CN204757833U - High temperature fire district demolition unit - Google Patents
High temperature fire district demolition unit Download PDFInfo
- Publication number
- CN204757833U CN204757833U CN201520417284.4U CN201520417284U CN204757833U CN 204757833 U CN204757833 U CN 204757833U CN 201520417284 U CN201520417284 U CN 201520417284U CN 204757833 U CN204757833 U CN 204757833U
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- Prior art keywords
- liquid
- tamper
- explosive
- high temperature
- sleeve pipe
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Abstract
The utility model discloses a high temperature fire district demolition unit, include big gun hole, explosive and be used for igniting the initiating equipment of explosive is still including setting up sleeve pipe in the big gun hole, liquid, plug and be used for blockking up the drill way plug in big gun hole drill way in bags, liquid pours into into in the sleeve pipe, the explosive soak in in the liquid, in bags the plug set up in explosive top and soak in in the liquid, form reserve liquid zone in bags between plug and the drill way plug. The utility model discloses can make during present ordinary explosive materials can use high temperature fire district blasting, avoid that present high temperature fire district blasting safety hidden danger is big, the construction is complicated, the outer layer structure damage of temperature resistant heat insulation protection casing is difficult for discovering after resulting in liquid to run off and there have potential safety hazard etc. To be not enough.
Description
Technical field
The utility model relates to a kind of engineering explosion device, particularly a kind of high temperature flame range demolition set.
Background technology
Spontaneous combustion of coal seam flame range in open coal mine forms larger potential safety hazard to blast working, water filling cooling in big gun hole is generally adopted to make big gun hole temperature be reduced in common industrial explosive security clearance temperature range to the blast working of spontaneous combustion high temperature flame range at present, because the rock in high temperature flame range exists crack, cause the shipwreck in big gun hole to retain, make big gun hole temperature recovery very fast, therefore need to carry out quick-burning charge before the temperature recovery of big gun hole, fill, the work such as to detonate, therefore, whole bursting work process is very hurry, cause high temperature flame range bursting work single dynamite charge amount few, potential safety hazard is large, the progress of digging fortune work is peeled off in serious restriction.Existing high temperature resistant explosive cost is very high in addition, is mainly used in petroleum perforation charge and military aspect, wouldn't extend to high temperature flame range engineering explosion aspect.Number of patent application 201410206203.6 discloses a kind of temperature-resistance thermal-insulation sheath, and this sheath can slow down the rate of climb of explosive temperature in sleeve effectively, but it exists the potential safety hazard not easily discovered after layer structure breakage causes fluid loss.
China Patent Publication No. CN104534948A discloses a kind of rapid construction device being applicable to high temperature flame range, Bag for holding medicine slips in the water bag of big gun hole by it, again the end cap of the chute of blast hole stemming thing is opened, big gun hole is filled up, and cause the water on water bag top all to overflow due to the filling of blast hole stemming thing, thus the effect of impact protection explosive, need in this external work progress to arrange the auxiliary equipment such as front low trestle and rear high trestle to support chute, therefore strengthen site operation difficulty and cost.
Utility model content
For the technical problem existed in prior art, the purpose of this utility model is: provide a kind of safe and be convenient to observe the high temperature flame range demolition set of fluid loss situation in it.
The purpose of this utility model is achieved through the following technical solutions: a kind of high temperature flame range demolition set, comprising big gun hole, explosive and the initiating equipment for igniting described explosive, also comprising the sleeve pipe be arranged in described big gun hole, liquid, packed tamper and the aperture tamper for blocking aperture, big gun hole; Described liquid injects described sleeve pipe, and described explosive is soaked in described liquid, and described packed tamper to be arranged at above explosive and to be soaked in described liquid, forms liquid zone for subsequent use between packed tamper and aperture tamper.
Preferably, the liquid level distance of packed tamper distance liquid is 0.3m-3m.
Preferably, have between described packed tamper and sleeve pipe for being positioned at the gap of the liquid above packed tamper to packed tamper flowing underneath.
Preferably, described sleeve pipe is flexible sleeve, and the diameter of described sleeve pipe is more than or equal to blasthole diameter.
Preferably, described sleeve pipe comprises tissue layer and every liquid layer, described tissue layer is arranged on outside liquid layer.
Preferably, described every liquid layer refer to by polyethylene, polypropylene, rubber or PVC material make every liquid layer, described tissue layer refers to the tissue layer be made up of terylene, flax, ceramic fibre or glass fiber material.
The utility model has following advantage and effect relative to prior art:
1, the utility model by filling liquid in big gun hole; by liquid, by flame range, the heat be transmitted in big gun hole absorbs; explosive and initiating equipment can be remained in safe temperature range for a long time, and it can not only protect explosive, also can protect initiating equipment simultaneously.If seepage appears in liquid, directly can be observed by the mouth of pipe of sleeve pipe and obtain, and energy feeding-in liquid in time; The utility model in actual applications simple, the cost of constructing operation compared with low, single rendrock loadings large, can significantly improve fire-area peels off the efficiency of digging fortune work, therefore the utility model can be applicable to the fairly large explosion of high temperature flame range.
2, the utility model can enable existing General Explosive equipment be applied in the explosion of high temperature flame range, avoids that existing high temperature flame range shotfiring safety hidden danger is large, construction is complicated, the breakage of temperature-resistance thermal-insulation sheath layer structure is not easily discovered after causing fluid loss and there is the deficiencies such as potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation of high temperature flame range demolition set of the present utility model.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment one:
A kind of high temperature flame range demolition set, comprising big gun hole 1, explosive 2 and the initiating equipment 3 for igniting described explosive, also comprising the sleeve pipe be arranged in described big gun hole, liquid 4, packed tamper 5 and the aperture tamper 6 for blocking aperture, big gun hole; Described liquid injects described sleeve pipe, and described explosive is soaked in described liquid, and described packed tamper to be arranged at above explosive and to be soaked in described liquid, forms liquid zone for subsequent use between packed tamper and aperture tamper.Described aperture tamper is sandbag, and described liquid is water, and described explosive is emulsion.
Described sleeve pipe can make big gun hole deposit residence and state liquid, described liquid can make described explosive and initiating equipment remain on for a long time to be no more than in the environment of bath temperature, described packed tamper is used for not being coupled fast plug-hole and floating after stoping explosive to be heated, described aperture tamper is used for preventing punching, simultaneously because packed tamper is also above explosive, the effect necessarily preventing punching therefore also can be played.
Preferably, described sleeve pipe is flexible sleeve pipe, and the diameter of described sleeve pipe is greater than Explosive roll diameter, and sleeve pipe has and bears radial water pressure energy power in addition.
Preferred, the diameter of described sleeve pipe is more than or equal to blasthole diameter.Because the diameter of sleeve pipe is more than or equal to blasthole diameter, therefore the pressure of water can be transferred to and be born by big gun hole, avoid sleeve pipe to be subject to radial hydraulic pressure to cause breakage, particularly when the hydraulic pressure of radial direction is larger.
Preferably, described sleeve pipe comprises tissue layer 7 and every liquid layer 8, described tissue layer is arranged on outside liquid layer.
Preferably, described is be made up of polyethylene, polypropylene, rubber or PVC material every liquid layer, and it can prevent from being destroyed by the calcination of high temperature institute being equipped with under liquid case.Described tissue layer is made up of terylene, flax, ceramic fibre or glass fibre, and tissue layer is pasted onto on liquid layer outer surface, and it can be protected and not be destroyed every liquid layer, and this also can be avoided being destroyed by high temperature sintering under liquid case being housed every liquid layer simultaneously.In addition, be flexible pipe owing to being all soft i.e. sleeve pipes every liquid layer and tissue layer, therefore when transporting sleeve pipe, rollable transports, and reaches the effect of convenient construction and transport.
Preferably, the liquid level distance of packed tamper distance liquid is 0.3m-3m, has for being positioned at the gap of the liquid above packed tamper to packed tamper flowing underneath between described packed tamper and sleeve pipe.Wherein said packed tamper forms primarily of woven bag and the native sandstone be packed in described woven bag, floats for fast blocking-up and after stoping explosive to be heated; Described woven bag diameter is suitable with explosive diameter, thus ensures to have between packed tamper and sleeve pipe for being positioned at the gap of the liquid above packed tamper to packed tamper flowing underneath.Soil sandstone directly can adopt the native sandstone of job site, reaches and reduces cost of transportation thus the effect reducing operating cost; The gap of being equipped with between the woven bag of native sandstone and sleeve pipe can make the liquid above packed tamper flow to below smoothly, the liquid that can play below packed tamper occur seepage or temperature higher time, liquid above packed tamper can be supplemented by gap carrying out below packed tamper or lower the temperature in time, thus explosive can be remained in safe temperature range for more time.
Preferably, described aperture tamper primarily of sack and the sandy soil composition that is packed in described sack, its size much larger than the diameter in aperture, big gun hole and weight more than 30kg, for preventing punching.
Embodiment two:
The blasting method of a kind of high temperature flame range, comprises the following steps:
Step one: hole, verify and thermometric;
Step 2: get out explosive, initiating equipment, sleeve pipe, packed tamper and aperture tamper in advance in each big gun aperture;
Step 3: by moistening for sleeve pipe rear to transfer to fast in big gun hole and be rapidly in sleeve pipe inject liquid;
Step 4: explosive and initiating equipment to be quickly loaded in the sleeve pipe being marked with liquid and initiating equipment is led on ground;
Step 5: load packed tamper in the sleeve pipe after installing powder stick for floating after stoping explosive to be heated and keeping packed tamper top to leave the liquid of 3.5m;
Step 6: when whole big gun hole by step 2 to step 5 construction complete after, big gun district carries out warning in periphery, and unrelated person is all withdrawn from, and only leaves dynamiter and carries out networking work, network connect in strict accordance with explosion design connect;
Step 7: after network all connects, workmen is the packed tamper of rapid reloading remainder in each sleeve pipe again, make still to maintain the dark liquid of 0.5m-1m above packed tamper, finally press aperture tamper in aperture, all personnel all withdraws from big gun district.
Step 8: when confirming that warning is without exception, explosion commander assigns order of detonating.After detonating, cut off the electricity supply in time, main line is separated with initiator.
Verifying and thermometric work of big gun hole is carried out at the scene before construction, have in main examination: 1, judge that can the cylindrical weight being slightly less than blasthole diameter arrive at the bottom of hole smoothly, explanation big gun hole at the bottom of smooth arrival hole is qualified, continues to verify until qualified if there is hole clipping after needing through hole; 2, measure the maximum temperature in big gun hole, the construction temperature needs exceeding regulation are carried out mark and are transferred sleeve pipe again after water filling cools to construction temperature before big gun hole transferred to by sleeve pipe.Need when transferring sleeve pipe to load two volume explosives at sleeve bottom and inject the dark liquid of 1m in advance, sleeve pipe is encased in big gun hole by weight then by means of two volume explosives fast.Need moistening for the tissue layer liquid of bushing outer surface before sleeve pipe being transferred to big gun hole.Initiating equipment should run through whole sleeve pipe, namely ensures that initiating equipment can ignite whole explosive in sleeve pipe.The high liquid of 3m is left on casing top can make explosive in sleeve pipe can remain on for more time in lower temperature range.In work progress, notice whether the liquid observed in each sleeve pipe occurs leakage scenarios, if there is a small amount of leakage scenarios, needs timely feeding-in liquid, if there is the very fast situation of seepage, need to continue to inject liquid.Should pull-up again transfer after also again dredging big gun hole fast as run into hole clipping when big gun hole put into by sleeve pipe.When all personnel all withdraws from big gun district, above packed tamper, maintain the liquid that 0.5m-1m is dark, for improving the security of high temperature flame range blast working.
Embodiment three:
Described explosive is No. 2 rock emulsion explosives (hereinafter referred to as emulsion), and its diameter is 110mm, and length is 400mm; Described sleeve pipe is fire hose, and it has flexibility, and internal diameter is 136mm, and its length carries out cutting by blast hole depth, being made up of PVC every liquid layer of fire hose, and it is not destroyed by high temperature sintering being equipped with under regimen condition, and thickness is 0.3mm; The tissue layer of fire hose is made up of terylene, and they can resistance to less than 400 DEG C high temperature under fire hose internal layer is equipped with regimen condition; The diameter in big gun hole is 140mm, and its temperature range is 60 DEG C-400 DEG C; Packed tamper is column, and diameter is 110mm, and length is 500mm; Described liquid is water, and its specific heat capacity is 4.2 × 10
3j/ (kg DEG C), its boiling point is about 100 DEG C; Described initiating equipment is primacord, and its length is 12m; Described aperture tamper in sack, loads sandy soil form, and its size is much larger than the diameter in big gun hole, and weight is 40kg.Should carry out the work of verifying in big gun hole before site operation, process of verifying is as follows: whether the cylindrical weight being slightly less than blasthole diameter arrives at the bottom of hole smoothly, and the explanation big gun hole arrived at the bottom of hole is smoothly qualified, continues verify until qualified after needing through hole if there is hole clipping.
By the bottom of fire hose twice iron wire tighten during site operation, ensure that it is water-tight.
Need bottom fire hose, to load cylindrical weight in advance when transferring fire hose, fire hose is brought in big gun hole by weight then by means of cylindrical weight fast.Need moistening for the terylene water of fire hose outer surface before fire hose is transferred to big gun hole fast, to transfer in the process of high temperature big gun hole at fire hose every liquid layer for preventing PVC and be burned.When fire hose is put into, should transfer to rapidly in big gun hole, pull-up should transfer after also again dredging big gun hole rapidly if run into hole clipping, should be rapidly to inside fire hose after the end is touched in fire hose bottom and inject water.
First the emulsion with primacord is rendered in fire hose after having noted water, then continue filling emulsion in fire hose and primacord drawn for subsequent use, its objective is and ensure that primacord runs through whole fire hose, thus guarantee that primacord ignites whole explosive in fire hose, eliminate safe hidden trouble to greatest extent.After filling emulsion, one bag of packed tamper is put into fire hose, it floats after being mainly used for stoping explosive to be heated and ensures that the dark water of 3.5m is left on fire hose top, thus makes the explosive in fire hose can reach remaining in safe temperature range of longer time.
Then the construction in next big gun hole is continued as stated above, in work progress, notice whether the water observed in each fire hose occurs leakage scenarios, if there is a small amount of leakage scenarios, need to fill into water in time, if there is the very fast situation of seepage, need to continue to inject water, after all blast hole chargings complete, all primacords are connected on initiation net, packed tamper will be put into again in all fire hoses simultaneously, make above packed tamper, still to maintain the dark water of 0.5m-1m, the water surface is concordant with ground, finally press aperture tamper in aperture, big gun hole, retreat to behind safety area until all workmens and detonate.
In addition, also it should be noted that the high temperature in big gun hole is that its temperature range is 60 DEG C-1000 DEG C because the long dieseling in mine in some coal and sulfur-bearing ore deposit etc. causes.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (6)
1. a high temperature flame range demolition set, comprising big gun hole, explosive and the initiating equipment for igniting described explosive, it is characterized in that: also comprising the sleeve pipe be arranged in described big gun hole, liquid, packed tamper and the aperture tamper for blocking aperture, big gun hole; Described liquid injects described sleeve pipe, and described explosive is soaked in described liquid, and described packed tamper to be arranged at above explosive and to be soaked in described liquid, forms liquid zone for subsequent use between packed tamper and aperture tamper.
2. high temperature flame range demolition set according to claim 1, is characterized in that: the liquid level distance of packed tamper distance liquid is 0.3m-3m.
3. high temperature flame range demolition set according to claim 1, is characterized in that: have between described packed tamper and sleeve pipe for being positioned at the gap of the liquid above packed tamper to packed tamper flowing underneath.
4. high temperature flame range demolition set according to claim 1, is characterized in that: described sleeve pipe is flexible sleeve, and the diameter of described sleeve pipe is more than or equal to blasthole diameter.
5. high temperature flame range demolition set according to claim 1, is characterized in that: described sleeve pipe comprises tissue layer and every liquid layer, described tissue layer is arranged on outside liquid layer.
6. high temperature flame range demolition set according to claim 5, it is characterized in that: described every liquid layer refer to by polyethylene, polypropylene, rubber or PVC material make every liquid layer, described tissue layer refers to the tissue layer be made up of terylene, flax, ceramic fibre or glass fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417284.4U CN204757833U (en) | 2015-06-16 | 2015-06-16 | High temperature fire district demolition unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417284.4U CN204757833U (en) | 2015-06-16 | 2015-06-16 | High temperature fire district demolition unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204757833U true CN204757833U (en) | 2015-11-11 |
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ID=54472534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520417284.4U Withdrawn - After Issue CN204757833U (en) | 2015-06-16 | 2015-06-16 | High temperature fire district demolition unit |
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| CN (1) | CN204757833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880133A (en) * | 2015-06-16 | 2015-09-02 | 宏大矿业有限公司 | High-temperature fire zone blasting device and method |
| CN105953669A (en) * | 2016-05-20 | 2016-09-21 | 中国葛洲坝集团易普力股份有限公司 | Safety blasting method and system for fire zones |
| WO2023205823A1 (en) * | 2022-04-21 | 2023-10-26 | Glencore Operations South Africa (Pty) Limited | Sleeve and method for thermally-insulating a blast hole |
-
2015
- 2015-06-16 CN CN201520417284.4U patent/CN204757833U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880133A (en) * | 2015-06-16 | 2015-09-02 | 宏大矿业有限公司 | High-temperature fire zone blasting device and method |
| CN104880133B (en) * | 2015-06-16 | 2017-03-22 | 宏大矿业有限公司 | High-temperature fire zone blasting device and method |
| CN105953669A (en) * | 2016-05-20 | 2016-09-21 | 中国葛洲坝集团易普力股份有限公司 | Safety blasting method and system for fire zones |
| WO2023205823A1 (en) * | 2022-04-21 | 2023-10-26 | Glencore Operations South Africa (Pty) Limited | Sleeve and method for thermally-insulating a blast hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151111 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |