CN104548816A - Dust removal device for building blasting demolition - Google Patents
Dust removal device for building blasting demolition Download PDFInfo
- Publication number
- CN104548816A CN104548816A CN201510030058.5A CN201510030058A CN104548816A CN 104548816 A CN104548816 A CN 104548816A CN 201510030058 A CN201510030058 A CN 201510030058A CN 104548816 A CN104548816 A CN 104548816A
- Authority
- CN
- China
- Prior art keywords
- dust arrester
- high polymer
- demolition blasting
- building demolition
- environmental protection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/04—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour through foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
Abstract
The invention discloses a dust removal device for building blasting demolition. The dust removal device consists of a mixed adsorption solution, an atomization device and a high polymer environment-friendly bag, wherein the mixed adsorption solution comprises the following raw materials by mass: 48-49kg of water, 0.7-1.4kg of a porous solid material, 0.15-0.3kg of an adsorbent, 0.1-0.2kg of a foaming agent and 0.05-0.1kg of a foam stabilizer. The preparation method comprises the following steps: pouring the porous solid material and the adsorbent into water, stirring and mixing for a period of time, sequentially adding the foaming agent and the foam stabilizer under the continuous stirring operation, stirring, thereby obtaining the uniformly mixed adsorption solution; inserting a non-electric detonating tube into the center of 30-40g of waterproof spherical charge, thereby obtaining the atomization device; and pouring the completely prepared mixed adsorption solution into the high polymer environment-friendly bag, putting the atomization device in the center of the high polymer environment-friendly bag, thereby obtaining the dust removal device for building blasting demolition.
Description
Technical field
The present invention relates to cities and towns buildings or structures explosive demolition technical field, be specifically related to the explosion equipment that cities and towns buildings or structures control demolition blasting uses.
Background technology
Closely for decades; along with greatly developing of urban construction; city buildings or structures Demolition by controlled blasting technology has become the important means of removing tall and big buildings or structures; but the most of construction of structures in cities and towns is many or be positioned at community, downtown area; or close on school, street and factory etc.; blasting environment more complicated, demolition blasting is comparatively strict to the requirement of environmental protection.But, in the process of demolition blasting, often have a large amount of industrial dust disperses, these blasting dusts all substantially exceed the critical value of China's existing laws and regulations defined, also have a strong impact on neighbouring residents ' health and The Surroundings in Cities health and air quality simultaneously.At present, absorbing the technical difficulty of blasting dust, to be that blasting dust has Granular composite, range of scatter large and produce the characteristic of instantaneity, particularly when high wind and construction of structures component disintegrate under the effect of air compressing, dust recycling speed can be made to accelerate.Current, the technology of not yet effective, practical solution demolition blasting dust.
Substantially all with the bright rising sun of Zheng, when removing old gymnasium, Guangzhou, method therefor is for archetype for the method that adopts of the Blow now, and they can be summarized as: cleaning laying dust, flooring retaining, body of wall of prewetting, roofing apply water bag, building outer high pressure pipe network water spray, set up dust-proof row's grid and helicopter water bombing and comprehensively use to one or several in distinguished and admirable etc. under generation.But one of disadvantage such as dust removing effects difference, cost are high, complex process that these class methods all exist.
Summary of the invention
In order to solve a difficult problem for demolition blasting dust dedusting, and disadvantages such as the dust removing effects overcoming prior art is poor, cost is high, complex process, the invention provides that a kind of structure is simple, safe and reliable, the dust arrester of the building demolition blasting of environmental protection.
Concrete technical scheme is as follows:
A kind of dust arrester for Building demolition explosion is made up of mixing and absorption liquid, atomising device and high polymer Environmental protection bag; Raw material and the quality of wherein said mixing and absorption liquid are: water 48 ~ 49kg, cellular solid 0.7 ~ 1.4kg, adsorbent 0.15 ~ 0.3kg, blowing agent 0.1 ~ 0.2kg, foam stabiliser 0.05 ~ 0.1kg;
Described demolition blasting dust arrester is prepared according to the following steps:
The first step, is poured into water porous solid material and adsorbent by above-mentioned formula, after being uniformly mixed a period of time, continuing, under the operation of stirring, successively to add blowing agent and foam stabiliser, obtains Homogeneous phase mixing adsorption liquid through stirring;
Second step, inserts the spherical blasting charge center of water proof type by a non-electric nonel tube detonator, obtains atomising device.
3rd step, pours in high polymer Environmental protection bag by the mixing and absorption liquid prepared, and puts into atomising device, obtain the dust arrester for Building demolition explosion at high polymer Environmental protection bag center.
Described porous solid material is perlitic one or both mixtures of hollow glass micro-ball or porphyrize.
Described adsorbent is polyacrylamide (PAM).
Described blowing agent is one in lauryl sodium sulfate (K12), aliphatic acid polyethenoxy ether sodium sulphate (AES) or rosin soap class blowing agent or wherein several mixture.
Described foam stabiliser is polyether silicone.
Described atomising device is that the water proof type spheroidal charging of a non-electric nonel tube detonator and 30 ~ 40g is formed.
Described high polymer Environmental protection bag is the high polymer polybag that with the addition of degradable substance.
General principle of the present invention is:
Porous solid material and adsorbent put into water through stirring, the abundant mixed liquor of a kind of solid-liquid can be formed, add blowing agent afterwards and foam stabiliser makes the specific area of mixing and absorption liquid sharply expand on original absorption basis, form large bubble type surfactant liquid (hereinafter referred to as " gas formula liquid "), along with the atomizing of blast, the numerous tiny gas formula liquid of further quantity of formation, bubble chamber film surface tension is reduced because the foam stabiliser added has, so substantially increase intensity and the toughness of gas formula liquid, this gas formula liquid long period is made to maintain its original form, ensure that the strong adsorption capacity of a large amount of gas formula liquid.
It catches adsorption mechanism and can go from two aspects to analyze.From hydromechanical viewpoint, when gas formula liquid is close to trapping thing, complete depositing dust dustproof function by short distance mechanism comprehensive functions such as inertial collision, interception and diffusions; From application colloid chemistry viewpoint, blasting dust can regard particulate as, band negative charge, gas formula liquid can regard hard spheroid as, and band positive electricity, under the condition of Electrostatic Absorption, after crown_interception, inertia depositing dust, effect such as diffusion depositing dust, gravity depositing dust etc., also can catch and in and the dust granules that produces and toxic and harmful after explosion, energy-saving and emission-reduction simultaneously, improve economic benefit.
Some feature of the present invention:
1) through the foaming effect of blowing agent, the basis having adsorbent further enhancing the adsorption function of adsorption liquid, define the gas formula liquid with enlarge-effect;
2) the described gas formula liquid above-mentioned 1) is based under the effect of bubble stabilizer, and its original form of maintenance that can be comparatively long-term, increases the specific area of mixing and absorption liquid, improve its adsorption capacity;
3) the porous solid material added, even if bubble breaking, through moistening porous solid material also comparable simple surfactant solution have larger specific area, the moistening porous material of One's name is legion still can adsorb the industrial dust in explosion on a large scale, thus can effective dust suction depositing dust;
4) adopt tie-down mode sealing mode after the high polymer Environmental protection bag that demolition blasting dust arrester is used pours mixing and absorption liquid into, when can keep explosive charge like this, instantaneous high pressure in bag, improves its atomization ability in detonation process;
5) the liquid storage thing that demolition blasting dust arrester is used be based on high-polymer molecular there is higher-strength and toughness and with the addition of the high polymer Environmental protection bag of degradation material, intensity is large, store liquid many, the gas formula liquid that blast produces is long-pending, and (diameter is greater than 2.8m greatly, diffusion is highly greater than 3m), duration long (duration is greater than 200ms), catch dust area greatly, effective trapping time is long.
The present invention is compared with the existing active water smoke containing surface activity liquid, and its remarkable advantage is:
1) the mixing and absorption liquid for the dust arrester of Building demolition explosion has the functions such as strong adsorptivity, strong foaming capacity and bubble duration length, when gas formula liquid and blasting dust close on, by inertia depositing dust, synergy such as diffusion depositing dust, gravity depositing dust etc., effectively complete and catch dirt dedusting task, efficiency is high, and the time is short;
2) due to the comprehensive function of adsorbent, porous solid material and blowing agent, under equal conditions, the surfactant solution that mixing and absorption liquor ratio is general or other active water smoke adsorption capacities are stronger, and it is more remarkable to catch dirt dust removing effects;
3) owing to the addition of foam stabiliser, it can reduce bubble chamber film surface tension, therefore can increase the time that gas formula liquid maintains original form to a certain extent;
4) based on the existence of porous solid material, even if bubble breaking, through moistening porous solid material also comparable simple surfactant solution have larger specific area, the moistening porous material of One's name is legion still can adsorb the industrial dust in explosion on a large scale, thus can effective dust suction depositing dust;
5) high polymer Environmental protection bag has intensity greatly, the feature that liquid storage amount is large, catches dirt dedusting scope greatly, effective.
6) high polymer Environmental protection bag, which are added degradation material, makes Environmental protection bag degradable in 3 months, while completing dedusting task, reduces environmental pollution;
7) consider processing safety, the non-electric nonel tube detonator that atomising device uses, the potential safety hazard such as tactile water conduction, electric leakage that electric cap can be avoided to cause, improves safety in utilization;
8) structure is simple, safe and reliable, environmental protection;
Dust arrester for building demolition blasting provided by the invention is widely used in the requirement of cities and towns buildings or structures demolition blasting depositing dust dedusting.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
Sequence number in Fig. 1: 1 water proof type spheroidal charging, 2 high polymer Environmental protection bags, 3 mixing and absorption liquid, 4 fixing point of suspension, 5 sealings, 6 plastic detonating tube detonator and lead-in wires.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
Building demolition blasting dust arrester is made up of mixing and absorption liquid, atomising device and high polymer Environmental protection bag.
Preparation raw material and the mass component of suitability for industrialized production 50kg mixing and absorption liquid are: water 48kg, porous solid material 1.4kg, adsorbent 0.3kg, blowing agent 0.2kg, foam stabiliser 0.1kg.
Atomising device is that a non-electric nonel tube detonator and 35g water proof type pellet powder bag are formed.
Demolition blasting liquid storage thing used is high polymer Environmental protection bag.
Demolition blasting dust arrester is prepared according to the following steps:
The first step, imports in 48kg water by 1.4kg porous solid material and 0.3kg adsorbent, after being uniformly mixed a period of time, continuing, under the operation of stirring, successively to add 0.2kg blowing agent and 0.1kg foam stabiliser, obtaining 50kg Homogeneous phase mixing adsorption liquid through stirring;
Second step, inserts the spherical explosive cartridge center of 35g water proof type by a non-electric nonel tube detonator, obtains atomising device.
3rd step, pours in high polymer Environmental protection bag by the mixing and absorption liquid prepared, and puts into atomising device, namely obtain the dust arrester for Building demolition explosion at high polymer Environmental protection bag center.
Embodiment 2
Building demolition blasting dust arrester is made up of mixing and absorption liquid, atomising device and high polymer Environmental protection bag.
Preparation raw material and the mass component of suitability for industrialized production 50kg mixing and absorption liquid are: water 49kg, porous solid material 0.7kg, adsorbent 0.15kg, blowing agent 0.1kg, foam stabiliser 0.05kg.
Atomising device is that a non-electric nonel tube detonator and 40g water proof type pellet powder volume are formed.
Demolition blasting liquid storage thing used is high polymer Environmental protection bag.
Demolition blasting dust arrester is prepared according to the following steps:
The first step, 0.7kg porous solid material and 0.15kg adsorbent are imported in 49kg water, after being uniformly mixed a period of time, is continuing under the operation of stirring, successively adding 0.1kg blowing agent and 0.05kg foam stabiliser, obtaining 50kg Homogeneous phase mixing adsorption liquid through stirring;
Second step, inserts 40g water proof type spheroidal charging center by a non-electric nonel tube detonator, obtains atomising device.
3rd step, pours in high polymer Environmental protection bag by the mixing and absorption liquid prepared, and puts into atomising device, namely obtain the dust arrester for Building demolition explosion at high polymer Environmental protection bag center.
Claims (9)
1., for a dust arrester for building demolition blasting, it is characterized in that being made up of mixing and absorption liquid, atomising device and high polymer Environmental protection bag; Raw material and the quality of wherein said mixing and absorption liquid are: water 48 ~ 49kg, porous solid material 0.7 ~ 1.4kg, adsorbent 0.15 ~ 0.3kg, blowing agent 0.1 ~ 0.2kg, foam stabiliser 0.05 ~ 0.1kg;
Described demolition blasting dust arrester is prepared according to the following steps:
The first step, is poured into water porous solid material and adsorbent by above-mentioned formula, after being uniformly mixed a period of time, continuing, under the operation of stirring, successively to add blowing agent and foam stabiliser, obtains Homogeneous phase mixing adsorption liquid through stirring;
Second step, inserts spheroidal charging center by a non-electric nonel tube detonator, obtains atomising device;
3rd step, pours in high polymer Environmental protection bag by the mixing and absorption liquid prepared, and puts into atomising device, obtain the dust arrester for building demolition blasting at high polymer Environmental protection bag center.
2. a kind of dust arrester for building demolition blasting according to claim 1, is characterized in that described porous solid material is perlitic one or both mixtures of hollow glass micro-ball or porphyrize.
3. a kind of dust arrester for building demolition blasting according to claim 1, is characterized in that described adsorbent is polyacrylamide (PAM).
4. a kind of dust arrester for building demolition blasting according to claim 1, is characterized in that described blowing agent is one in lauryl sodium sulfate (K12), aliphatic acid polyethenoxy ether sodium sulphate (AES) or rosin soap class blowing agent or wherein mixture.
5. a kind of dust arrester for building demolition blasting according to claim 1, is characterized in that described foam stabiliser is polyether silicone.
6. a kind of dust arrester for building demolition blasting according to claim 1, is characterized in that described atomising device is the spherical blasting charge formation of water proof type of a non-electric nonel tube detonator and 30 ~ 40g.
7. a kind of dust arrester for building demolition blasting according to claim 1, is characterized in that described high polymer Environmental protection bag is the high polymer Environment-friendlyplastic plastic bag that with the addition of degradation material.
8. a kind of dust arrester for building demolition blasting according to claim 1, is characterized in that described high polymer Environmental protection bag outward appearance is ellipticity, and be symmetrical arranged point of suspension near bag both sides of the edge.
9. a kind of dust arrester for building demolition blasting according to claim 1, adopts the tight mode of system's (bundle) to seal after it is characterized in that pouring mixing and absorption liquid into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030058.5A CN104548816B (en) | 2015-01-21 | 2015-01-21 | A kind of dust arrester for building demolition blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030058.5A CN104548816B (en) | 2015-01-21 | 2015-01-21 | A kind of dust arrester for building demolition blasting |
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| Publication Number | Publication Date |
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| CN104548816A true CN104548816A (en) | 2015-04-29 |
| CN104548816B CN104548816B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510030058.5A Expired - Fee Related CN104548816B (en) | 2015-01-21 | 2015-01-21 | A kind of dust arrester for building demolition blasting |
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| Country | Link |
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| CN (1) | CN104548816B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970554A (en) * | 2017-12-27 | 2018-05-01 | 广东自由能科技股份有限公司 | A kind of combined type extinguishing chemical and preparation method thereof |
| CN108042967A (en) * | 2017-12-27 | 2018-05-18 | 广东自由能科技股份有限公司 | A kind of fluorine-containing high-efficiency environment friendly extinguishing chemical and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01185385A (en) * | 1988-01-21 | 1989-07-24 | Asahi Chem Ind Co Ltd | Static expansive demolishing agent |
| KR20020073474A (en) * | 2002-09-11 | 2002-09-26 | 주식회사 코리아카코 | Blasting dissolution method of wall |
| GB2396381A (en) * | 2002-12-17 | 2004-06-23 | Stephen Miller | Dust suppression system for use in the demolition of buildings |
| CN101067076A (en) * | 2007-06-28 | 2007-11-07 | 潘德顺 | Foamed dust adhering agent and its prepn and application |
| CN203334703U (en) * | 2013-06-20 | 2013-12-11 | 贵州新联爆破工程集团有限公司 | Water curtain dust-removing device for demolition blasting of building |
| JP2014156776A (en) * | 2014-04-25 | 2014-08-28 | Suzuken Kogyo Kk | Dust scattering suppression method |
-
2015
- 2015-01-21 CN CN201510030058.5A patent/CN104548816B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01185385A (en) * | 1988-01-21 | 1989-07-24 | Asahi Chem Ind Co Ltd | Static expansive demolishing agent |
| KR20020073474A (en) * | 2002-09-11 | 2002-09-26 | 주식회사 코리아카코 | Blasting dissolution method of wall |
| GB2396381A (en) * | 2002-12-17 | 2004-06-23 | Stephen Miller | Dust suppression system for use in the demolition of buildings |
| CN101067076A (en) * | 2007-06-28 | 2007-11-07 | 潘德顺 | Foamed dust adhering agent and its prepn and application |
| CN203334703U (en) * | 2013-06-20 | 2013-12-11 | 贵州新联爆破工程集团有限公司 | Water curtain dust-removing device for demolition blasting of building |
| JP2014156776A (en) * | 2014-04-25 | 2014-08-28 | Suzuken Kogyo Kk | Dust scattering suppression method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970554A (en) * | 2017-12-27 | 2018-05-01 | 广东自由能科技股份有限公司 | A kind of combined type extinguishing chemical and preparation method thereof |
| CN108042967A (en) * | 2017-12-27 | 2018-05-18 | 广东自由能科技股份有限公司 | A kind of fluorine-containing high-efficiency environment friendly extinguishing chemical and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN104548816B (en) | 2016-06-15 |
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Granted publication date: 20160615 Termination date: 20190121 |