CN111141563A - Air quality acquisition device and method for mining safety engineering - Google Patents
Air quality acquisition device and method for mining safety engineering Download PDFInfo
- Publication number
- CN111141563A CN111141563A CN202010118845.6A CN202010118845A CN111141563A CN 111141563 A CN111141563 A CN 111141563A CN 202010118845 A CN202010118845 A CN 202010118845A CN 111141563 A CN111141563 A CN 111141563A
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- CN
- China
- Prior art keywords
- air
- vent
- pipe
- pneumatic
- piston
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Abstract
The invention discloses an air quality acquisition device and method for mining safety engineering. The pneumatic cylinders are fixed at the end parts of the two sides of the collecting tank, pneumatic rods on the pneumatic cylinders penetrate through the connecting holes, pistons are fixed at the end parts of the pneumatic rods, and the pistons and the inner wall of the cavity are arranged in a sealing mode. The air collecting device is provided with the collecting tank and the two pneumatic cylinders, the collecting tank can be filled with air to be collected by driving the piston to move up and down through the pneumatic cylinders, then the piston is driven to enable the air to be discharged from the vent pipe, the operation is simple, the sealing performance is high, a human body is not in contact with the air to be collected in the operation process, and the danger is avoided; meanwhile, the invention has simple structure, the connecting pipe can be extended into the collecting area by designing the connecting pipe, the randomness of collection is strong, and the detection result is more convincing.
Description
Technical Field
The invention relates to the field of mining air collection, in particular to an air quality collection device and method for mining safety engineering.
Background
The temperature and humidity of the air in the mine are determined primarily by the physicochemical properties of the minerals and rock formations, the depth of mining, the production process, geographical and geological factors. The main components of the air in the mine are oxygen, nitrogen, carbon dioxide and water vapor, and a large amount of harmful gases, such as gas, carbon monoxide, hydrogen sulfide, sulfur dioxide, nitrogen dioxide, ammonia gas, hydrogen, mine dust and the like, are mixed in the air.
In the prior art, the collection of mining air is generally manual collection, and the protective mask is worn to avoid inhaling toxic gas, but still the harm to people in different degrees can be caused, and the danger degree is high. In addition, the gas is extracted by the air extracting pump, the purpose is realized by directly utilizing a mechanical mode, but the popularization cannot be realized due to the problem of cost or space occupation, and the inconvenience is brought to the actual production.
Disclosure of Invention
In order to solve the defects mentioned in the background technology, the invention aims to provide an air quality acquisition device and method for mining safety engineering, the invention is provided with an acquisition tank and two pneumatic cylinders, the acquisition tank can be filled with air to be acquired by driving a piston to move up and down through the pneumatic cylinders, then the piston is driven to ensure that the air can be discharged from a vent pipe, the operation is simple, the sealing performance is strong, a human body does not contact with the air to be acquired in the operation process, and the danger is avoided;
meanwhile, the invention has simple structure, the connecting pipe can be extended into the collecting area by designing the connecting pipe, the randomness of collection is strong, and the detection result is more convincing.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an air quality collection system for mining safety engineering, includes the collection jar, open the inside of collection jar has the cavity, and the both ends lateral wall of collection jar all opens there is the connecting hole.
The pneumatic cylinders are fixed at the end parts of the two sides of the collecting tank, pneumatic rods on the pneumatic cylinders penetrate through the connecting holes, pistons are fixed at the end parts of the pneumatic rods, and the pistons and the inner wall of the cavity are arranged in a sealing mode.
The jar side wall of collection jar is fixed with two parallel distribution's breather pipe, and the outer wall of breather pipe has all opened annular groove, and open the bottom of breather pipe has a plurality of air vents.
The side of breather pipe all is provided with the connecting pipe, and the one end inner wall of connecting pipe all is provided with the annular circle with the sealed complex of annular groove.
Further, a rubber pad is arranged between the air pressure rod and the connecting hole.
Furthermore, the positions of the vent pipes are one higher and one lower, and the two vent pipes are arranged oppositely.
Further, the vent hole penetrates through the side wall of the tank body of the collecting tank and is communicated with the cavity.
Further, the diameter of the inner wall of the connecting pipe is equal to the diameter of the outer wall of the vent pipe.
A collection method of an air quality collection device for mining safety engineering comprises the following steps:
firstly, communicating an air pipe at the bottom end with air in a region to be collected, and communicating an air pipe at the upper end with a collecting tank;
driving the two pneumatic cylinders to enable the piston at the bottom end to be arranged in a cavity below the vent pipe at the bottom end and the piston at the upper end to be arranged in a cavity between the two vent pipes;
driving a pneumatic cylinder at the upper end, driving a piston at the upper end to move upwards until the position is close to a breather pipe at the upper end by a pneumatic rod, and filling air in a region to be collected in the cavity;
driving the two pneumatic cylinders simultaneously, and driving the two pistons to move upwards simultaneously by the pneumatic rod, wherein the piston at the upper end is arranged above the vent pipe at the upper end, and the piston at the lower end is arranged above the vent pipe at the lower end;
and fifthly, continuously driving the pneumatic cylinder at the lower end, and enabling the piston at the lower end to move upwards to enable air to enter the collecting tank from the vent pipe at the upper end to finish air collection.
The invention has the beneficial effects that:
the air collecting device is provided with the collecting tank and the two pneumatic cylinders, the collecting tank can be filled with air to be collected by driving the piston to move up and down through the pneumatic cylinders, then the piston is driven to enable the air to be discharged from the vent pipe, the operation is simple, the sealing performance is high, a human body is not in contact with the air to be collected in the operation process, and the danger is avoided;
meanwhile, the invention has simple structure, the connecting pipe can be extended into the collecting area by designing the connecting pipe, the randomness of collection is strong, and the detection result is more convincing.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of the construction of a collection tank of the present invention;
FIG. 4 is a schematic view of a connector tube of the present invention;
FIG. 5 is a schematic cross-sectional view of the overall structure of the present invention;
fig. 6 is a schematic cross-sectional view of the overall structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an air quality collection system for mining safety engineering, as shown in fig. 1 and 2, includes collection jar 1, and the inside of collection jar 1 is opened has cavity 11, and the both ends lateral wall of collection jar 1 all opens there is connecting hole 12.
The pneumatic cylinders 2 are fixed at the end parts of the two sides of the collecting tank 1, the pneumatic rods 21 on the pneumatic cylinders 2 penetrate through the connecting holes 12, and rubber pads are arranged between the pneumatic rods 21 and the connecting holes 12, so that the sealing performance is improved. The end of the pneumatic rod 21 is fixed with a piston 22, and the piston 22 is sealed with the inner wall of the cavity 11.
As shown in fig. 2 and 3, two vent pipes 13 are fixed on the side wall of the collection tank 1, the two vent pipes 13 are distributed in parallel, the positions of the vent pipes 13 are one higher and one lower, and the two vent pipes 13 are arranged oppositely. The outer wall of the vent pipe 13 is provided with an annular groove 1301, the bottom of the vent pipe 13 is provided with a plurality of vent holes 14, and the vent holes 14 penetrate through the side wall of the collection tank 1 and are communicated with the cavity 11.
As shown in fig. 2 and 4, the side ends of the vent pipes 13 are provided with the connecting pipes 3, the diameters of the inner walls of the connecting pipes 3 are equal to the diameter of the outer wall of the vent pipe 13, and the inner wall of one end of each connecting pipe 3 is provided with the annular ring 31 which is in sealing fit with the annular groove 1301, so that the sealing performance of the connection between the connecting pipes 3 and the vent pipes 13 is ensured.
When the collecting device is used, the air pipe 13 at one end is communicated with the air of the area to be collected, the air pipe 13 at the other end is communicated with the collecting tank, and the collected air is used for detecting the air quality.
An air quality acquisition method for mining safety engineering comprises the following steps:
firstly, communicating a vent pipe 13 at the bottom end with the air of a region to be collected, and communicating a vent pipe 13 at the upper end with a collecting tank;
secondly, as shown in fig. 2, the two pneumatic cylinders 2 are driven, so that the piston 22 at the bottom end is arranged in the cavity 11 below the vent pipe 13 at the bottom end, and the piston 22 at the upper end is arranged in the cavity 11 between the two vent pipes 13;
thirdly, the pneumatic cylinder 2 at the upper end is driven, the pneumatic rod 21 drives the piston 22 at the upper end to move upwards until the position is close to the vent pipe 13 at the upper end, and at the moment, the cavity 11 is filled with air of the area to be collected, as shown in fig. 5;
fourthly, the two pneumatic cylinders 2 are driven simultaneously, the pneumatic rod 21 drives the two pistons 22 to move upwards simultaneously, as shown in fig. 6, at this time, the piston 22 at the upper end is arranged at the upper position of the air pipe 13 at the upper end, and the piston 22 at the lower end is arranged at the upper position of the air pipe 13 at the lower end, as shown in fig. 6;
and fifthly, continuously driving the pneumatic cylinder 2 at the lower end, and enabling the piston 22 at the lower end to move upwards to enable air to enter the collecting tank from the air pipe 13 at the upper end, so that the air collection is completed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. The air quality acquisition device for the mining safety engineering comprises an acquisition tank (1), and is characterized in that a cavity (11) is formed in the acquisition tank (1), and connecting holes (12) are formed in the side walls of two ends of the acquisition tank (1);
the pneumatic cylinders (2) are fixed at the end parts of the two sides of the collecting tank (1), pneumatic rods (21) on the pneumatic cylinders (2) penetrate through the connecting holes (12), pistons (22) are fixed at the end parts of the pneumatic rods (21), and the pistons (22) and the inner wall of the cavity (11) are arranged in a sealing mode;
two vent pipes (13) which are distributed in parallel are fixed on the side wall of the collection tank (1), annular grooves (1301) are formed in the outer walls of the vent pipes (13), and a plurality of vent holes (14) are formed in the bottoms of the vent pipes (13);
the side of breather pipe (13) all is provided with connecting pipe (3), and the one end inner wall of connecting pipe (3) all is provided with annular groove (1301) seal fit's annular circle (31).
2. The mining safety engineering air quality collecting device as claimed in claim 1, wherein a rubber pad is arranged between the air pressure rod (21) and the connecting hole (12).
3. The mining safety engineering air quality collection device according to claim 1, wherein the positions of the vent pipes (13) are one high and one low, and the two vent pipes (13) are arranged oppositely.
4. The mining safety engineering air quality collection device of claim 1, wherein the vent hole (14) is communicated with the cavity (11) through the side wall of the collection tank (1).
5. The mining safety engineering air quality collection device according to claim 1, characterized in that the diameter of the inner wall of the connecting pipe (3) is equal to the diameter of the outer wall of the vent pipe (13).
6. The collection method of the air quality collection device for the mining safety engineering according to claim 1, characterized by comprising the following steps:
firstly, communicating a vent pipe (13) at the bottom end with air in an area to be collected, and communicating a vent pipe (13) at the upper end with a collection tank;
secondly, driving the two pneumatic cylinders (2) to enable the piston (22) at the bottom end to be arranged in the cavity (11) below the vent pipe (13) at the bottom end and the piston (22) at the upper end to be arranged in the cavity (11) between the two vent pipes (13);
thirdly, a pneumatic cylinder (2) at the upper end is driven, a piston (22) at the upper end is driven by a pneumatic rod (21) to move upwards until the position of a vent pipe (13) at the upper end is close to, and at the moment, the cavity (11) is filled with air in a region to be collected;
fourthly, the two pneumatic cylinders (2) are driven simultaneously, the pneumatic rod (21) drives the two pistons (22) to move upwards simultaneously, as shown in the figure (6), at the moment, the piston (22) at the upper end is arranged at the upper position of the vent pipe (13) at the upper end, and the piston (22) at the lower end is arranged at the upper position of the vent pipe (13) at the lower end;
and fifthly, continuously driving the pneumatic cylinder (2) at the lower end, and enabling the piston (22) at the lower end to move upwards to enable air to enter the collecting tank from the air pipe (13) at the upper end to finish air collection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118845.6A CN111141563A (en) | 2020-02-26 | 2020-02-26 | Air quality acquisition device and method for mining safety engineering |
| NL2025096A NL2025096B1 (en) | 2020-02-26 | 2020-03-11 | Gas extraction pipe applicable to upbound borehole tending to collapse background |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118845.6A CN111141563A (en) | 2020-02-26 | 2020-02-26 | Air quality acquisition device and method for mining safety engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111141563A true CN111141563A (en) | 2020-05-12 |
Family
ID=70528015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010118845.6A Pending CN111141563A (en) | 2020-02-26 | 2020-02-26 | Air quality acquisition device and method for mining safety engineering |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111141563A (en) |
| NL (1) | NL2025096B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341076A (en) * | 2021-06-15 | 2021-09-03 | 贵州省山地资源研究所 | Movable carbon dioxide monitoring device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206132458U (en) * | 2016-10-27 | 2017-04-26 | 李大伟 | Air quality collection system for safety engineering |
| CN107543743A (en) * | 2017-09-28 | 2018-01-05 | 苏州深安注册安全工程师事务所有限公司 | A kind of noxious air harvester |
| CN207197876U (en) * | 2017-10-11 | 2018-04-06 | 中和源泰（天津）环保科技有限公司 | A kind of gas collecting and detection means |
| CN208350472U (en) * | 2018-05-02 | 2019-01-08 | 天津泰达环境科技有限公司 | A kind of air pollutant collection device |
| CN208420471U (en) * | 2018-06-14 | 2019-01-22 | 南昌华标检测技术有限公司 | A kind of Detection of Air Quality acquisition device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747953B (en) * | 2012-03-06 | 2014-07-30 | 中国矿业大学 | Multiple step type drilling and protecting integrated system and process for soft coal seam |
| CN102587828B (en) * | 2012-03-06 | 2013-12-04 | 中国矿业大学 | Gas extraction and drilling cooperative drilling and protecting integrated system for soft coal seams and process |
| CN203939519U (en) * | 2014-04-10 | 2014-11-12 | 河南理工大学 | Brill is taken out integrated apparatus |
| CN109653722A (en) * | 2019-01-21 | 2019-04-19 | 中煤科工集团重庆研究院有限公司 | A kind of mash gas extraction device and method of coal seam hydraulic slotted liner technique and the linkage of lower screen casing |
| CN109653788B (en) * | 2019-03-05 | 2023-08-29 | 安徽理工大学 | Gas extraction pipe suitable for easy-collapse up-hole drilling |
| CN209557031U (en) * | 2019-03-05 | 2019-10-29 | 安徽理工大学 | A kind of gas drainage pipe suitable for the drilling of easy slump uplink |
| CN209855851U (en) * | 2019-05-08 | 2019-12-27 | 安徽理工大学 | Gas extraction pipe with spiral front end capable of being rapidly conveyed into drilled hole |
-
2020
- 2020-02-26 CN CN202010118845.6A patent/CN111141563A/en active Pending
- 2020-03-11 NL NL2025096A patent/NL2025096B1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206132458U (en) * | 2016-10-27 | 2017-04-26 | 李大伟 | Air quality collection system for safety engineering |
| CN107543743A (en) * | 2017-09-28 | 2018-01-05 | 苏州深安注册安全工程师事务所有限公司 | A kind of noxious air harvester |
| CN207197876U (en) * | 2017-10-11 | 2018-04-06 | 中和源泰（天津）环保科技有限公司 | A kind of gas collecting and detection means |
| CN208350472U (en) * | 2018-05-02 | 2019-01-08 | 天津泰达环境科技有限公司 | A kind of air pollutant collection device |
| CN208420471U (en) * | 2018-06-14 | 2019-01-22 | 南昌华标检测技术有限公司 | A kind of Detection of Air Quality acquisition device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341076A (en) * | 2021-06-15 | 2021-09-03 | 贵州省山地资源研究所 | Movable carbon dioxide monitoring device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2025096B1 (en) | 2021-03-30 |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200512 |
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| RJ01 | Rejection of invention patent application after publication |