CN205002764U - Piping lane is let out and is exploded interval survey device - Google Patents
Piping lane is let out and is exploded interval survey device Download PDFInfo
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- CN205002764U CN205002764U CN201520817449.7U CN201520817449U CN205002764U CN 205002764 U CN205002764 U CN 205002764U CN 201520817449 U CN201520817449 U CN 201520817449U CN 205002764 U CN205002764 U CN 205002764U
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Abstract
The utility model relates to a piping lane is let out and is exploded interval survey device, the survey device includes vacuum pump, knob valve, piping lane, lets out the seam broken, well lid, heavy load thing, manometer, some firearm, gas bomb, knob valve, relief pressure valve, manometer and knob valve, the vacuum pump is connected with the knob valve, and the other end of knob valve links to each other with the piping lane, is equipped with on the piping lane as letting out the opening of seam broken, still is equipped with well lid and heavy load thing on the piping lane, and the well lid covers lets out the seam broken, having first manometer on the piping lane and putting the firearm, set gradually knob valve, relief pressure valve and second manometer on the gas bomb, the gas bomb is connected with the piping lane through the knob valve. It can confirm that suitable letting out explode the interval to satisfying to let out and exploding safe requirement, the requirement that the seam broken reaches economic nature is let out in less setting again simultaneously.
Description
Technical field
The utility model belongs to long and narrow space gas burst technical field, relates to a kind of piping lane venting of dust explosion spacing determinator.
Background technology
Along with urbanization process is accelerated, make City Buried Pipeline distance residential block, the densely populated place such as factory and school and Important building more and more nearer, and it is crisscross, complicated underground pipe gallery has laid oil gas, the multiple important and dangerous pipeline such as combustion gas, once generation blast accident, huge casualties and severe social influence will be caused, these accidents expose City Buried Pipeline safe distance not foot phenomenon ubiquity, although and country puts into effect relevant laws and regulations measure, but because rectification involves 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 assembles blast to piping lane, must constitute a serious threat to the safety of the people.In order to the inflammable gas reduced owing to leaking assembles blast at piping lane, periphery is produced serious casualties, intend by increasing venting of dust explosion mouth on underground pipe gallery, orientation release blast produce immense pressure, because the well lid that existing underground pipe gallery has the standard of setting unified, so how to determine suitable venting of dust explosion mouth spacing, thus can meet venting of dust explosion safety, and the requirement of economy is then problem demanding prompt solution.
Existing research has carried out large quantity research to cylindrical tube venting of dust explosion characteristic and device, as the discussion affected venting pressure about venting of dust explosion mode, as the research affected cylindrical container venting of dust explosion pressure process about explosion venting area, but but underground pipe gallery is not determined that suitable venting of dust explosion spacing is studied, for this reason, need a kind of piping lane venting of dust explosion spacing determinator, solve the problems referred to above existing in prior art, suitable venting of dust explosion spacing can be determined, thus meet the requirement of venting of dust explosion safety, simultaneously less again the requirement that venting of dust explosion mouth reaches economy is set.
Utility model content
The purpose of this utility model is to provide a kind of piping lane venting of dust explosion spacing determinator, can determine suitable venting of dust explosion spacing, thus meet the requirement of venting of dust explosion safety, simultaneously lessly again arranges the requirement that venting of dust explosion mouth reaches economy.
For achieving the above object, the utility model provides a kind of piping lane venting of dust explosion spacing determinator, comprises vacuum pump, knob valve, piping lane, venting of dust explosion mouth, well lid, weight thing, tensimeter, lighter, gas bomb, knob valve, reduction valve, tensimeter and knob valve; Vacuum pump is connected with knob valve, and the other end of knob valve is connected with piping lane, and piping lane is provided with the opening as venting of dust explosion mouth, and piping lane is also provided with well lid and weight thing, well lid covers venting of dust explosion mouth; Piping lane has the first tensimeter and lighter, gas bomb sets gradually knob valve, reduction valve and the second tensimeter, gas bomb is connected with piping lane by knob valve.
In above scheme preferably, vacuum pump is connected with knob valve by conduit.
Can also preferably, piping lane is set to rectangular parallelepiped piping lane.
Can also preferably, the quantity of the venting of dust explosion mouth that piping lane is arranged is at least two.
Can also preferably, the distance between venting of dust explosion mouth is equal.
Can also preferably, venting of dust explosion mouth measure-alike.
The assay method of piping lane venting of dust explosion spacing determinator of the present utility model, comprises the following steps: the first step, by all venting of dust explosion mouth well lids shutoff on piping lane also with the compacting of weight thing; Second step, opens knob valve vacuum pump and is vacuumized by piping lane, and the inflammable gas manometric pressure being reached will fill and air burst power reach the pressure of optimal proportion at ambient pressure, then closes knob valve and vacuum pump; 3rd step, opens knob valve, reduction valve and knob valve and carries out being filled with inflammable gas in piping lane; 4th step, when the tensimeter in piping lane reaches the atmospheric pressure of setting, closes knob valve, reduction valve and knob valve in turn, leaves standstill the time period of setting; 5th step, removes the weight thing on range points firearm venting of dust explosion mouth farthest and well lid, opens venting of dust explosion mouth, remove the weight thing on all well lids simultaneously; 6th step, uses lighter ignited flammable gas; 7th step, if blast does not make the well lid on other venting of dust explosion mouths shift out venting of dust explosion mouth, then venting of dust explosion spacing is the twice of the distance between venting of dust explosion mouth and lighter; Otherwise, then repeat the above-mentioned first step to the 7th step, when proceeding to the 5th step, the venting of dust explosion mouth that chosen distance is nearer successively.
Compared with prior art, the utility model has the following advantages:
The utility model provides a kind of piping lane venting of dust explosion spacing determinator, can determine suitable venting of dust explosion spacing, thus meet the requirement of venting of dust explosion safety, simultaneously lessly again arranges the requirement that venting of dust explosion mouth reaches economy; It is applicable to long and narrow space gas burst field, especially piping lane gas burst field, and its mode by experiment measures venting of dust explosion spacing when piping lane is full of inflammable gas, thus can reduce the power of blast, the hole on simultaneously the least possible increase piping lane; Its for prior art for underground pipe gallery without venting of dust explosion measure, can calculate the object that suitable venting of dust explosion mouth spacing reaches safety economy, for alleviating, underground pipe gallery explosion hazard is significant.
Accompanying drawing explanation
Fig. 1 is the structural representation of piping lane venting of dust explosion spacing determinator of the present utility model.
1 is vacuum pump, and 2 is conduit, and 3 is knob valve, and 4 is piping lane, and 5 is venting of dust explosion mouth, and 6 is well lid, and 7 attach most importance to laminate, and 8 is tensimeter, and 9 is lighter, and 10 is gas bomb, and 11 is knob valve, and 12 is reduction valve, and 13 is tensimeter, and 14 is knob valve.
Embodiment
In order to understand the utility model better, below in conjunction with specific embodiment, the utility model is explained in detail.But, obviously can carry out different modification and remodeling to the utility model and not exceed the wider spirit and scope of the utility model of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment:
A kind of piping lane venting of dust explosion spacing determinator, comprises vacuum pump 1, knob valve 3, piping lane 4, venting of dust explosion mouth 5, well lid 6, weight thing 7, tensimeter 8, lighter 9, gas bomb 10, knob valve 11, reduction valve 12, tensimeter 13 and knob valve 14; Vacuum pump 1 is connected with knob valve 3, and the other end of knob valve 3 is connected with piping lane 4, and piping lane 4 is provided with the opening as venting of dust explosion mouth 5, and piping lane 4 is also provided with well lid 6 and weight thing 7, well lid 6 covers venting of dust explosion mouth 5; Piping lane 4 has the first tensimeter 8 and lighter 9, gas bomb 10 sets gradually knob valve 11, reduction valve 12 and the second tensimeter 13, gas bomb 10 is connected with piping lane 4 by knob valve 14.
In the above-described embodiments, vacuum pump 1 is connected with knob valve 3 by conduit 2.Piping lane 4 is set to rectangular parallelepiped piping lane.The quantity of the venting of dust explosion mouth 5 that piping lane 4 is arranged is at least two.Distance between venting of dust explosion mouth 5 is equal.Venting of dust explosion mouth 5 measure-alike.
The assay method of piping lane venting of dust explosion spacing determinator of the present utility model, comprises the following steps: the first step, and the compacting of weight thing 7 is also used in well lid 6 shutoff of all venting of dust explosion mouths 5 on piping lane 4; Second step, opens knob valve 3 vacuum pump 1 and is vacuumized by piping lane 4, and the inflammable gas pressure of tensimeter 8 being reached will fill and air burst power reach the pressure of optimal proportion at ambient pressure, then closes knob valve 3 and vacuum pump 1; 3rd step, opens knob valve 11, reduction valve 12 and knob valve 14 and carries out being filled with inflammable gas in piping lane 4; 4th step, when the tensimeter 8 in piping lane 4 reaches the atmospheric pressure of setting, closes knob valve 14, reduction valve 12 and knob valve 11 in turn, leaves standstill the time period of setting; 5th step, removes the weight thing 7 on range points firearm 9 venting of dust explosion mouth 5 farthest and well lid 6, opens venting of dust explosion mouth 5, remove the weight thing 7 on all well lids 6 simultaneously; 6th step, with lighter 9 ignited flammable gas; 7th step, if blast does not make the well lid 6 on other venting of dust explosion mouths 5 shift out venting of dust explosion mouth 5, then venting of dust explosion spacing is the twice of the distance between venting of dust explosion mouth 5 and lighter 9; Otherwise, then repeat the above-mentioned first step to the 7th step, when proceeding to the 5th step, the venting of dust explosion mouth 5 that chosen distance is nearer successively.
Piping lane venting of dust explosion spacing determinator of the present utility model, as shown in Figure 1, well lid 6 employing can cover venting of dust explosion mouth 5 and have interior high temperature and flexible serum cap; Well lid 6 is the same with actual well lid weight, and weight thing 7 is pressed on the mouth position of well lid 6, ensures that the oral area of well lid 6 is airtight.Gas bomb 10 is for storing inflammable gas.
The assay method of piping lane venting of dust explosion spacing determinator of the present utility model, such as calculate the spacing of methane at underground pipe gallery venting of dust explosion, carry out small-scale experiment, ratio according to 1: 10 is carried out reduction means and is reduced brisance, guarantee measuring process safety, the assay method of its piping lane venting of dust explosion spacing determinator, comprises the following steps: the first step, the venting of dust explosion mouth 5 of all diameter 0.1m on the piping lane 4 of 10m is also used weight thing 7 compacting of weight 10kg with well lid 6 shutoff of weight 0.5kg; Second step, opens knob valve 3, is vacuumized by piping lane 4 with vacuum pump 1, makes the pressure of tensimeter 8 reach 0.09Mpa, then closes knob valve 3 and vacuum pump 1; 3rd step, opens knob valve 11, reduction valve 12 and knob valve 14, in piping lane 4, is filled with methane; 4th step, when the tensimeter 8 in piping lane 4 reaches 0.1Mpa, closes knob valve 14, reduction valve 12 and knob valve 11 successively, leaves standstill the time period of setting; 5th step, removes on the venting of dust explosion mouth 5 near lighter 9, namely range points firearm 9 be 9m venting of dust explosion mouth 5 on weight thing 7 and well lid 6, open this venting of dust explosion mouth 6, remove the weight thing 7 on every other well lid 6 simultaneously; 6th step, lights with lighter 9 and carries out explosion test; 7th step, if blast can not make the well lid 6 on other venting of dust explosion mouths 5 shift out venting of dust explosion mouth 5, then venting of dust explosion spacing is 180m; Otherwise, then repeat the above-mentioned first step to the 7th step, when proceeding to the 5th step, the venting of dust explosion mouth 5 that chosen distance is farther successively.
Piping lane venting of dust explosion spacing determinator of the present utility model and assay method thereof, have following features: the shape of (1) underground pipe gallery 4 can be rectangular parallelepiped; (2) size of venting of dust explosion mouth 5 is certain, and directly over being all positioned at; (3) venting of dust explosion mode is that perforate and overpressure relief are used in combination.It can calculate suitable venting of dust explosion mouth 5 spacing, to reach the object of safety economy.
Claims (6)
1. a piping lane venting of dust explosion spacing determinator, comprise vacuum pump (1), knob valve (3), piping lane (4), venting of dust explosion mouth (5), well lid (6), weight thing (7), tensimeter (8), lighter (9), gas bomb (10), knob valve (11), reduction valve (12), tensimeter (13) and knob valve (14); It is characterized in that: vacuum pump (1) is connected with knob valve (3), the other end of knob valve (3) is connected with piping lane (4), piping lane (4) is provided with the opening as venting of dust explosion mouth (5), piping lane (4) is also provided with well lid (6) and weight thing (7), well lid (6) covers venting of dust explosion mouth (5); Piping lane (4) there are the first tensimeter (8) and lighter (9), gas bomb (10) sets gradually knob valve (11), reduction valve (12) and the second tensimeter (13), gas bomb (10) is connected with piping lane (4) by knob valve (14).
2. piping lane venting of dust explosion spacing determinator as claimed in claim 1, is characterized in that: vacuum pump (1) is connected with knob valve (3) by conduit (2).
3. piping lane venting of dust explosion spacing determinator as claimed in claim 1, is characterized in that: piping lane (4) is set to rectangular parallelepiped piping lane.
4. piping lane venting of dust explosion spacing determinator as claimed in claim 1, is characterized in that: the quantity of the upper venting of dust explosion mouth (5) arranged of piping lane (4) is at least two.
5. piping lane venting of dust explosion spacing determinator as claimed in claim 4, is characterized in that: the distance between venting of dust explosion mouth (5) is equal.
6. piping lane venting of dust explosion spacing determinator as claimed in claim 4, is characterized in that: venting of dust explosion mouth (5) measure-alike.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817449.7U CN205002764U (en) | 2015-10-21 | 2015-10-21 | Piping lane is let out and is exploded interval survey device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817449.7U CN205002764U (en) | 2015-10-21 | 2015-10-21 | Piping lane is let out and is exploded interval survey device |
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| CN205002764U true CN205002764U (en) | 2016-01-27 |
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| CN201520817449.7U Active CN205002764U (en) | 2015-10-21 | 2015-10-21 | Piping lane is let out and is exploded interval survey device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241414A (en) * | 2015-10-21 | 2016-01-13 | 中国石油化工股份有限公司 | Pipe gallery explosion venting interval measurement device and measurement method thereof |
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2015
- 2015-10-21 CN CN201520817449.7U patent/CN205002764U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241414A (en) * | 2015-10-21 | 2016-01-13 | 中国石油化工股份有限公司 | Pipe gallery explosion venting interval measurement device and measurement method thereof |
| CN105241414B (en) * | 2015-10-21 | 2018-02-23 | 中国石油化工股份有限公司 | A kind of piping lane venting of dust explosion spacing measure device and its assay method |
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