CN112681327A - Dust suppression system and dust suppression method for foundation pit - Google Patents
Dust suppression system and dust suppression method for foundation pit Download PDFInfo
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- CN112681327A CN112681327A CN202011479346.6A CN202011479346A CN112681327A CN 112681327 A CN112681327 A CN 112681327A CN 202011479346 A CN202011479346 A CN 202011479346A CN 112681327 A CN112681327 A CN 112681327A
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Abstract
The invention relates to a dust suppression system and a dust suppression method of a foundation pit, wherein a transportation ramp leading to the ground is formed in the foundation pit, and the dust suppression system comprises: the door frames are erected on the transportation ramp at intervals and are in an inverted U shape; the drawknot is connected with a plurality of fixed ropes between the side wall of the foundation pit and a plurality of door frames, and the fixed ropes are arranged at the opening of the foundation pit and are staggered to form a net shape; and the surface layer covers the opening of the foundation pit and the transportation ramp and is bound and fixed on the fixed rope, so that the dust generated by construction is prevented from diffusing out of the foundation pit. The invention effectively solves the problem of difficult dust suppression in the foundation pit construction process, and the surface layer is formed by construction at the top of the foundation pit to cover the foundation pit, so that dust in the foundation pit is prevented from flying outwards, and the purpose of dust suppression is realized.
Description
Technical Field
The invention relates to the field of building construction, in particular to a dust suppression system and a dust suppression method for a foundation pit.
Background
The environmental protection and pollution control become the most popular terms at present, especially in the field of building construction, pollution and haze control become the most concerned topic at present, and how to ensure that the project can control the dust emission to the maximum extent and meet the requirements of environmental protection and pollution control is a problem of continuous research in the project construction.
The existing dust suppression measures are that spraying equipment is usually arranged around a construction area to spray, so that the purpose of dust suppression is achieved, but the method is not suitable for the construction working condition of a super-large and super-deep foundation pit, and due to the fact that the construction range is large, the spraying equipment is difficult to cover the whole construction area, the dust suppression effect is poor, and the construction requirement of green and environment protection is difficult to achieve.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a dust suppression system of a foundation pit and a dust suppression method thereof, solves the problem of difficult dust suppression in the construction process of the foundation pit, forms a surface layer by constructing at the top of the foundation pit, and covers the foundation pit by a cover, thereby preventing dust in the foundation pit from flying outwards and achieving the purpose of dust suppression.
The technical scheme for realizing the purpose is as follows:
the invention provides a dust suppression system of a foundation pit, wherein a transportation ramp leading to the ground is formed in the foundation pit, and the dust suppression system comprises:
the door frames are erected on the transportation ramp at intervals and are in an inverted U shape;
the drawknot is connected with a plurality of fixed ropes between the side wall of the foundation pit and a plurality of door frames, and the fixed ropes are arranged at the opening of the foundation pit and are staggered to form a net shape; and
cover the opening and the transportation ramp of foundation ditch and the tie is fixed in the surface course of fixed rope to prevent the raise dust of construction production from outwards diffusing to the foundation ditch.
The invention provides a dust suppression system of a foundation pit, which is characterized in that a fixing rope is connected between a door frame and a side wall, and a surface layer is further fixed on the fixing rope, so that the surface layer covers an opening and a transportation ramp of the foundation pit, and raised dust generated in the construction of the foundation pit can be prevented from diffusing outwards from the opening of the foundation pit or the top of the transportation ramp, so that the purpose of suppressing dust is effectively realized, the problem of difficulty in suppressing dust in the construction process of the foundation pit is solved, the surface layer is formed by constructing the top of the foundation pit, and the foundation pit is covered by the cover, so that the dust in the foundation pit is prevented from flying outwards, the purpose of suppressing dust is realized, the dust suppression effect is good, and the effect.
The dust suppression system of the foundation pit is further improved in that the dust suppression system further comprises a plurality of spray heads which are fixedly arranged on the fixed rope and positioned below the surface layer, the spray heads are communicated with a water supply pipe, and water is sprayed to the lower part of the surface layer through the spray heads so as to settle raised dust in the foundation pit.
The dust suppression system for the foundation pit is further improved in that the dust suppression system further comprises an environment monitor installed in the foundation pit, the environment monitor is in control connection with the plurality of spray heads, and the environment monitor detects that the raised dust index in the foundation pit exceeds a set threshold value so as to trigger the spray heads to spray water, so that dust is reduced in the foundation pit.
The dust suppression system of the foundation pit is further improved in that the surface layer comprises a dust screen, a safety flat screen and PVC mesh cloth which are sequentially arranged from bottom to top.
The dust suppression system of the foundation pit is further improved in that a trestle is constructed between two opposite side walls at the opening of the foundation pit;
this press down dirt system still includes that one curb plate is fixed in the lateral wall of landing stage and another curb plate is to keeping away from the L shape piece of the direction extension of landing stage and installing in the euphroe of the outside curb plate that extends of L shape piece, and the tip that this fixed rope corresponds is fixed in the euphroe, through the handle that rotates the euphroe to tighten up fixed rope.
The dust suppression system of the foundation pit is further improved in that an inclined strut is connected between the two side plates of the L-shaped part.
The dust suppression system of the foundation pit is further improved in that the dust suppression system of the foundation pit further comprises a plurality of fixing rings fixedly arranged on the side wall of the foundation pit at intervals, and the fixing rings are fixedly connected with the fixing ropes through the fixing ropes, so that the fixing ropes are fixed on the side wall of the foundation pit.
The dust suppression system of the foundation pit is further improved in that the door frame comprises two upright posts which are oppositely arranged and vertically fixed on the side part of the transportation ramp and a cross beam which is detachably connected between the two upright posts, and fixing ropes are connected between every two adjacent cross beams and between the side wall of the foundation pit and the corresponding cross beam.
The dust suppression system of the foundation pit is further improved in that the cross beam is fixedly connected with the upright post through bolts.
The invention provides a dust suppression method of a dust suppression system of a foundation pit, which comprises the following steps:
providing a door frame, and erecting the door frame on a transportation ramp at intervals;
providing fixing ropes, and connecting a plurality of fixing ropes between the side wall of the foundation pit and a plurality of door frames in a pulling manner so as to form a net shape at the opening of the foundation pit in a staggered manner;
the surface layer is provided, and the surface layer is bound and connected with the fixed ropes and covers the opening and the transportation ramp of the foundation pit, so that the raised dust in the foundation pit is prevented from diffusing outwards.
Drawings
FIG. 1 is a top view of a foundation pit covered with a dust suppression system facing of the present invention.
Figure 2 is a top view of the dust suppression system of the foundation pit of the present invention without the facing layer.
Fig. 3 is an enlarged schematic view of an L-shaped member in the dust suppression system of the foundation pit of the present invention.
Fig. 4 is a side view of a transport ramp in the dust suppression system of the foundation pit of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a dust suppression system of a foundation pit and a dust suppression method thereof, wherein a fixing rope is connected between a door frame and a side wall, and a surface layer is fixed on the fixing rope, so that the surface layer covers an opening of the foundation pit and a transportation ramp, thereby preventing dust generated by construction in the foundation pit from diffusing outwards from the opening of the foundation pit or the top of the transportation ramp, effectively achieving the purpose of suppressing dust, solving the problem of difficult dust suppression in the construction process of the foundation pit, forming the surface layer by construction on the top of the foundation pit, covering the foundation pit with a cover, preventing dust in the foundation pit from flying outwards, achieving the purpose of suppressing dust, and achieving good dust suppression effect and achieving the effect of green and environment protection. The dust suppression system of the foundation pit of the invention is explained below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a top view of a foundation pit covered with a dust suppression system covering according to the present invention. The dust suppression system of the foundation pit of the present invention will be described with reference to fig. 1.
As shown in fig. 1 and 2, the dust suppression system for foundation pit of the present invention, in which a transportation ramp 212 to the ground is constructed in the foundation pit 21, includes:
a plurality of inverted U-shaped door frames 11 which are arranged on the transportation ramp 212 at intervals;
the drawknot is connected with the plurality of fixing ropes 12 between the side wall of the foundation pit 21 and the plurality of door frames 11, and the plurality of fixing ropes 12 are arranged at the opening of the foundation pit 21 and are staggered to form a net shape; and
the surface layer 13 covers the opening of the foundation pit 21 and the transportation ramp 212 and is bound and fixed to the fixing rope 12 to prevent the dust generated by construction from diffusing out of the foundation pit 21.
Specifically, still include that the interval sets firmly a plurality of solid fixed rings in the lateral wall of foundation ditch 21, through fixed rope 12 and solid fixed ring fixed connection to make fixed rope 12 be fixed in the lateral wall of foundation ditch 21.
Preferably, the side wall of the foundation pit 21 near the opening is poured to form a crown beam, and the fixing ring is partially embedded in the crown beam.
Preferably, the surface layer 13 includes a dust screen, a safety flat screen and a PVC mesh cloth sequentially arranged from bottom to top.
As a preferred embodiment of the present invention, the present invention further comprises a plurality of spray heads fixedly disposed on the fixing rope 12 and located below the surface layer 13, wherein the plurality of spray heads are all communicated with the water supply pipe, and spray water to the lower side of the surface layer 13 through the spray heads to settle the dust in the foundation pit 21.
Specifically, still including installing the environmental monitoring appearance in foundation ditch 21, this environmental monitoring appearance and a plurality of shower head control connection detect the raise dust index in foundation ditch 21 through the environmental monitoring appearance and exceed and set for the threshold value to trigger the shower head and spray water, thereby carry out the dust fall in to foundation ditch 21.
Further, as shown in fig. 3, a trestle 211 is formed between two opposite side walls at the opening of the foundation pit 21;
the dust suppression system further comprises an L-shaped piece 14 and a rope tightening device, wherein one side plate is fixed on the side wall of the trestle 211, the other side plate extends towards the direction far away from the trestle 211, the rope tightening device is installed on the side plate, extending outwards, of the L-shaped piece 14, the end portion, corresponding to the fixed rope 12, of the rope tightening device is fixed on the rope tightening device, and the fixed rope 12 is tightened through rotating a handle of the rope tightening device.
Specifically, a diagonal brace 141 is connected between the two side plates of the L-shaped member 14.
Further, as shown in fig. 4, the door frame 11 includes two upright posts which are oppositely disposed and vertically fixed on the side of the transportation ramp 212, and a cross beam detachably connected between the two upright posts, and the fixing ropes 12 are connected between two adjacent cross beams and between the side wall of the foundation pit 21 and the corresponding cross beam.
Specifically, the beam and the upright post are fixedly connected through a flange plate and a bolt, and the connection mode can realize repeated recycling.
The specific implementation method of the invention is as follows:
constructing a top beam on the side wall of the foundation pit 21 close to the opening, pre-burying a fixing ring in the top beam, after the top beam is formed, partially exposing the fixing ring out of the side part of the top beam, constructing and forming a transportation ramp 212 in the foundation pit 21, constructing a plurality of door frames 11 at intervals along the transportation ramp 212, and fixing a plurality of fixing rings on the door frames 11;
a trestle 211 is formed between two opposite side walls of the foundation pit 21, L-shaped pieces 14 are fixed on two sides of the trestle 211, one side plate of each L-shaped piece 14 is fixedly connected with the side wall of the trestle 211, the other side plate extends in the direction far away from the trestle 211, and a rope tightener is fixed on the side plate extending outwards of each L-shaped piece 14;
a fixing rope 12 is connected between the fixing ring and the rope tightener, the fixing rope 12 is tightened by rotating a handle of the rope tightener, and the fixing rope 12 is connected between the side wall of the foundation pit 21 and the door frame 11 and between the side wall of the foundation pit 21 and the adjacent door frames 11, so that the fixing ropes 12 are staggered at the opening of the foundation pit 21 to form a net shape;
paving a surface layer 13 at the opening of the foundation pit 21, and fixedly connecting the surface layer 13 with the fixing ropes 12 so as to cover the opening of the foundation pit 21 and the transportation ramp 212;
a plurality of spray heads are fixed on the fixed rope 12 and positioned below the surface layer 13, the spray heads are communicated with a water supply pipe, an environment monitor is arranged below the surface layer, and when the environment monitor monitors that the dust value in the foundation pit 21 exceeds a set threshold value, the spray heads are triggered to spray water into the foundation pit 21 so as to enable the dust in the foundation pit 21 to be settled;
this kind of presses down dirt system not only can prevent that the raise dust from the opening of foundation ditch 21 outwards spilling over, can also control the raise dust of foundation ditch 21 inside to reach the purpose of green construction.
The invention also provides a dust suppression method of the dust suppression system of the foundation pit, which comprises the following steps:
providing a door frame 11, and erecting the door frame 11 on a transportation ramp 212 at intervals;
providing fixing ropes 12, and connecting a plurality of fixing ropes 12 between the side wall of the foundation pit 21 and the door frames 11 in a pulling manner so as to form a net shape at the opening of the foundation pit 21 in a staggered manner;
a surface layer 13 is provided, the surface layer 13 is bound and connected with the fixing ropes 12 and covers the opening of the foundation pit 21 and the transportation ramp 212, so that the dust in the foundation pit 21 is prevented from diffusing outwards.
The specific operation mode of the practical implementation of the dust suppression method provided by the invention is as follows:
constructing the side wall of the foundation pit 21 close to the opening to form a crown beam, pre-burying a fixing ring in the crown beam, and exposing the fixing ring part out of the side part of the crown beam after the crown beam is formed;
constructing and forming a transportation ramp 212 in the foundation pit 21, constructing a plurality of door frames 11 at intervals along the transportation ramp 212, and fixing a plurality of fixing rings on the door frames 11;
a trestle 211 is formed between two opposite side walls of the foundation pit 21, L-shaped pieces 14 are fixed on two sides of the trestle 211, one side plate of each L-shaped piece 14 is fixedly connected with the side wall of the trestle 211, the other side plate extends in the direction far away from the trestle 211, and a rope tightener is fixed on the side plate extending outwards of each L-shaped piece 14;
a fixing rope 12 is connected between the side wall of the foundation pit 21 and the rope tightener, the fixing rope 12 is tightened by rotating a handle of the rope tightener, and the fixing rope 12 is connected between the side wall of the foundation pit 21 and the door frame 11 and the adjacent door frame 11, so that the fixing ropes 12 are staggered at the opening of the foundation pit 21 to form a net shape;
paving a surface layer 13 at the opening of the foundation pit 21, and fixedly connecting the surface layer 13 with the fixing ropes 12 so as to cover the opening of the foundation pit 21 and the transportation ramp 212;
fixed a plurality of shower heads and shower head are located the below of surface course 13 on fixed rope 12, are linked together shower head and delivery pipe to set up the environment monitor below the surface course, when the environment monitor monitored the raise dust value in the foundation ditch 21 and exceeded the settlement threshold value, trigger the shower head and spray water in to foundation ditch 21, so that the raise dust in the foundation ditch 21 subsides.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A dust suppression system for a foundation pit, the construction being formed with a transport ramp to the ground within the foundation pit, the dust suppression system comprising:
the door frames are erected on the transportation ramp at intervals and are in an inverted U shape;
the plurality of fixing ropes are connected between the side wall of the foundation pit and the plurality of door frames through the drawknots, and the plurality of fixing ropes are arranged at the opening of the foundation pit and are staggered to form a net shape; and
and the surface layer covers the opening of the foundation pit and the transportation ramp and is bound and fixed on the fixed rope to prevent the dust generated by construction from diffusing out of the foundation pit.
2. The dust suppression system for foundation pit according to claim 1, further comprising a plurality of spray heads fixed to the fixing rope and located below the surface layer, wherein the plurality of spray heads are connected to a water supply pipe, and water is sprayed through the spray heads to the lower side of the surface layer to settle the dust in the foundation pit.
3. A dust suppression system for foundation pit as claimed in claim 2, further comprising an environmental monitor installed in the foundation pit, wherein the environmental monitor is in control connection with the plurality of spray heads, and the environmental monitor monitors that the raise dust index in the foundation pit exceeds a set threshold value to trigger the spray heads to spray water, so as to reduce dust in the foundation pit.
4. The dust suppression system of foundation pit according to claim 1, wherein the surface layer comprises a dust screen, a safety flat screen and a PVC mesh cloth arranged from bottom to top in sequence.
5. A dust suppression system for a foundation pit according to claim 1, wherein a trestle is constructed between two opposite side walls at the opening of the foundation pit;
but dust suppression system still includes that a curb plate is fixed in the lateral wall of landing stage and opposite side board are to keeping away from the L shape piece that the direction of landing stage extends and install in the euphroe of the outside curb plate that extends of L shape piece, the tip that fixed rope corresponds is fixed in the euphroe is through rotating the handle of euphroe, in order to tighten up fixed rope.
6. A dust suppression system for a foundation pit as claimed in claim 5, wherein a brace is connected between the two side plates of the L-shaped member.
7. The dust suppression system for foundation pit according to claim 1, further comprising a plurality of fixing rings fixed at intervals to the side wall of the foundation pit, wherein the fixing rings are fixedly connected with the fixing ropes through the fixing ropes, so that the fixing ropes are fixed to the side wall of the foundation pit.
8. A dust suppression system for a foundation pit according to claim 1, wherein the door frame includes two columns oppositely disposed and vertically fixed to the sides of the transportation ramp and a beam detachably connected between the two columns, and the fixing rope is connected between two adjacent beams and between the side wall of the foundation pit and the corresponding beam.
9. A dust suppression system for foundation pit according to claim 1, wherein the cross member is fixedly connected to the column by bolts.
10. A method of suppressing dust of a dust suppression system of a foundation pit according to claim 1, comprising the steps of:
providing the door frame, and erecting the door frame at intervals on the transportation ramp;
providing the fixing ropes, connecting a plurality of fixing ropes between the side wall of the foundation pit and the door frames by virtue of drawknots, and enabling the fixing ropes to be staggered at the opening of the foundation pit to form a net shape;
and providing the surface layer, binding and connecting the surface layer and the fixed ropes and covering the opening of the foundation pit and the transportation ramp, so that the dust in the foundation pit is prevented from diffusing outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011479346.6A CN112681327A (en) | 2020-12-15 | 2020-12-15 | Dust suppression system and dust suppression method for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011479346.6A CN112681327A (en) | 2020-12-15 | 2020-12-15 | Dust suppression system and dust suppression method for foundation pit |
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| Publication Number | Publication Date |
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| CN112681327A true CN112681327A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011479346.6A Pending CN112681327A (en) | 2020-12-15 | 2020-12-15 | Dust suppression system and dust suppression method for foundation pit |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120001878U (en) * | 2010-09-03 | 2012-03-13 | (주) 협동세이프티 | Tensioning device of dust net and safety net |
| CN207775894U (en) * | 2017-11-02 | 2018-08-28 | 中国建筑第八工程局有限公司 | It can turnover type foundation pit dustproof network structure |
| CN110004864A (en) * | 2019-04-10 | 2019-07-12 | 中建二局第一建筑工程有限公司 | A kind of foundation pit dust pelletizing system |
| CN209585718U (en) * | 2019-02-18 | 2019-11-05 | 中建铁路投资建设集团有限公司 | A kind of multi-functional foundation pit protection canopy |
| CN210032691U (en) * | 2019-03-14 | 2020-02-07 | 中建二局第一建筑工程有限公司 | Dustproof structure for construction site |
| CN111021756A (en) * | 2019-11-04 | 2020-04-17 | 武建明 | Three-dimensional dust keeper |
-
2020
- 2020-12-15 CN CN202011479346.6A patent/CN112681327A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120001878U (en) * | 2010-09-03 | 2012-03-13 | (주) 협동세이프티 | Tensioning device of dust net and safety net |
| CN207775894U (en) * | 2017-11-02 | 2018-08-28 | 中国建筑第八工程局有限公司 | It can turnover type foundation pit dustproof network structure |
| CN209585718U (en) * | 2019-02-18 | 2019-11-05 | 中建铁路投资建设集团有限公司 | A kind of multi-functional foundation pit protection canopy |
| CN210032691U (en) * | 2019-03-14 | 2020-02-07 | 中建二局第一建筑工程有限公司 | Dustproof structure for construction site |
| CN110004864A (en) * | 2019-04-10 | 2019-07-12 | 中建二局第一建筑工程有限公司 | A kind of foundation pit dust pelletizing system |
| CN111021756A (en) * | 2019-11-04 | 2020-04-17 | 武建明 | Three-dimensional dust keeper |
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Application publication date: 20210420 |