CN205403046U - Ventilation system to reverse construction method underground construction - Google Patents
Ventilation system to reverse construction method underground construction Download PDFInfo
- Publication number
- CN205403046U CN205403046U CN201620191127.0U CN201620191127U CN205403046U CN 205403046 U CN205403046 U CN 205403046U CN 201620191127 U CN201620191127 U CN 201620191127U CN 205403046 U CN205403046 U CN 205403046U
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- ventilation shaft
- ventilation
- ventilating system
- underground construction
- vent passages
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Abstract
The utility model discloses a ventilation system to reverse construction method underground construction, two ventilation passageways that set up including the interval, every the ventilation passageway includes that it from top to bottom stretches into the inside air pipe of foundation ditch, locates to follow ground fan on the air pipe, with rotation control ware that the fan is connected, locate the infrared inductor of air pipe below, infrared inductor and rotation control ware all are connected to a data processor. The utility model discloses a set up two ventilation passageways and air exhaust respectively and supply air, form good circulation of air circulation path, through setting up an air pipe and infrared inductor, the current construction region of real time sensor obtains the distance between current construction region and two the ventilation passageways through data processor to through the working method of every ventilation passageway of rotation control ware control, the ventilation return circuit is stable, need not artifical manual regulation, fast, the real -time good, the effect is reliable.
Description
Technical field
This utility model relates to hypogee technical field of construction, is specifically related to a kind of ventilating system for contrary sequence method underground construction.
Background technology
Hypogee structure is successively construct from bottom to top in the suitable practice of tradition, and is successively construct from top to bottom in contrary sequence method, and this is contrary sequence method and the main distinction along the practice.Sometimes can carry out the construction of superstructure while Underground Construction, be called and synchronize reverse construction up and down, adopt the method greatly to save the construction period.
Due to when reverse construction, the first structural beam slab of construction upper strata basement, then the digging of next layer of basement is carried out again, therefore substantial amounts of shoveling and Underground Construction work all close to totally-enclosed operation, for ensureing the life security of workmen and being smoothed out of construction operation, work progress to discharge airborne dust and waste gas in time that produce with mechanical execution because cutting the earth, supplements fresh air simultaneously.Therefore, ventilating system is the important component part of reverse construction.
Existing underground ventilation is blown to underground construction operating surface mainly through powerful vortex fan, adopts axial flow blower air draft earthward from underground, to form air circulation cycle simultaneously.This ventilating system is generally directed to the construction overall situation and carries out, and the region air draft therefore easily causing hot work in progress operation is undesirable, is then in, away from hot work in progress region, the state not stopping air draft elsewhere, forms the phenomenon that highly energy-consuming is inefficient；Simultaneously because the variation of construction area needs constantly to regulate air-supply and exhaust apparatus, current ventilating system is adjusted mainly through manual, regulate trouble, many, cost of labor height, poor in timeliness consuming time, therefore can cause that the smoke exhaust in Underground Space Environment forms turbulent flow, have little time timely discharge, make troubles to construction, greatly reduce the performance of ventilating of underground ventilation, fail to meet well the needs of practical application.
Utility model content
This utility model provides a kind of ventilating system for contrary sequence method underground construction, to solve the problem regulating trouble, many, cost of labor height consuming time and poor in timeliness existed in prior art.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of ventilating system for contrary sequence method underground construction, including spaced two vent passages, pivoting controller that the blower fan that each described vent passages includes from top to bottom stretching into the first ventilation shaft within foundation ditch from ground, be located at described first ventilation shaft is connected with described blower fan, being located at the infrared inductor below described first ventilation shaft, described infrared inductor and pivoting controller are connected to a data processor.
Further, each described vent passages also includes the second ventilation shaft that described first ventilation shaft connects, and described second ventilation shaft is horizontally disposed, and away from outside one end of described first ventilation shaft stretches out foundation ditch.
Further, the plastic flexible pipe that the second ventilation shaft adopts diameter to be 300mm is made, and is provided with finer wire in described plastic flexible pipe.
Further, described second ventilation shaft is provided with switch baffle plate.
Further, the top of described first ventilation shaft is additionally provided with rider hood.
Further, the galvanized iron sheet airduct that the first ventilation shaft adopts diameter to be 800mm.
Further, described blower fan adopts diameter to be the axial flow blower of 800mm.
Further, described data processor adopts single-chip microcomputer.
This utility model also provides for a kind of method of ventilation according to the above-mentioned ventilating system for contrary sequence method underground construction, comprises the following steps:
S1: each building block of two vent passages is installed according to the size of foundation ditch；
Infrared inductor in S2: two vent passages senses current construction area in real time, and sends the sensed data obtained to data processor；
S3: the sensed data received is processed by data processor, obtains current construction area distance respectively and between two vent passages in real time；
S4: data processor outputs control signals to two pivoting controllers corresponding to vent passages, controls the rotation direction of corresponding blower fan in real time；
S5: after last layer Underground Construction is complete, extends the first ventilation shaft to space corresponding to next layer of underground structure, and repeats step S2-S4, until it is complete to construct.
Further, described step S4 is particularly as follows: described data processor is by control signal output to distance current construction area pivoting controller near vent passages in two described vent passages, control corresponding blower fan to blow downwards, simultaneously by control signal output to distance current construction area pivoting controller in remote vent passages in two described vent passages, control corresponding blower fan upwards air draft.
The ventilating system for contrary sequence method underground construction that this utility model provides, arranges two vent passages by interval and carries out air draft and air-supply respectively, form good air circulation cycle path, it is achieved the available ventilation of Underground Space Environment；By arranging the first ventilation shaft in each vent passages, and infrared inductor is thereunder set, sense current construction area in real time, the distance between current construction area and two vent passages is obtained by data processor, and blown by the blower fan in the nearer vent passages of pivoting controller command range, the distant blower fan in vent passages carries out air draft, ensure that current construction area constantly has fresh air to enter, the airborne dust concurrently formed and waste gas can be quickly discharged, ventilation circuit is stable, without regulating manually, speed is fast, real-time is good, reliable for effect, reduce the energy consumption of blower fan work, environmental protection.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation for the ventilating system of contrary sequence method underground construction.
Shown in figure: 100, vent passages；1, the first ventilation shaft；2, blower fan；3, pivoting controller；4, infrared inductor；5, data processor；6, the second ventilation shaft；61, switch baffle plate；7, rider hood.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail:
As shown in Figure 1, this utility model provides a kind of ventilating system for contrary sequence method underground construction, including spaced two vent passages 100, pivoting controller 3 that the blower fan 2 that each described vent passages 100 includes from top to bottom stretching into the first ventilation shaft 1 within foundation ditch from ground, be located at described first ventilation shaft 1 is connected with described blower fan 2, being located at the infrared inductor 4 below described first ventilation shaft 1, described infrared inductor 4 and pivoting controller 3 are connected to a data processor 5.nullConcrete，Two vent passages 100 are arranged along the length direction interval of foundation ditch，To improve utilization rate and the ventilation effect of blower fan 2，And infrared sensor 4 and the pivoting controller 3 in two wind passages 100 is electrically connected to same data processor 5，During work，Infrared inductor 4 in two vent passages 100 senses current construction area in real time，And the sensed data obtained is sent to data processor 5，The sensed data received is processed by data processor 5，Obtain the distance between current construction area and two vent passages 100 in real time，And output control signals to the pivoting controller 3 of these two vent passages 100 correspondences，Control the rotation direction of corresponding blower fan 2 in real time，Concrete，Blower fan 2 in the vent passages 100 of the current construction area close together of command range is blown downwards，Pivoting controller 3 in the vent passages 100 that the current construction area of command range is distant simultaneously，Control corresponding blower fan 2 upwards air draft，To ensure that current construction area constantly has fresh air to enter，The airborne dust concurrently formed and waste gas can be quickly discharged，Ventilation circuit is stable，Without regulating manually、Speed is fast、Real-time is good、Reliable for effect，Reduce the energy consumption of blower fan work，Environmental protection.
Continue referring to Fig. 1, each described vent passages 100 also includes the second ventilation shaft 6 that described first ventilation shaft 1 connects, described second ventilation shaft 6 is horizontally disposed, and away from outside one end of described first ventilation shaft 1 stretches out foundation ditch, the first ventilation shaft 1 is coordinated to be aerated, preferably, described second ventilation shaft 6 is provided with switch baffle plate 61, concrete, this switch baffle plate 61 is located at distance the first ventilation shaft 1 about 0.5m place, open the second ventilation shaft 6 as required or close the second ventilation shaft 6, to improve drafting efficiency further.
Preferably, the top of described first ventilation shaft 1 is additionally provided with rider hood 7, concrete, the first ventilation shaft 1 top of rider hood 7 side of resting on the ground, it is possible to stop that rainwater and big object enter vent passages 100 and it causes obstruction affect ventilation effect.
Preferably, the galvanized iron sheet airduct that the first ventilation shaft 1 adopts diameter to be 800mm.
Preferably, the plastic flexible pipe that the second ventilation shaft 6 adopts diameter to be 300mm is made, and is provided with finer wire in described plastic flexible pipe.
Preferably, the axial flow blower that described blower fan 2 adopts diameter to be 800mm, power is big, and efficiency is high.
Preferably, described data processor 5 adopts single-chip microcomputer, the real-time sensed data of infrared inductor 4 is processed the distance obtained between current construction area and two vent passages 100 by this single-chip microcomputer, and send air blowing control signal to the pivoting controller 3 in the vent passages 100 apart from current construction area close together, control corresponding blower fan 2 to blow downwards, send air draft control signal to the pivoting controller 3 in the vent passages 100 distant apart from current construction area simultaneously, control corresponding blower fan 2 upwards air draft, change according to current construction area can adjust the working method of two vent passages 100 in real time, to realize best ventilation effect.
This utility model also provides for a kind of as mentioned above for the method for ventilation of the ventilating system of contrary sequence method underground construction, comprises the following steps:
S1: each building block of two vent passages 100 is installed according to the size of foundation ditch, concrete, first ventilation shaft 1 from top to bottom stretches in described foundation ditch from ground, and lower section extends in the current underground space layer constructed, in the relevant position of the first ventilation shaft 1, rider hood 7, blower fan 2, pivoting controller 3 and infrared inductor 4 are installed successively.
Infrared inductor 4 in S2: two vent passages 100 senses current construction area in real time, and the sensed data obtained is sent to data processor 5, concrete, infrared inductor 4 senses the positional information of workmen or construction machinery, and the sensed data transmission including positional information obtained is processed to data processor 5.
S3: the sensed data received is processed by data processor 5, obtain current construction area distance respectively and between two vent passages 100 in real time, concrete, data processor 5 is single-chip microcomputer, and the real-time sensed data of infrared inductor 4 is processed the distance obtained between current construction area and two vent passages 100 by it.
S4: data processor 5 outputs control signals to the pivoting controller 3 of two vent passages 100 correspondences, controls the rotation direction of corresponding blower fan 2 in real time；Concrete, data processor 5 sends air blowing control signal to the pivoting controller 3 in the vent passages 100 apart from current construction area close together, control corresponding blower fan 2 to blow downwards, send air draft control signal to the pivoting controller 3 in the vent passages 100 distant apart from current construction area simultaneously, control corresponding blower fan 2 upwards air draft, change according to current construction area can adjust the working method of two vent passages 100 in real time, to realize best ventilation effect.
S5: after last layer Underground Construction is complete, extend the first ventilation shaft 1 to space corresponding to next layer of underground structure, and repeat step S2-S4, until it is complete to construct, in the present embodiment, it is additionally included on the first vent passages 1 of prolongation to arrange the second ventilation shaft 6 and carries out secondary ventilation.
In sum, the ventilating system for contrary sequence method underground construction that this utility model provides, two vent passages 100 are set by interval and carry out air draft and air-supply respectively, form good air circulation cycle path, it is achieved the available ventilation of Underground Space Environment；By arranging the first ventilation shaft 1 in each vent passages 100, and infrared inductor 4 is thereunder set, sense current construction area in real time, the distance between current construction area and two vent passages 100 is obtained by data processor 5, and blown by the blower fan 2 in the nearer vent passages 100 of pivoting controller 3 command range, blower fan 2 in distant vent passages 100 carries out air draft, ensure that current construction area constantly has fresh air to enter, the airborne dust concurrently formed and waste gas can be quickly discharged, ventilation circuit is stable, without regulating manually, speed is fast, real-time is good, reliable for effect, reduce the energy consumption of blower fan work, environmental protection.
Although embodiment of the present utility model being illustrated in description, but these embodiments are intended only as prompting, should not limit protection domain of the present utility model.In the scope without departing from this utility model objective, carry out various omission, displacement and change should be included in protection domain of the present utility model.
Claims (8)
1. the ventilating system for contrary sequence method underground construction, it is characterized in that, including spaced two vent passages, pivoting controller that the blower fan that each described vent passages includes from top to bottom stretching into the first ventilation shaft within foundation ditch from ground, be located at described first ventilation shaft is connected with described blower fan, being located at the infrared inductor below described first ventilation shaft, described infrared inductor and pivoting controller are connected to a data processor.
2. the ventilating system for contrary sequence method underground construction according to claim 1, it is characterized in that, each described vent passages also includes the second ventilation shaft being connected with described first ventilation shaft, described second ventilation shaft is horizontally disposed, and away from outside one end of described first ventilation shaft stretches out foundation ditch.
3. the ventilating system for contrary sequence method underground construction according to claim 2, it is characterised in that described second ventilation shaft is provided with switch baffle plate.
4. the ventilating system for contrary sequence method underground construction according to claim 2, it is characterised in that the plastic flexible pipe that the second ventilation shaft adopts diameter to be 300mm is made, and is provided with finer wire in described plastic flexible pipe.
5. the ventilating system for contrary sequence method underground construction according to claim 1, it is characterised in that the top of described first ventilation shaft is additionally provided with rider hood.
6. the ventilating system for contrary sequence method underground construction according to claim 1, it is characterised in that the galvanized iron sheet airduct that the first ventilation shaft adopts diameter to be 800mm.
7. the ventilating system for contrary sequence method underground construction according to claim 1, it is characterised in that described blower fan adopts diameter to be the axial flow blower of 800mm.
8. the ventilating system for contrary sequence method underground construction according to claim 1, it is characterised in that described data processor adopts single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191127.0U CN205403046U (en) | 2016-03-11 | 2016-03-11 | Ventilation system to reverse construction method underground construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191127.0U CN205403046U (en) | 2016-03-11 | 2016-03-11 | Ventilation system to reverse construction method underground construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205403046U true CN205403046U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620191127.0U Expired - Fee Related CN205403046U (en) | 2016-03-11 | 2016-03-11 | Ventilation system to reverse construction method underground construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627490A (en) * | 2016-03-11 | 2016-06-01 | 上海建工二建集团有限公司 | Ventilation system aiming at top-down method underground construction and ventilation method of ventilation system |
| CN107486941A (en) * | 2017-08-31 | 2017-12-19 | 中交第四航务工程局有限公司 | Supply air system and application method in a kind of steel reinforcement cage |
-
2016
- 2016-03-11 CN CN201620191127.0U patent/CN205403046U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627490A (en) * | 2016-03-11 | 2016-06-01 | 上海建工二建集团有限公司 | Ventilation system aiming at top-down method underground construction and ventilation method of ventilation system |
| CN105627490B (en) * | 2016-03-11 | 2019-05-28 | 上海建工二建集团有限公司 | A kind of ventilating system and its method of ventilation for contrary sequence method underground construction |
| CN107486941A (en) * | 2017-08-31 | 2017-12-19 | 中交第四航务工程局有限公司 | Supply air system and application method in a kind of steel reinforcement cage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20200311 |