CN107309111A - A kind of early stage atomizing de-dusting apparatus constructed for tunnel blasting - Google Patents
A kind of early stage atomizing de-dusting apparatus constructed for tunnel blasting Download PDFInfo
- Publication number
- CN107309111A CN107309111A CN201710587114.4A CN201710587114A CN107309111A CN 107309111 A CN107309111 A CN 107309111A CN 201710587114 A CN201710587114 A CN 201710587114A CN 107309111 A CN107309111 A CN 107309111A
- Authority
- CN
- China
- Prior art keywords
- semi
- bottom plate
- annular shape
- water pipe
- oil
- Prior art date
- 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.)
- Pending
Links
- 238000005422 blasting Methods 0.000 title claims abstract description 22
- 238000010410 dusting Methods 0.000 title claims abstract 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000007921 spray Substances 0.000 claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract 13
- 239000010727 cylinder oil Substances 0.000 claims abstract 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 19
- 238000010276 construction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract 1
- 230000001629 suppression Effects 0.000 description 13
- 238000005507 spraying Methods 0.000 description 8
- 239000002360 explosive Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
-
- 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
- B01D47/06—Spray cleaning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Special Spraying Apparatus (AREA)
Abstract
Description
技术领域technical field
本发明涉及爆破施工用降尘设备技术领域，尤其涉及一种用于巷道爆破施工的前期喷雾降尘装置。The invention relates to the technical field of dust suppression equipment for blasting construction, in particular to a pre-spray dust suppression device for roadway blasting construction.
背景技术Background technique
爆破(blasting)是利用炸药在空气、水、土石介质或物体中爆炸所产生的压缩、松动、破坏、抛掷及杀伤作用，达到预期目的的一门技术。Blasting is a technology that uses the compression, loosening, destruction, throwing and killing effects of explosives in air, water, earth and rock media or objects to achieve the intended purpose.
药包或装药在土石介质或结构物中爆炸时，使土石介质或结构物产生压缩、变形、破坏、松散和抛掷的现象，主要用于土石方工程，以及金属建筑物和构筑物的拆除等。研究的范围包括：炸药、火具的性质和使用方法，装药(药包)在各种介质中的爆炸作用，装药对目标的接触爆破和非接触爆破，各类爆破作业的组织与实施。When the explosive package or charge explodes in the earth-rock medium or structure, the earth-rock medium or structure will be compressed, deformed, destroyed, loosened and thrown. It is mainly used in earthwork engineering, and the demolition of metal buildings and structures. The scope of the research includes: the properties and usage methods of explosives and firearms, the explosive effect of charges (charges) in various media, the contact blasting and non-contact blasting of charges on targets, and the organization and implementation of various blasting operations .
本发明人发现，现有的喷雾降尘装置在使用时其存在喷头喷雾的喷射角度调节较为不便，且喷射的覆盖面有限的问题。The inventors of the present invention have found that the existing spray dust suppression device has the problems of inconvenient adjustment of the spraying angle of the nozzle spray and limited coverage of the spraying during use.
于是，发明人有鉴于此，秉持多年该相关行业丰富的设计开发及实际制作的经验，针对现有的结构及缺失予以研究改良，提供一种用于巷道爆破施工的前期喷雾降尘装置，以期达到更具有更加实用价值性的目的。Therefore, in view of this, the inventor has been adhering to years of rich experience in design, development and actual production in this related industry, researched and improved the existing structure and defects, and provided a pre-spray dust suppression device for roadway blasting construction, in order to achieve It has a more practical purpose.
发明内容Contents of the invention
本发明的目的在于提供一种用于巷道爆破施工的前期喷雾降尘装置，以解决上述背景技术中提出的喷头喷雾的喷射角度调节较为不便，且喷射的覆盖面有限的问题。The purpose of the present invention is to provide a preliminary spray dust suppression device for roadway blasting construction to solve the problems of inconvenient adjustment of the spray angle of spray nozzle spray and limited spray coverage proposed in the above background technology.
本发明用于巷道爆破施工的前期喷雾降尘装置的目的与功效，由以下具体技术手段所达成：The purpose and effect of the early stage spray dust suppression device used in roadway blasting construction of the present invention are achieved by the following specific technical means:
一种用于巷道爆破施工的前期喷雾降尘装置，其中，该用于巷道爆破施工的前期喷雾降尘装置包括有：A preliminary spray dust suppression device for roadway blasting construction, wherein, the preliminary spray dust suppression device for roadway blasting construction includes:
水箱、加压水泵、进水管道、支撑板、半圆环状水管、连通软管、喷头、放水管道、油缸、底板和电动油泵；Water tank, pressurized water pump, water inlet pipe, support plate, semi-circular water pipe, connecting hose, nozzle, water discharge pipe, oil cylinder, bottom plate and electric oil pump;
所述水箱焊接固定于底板的顶端；所述加压水泵螺纹紧固于水箱的顶端，且加压水泵的进水管与水箱内部相连通；所述进水管道焊接支撑于水箱的顶端，且其位于加压水泵的右侧；所述支撑板螺纹紧固于水箱的顶端，且其靠近水箱的左侧外檐分布；所述半圆环状水管与支撑板转动相连接；所述连通软管连接设置于半圆环状水管与之间；所述喷头固定设置于半圆环状水管的外壁上；所述油缸螺纹紧固于底板的顶端，且其靠近底板的左侧外檐设置；所述电动油泵螺纹紧固于底板的顶端，且其通过油压管路与油缸油压控制相连接。The water tank is welded and fixed on the top of the bottom plate; the pressurized water pump is screw-fastened to the top of the water tank, and the water inlet pipe of the pressurized water pump communicates with the inside of the water tank; the water inlet pipe is welded and supported on the top of the water tank, and its Located on the right side of the pressurized water pump; the support plate is screwed to the top of the water tank, and it is distributed near the left outer eaves of the water tank; the semi-circular water pipe is connected to the support plate in rotation; the communication hose is connected to It is arranged between the semi-circular water pipe and the water pipe; the nozzle is fixedly arranged on the outer wall of the semi-circular water pipe; the oil cylinder is fastened to the top of the bottom plate with threads, and it is set close to the left outer eaves of the bottom plate; the electric oil pump The thread is fastened on the top of the bottom plate, and it is connected with the oil pressure control of the oil cylinder through the oil pressure pipeline.
进一步的，所述喷头沿半圆环状水管的中心阵列设置有七处。Further, there are seven nozzles arranged along the central array of the semi-circular water pipe.
进一步的，所述油缸中心的活塞杆与半圆环状水管转动相连接。Further, the piston rod at the center of the oil cylinder is rotatably connected with the semicircular water pipe.
与现有结构相较之下，本发明具有如下优点：Compared with existing structures, the present invention has the following advantages:
本发明油缸的设置，通过油缸伸缩控制半圆环状水管的喷射角度，使半圆环状水管可以上下摆动对将巷道的整个三维空间进行喷射降尘作业。The arrangement of the oil cylinder of the present invention controls the spraying angle of the semi-circular water pipe through the expansion and contraction of the oil cylinder, so that the semi-circular water pipe can swing up and down to spray and dust down the entire three-dimensional space of the roadway.
本发明喷头的设置，七处喷头呈半圆状180°辐射设置，我们能够充分兼顾巷道整个宽度，使水雾能够喷洒于巷道的各个角落，喷雾降尘的效果更好。In the arrangement of the nozzles of the present invention, the seven nozzles are arranged in a semicircular shape with 180° radiation. We can fully take into account the entire width of the roadway, so that the water mist can be sprayed on every corner of the roadway, and the effect of spraying and dust reduction is better.
附图说明Description of drawings
图1为本发明结构示意图；Fig. 1 is a structural representation of the present invention;
图2为本发明三维结构示意图；Fig. 2 is a schematic diagram of a three-dimensional structure of the present invention;
图3为本发明仰视三维结构示意图。Fig. 3 is a schematic diagram of the three-dimensional structure of the present invention viewed from above.
图中：1-水箱，2-加压水泵，3-进水管道，4-支撑板，5-半圆环状水管， 6-连通软管，7-喷头，8-放水管道，9-油缸，10-底板，11-电动油泵。In the figure: 1-water tank, 2-pressurized water pump, 3-water inlet pipe, 4-support plate, 5-semi-circular water pipe, 6-communicating hose, 7-nozzle, 8-water discharge pipe, 9-oil cylinder, 10-base plate, 11-electric oil pump.
具体实施方式detailed description
下面，将详细说明本发明的实施例，其实例显示在附图和以下描述中。虽然将结合示例性的实施例描述本发明，但应当理解该描述并非要把本发明限制于该示例性的实施例。相反，本发明将不仅覆盖该示例性的实施例，而且还覆盖各种替换的、改变的、等效的和其他实施例，其可包含在所附权利要求所限定的本发明的精神和范围内。Hereinafter, embodiments of the present invention will be described in detail, examples of which are shown in the accompanying drawings and the following description. While the invention will be described in conjunction with exemplary embodiments, it will be understood that the description is not intended to limit the invention to the exemplary embodiments. On the contrary, the invention is to cover not only the exemplary embodiment, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims Inside.
参见图1至附图3，一种用于巷道爆破施工的前期喷雾降尘装置，包括有：Referring to Figure 1 to Figure 3, a pre-spray dust suppression device for roadway blasting construction includes:
水箱1、加压水泵2、进水管道3、支撑板4、半圆环状水管5、连通软管 6、喷头7、放水管道8、油缸9、底板10和电动油泵11；Water tank 1, pressurized water pump 2, water inlet pipe 3, support plate 4, semi-circular water pipe 5, connecting hose 6, nozzle 7, water discharge pipe 8, oil cylinder 9, bottom plate 10 and electric oil pump 11;
水箱1焊接固定于底板10的顶端；加压水泵2螺纹紧固于水箱1的顶端，且加压水泵2的进水管与水箱1内部相连通；进水管道3焊接支撑于水箱1 的顶端，且其位于加压水泵2的右侧；支撑板4螺纹紧固于水箱1的顶端，且其靠近水箱1的左侧外檐分布；半圆环状水管5与支撑板4转动相连接；连通软管6连接设置于半圆环状水管5与之间；喷头7固定设置于半圆环状水管5的外壁上；油缸9螺纹紧固于底板10的顶端，且其靠近底板10的左侧外檐设置；电动油泵1螺纹紧固于底板10的顶端，且其通过油压管路与油缸9油压控制相连接。The water tank 1 is welded and fixed on the top of the bottom plate 10; the pressurized water pump 2 is screwed to the top of the water tank 1, and the water inlet pipe of the pressurized water pump 2 is connected with the inside of the water tank 1; the water inlet pipe 3 is welded and supported on the top of the water tank 1, And it is located on the right side of the pressurized water pump 2; the support plate 4 is threadedly fastened to the top of the water tank 1, and it is distributed near the left outer eaves of the water tank 1; the semi-circular water pipe 5 is connected to the support plate 4 in rotation; The pipe 6 is connected between the semi-circular water pipe 5 and the nozzle 7 is fixed on the outer wall of the semi-circular water pipe 5; the oil cylinder 9 is screwed to the top of the bottom plate 10, and it is set near the left outer eaves of the bottom plate 10 ; The electric oil pump 1 is fastened to the top of the bottom plate 10 with threads, and it is connected with the oil pressure control of the oil cylinder 9 through the oil pressure pipeline.
如上述的用于巷道爆破施工的前期喷雾降尘装置的较佳实施例，其中，喷头7沿半圆环状水管5的中心阵列设置有七处，七处喷头7呈半圆状180°辐射设置，我们能够充分兼顾巷道整个宽度，使水雾能够喷洒于巷道的各个角落，喷雾降尘的效果更好。As in the preferred embodiment of the above-mentioned early stage spray dust suppression device for roadway blasting construction, there are seven nozzles 7 arranged along the central array of semi-circular water pipes 5, and the seven nozzles 7 are arranged in a semicircular 180° radiation. We It can fully take into account the entire width of the roadway, so that the water mist can be sprayed on every corner of the roadway, and the effect of spraying dust is better.
如上述的用于巷道爆破施工的前期喷雾降尘装置的较佳实施例，其中，油缸9中心的活塞杆与半圆环状水管5转动相连接，通过油缸9伸缩控制半圆环状水管5的喷射角度，使半圆环状水管5可以上下摆动对将巷道的整个三维空间进行喷射降尘作业。As a preferred embodiment of the above-mentioned pre-spray and dust suppression device for roadway blasting construction, the piston rod in the center of the oil cylinder 9 is connected to the semi-circular water pipe 5 in rotation, and the spray angle of the semi-circular water pipe 5 is controlled by the expansion and contraction of the oil cylinder 9 , so that the semi-annular water pipe 5 can swing up and down to carry out the spraying dust reduction operation to the whole three-dimensional space of the roadway.
本实施例的工作原理：The working principle of this embodiment:
首先需要将喷雾降尘装置本体吊装置于卡车的车斗内部并安装固定，加压水泵2与电动油泵11需要车载汽油发电机的电力驱动，通过进水管道3将水箱1的内部加满水，启动加压水泵2，经过加压的水由连通软管6进入半圆环状水管5，在经由喷头7转化形成水雾喷射于巷道内部进行喷雾降尘作业，必要时启动电动油泵11输出油压伸缩调整油缸9的伸缩高度，进而调节半圆环状水管5的喷射角度，以适用巷道爆破施工的前期喷雾降尘作业。First, the main body of the spray dust suppression device needs to be hung inside the truck body and installed and fixed. The pressurized water pump 2 and the electric oil pump 11 need to be driven by the electric power of the on-board gasoline generator, and the inside of the water tank 1 is filled with water through the water inlet pipe 3. Start the pressurized water pump 2, the pressurized water enters the semi-circular water pipe 5 from the connecting hose 6, and is transformed into water mist through the nozzle 7 and sprayed inside the roadway for spraying and dust reduction operations. If necessary, start the electric oil pump 11 to output oil pressure. Adjust the telescopic height of the oil cylinder 9, and then adjust the spray angle of the semi-circular water pipe 5, so as to be suitable for the early stage spraying and dust suppression operation of the roadway blasting construction.
需要说明的是，本发明使用到的标准零件均可以从市场上购买，异形件根据说明书的和附图的记载均可以进行订制，各个零件的具体连接方式均采用现有技术中成熟的螺栓、铆钉、焊接等常规手段，机械、零件和设备均采用现有技术中，常规的型号，发明人在此不再详述。It should be noted that the standard parts used in the present invention can be purchased from the market, and the special-shaped parts can be customized according to the instructions and drawings, and the specific connection methods of each part adopt mature bolts in the prior art. Conventional means such as, rivet, welding, machinery, parts and equipment all adopt in the prior art, conventional model, and the inventor no longer elaborates here.
综上，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换,凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。In summary, although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features , Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587114.4A CN107309111A (en) | 2017-07-18 | 2017-07-18 | A kind of early stage atomizing de-dusting apparatus constructed for tunnel blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587114.4A CN107309111A (en) | 2017-07-18 | 2017-07-18 | A kind of early stage atomizing de-dusting apparatus constructed for tunnel blasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107309111A true CN107309111A (en) | 2017-11-03 |
Family
ID=60177958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710587114.4A Pending CN107309111A (en) | 2017-07-18 | 2017-07-18 | A kind of early stage atomizing de-dusting apparatus constructed for tunnel blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107309111A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554658A (en) * | 2018-06-22 | 2018-09-21 | 贵州大学 | A kind of mine blasting device for reducing dust of adjustable spray angle |
| CN113175345A (en) * | 2021-05-28 | 2021-07-27 | 中交二航局第三工程有限公司 | Dust removal device for rapidly reducing dust concentration in tunnel |
| CN114210492A (en) * | 2021-11-12 | 2022-03-22 | 中铁十六局集团第四工程有限公司 | Cement waterproof coating spraying equipment |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010001744U1 (en) * | 2010-02-02 | 2010-05-12 | Protecfire Gmbh | spray nozzle |
| CN102455241A (en) * | 2010-10-28 | 2012-05-16 | 上海汽车集团股份有限公司 | Water spraying system, water spraying test stand and control method of water spraying system |
| CN202882986U (en) * | 2012-10-30 | 2013-04-17 | 彬县煤炭有限责任公司下沟矿 | Underground mine well dust falling spraying device |
| CN203559924U (en) * | 2013-11-28 | 2014-04-23 | 曹鹏 | Automatic spray aspirating device for roadway blasting driving |
| CN204283475U (en) * | 2014-11-24 | 2015-04-22 | 淄博矿业集团有限责任公司许厂煤矿 | Liftable washes away dust suppression device |
| CN104989443A (en) * | 2015-06-17 | 2015-10-21 | 上海建科工程咨询有限公司 | Device and method for quick dust falling during tunnel detonating |
| CN204804868U (en) * | 2015-03-25 | 2015-11-25 | 陕西长武亭南煤业有限责任公司 | Mine atmospheric pressure watering dust collector |
| CN205042297U (en) * | 2015-09-16 | 2016-02-24 | 瓮安县山脚坡砂石厂 | Grit dust shaker |
| CN205063989U (en) * | 2015-10-29 | 2016-03-02 | 中国铝业股份有限公司山西分公司孝义铝矿 | Open mine ultrasonic atomization dust collector |
| CN205135694U (en) * | 2015-11-20 | 2016-04-06 | 淮南市矿用电器设备有限责任公司 | A automatic dust fall atomizer for coal mine transportation |
| CN206071500U (en) * | 2016-09-22 | 2017-04-05 | 安徽中金立华矿业工程有限公司 | A kind of sprayer unit for down-the-hole drill |
| CN206325737U (en) * | 2016-12-06 | 2017-07-14 | 曲周县和盛新型建筑材料有限公司 | A kind of construction site water injector |
| CN206981054U (en) * | 2017-07-18 | 2018-02-09 | 贵州大学 | A kind of atomizing de-dusting apparatus early stage for tunnel blasting construction |
-
2017
- 2017-07-18 CN CN201710587114.4A patent/CN107309111A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010001744U1 (en) * | 2010-02-02 | 2010-05-12 | Protecfire Gmbh | spray nozzle |
| CN102455241A (en) * | 2010-10-28 | 2012-05-16 | 上海汽车集团股份有限公司 | Water spraying system, water spraying test stand and control method of water spraying system |
| CN202882986U (en) * | 2012-10-30 | 2013-04-17 | 彬县煤炭有限责任公司下沟矿 | Underground mine well dust falling spraying device |
| CN203559924U (en) * | 2013-11-28 | 2014-04-23 | 曹鹏 | Automatic spray aspirating device for roadway blasting driving |
| CN204283475U (en) * | 2014-11-24 | 2015-04-22 | 淄博矿业集团有限责任公司许厂煤矿 | Liftable washes away dust suppression device |
| CN204804868U (en) * | 2015-03-25 | 2015-11-25 | 陕西长武亭南煤业有限责任公司 | Mine atmospheric pressure watering dust collector |
| CN104989443A (en) * | 2015-06-17 | 2015-10-21 | 上海建科工程咨询有限公司 | Device and method for quick dust falling during tunnel detonating |
| CN205042297U (en) * | 2015-09-16 | 2016-02-24 | 瓮安县山脚坡砂石厂 | Grit dust shaker |
| CN205063989U (en) * | 2015-10-29 | 2016-03-02 | 中国铝业股份有限公司山西分公司孝义铝矿 | Open mine ultrasonic atomization dust collector |
| CN205135694U (en) * | 2015-11-20 | 2016-04-06 | 淮南市矿用电器设备有限责任公司 | A automatic dust fall atomizer for coal mine transportation |
| CN206071500U (en) * | 2016-09-22 | 2017-04-05 | 安徽中金立华矿业工程有限公司 | A kind of sprayer unit for down-the-hole drill |
| CN206325737U (en) * | 2016-12-06 | 2017-07-14 | 曲周县和盛新型建筑材料有限公司 | A kind of construction site water injector |
| CN206981054U (en) * | 2017-07-18 | 2018-02-09 | 贵州大学 | A kind of atomizing de-dusting apparatus early stage for tunnel blasting construction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554658A (en) * | 2018-06-22 | 2018-09-21 | 贵州大学 | A kind of mine blasting device for reducing dust of adjustable spray angle |
| CN113175345A (en) * | 2021-05-28 | 2021-07-27 | 中交二航局第三工程有限公司 | Dust removal device for rapidly reducing dust concentration in tunnel |
| CN114210492A (en) * | 2021-11-12 | 2022-03-22 | 中铁十六局集团第四工程有限公司 | Cement waterproof coating spraying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107309111A (en) | A kind of early stage atomizing de-dusting apparatus constructed for tunnel blasting | |
| CN203816816U (en) | Double-layer spraying device | |
| CN206981054U (en) | A kind of atomizing de-dusting apparatus early stage for tunnel blasting construction | |
| RU2678218C1 (en) | Device for production of water mist in coal mine | |
| CN106378274A (en) | Material supply and paint mist recovery protective cover system and operation method of drag coating robot for ship outer plate | |
| CN207814934U (en) | A kind of air accumulator spraying system of fire fighting | |
| CN203867572U (en) | Dust suppression system of tunneling machine | |
| CN107387152B (en) | A kind of fully mechanized workface ladder subzone of atomization dust pelletizing system | |
| CN206215430U (en) | The material supply and paint mist recovery protection cover system of the drag coating robot for the outer plate of the ship | |
| CN108361030B (en) | A ring-wrapped dust suppression device for roadheaders | |
| CN206700997U (en) | It is a kind of to be used for architectural watering deashing device | |
| CN209510339U (en) | Pressure-air multitube concrete injection device | |
| CN205411974U (en) | Oil tank cooling water spray set | |
| CN204199358U (en) | A kind of excavation crushing engine being provided with depositing dust spraying atomizing device | |
| CN108261869A (en) | A kind of novel fog gun | |
| CN216198115U (en) | Preposed umbrella-shaped dust control device of cantilever excavator | |
| CN206499801U (en) | A kind of spray sand type fire fighting truck | |
| CN219570137U (en) | Dust removing device for hydraulic shovel | |
| WO2020038002A1 (en) | Assembled spray device for dust reduction | |
| CN206868471U (en) | A kind of environmental project sprayer unit | |
| CN110397413A (en) | Drilling orifice hybrid dust removal and noise reduction device, drilling equipment and working method | |
| CN207847682U (en) | One kind rotating adjustable atomizing de-dusting apparatus automatically | |
| CN109538249A (en) | A kind of pressure-air multitube concrete injection device | |
| CN210522089U (en) | Outdoor dust device for construction | |
| CN213684208U (en) | Broken atomizing device of liquid drop striking ultrasonic vibration wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171103 |