阅读说明：本技术 一种用于建筑物拆除施工现场的吸尘墙及其滤网 (Dust absorption wall and filter screen for building demolition construction site ) 是由 黄桐 黄震博 金光泽 刘小勇 吕继辉 于 2021-08-16 设计创作，主要内容包括：本发明提供了一种用于建筑物拆除施工现场的吸尘墙及其滤网,该吸尘墙包括若干风机堆叠成的风机墙体,风机墙体的前端侧面安装有滤网。风机墙体可产生强大的负压,将粉尘吸进吸尘墙内,吸尘墙内的滤网可起到收集以及过滤粉尘的作用。滤网由前至后依次包括钢筋网、钢丝网以及滤布；钢筋网可防止飞溅的大石块砸坏风机,钢丝网可起到弹性缓冲的作用,不但可以阻挡小石块,还可以防止小石块直接撞击滤布,从而起到了保护滤布以及风机的作用。滤布可阻挡过滤细小的粉尘(如PM2.5)。从而,从吸尘墙后端排出的空气可达到排放要求,避免了粉尘影响周边环境以及人民的身体健康。(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.)

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.

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.