CN217465555U

CN217465555U - Dust fall protector about open-air blasting

Info

Publication number: CN217465555U
Application number: CN202220947255.9U
Authority: CN
Inventors: 王健; 付其顿; 简东星; 李静; 朱国应; 闫锐
Original assignee: Huadong Construction Co ltd Of China Railway No3 Engineering Group Co ltd; China Railway No 3 Engineering Group Co Ltd
Current assignee: Huadong Construction Co ltd Of China Railway No3 Engineering Group Co ltd; China Railway No 3 Engineering Group Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-09-20
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a dust fall protector about open-air blasting belongs to building engineering technical field, cover the layer including placing the big gun on the blasting face in proper order, wave absorption dust fall layer and big gun by the back up coat, wave absorption dust fall layer is evenly placed by a plurality of and is covered the braided bag on cover layer top at the big gun and constitute, the inside fine sand that all packs into of each braided bag, the big gun is put by back up coat central point and is equipped with the filler hole, the filler hole bottom is located wave absorption dust fall layer and big gun by the lap-joint of back up coat, its advantage of this device lies in, the fine sand after utilizing moist adsorbs the raise dust that the blasting produced, and then reaches the effect of environmental protection dust fall.

Description

Dust fall protector about open-air blasting

Technical Field

The utility model belongs to the technical field of building engineering, especially, a dust fall protector about open-air blasting.

Background

The engineering blasting technology has been penetrated into many fields of economic construction after decades of development, and especially makes important contributions to railway construction, mine exploitation and the like in China, because the blasting method has low cost, the blasting method is still a main construction method in a long period of time in the future, but the blasting method inevitably generates a series of harmful effects including blasting shock waves, blasting individual flyings (flyrock), blasting smoke dust, blasting harmful gas, blasting noise, blasting vibration and the like, in open blasting, the blasting shock waves, the blasting individual flyings (flyrock) and the blasting smoke dust are the main problems to be solved, no matter what blasting method is adopted, the covering protection is an effective means for effectively reducing the blasting shock waves and controlling the blasting individual flyings (flyrock) and the blasting smoke dust, the existing blasting covering protection device is mainly woven by waste tires and steel wire meshes, although the dust-settling agent has low cost and higher strength and toughness, the dust-settling effect is extremely poor.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a dust fall protector about open-air blasting to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: the utility model provides a dust fall protector about open-air blasting, includes that the big gun placed on the blasting surface in proper order covers covering layer, the wave absorption energy that disappears falls the dirt layer and the big gun is by the back up coat, the wave absorption energy that disappears falls the dirt layer and evenly places at the braided bag that the big gun covered the covering layer top by a plurality of and constitute, each the inside fine sand that all packs in the braided bag, the big gun is put by back up coat central point and is equipped with the water filling hole, the water filling hole bottom is located the wave absorption energy that disappears and falls the dirt layer and the big gun by the overlap joint department of back up coat.

Through adopting above-mentioned technical scheme, at the water inlet top switch-on water source, through water inlet toward wave absorption energy dust fall layer water injection this moment, the fine sand in the woven bag is fully moist until, and the fine sand after the moist possesses the adsorptivity to the raise dust that the blasting produced to this effect that reaches environmental protection dust fall.

Preferably, the thickness H of the wave-absorbing, energy-absorbing and dust-reducing layer is 20 cm-30 cm, and the thickness of the wave-absorbing, energy-absorbing and dust-reducing layer is greater than the thickness of the gun reinforced layer and the gun covering layer.

Preferably, the gun-coated cover layer is composed of a plurality of first tire skins which are woven in a staggered mode, the gun-coated reinforcing layer is composed of a plurality of second tire skins which are woven in a staggered mode, and the first tire skins and the second tire skins are connected through bolts and threads respectively.

Preferably, a plurality of water permeable holes are uniformly formed in the gun covering layer, the top ends of the water permeable holes are located at the joint of the wave-absorbing, energy-absorbing and dust-reducing layer and the gun covering layer, the bottom ends of the water permeable holes are located at the joint of the gun covering layer and the blasting surface, and the number of the water permeable holes is not less than 50.

Preferably, the gun covering layer, the wave-absorbing, energy-absorbing and dust-reducing layer and the gun reinforced layer are bound and fixed through iron wires.

Has the advantages that: water is injected into the wave-absorbing dust-settling layer from the water filling holes until fine sand in the woven bag is sufficiently wet, and the wet fine sand has adsorbability on raised dust generated by blasting, so that the effect of environmental protection and dust settling is achieved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the reinforcing layer of the gun quilt of the present invention;

fig. 3 is a schematic structural view of the gun covering layer of the present invention.

The reference signs are: 1. a gun cap cover layer; 11. water permeable holes; 12. a first tire skin; 2. a wave-absorbing energy-absorbing dust-reducing layer; 21. woven bags; 22. fine sand; 3. a blasting quilt reinforcing layer; 31. a water filling hole; 32. a second tire skin.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

The utility model provides a dust fall protector about open-air blasting, as figure 1 and figure 2, cover layer 1 is covered including the big gun of placing on the blast surface, the big gun covers 1 top of cover layer and has placed wave absorption energy-absorbing dust fall layer 2, wave absorption energy-absorbing dust fall layer 2 top has placed the big gun by back up coat 3, wave absorption energy-absorbing dust fall layer 2 comprises a plurality of braided bag 21, each braided bag 21 inside is filled with fine sand 22 and evenly places on big gun covers 1 top of cover layer, the big gun is equipped with filler hole 31 by 3 central points of back up coat, filler hole 31 bottom is located wave absorption energy-absorbing dust fall layer 2 and big gun by the overlap joint department of back up coat 3, filler hole 31 top is located the big gun by 3 terminal surfaces of back up coat.

As shown in fig. 1 and 2, a water source is connected to the water inlet hole 31, water is injected into the wave-absorbing dust-falling layer 2 through the water inlet hole 31 until the fine sand 22 in the woven bag 21 is sufficiently wet, and the fine sand 22 after wetting is used for adsorbing the dust generated by blasting, so that the effects of environmental protection and dust falling are achieved.

As shown in figure 1, the thickness H of the wave-absorbing dust-falling layer 2 is 20 cm-30 cm, the thickness of the wave-absorbing dust-falling layer 2 is greater than that of the gun reinforced layer 3, and the thickness of the wave-absorbing dust-falling layer 2 is greater than that of the gun coated cover layer 1, so that after the fine sand 22 is fully wetted, the wave-absorbing dust-falling layer 2 has the capacity of absorbing explosion energy and reducing impact load.

As shown in fig. 2 and fig. 3, the gun covering layer 1 is composed of a plurality of first tire skins 12 which are woven in a staggered mode, the first tire skins 12 are connected through bolts and threads, the gun reinforced layer 3 is composed of a plurality of second tire skins 32 which are woven in a staggered mode, the second tire skins 32 are connected through bolts and threads, the gun covering layer 1 prevents blasting flystones from damaging the wave-absorbing, energy-absorbing and dust-reducing layer 2, the blasting flystones are further buffered through the gun reinforced layer 3, and therefore the device is fixed in the original position, and the blasting flystones are pressed under the device.

As shown in fig. 1 and fig. 3, a plurality of water permeable holes 11 are arranged on the gun-covered cover layer 1, the water permeable holes 11 are uniformly distributed on the gun-covered cover layer 1, the top end of each water permeable hole 11 is located at the lap joint of the wave-absorbing dust-reducing layer 2 and the gun-covered cover layer 1, the bottom end of each water permeable hole 11 is located at the lap joint of the gun-covered cover layer 1 and the blasting surface, the number of the water permeable holes 11 is not less than 50, excessive water in the wave-absorbing dust-reducing layer 2 is drained to the blasting surface through the water permeable holes 11, the blasting surface is wetted, and then the dust generated during blasting is reduced.

As shown in figure 1, the gun covering layer 1 and the wave-absorbing dust-reducing layer 2 are bound and fixed through iron wires, the wave-absorbing dust-reducing layer 2 and the gun reinforced layer 3 are bound and fixed through the same iron wire, and the arrangement enables the gun covering layer 1, the wave-absorbing dust-reducing layer 2 and the gun reinforced layer 3 to be integrated, so that the capability of the device for resisting impact load is improved.

The working principle is as follows: firstly, a water source is communicated with the water adding hole 31, then water is injected into the wave-absorbing dust-reducing layer 2 from the water adding hole 31 until the fine sand 22 in the woven bag 21 is fully wet, the fine sand 22 has adsorbability to raised dust generated by blasting after being wet, the raised dust generated by blasting is absorbed by the wet fine sand 22, and then the effect of environmental protection and dust reduction is achieved, redundant water in the wave-absorbing dust-reducing layer 2 is drained to the blasting surface through the water permeable hole 11, the blasting surface is wetted, the raised dust generated during blasting is reduced, the blasting surface is separated from the wave-absorbing dust-reducing layer 2 through the blasting surface covering layer 1, the blasting flying stones are prevented from damaging the wave-absorbing dust-reducing layer 2, the blasting flying stones placed at the top end of the wave-absorbing dust-reducing layer 2 are further buffered by the reinforcing layer 3, the blasting flying stones are pressed under the device, and the safety during blasting is improved.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides a dust fall protector about open-air blasting, its characterized in that, including placing big gun on the blasting face in proper order and covering layer (1), the dust absorption of ripples disappears dust fall layer (2) and big gun by back up coat (3), the dust absorption of ripples falls layer (2) and evenly places at the big gun and cover braided bag (21) on covering layer (1) top by a plurality of and constitute, each braided bag (21) inside all is filled with fine sand (22), the big gun is equipped with water filling hole (31) by back up coat (3) central point, water filling hole (31) bottom is located the dust absorption of ripples and falls dust layer (2) and the overlap joint of big gun by back up coat (3).

2. The dust fall protection device for open blasting according to claim 1, wherein the thickness H of the wave-absorbing dust-fall layer (2) is 20-30 cm, and the thickness of the wave-absorbing dust-fall layer (2) is greater than the thickness of the gun reinforced layer (3) and the gun cover layer (1).

3. A dust fall protection device for open blast according to claim 1, characterized in that said gun covering layer (1) is composed of a plurality of first tire skins (12) woven in a staggered manner, said gun reinforced layer (3) is composed of a plurality of second tire skins (32) woven in a staggered manner, and each of said first tire skins (12) and said second tire skins is respectively connected by bolt threads.

4. A dust fall protection device for open blast according to claim 1, wherein a plurality of water permeable holes (11) are uniformly formed in the gun covering layer (1), the top end of each water permeable hole (11) is located at the joint of the wave-absorbing and dust-reducing layer (2) and the gun covering layer (1), the bottom end of each water permeable hole (11) is located at the joint of the gun covering layer (1) and the blast surface, and the number of the water permeable holes (11) is not less than 50.

5. The dust fall protection device for open blasting according to claim 1, wherein the gun covering layer (1), the wave-absorbing dust-fall layer (2) and the gun reinforcing layer (3) are bound and fixed through iron wires.