CN113694629A - Dust absorption wall and filter screen for building demolition construction site - Google Patents
Dust absorption wall and filter screen for building demolition construction site Download PDFInfo
- Publication number
- CN113694629A CN113694629A CN202110939008.4A CN202110939008A CN113694629A CN 113694629 A CN113694629 A CN 113694629A CN 202110939008 A CN202110939008 A CN 202110939008A CN 113694629 A CN113694629 A CN 113694629A
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- Prior art keywords
- fan
- filter screen
- dust
- fans
- dust absorption
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- 239000000428 dust Substances 0.000 title claims abstract description 48
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
- B01D46/0045—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding by using vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a dust absorption wall and a filter screen thereof for a building demolition construction site. The wall body of the fan can generate strong negative pressure to absorb dust into the dust absorption wall, and the filter screen in the dust absorption wall can play a role in collecting and filtering dust. The filter screen sequentially comprises a reinforcing mesh, a steel wire mesh and filter cloth from front to back; the reinforcing bar net can prevent that the big stone that splashes from pounding bad fan, and the wire net can play the effect of elastic buffer, not only can block little stone, can also prevent that little stone from directly striking the filter cloth to the effect of protection filter cloth and fan has been played. The filter cloth can block fine dust (such as PM 2.5). Therefore, the air exhausted from the rear end of the dust absorption wall can meet the emission requirement, and the dust is prevented from influencing the surrounding environment and the health of people.
Description
Technical Field
The invention belongs to the technical field of urban building demolition dust removal, and particularly relates to a dust absorption wall and a filter screen thereof for a building demolition construction site.
Background
With the development of urban construction, the demolition of waste and old buildings is increasingly common, and the harm of dust is more and more concerned by the whole society. The dust generated by the demolition of urban buildings is fast, has strong burstiness, fine particles, long suspension time under outdoor conditions, large pollution range and difficult control.
The dust concentration in the atmosphere environment is specifically limited by the current standards of GBZ1-2010 industrial enterprise design sanitation standard, industrial three wastes discharge trial standard and atmospheric environmental quality standard in China, and the dust concentration in the air of a demolition construction site is far beyond the standards. GB/T50905-2014 green construction specifications of constructional engineering are promulgated by the national housing and urban and rural construction department in the early 2014, and the standards clearly require that the demolition project should collect, filter and the like dust generated by demolition.
The method has the advantages of researching dust characteristics and filtering technology, solving the problem of dust removal in cities, and having profound value and practical significance for protecting the health and environment of people.
Disclosure of Invention
The invention aims to provide a dust absorption wall and a filter screen thereof for a building demolition construction site, which can solve the problem of dust generated in the process of demolishing a city building.
The invention is realized in such a way that the filter screen for the building demolition construction site sequentially comprises a steel bar mesh, a steel wire mesh and filter cloth from front to back; the diameter of meshes on the reinforcing mesh is 3-5 cm, and the diameter of meshes on the steel wire holes is 1-1.5 cm; the diameter of the meshes on the filter cloth is less than 2.5 micrometers.
Furthermore, gaps are reserved among the reinforcing mesh, the steel wire mesh and the filter cloth respectively; the dust-loading conveying belt is used for loading dust, and the driving mechanism is arranged under the filter screen and is in transmission connection with the conveying belt.
The invention also provides a dust absorption wall for a building demolition construction site, which comprises the filter screen and a plurality of fans, wherein the fans are stacked in the longitudinal and transverse directions to form a fan wall body, and two adjacent fans are assembled together through a detachable structure; the filter screen is installed on one side surface of the fan wall body close to the removed building.
Further, two adjacent fans are assembled together through bolts.
Furthermore, the filter screen is installed on one side surface of the fan wall body close to the removed building in a hanging and buckling mode.
Furthermore, the dust absorption wall also comprises a linkage controller, and the linkage controller is electrically connected with each fan; and the linkage controller is used for controlling the starting and the stopping of each fan and the power during working.
Furthermore, the dust absorption wall also comprises a fan phase regulator, wherein the fan phase regulator is respectively electrically connected with each fan, and the fan phase regulator enables the working power supply of each fan to form a phase difference so as to prevent the fan wall from forming resonance.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a dust absorption wall and a filter screen thereof for a building demolition construction site. The wall body of the fan can generate strong negative pressure to absorb dust into the dust absorption wall, and the filter screen in the dust absorption wall can play a role in collecting and filtering dust.
The filter screen sequentially comprises a reinforcing mesh, a steel wire mesh and filter cloth from front to back; the reinforcing bar net can prevent that the big stone that splashes from pounding bad fan, and the wire net can play the effect of elastic buffer, not only can block little stone, can also prevent that little stone from directly striking the filter cloth to the effect of protection filter cloth and fan has been played. The filter cloth can block fine dust (such as PM 2.5). Therefore, the air exhausted from the rear end of the dust absorption wall can meet the emission requirement, and the dust is prevented from influencing the surrounding environment and the health of people.
The fan wall body is formed by assembling a plurality of fans, and a single fan is small in size and convenient to transport and install.
Drawings
Fig. 1 is a schematic layout view of a dust absorption wall for a building demolition construction site according to an embodiment of the present invention;
FIG. 2 is a side view of the suction wall of FIG. 1;
FIG. 3 is a schematic front view of the fan in the suction wall of FIG. 1;
fig. 4 is a schematic longitudinal cross-sectional view of a screen in the suction wall of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, a dust absorption wall for a building demolition construction site according to a preferred embodiment of the present invention is shown, and includes a plurality of fans 1, the fans 1 are stacked in a longitudinal and transverse direction to form a fan wall, and two adjacent fans 1 are assembled together through a detachable structure. And a filter screen 2 is arranged on one side surface of the fan wall body close to the dismantled building 200.
Specifically, referring to fig. 4, the filter screen 2 sequentially includes a steel mesh a, a steel mesh b, and a filter cloth c from front to back. The diameter of meshes on the reinforcing mesh a is 3-5 cm, and the diameter of meshes on the steel wire holes b is 1-1.5 cm; the diameter of the meshes on the filter cloth c is less than 2.5 micrometers.
Gaps are reserved among the reinforcing mesh a, the steel wire mesh b and the filter cloth c respectively; be equipped with conveyer belt d and the actuating mechanism e that is used for carrying the dust under filter screen 2, actuating mechanism e with conveyer belt d transmission is connected. The conveyer belt d can uniformly collect the dust falling in each gap and then output the dust outwards.
Above-mentioned reinforcing bar net a can prevent that the big stone that splashes from pounding fan 1, and wire net b can play the effect of elastic buffer, not only can block little stone, can also prevent that little stone from directly striking filter cloth c to the effect of protection filter cloth c and fan 1 has been played. The filter cloth c can block fine dust (e.g., PM 2.5) from being filtered. The fan wall body of this embodiment can produce powerful negative pressure, with the dust suction in the dust absorption wall, filter screen 2 in the dust absorption wall can play the effect of collecting and filtering the dust. Therefore, the air exhausted from the rear end of the dust absorption wall can meet the emission requirement, and the dust is prevented from influencing the surrounding environment and the health of people.
Two adjacent fans 1 are assembled together through bolts 3.
The filter screen 2 is arranged on one side surface of the fan wall body close to the dismantled building 200 in a hanging and buckling mode.
The fan wall body is formed by assembling a plurality of fans 1, and a single fan 1 is small in size and convenient to transport and install.
Furthermore, in order to uniformly control all the fans 1, the dust absorption wall also comprises a linkage controller and a fan phase regulator, wherein the linkage controller is electrically connected with each fan; the linkage controller is used for controlling the starting and stopping of each fan 1 and the power during working.
The fan phase regulators are respectively electrically connected with the fans 1, and the fan phase regulators enable the working power supplies of the fans 1 to form phase differences so as to prevent the fan wall from forming resonance, thus being beneficial to prolonging the service life of products and reducing noise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The filter screen for the building demolition construction site is characterized by sequentially comprising a steel bar mesh, a steel wire mesh and filter cloth from front to back; the diameter of meshes on the reinforcing mesh is 3-5 cm, and the diameter of meshes on the steel wire holes is 1-1.5 cm; the diameter of the meshes on the filter cloth is less than 2.5 micrometers.
2. The filter screen of claim 1, wherein gaps are reserved among the steel bar mesh, the steel wire mesh and the filter cloth; the dust-loading conveying belt is used for loading dust, and the driving mechanism is arranged under the filter screen and is in transmission connection with the conveying belt.
3. A dust absorption wall for a building demolition construction site, which is characterized by comprising the filter screen as claimed in claim 1 or 2 and a plurality of fans, wherein the fans are stacked in the longitudinal and transverse directions to form a fan wall body, and two adjacent fans are assembled together through a detachable structure; the filter screen is installed on one side surface of the fan wall body close to the removed building.
4. A suction wall according to claim 3, wherein adjacent two fans are assembled together by bolts.
5. A suction wall according to claim 3, wherein the filter screen is mounted by means of a hook on a side of the fan wall adjacent to the building to be dismantled.
6. A suction wall according to any one of claims 3 to 5, further comprising a linkage controller electrically connected to each fan; and the linkage controller is used for controlling the starting and the stopping of each fan and the power during working.
7. The suction wall according to any one of claims 3 to 5, further comprising fan phase adjusters electrically connected to the respective fans, the fan phase adjusters causing a phase difference in operating power of the respective fans to prevent the fan wall from forming resonance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110939008.4A CN113694629A (en) | 2021-08-16 | 2021-08-16 | Dust absorption wall and filter screen for building demolition construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110939008.4A CN113694629A (en) | 2021-08-16 | 2021-08-16 | Dust absorption wall and filter screen for building demolition construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113694629A true CN113694629A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110939008.4A Pending CN113694629A (en) | 2021-08-16 | 2021-08-16 | Dust absorption wall and filter screen for building demolition construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113694629A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170193A (en) * | 2011-12-20 | 2013-06-26 | 杨晓东 | Novel air filter apparatus |
| CN206917403U (en) * | 2017-07-10 | 2018-01-23 | 江西财经职业学院 | A kind of architectural engineering automatically cleaning Air Filter |
| CN209653573U (en) * | 2019-01-28 | 2019-11-19 | 四汇建设集团有限公司 | The construction enclosing of filtering contaminants |
| CN210171054U (en) * | 2019-01-24 | 2020-03-24 | 林政君 | Automatic environment purifying device |
| CN112112482A (en) * | 2020-10-09 | 2020-12-22 | 毛慧杰 | Active dustproof fence for building construction |
| CN213115819U (en) * | 2020-05-20 | 2021-05-04 | 安徽太基建设工程股份有限公司 | Building bounding wall with press down dirt function |
| CN213509971U (en) * | 2020-10-19 | 2021-06-22 | 杭州大隐建设工程有限公司 | Dustproof guardrail is used in gardens construction |
-
2021
- 2021-08-16 CN CN202110939008.4A patent/CN113694629A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170193A (en) * | 2011-12-20 | 2013-06-26 | 杨晓东 | Novel air filter apparatus |
| CN206917403U (en) * | 2017-07-10 | 2018-01-23 | 江西财经职业学院 | A kind of architectural engineering automatically cleaning Air Filter |
| CN210171054U (en) * | 2019-01-24 | 2020-03-24 | 林政君 | Automatic environment purifying device |
| CN209653573U (en) * | 2019-01-28 | 2019-11-19 | 四汇建设集团有限公司 | The construction enclosing of filtering contaminants |
| CN213115819U (en) * | 2020-05-20 | 2021-05-04 | 安徽太基建设工程股份有限公司 | Building bounding wall with press down dirt function |
| CN112112482A (en) * | 2020-10-09 | 2020-12-22 | 毛慧杰 | Active dustproof fence for building construction |
| CN213509971U (en) * | 2020-10-19 | 2021-06-22 | 杭州大隐建设工程有限公司 | Dustproof guardrail is used in gardens construction |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211126 |