CN107143366A - A kind of parallel experimental device for ventilation - Google Patents
A kind of parallel experimental device for ventilation Download PDFInfo
- Publication number
- CN107143366A CN107143366A CN201710568839.9A CN201710568839A CN107143366A CN 107143366 A CN107143366 A CN 107143366A CN 201710568839 A CN201710568839 A CN 201710568839A CN 107143366 A CN107143366 A CN 107143366A
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- China
- Prior art keywords
- airduct
- parallel
- experimental device
- ventilation
- tube
- 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
- 238000009423 ventilation Methods 0.000 title claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims description 9
- 229920005479 Lucite® Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/02—Test models
Abstract
The invention discloses a kind of parallel experimental device for ventilation, it is characterised in that：Include airduct（7）With blower fan (9) and Pitot tube（2）, connection flexible pipe（3）, tilt differential manometer（4）, control valve（5）, airduct（7）In y-type structure, airduct（7）Number is 2, the airduct of 2 Y types（7）Parallel port end pass through blower fan（9）Connection, airduct（7）Tube wall opens up gaging hole（1）, Pitot tube（2）Pass through gaging hole（1）Enter Gas inlet tube（7）It is interior, tilt differential manometer（4）With Pitot tube（2）Connection, airduct（7）In one group or two groups pipeline in parallel on airflow regulating switch is set respectively.
Description
Technical field
The invention belongs to mining industry or industrial ventilation experimental provision field, and in particular to a kind of parallel experimental device for ventilation.
Background technology
Colliery is one of domestic main energy sources, and in the recovery process in colliery, the prevention of mine gas is most important
's.It is the displacement and displacement that face air is operated using the method for ventilation in process of coal mining, for ventilation process apoplexy
Influence of the control of amount and wind speed to whole engineering is obvious.In mine ventilation, because air quantity and wind speed do not reach
It is required that gas exceeding limit can be caused, there is very big potential safety hazard to staff and appliance arrangement.And a large amount of conveyings of air quantity, lead
Extravagance and waste are caused, its economic benefit is influenceed.
In industrial ventilation, because ventilation does not reach requirement, dust and pernicious gas harm safety of workers and health, air quantity mistake
Greatly, cause the electricity charge to increase, influence its economic benefit.
The content of the invention
The technical problem to be solved in the present invention is：A kind of parallel experimental device for ventilation is provided, realizes and is opened in simulation mine
The control of ventilation and ventilation speed in being tested with industrial ventilation is adopted, gas is prevented and the injury caused of transfiniting, it is ensured that open in colliery
Adopt with industrial security and economy, to solve problems of the prior art.
The technical scheme is that：A kind of parallel experimental device for ventilation, comprising airduct and blower fan and Pitot tube, connects
Connect flexible pipe, tilt differential manometer, control valve, airduct is in y-type structure, airduct number is the parallel pipeline device of 2 groups of Y types, 2 Y
The parallel port end of the airduct of type is connected by blower fan, and airduct tube wall opens up gaging hole, and Pitot tube is entered in Gas inlet tube by gaging hole, is tilted micro-
Pressure meter is connected with Pitot tube, and one in airduct group or two groups of pipelines in parallel set airflow regulating switch respectively.
Described airduct is made up of the lucite tube for being provided with gaging hole.
The diameter of described lucite tube is identical or different.
Described inclination differential manometer can be replaced by differential manometer or do not replaced.
Described blower fan is replaced by pressure-vaccum two-purpose dust collector, and dust collector hose is connected with airduct.
The quantity of gaging hole on described airduct tube wall is more than 6.
Above-mentioned Pitot tube with differential manometer or inclination differential manometer is linked together by rubber tube.
A kind of parallel experimental device for ventilation, the ventilation unit mainly combined by pipeline, blower fan.The device can be used
To simulate the blast determined in mine ventilation and industrial ventilation in mine laneway and industrial ventilation pipeline（Static pressure, dynamic pressure, total head）、
Wind speed, air quantity, flowing resistance and coefficient of frictional resistance.
Aperture is provided with described pipeline, by the effect of blower fan, the parallel pipeline air intake on the left of blower fan is provided with pipeline
Multiple apertures, are used as the gaging hole of wind speed etc..Airflow regulating switch is installed on two parallel transistors, for adjusting in respective pipe
Air quantity.By airflow regulating switch, wind speed in two parallel transistors, air quantity, dynamic pressure can be adjusted.Parallel transistor deferent on the right side of blower fan
Two mouth of pipe air-out；Equally it is provided with multiple apertures on pipeline, aperture is used as placing be connected with differential manometer or differential manometer complete
Trustship carries out the gaging hole of wind speed, blast etc..
Beneficial effects of the present invention：Compared with prior art, the present invention is connected section, operation side using glass tube with dust catcher
Method and making are all simple and convenient, and experimental facilities manufacturing cost is low, and testing expense is low, and plant maintenance is convenient and maintenance cost is low,
Device also has the characteristics of simple in construction and measurement data is accurate.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of airflow regulating switch 5.
In figure：1 --- gaging hole, 2 --- Pitot tube, 3 --- connection flexible pipe, 4 --- tilting differential manometer, 5 --- are adjusted by air quantity
Section switch, 7 --- pipeline, 8 --- dust collector hose, 9 --- blower fan.
Embodiment
As shown in figure 1, a kind of parallel experimental device for ventilation, includes airduct 7 and blower fan 9 and Pitot tube 2, connection flexible pipe
3rd, differential manometer 4, control valve 5 are tilted, airduct 7 is in y-type structure, and the number of airduct 7 is 2, and the parallel port end of the airduct 7 of 2 groups of Y types leads to
Cross blower fan 9 to connect, the tube wall of airduct 7 opens up gaging hole 1, as determine pipeline in wind speed, blast, air quantity, windage gaging hole；Pitot
Pipe 2 is entered in Gas inlet tube 7 by gaging hole 1, is tilted differential manometer 4 and is connected with Pitot tube 2, two in airduct 7 pipeline difference in parallel
Airflow regulating switch is set.Airduct 7 is made up of the lucite tube for being provided with gaging hole 1.The diameter of described lucite tube is identical
Or it is different.Described inclination differential manometer 4 is replaced by differential manometer.Blower fan 9 is replaced by dust catcher, and dust collector hose 8 connects with airduct 7
It is logical.The quantity of gaging hole 1 on the tube wall of airduct 7 is 6 or more than more than 6.
Below in conjunction with the accompanying drawings and specific embodiment to invention further introduced.
Case study on implementation：Pitot tube as shown in Figure 1 is positioned in ventilation shaft, in face of wind direction, by flexible pipe and
Differential manometer is connected, and can determine a kind of parallel experimental device for ventilation pipeline（The parallel mine roadway or work of simulation
Industry ventilation shaft）Interior blast（Move oh, static pressure, total head）, according to the size of ventilation shaft, and corresponding formula calculates mine well
Wind speed, air quantity, windage and coefficient of frictional resistance in lane or airduct.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of parallel experimental device for ventilation, it is characterised in that：Include airduct（7）With blower fan (9) and Pitot tube（2）, even
Connect flexible pipe（3）, tilt differential manometer（4）, control valve（5）, airduct（7）In y-type structure, airduct（7）Number is 2,2 Y types
Airduct（7）Parallel port end pass through blower fan（9）Connection, airduct（7）Tube wall opens up gaging hole（1）, Pitot tube（2）Pass through gaging hole（1）Enter
Gas inlet tube（7）It is interior, tilt differential manometer（4）With Pitot tube（2）By connecting flexible pipe（3）It is connected, airduct（7）In two parallel connections
Pipeline airflow regulating switch is set respectively.
2. a kind of parallel experimental device for ventilation according to claim 1, it is characterised in that：Airduct（7）By being provided with gaging hole
（1）Lucite tube composition.
3. a kind of parallel experimental device for ventilation according to claim 2, it is characterised in that：Described lucite tube
Diameter is identical or different.
4. a kind of parallel experimental device for ventilation according to claim 1, it is characterised in that：Described inclination differential manometer
（4）It can be replaced or do not replaced by differential manometer.
5. a kind of parallel experimental device for ventilation according to claim 1, it is characterised in that：Blower fan（9）It is dual-purpose by pressure-vaccum
Dust catcher is replaced, dust collector hose（8）With airduct（7）Connection.
6. a kind of parallel experimental device for ventilation according to claim 1, it is characterised in that：Airduct（7）Survey on tube wall
Hole（1）Quantity be more than 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568839.9A CN107143366A (en) | 2017-07-13 | 2017-07-13 | A kind of parallel experimental device for ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568839.9A CN107143366A (en) | 2017-07-13 | 2017-07-13 | A kind of parallel experimental device for ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107143366A true CN107143366A (en) | 2017-09-08 |
Family
ID=59776304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710568839.9A Pending CN107143366A (en) | 2017-07-13 | 2017-07-13 | A kind of parallel experimental device for ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987349A (en) * | 2019-11-22 | 2020-04-10 | 安徽理工大学 | Experimental device for inducing mine roadway branch airflow disorder by coal and gas outburst |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1645547A1 (en) * | 1987-11-26 | 1991-04-30 | Институт Горного Дела Ан Казсср | Method of producing a ventilation network |
| CN103590848A (en) * | 2013-11-28 | 2014-02-19 | 化工部长沙设计研究院 | Brattice-less machine stand ventilation performance study device and method |
| CN204738831U (en) * | 2015-06-17 | 2015-11-04 | 中国矿业大学银川学院 | Mine simulation air pipeline test equipment |
| CN105067220A (en) * | 2015-09-11 | 2015-11-18 | 中国矿业大学 | Mine ventilation network system experimental device and method |
| CN204877524U (en) * | 2015-08-18 | 2015-12-16 | 兰州资源环境职业技术学院 | Can dismantle and to make up formula tunnel windage, wind pressure, real device of instructing of amount of wind survey |
| CN207568641U (en) * | 2017-07-13 | 2018-07-03 | 贵州大学 | A kind of parallel experimental device for ventilation |
-
2017
- 2017-07-13 CN CN201710568839.9A patent/CN107143366A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1645547A1 (en) * | 1987-11-26 | 1991-04-30 | Институт Горного Дела Ан Казсср | Method of producing a ventilation network |
| CN103590848A (en) * | 2013-11-28 | 2014-02-19 | 化工部长沙设计研究院 | Brattice-less machine stand ventilation performance study device and method |
| CN204738831U (en) * | 2015-06-17 | 2015-11-04 | 中国矿业大学银川学院 | Mine simulation air pipeline test equipment |
| CN204877524U (en) * | 2015-08-18 | 2015-12-16 | 兰州资源环境职业技术学院 | Can dismantle and to make up formula tunnel windage, wind pressure, real device of instructing of amount of wind survey |
| CN105067220A (en) * | 2015-09-11 | 2015-11-18 | 中国矿业大学 | Mine ventilation network system experimental device and method |
| CN207568641U (en) * | 2017-07-13 | 2018-07-03 | 贵州大学 | A kind of parallel experimental device for ventilation |
Non-Patent Citations (1)
| Title |
|---|
| 邵强 等: "《职业病危害卫生工程控制技术及识图》" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987349A (en) * | 2019-11-22 | 2020-04-10 | 安徽理工大学 | Experimental device for inducing mine roadway branch airflow disorder by coal and gas outburst |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170908 |