CN105241414B - A kind of piping lane venting of dust explosion spacing measure device and its assay method - Google Patents
A kind of piping lane venting of dust explosion spacing measure device and its assay method Download PDFInfo
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- CN105241414B CN105241414B CN201510686136.7A CN201510686136A CN105241414B CN 105241414 B CN105241414 B CN 105241414B CN 201510686136 A CN201510686136 A CN 201510686136A CN 105241414 B CN105241414 B CN 105241414B
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Abstract
The present invention relates to a kind of piping lane venting of dust explosion spacing measure device and its assay method, measure device includes vavuum pump, knob valve, piping lane, venting of dust explosion mouth, well lid, weight thing, pressure gauge, igniter, gas bomb, knob valve, pressure-reducing valve, pressure gauge and knob valve；Vavuum pump is connected with knob valve, and the other end of knob valve is connected with piping lane, and the opening as venting of dust explosion mouth is provided with piping lane, is additionally provided with well lid and weight thing on piping lane, well lid covers venting of dust explosion mouth；There are first pressure table and igniter on piping lane, knob valve, pressure-reducing valve and second pressure gauge are set gradually on gas bomb, gas bomb is connected by knob valve with piping lane.It can determine suitable venting of dust explosion spacing, so as to meet the requirement of venting of dust explosion safety, while the less requirement for setting venting of dust explosion mouth to reach economy again.
Description
Technical field
The invention belongs to long and narrow space gas burst technical field, is related to a kind of piping lane venting of dust explosion spacing measure device and its survey
Determine method.
Background technology
As urbanization process is accelerated so that City Buried Pipeline apart from densely populated places such as residential block, factory and schools and
Again Important building it is more and more nearer, and crisscross, complicated underground pipe gallery laid oil gas, combustion gas etc. it is a variety of important and
Dangerous pipeline, once blast accident occurs, huge casualties and severe social influence, the hair of these accidents will be caused
It is raw to expose City Buried Pipeline safe distance not foot phenomenon generally existing, and although country puts into effect relevant laws and regulations measure, but
Due to rectification involve many areas, rectification fund is difficult to implement, thus the problem of oil-gas pipeline safe distance deficiency will long-term existence,
And when oil and gas leakage to piping lane and assembles blast, necessarily the safety of the people is constituted a serious threat.In order to reduce due to letting out
The fuel gas of leakage assembles blast in piping lane and periphery is produced serious casualties, and intends by increasing venting of dust explosion mouth on underground pipe gallery,
Immense pressure caused by blast of releasing is oriented, because there is the unified well lid of setting standard on existing underground pipe gallery, how
It is determined that suitable venting of dust explosion mouth spacing, so as to meet venting of dust explosion safety, and economic requirement is then urgent problem to be solved.
Existing research has carried out numerous studies to cylindrical tube venting of dust explosion characteristic and device, such as on venting of dust explosion mode to venting of dust explosion pressure
The discussion that power influences, the research such as influenceed on explosion venting area on cylindrical container venting of dust explosion pressure process, but not to buried pipe
Corridor determines that suitable venting of dust explosion spacing is studied, for this reason, it may be necessary to a kind of piping lane venting of dust explosion spacing measure device and its assay method, solution
The certainly above mentioned problem in the presence of prior art, suitable venting of dust explosion spacing can be determined, so as to meet wanting for venting of dust explosion safety
Ask, while the less requirement for setting venting of dust explosion mouth to reach economy again.
The content of the invention
It is an object of the invention to provide a kind of piping lane venting of dust explosion spacing measure device and its assay method, can determine
Suitable venting of dust explosion spacing, so as to meet the requirement of venting of dust explosion safety, while the less requirement for setting venting of dust explosion mouth to reach economy again.
To achieve the above object, the present invention provides a kind of piping lane venting of dust explosion spacing measure device, including vavuum pump, knob valve,
Piping lane, venting of dust explosion mouth, well lid, weight thing, pressure gauge, igniter, gas bomb, knob valve, pressure-reducing valve, pressure gauge and knob valve；Very
Empty pump is connected with knob valve, and the other end of knob valve is connected with piping lane, and the opening as venting of dust explosion mouth, piping lane are provided with piping lane
On be additionally provided with well lid and weight thing, well lid covers venting of dust explosion mouth；There are first pressure table and igniter on piping lane, set successively on gas bomb
Knob valve, pressure-reducing valve and second pressure gauge are put, gas bomb is connected by knob valve with piping lane.
In above scheme preferably, vavuum pump is connected by conduit with knob valve.
It may also be preferred that piping lane is set to cuboid piping lane.
It may also be preferred that the quantity of the venting of dust explosion mouth set on piping lane is at least two.
It may also be preferred that the distance between venting of dust explosion mouth is equal.
It may also be preferred that the size of venting of dust explosion mouth is identical.
The assay method of the piping lane venting of dust explosion spacing measure device of the present invention, comprises the following steps：The first step, by piping lane
All venting of dust explosion mouths are blocked with well lid and use weight thing to be compacted；Second step, open knob valve and vacuumized piping lane with vavuum pump,
So that the pressure of pressure gauge reaches the fuel gas to be filled and reaches the pressure of optimal proportion at ambient pressure with air burst power
Power, then close knob valve and vavuum pump；3rd step, opening that knob valve, pressure-reducing valve and knob valve carry out being filled with into piping lane can
Combustion gas body；4th step, when the pressure gauge in piping lane reaches the atmospheric pressure of setting, sequentially close knob valve, pressure-reducing valve and knob
Valve, stand the period of setting；5th step, removes the weight thing on the venting of dust explosion mouth farthest apart from igniter and well lid, opening are let out
Seam broken, while remove the weight thing on all well lids；6th step, fuel gas is lighted with igniter；7th step, if blast does not have
Have and cause the well lid on other venting of dust explosion mouths to remove venting of dust explosion mouth, then venting of dust explosion spacing is the two of the distance between venting of dust explosion mouth and igniter
Times；Conversely, then repeat the above-mentioned first step to the 7th step, when proceeding to five steps, successively chosen distance closer to venting of dust explosion mouth.
Compared with prior art, the present invention has advantages below：
The invention provides a kind of piping lane venting of dust explosion spacing measure device and its assay method, can determine suitably to let out
Quick-fried spacing, so as to meet the requirement of venting of dust explosion safety, while the less requirement for setting venting of dust explosion mouth to reach economy again；It is applied to narrow
Long spacing gas burst field, especially piping lane gas burst field, it is determined piping lane by way of experiment and is full of combustible gas
Venting of dust explosion spacing during body, so as to reduce the power of blast, while the hole on increase piping lane as few as possible；It is for existing
There is technology that without venting of dust explosion measure, the purpose that suitable venting of dust explosion mouth spacing reaches safety economy can be calculated for underground pipe gallery, for
It is significant to mitigate underground pipe gallery explosion hazard.
Brief description of the drawings
Fig. 1 is the structural representation of the piping lane venting of dust explosion spacing measure device of the present invention.
1 is vavuum pump, and 2 be conduit, and 3 be knob valve, and 4 be piping lane, and 5 be venting of dust explosion mouth, and 6 be well lid, and 7 be weight thing, and 8 be pressure
Power table, 9 be igniter, and 10 be gas bomb, and 11 be knob valve, and 12 be pressure-reducing valve, and 13 be pressure gauge, and 14 be knob valve.
Embodiment
For a better understanding of the present invention, the present invention is explained in detail with reference to specific embodiment.It is clear that
Different modifications can be carried out to the present invention with remodeling and without departing from the broader spirit of the invention and model of appended claims
Enclose.Therefore, following examples have exemplary without the implication of limitation.
Embodiment：
A kind of piping lane venting of dust explosion spacing determines device, including vavuum pump 1, knob valve 3, piping lane 4, venting of dust explosion mouth 5, well lid 6, weight
Thing 7, pressure gauge 8, igniter 9, gas bomb 10, knob valve 11, pressure-reducing valve 12, pressure gauge 13 and knob valve 14；Vavuum pump 1 and rotation
Button valve 3 is connected, and the other end of knob valve 3 is connected with piping lane 4, is provided with opening as venting of dust explosion mouth 5 on piping lane 4, on piping lane 4
Well lid 6 and weight thing 7 are additionally provided with, well lid 6 covers venting of dust explosion mouth 5；There are first pressure table 8 and igniter 9, gas bomb 10 on piping lane 4
On set gradually knob valve 11, pressure-reducing valve 12 and second pressure gauge 13, gas bomb 10 is connected by knob valve 14 with piping lane 4.
In the above-described embodiments, vavuum pump 1 is connected by conduit 2 with knob valve 3.Piping lane 4 is set to cuboid piping lane.Pipe
The quantity of the venting of dust explosion mouth 5 set on corridor 4 is at least two.The distance between venting of dust explosion mouth 5 is equal.The size of venting of dust explosion mouth 5 is identical.
The assay method of the piping lane venting of dust explosion spacing measure device of the present invention, comprises the following steps：The first step, by piping lane 4
All venting of dust explosion mouths 5 blocked with well lid 6 and be compacted with weight thing 7；Second step, open knob valve 3 and entered piping lane 4 with vavuum pump 1
Row vacuumizes so that the pressure of pressure gauge 8 reaches the fuel gas to be filled and reached at ambient pressure most with air burst power
The pressure of good ratio, then close knob valve 3 and vavuum pump 1；3rd step, open knob valve 11, pressure-reducing valve 12 and knob valve 14
Carry out being filled with fuel gas into piping lane 4；4th step, when the pressure gauge 8 in piping lane 4 reaches the atmospheric pressure of setting, sequentially close
Knob valve 14, pressure-reducing valve 12 and knob valve 11 are closed, stands the period of setting；5th step, remove and let out apart from igniter 9 is farthest
Weight thing 7 and well lid 6 in seam broken 5, venting of dust explosion mouth 5 is opened, while remove the weight thing 7 on all well lids 6；6th step, is used a little
Firearm 9 lights fuel gas；7th step, if blast removes venting of dust explosion mouth 5 without the well lid 6 caused on other venting of dust explosion mouths 5, let out
Quick-fried spacing is twice of the distance between venting of dust explosion mouth 5 and igniter 9；Conversely, then repeating the above-mentioned first step to the 7th step, carrying out
During to five steps, successively chosen distance closer to venting of dust explosion mouth 5.
The piping lane venting of dust explosion spacing measure device of the present invention, as shown in figure 1, the use of well lid 6 can cover venting of dust explosion mouth 5 with interior
The serum cap of high temperature and elasticity；As the well lid weight of reality, weight thing 7 is pressed on the mouth position of well lid 6 well lid 6, is protected
The oral area for demonstrate,proving well lid 6 is closed.Gas bomb 10 is used to store fuel gas.
The assay method of the piping lane venting of dust explosion spacing measure device of the present invention, such as methane is calculated between underground pipe gallery venting of dust explosion
Away from progress small-scale experiment, carrying out diminution device according to 1: 10 ratio reduces brisance, it is ensured that measuring process is pacified
Entirely, the assay method of its piping lane venting of dust explosion spacing measure device, comprises the following steps：The first step, will be all on 10m piping lane 4
Diameter 0.1m venting of dust explosion mouth 5 is blocked with weight 0.5kg well lid 6 and is compacted with weight 10kg weight thing 7；Second step, open
Knob valve 3, piping lane 4 is vacuumized with vavuum pump 1 so that the pressure of pressure gauge 8 reaches 0.09Mpa, then closes knob
Valve 3 and vavuum pump 1；3rd step, knob valve 11, pressure-reducing valve 12 and knob valve 14 are opened, methane is filled with into piping lane 4；4th step,
When the pressure gauge 8 in piping lane 4 reaches 0.1Mpa, knob valve 14, pressure-reducing valve 12 and knob valve 11 are closed successively, stands setting
Period；5th step, remove on the venting of dust explosion mouth 5 of igniter 9, i.e., the weight thing on the venting of dust explosion mouth 5 that igniter 9 is 9m
7 and well lid 6, the venting of dust explosion mouth 6 is opened, while remove the weight thing 7 on every other well lid 6；6th step, lighted with igniter 9
Carry out explosion test；7th step, if exploding the removal venting of dust explosion of well lid 6 mouth 5 that can not cause on other venting of dust explosion mouths 5, between venting of dust explosion
Away from being 180m；Conversely, then repeating the above-mentioned first step to the 7th step, when proceeding to five steps, chosen distance is farther successively lets out
Seam broken 5.
The piping lane venting of dust explosion spacing measure device and its assay method of the present invention, has following features：(1) underground pipe gallery 4
Shape can be cuboid；(2) size of venting of dust explosion mouth 5 is certain, and is all located at surface；(3) venting of dust explosion mode is perforate and superpressure
Release and be used in mixed way.It can calculate the suitable spacing of venting of dust explosion mouth 5, to reach the purpose of safety economy.
Claims (6)
1. a kind of assay method of piping lane venting of dust explosion spacing measure device, the measure device include vavuum pump（1）, the first knob valve
（3）, piping lane（4）, venting of dust explosion mouth（5）, well lid（6）, weight thing（7）, pressure gauge（8）, igniter（9）, gas bomb（10）, second rotation
Button valve（11）, pressure-reducing valve（12）, pressure gauge（13）With the 3rd knob valve（14）；It is characterized in that：Vavuum pump（1）With the first knob
Valve（3）It is connected, the first knob valve（3）The other end and piping lane（4）It is connected, in piping lane（4）It is provided with and is used as venting of dust explosion mouth（5）'s
Opening, piping lane（4）On be additionally provided with well lid（6）With weight thing（7）, well lid（6）Cover venting of dust explosion mouth（5）；Piping lane（4）On have the first pressure
Power table（8）And igniter（9）, gas bomb（10）On set gradually the second knob valve（11）, pressure-reducing valve（12）And second pressure gauge
（13）, gas bomb（10）Pass through the 3rd knob valve（14）With piping lane（4）It is connected；
The assay method comprises the following steps：The first step, by piping lane（4）On all venting of dust explosion mouths（5）Use well lid（6）Closure is simultaneously
With weight thing（7）Compacting；Second step, open the first knob valve（3）Use vavuum pump（1）By piping lane（4）Vacuumized so that pressure
Power table（8）Pressure reach the fuel gas to be filled and air burst power and reach the pressure of optimal proportion at ambient pressure,
Then close knob valve（3）And vavuum pump（1）；3rd step, open the second knob valve（11）, pressure-reducing valve（12）With the 3rd knob valve
（14）To piping lane（4）In carry out being filled with fuel gas；4th step, works as piping lane（4）In pressure gauge（8）Reach the atmospheric pressure of setting
When, sequentially close knob valve（14）, pressure-reducing valve（12）With the second knob valve（11）, stand period of setting；5th step, is removed
Apart from igniter（9）Farthest venting of dust explosion mouth（5）On weight thing（7）And well lid（6）, open from igniter（9）Farthest venting of dust explosion
Mouthful（5）, while remove all well lids（6）On weight thing（7）；6th step, uses igniter（9）Light fuel gas；7th step,
If blast is without so that other venting of dust explosion mouths
（5）On well lid（6）Remove other venting of dust explosion mouths（5）, then venting of dust explosion spacing is from igniter（9）Farthest venting of dust explosion mouth（5）With
Igniter（9）The distance between twice；Conversely, the above-mentioned first step is then repeated to the 7th step, when proceeding to five steps, successively
Chosen distance closer to other venting of dust explosion mouths（5）.
2. the assay method of piping lane venting of dust explosion spacing measure device as claimed in claim 1, it is characterised in that：Vavuum pump（1）It is logical
Cross conduit（2）With the first knob valve（3）It is connected.
3. the assay method of piping lane venting of dust explosion spacing measure device as claimed in claim 1, it is characterised in that：Piping lane（4）It is set to
Cuboid piping lane.
4. the assay method of piping lane venting of dust explosion spacing measure device as claimed in claim 1, it is characterised in that：Piping lane（4）On set
The venting of dust explosion mouth put（5）Quantity be at least two.
5. the assay method of piping lane venting of dust explosion spacing measure device as claimed in claim 4, it is characterised in that：Venting of dust explosion mouth（5）It
Between distance it is equal.
6. the assay method of piping lane venting of dust explosion spacing measure device as claimed in claim 4, it is characterised in that：Venting of dust explosion mouth（5）'s
Size is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510686136.7A CN105241414B (en) | 2015-10-21 | 2015-10-21 | A kind of piping lane venting of dust explosion spacing measure device and its assay method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510686136.7A CN105241414B (en) | 2015-10-21 | 2015-10-21 | A kind of piping lane venting of dust explosion spacing measure device and its assay method |
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| Publication Number | Publication Date |
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| CN105241414A CN105241414A (en) | 2016-01-13 |
| CN105241414B true CN105241414B (en) | 2018-02-23 |
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| CN201510686136.7A Active CN105241414B (en) | 2015-10-21 | 2015-10-21 | A kind of piping lane venting of dust explosion spacing measure device and its assay method |
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| CN106917414B (en) * | 2017-01-22 | 2021-01-01 | 南京泽楚科技有限公司 | Utility tunnel who explodes is let out through rainwater regulation cabin |
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| US6551015B1 (en) * | 2000-07-25 | 2003-04-22 | Department Of Water And Power City Of Los Angeles | Method of and system for venting out buildup of explosive gases in a manhole |
| CN104502208A (en) * | 2014-11-25 | 2015-04-08 | 徐州工程学院 | Explosion venting door experiment and testing equipment |
| CN104614260A (en) * | 2015-01-27 | 2015-05-13 | 中国矿业大学(北京) | Method and system for obtaining detonation gas pressure effect data |
| CN205002764U (en) * | 2015-10-21 | 2016-01-27 | 中国石油化工股份有限公司 | Piping lane is let out and is exploded interval survey device |
-
2015
- 2015-10-21 CN CN201510686136.7A patent/CN105241414B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6551015B1 (en) * | 2000-07-25 | 2003-04-22 | Department Of Water And Power City Of Los Angeles | Method of and system for venting out buildup of explosive gases in a manhole |
| CN104502208A (en) * | 2014-11-25 | 2015-04-08 | 徐州工程学院 | Explosion venting door experiment and testing equipment |
| CN104614260A (en) * | 2015-01-27 | 2015-05-13 | 中国矿业大学(北京) | Method and system for obtaining detonation gas pressure effect data |
| CN205002764U (en) * | 2015-10-21 | 2016-01-27 | 中国石油化工股份有限公司 | Piping lane is let out and is exploded interval survey device |
Non-Patent Citations (1)
| Title |
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| 初始压力对容器通过导管泄爆过程的影响;张庆武等;《化工学报》;20140430;第65卷(第4期);第1544-1550页 * |
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| CN105241414A (en) | 2016-01-13 |
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Effective date of registration: 20221114 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec Safety Engineering Research Institute Co.,Ltd. Patentee after: Sinopec management system certification (Qingdao) Co.,Ltd. Address before: 100728 No. 22, Chaoyangmen Avenue, Chaoyang District, Beijing Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC Research Institute OF SAFETY ENGINEERING |
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