CN105627852B - A kind of high temperature blasthole explosive protection device and its application method - Google Patents
A kind of high temperature blasthole explosive protection device and its application method Download PDFInfo
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- CN105627852B CN105627852B CN201610181509.XA CN201610181509A CN105627852B CN 105627852 B CN105627852 B CN 105627852B CN 201610181509 A CN201610181509 A CN 201610181509A CN 105627852 B CN105627852 B CN 105627852B
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- high temperature
- protection device
- cloth
- cylinder
- blasthole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
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Abstract
The invention discloses a kind of high temperature blasthole explosive protection device and its application method; wherein; a kind of high temperature blasthole explosive protection device, including cylinder and cover, the sealing of cylinder one end; cover is placed on the cylinder other end; the cylinder includes outer barrel and inner cylinder, and outer barrel is placed on the outside of inner cylinder, and inner cylinder is included from sticky permeable layer of cloth, super strength water absorbent and the ventilative layer of cloth set gradually inside outside; super strength water absorbent is bonded on sticky permeable layer of cloth, and powder stick is formed in the ventilative layer of cloth and loads space.The present invention can be used for protection powder stick; powder stick is set to be used in high temperature blasthole; and water filling need not be carried out to blasthole; the present invention has the effect of solid water simultaneously; therefore, the problems such as solving big water consumption, serious current mistake, collapse hole, and cheap, thickness is small, easy to operate, powder stick is kept for the low temperature time long; high temperature shotfiring safety can be ensured, high temperature blasting efficiency is improved.
Description
Technical field
The present invention relates to a kind of demolition set and its application method, and in particular to a kind of high temperature blasthole explosive protection device and
Its application method.
Background technology
Substantial amounts of coal mine fire zone is there is on China Ningxia, Xinjiang and other places, is caused in drillhole blasting operation process, big portion
Minute gun hole temperature is higher than 60 DEG C so that explosion is performed according to high temperature bursting work.When blasthole temperature is too high, heat point occurs for explosive
Solution, explosive form generation changes, and causes explosion properties to reduce, and can occur burning under heat accumulation to certain condition in addition even
Blast, causes the injures and deaths of personnel and the damage of machinery.Therefore explosive must be made to be in low temperature ring within a certain period of time in high temperature hole
Border, is currently mainly used water filling cooling and heat-insulated method, but effect is not obvious.In terms of cooling：General all positions of flame range first
In water-deficient areas such as western parts, water source limitation is larger；Secondly crack is more in blasthole, and water losing issue is serious；Water filling cools again
Time is longer, influences blasting efficiency；Blasthole collapse hole plug-hole phenomenon often occurs after last water filling, and potential safety hazard is big.Heat-insulated aspect：Mesh
It is preceding that the heat-insulated of explosive is mainly taken heat-barrier material to protect explosive or blasthole become water hole with material, take heat-insulated equipment
When protecting explosive, the heat-insulated time is shorter, and heat-insulated equipment is expensive, and heat-insulated equipment is general thicker, is put into blasthole and easily blocks
Hole, primacord can only direct priming；Blasthole is become water hole with material, exist complex operation, temperature in use it is not high, can not be right
Different temperatures is treated with a certain discrimination, easy punching, demolition effect poor the problems such as.Therefore, because disadvantages mentioned above, limits explosive in high temperature big gun
Usage amount in hole, reduces high temperature blasting efficiency, improves cost.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is：A kind of high temperature blasthole explosive protection is provided
Device.
Another object of the present invention is to：A kind of application method of high temperature blasthole explosive protection device is provided.
The purpose of the present invention is achieved through the following technical solutions：A kind of high temperature blasthole explosive protection device, including cylinder and
Cover, cylinder one end sealing, cover is placed on the cylinder other end, and the cylinder includes outer barrel and inner cylinder, and outer barrel is placed on outside inner cylinder
Side, inner cylinder is included from sticky permeable layer of cloth, super strength water absorbent and the ventilative layer of cloth set gradually inside outside, and super strength water absorbent glues
Powder stick, which is formed, on sticky permeable layer of cloth, in the ventilative layer of cloth loads space.
It is preferred that, the sticky permeable layer of cloth includes permeable layer of cloth, and permeable layer of cloth medial surface has viscosity, super strength water absorbent
Uniformly it is bonded on permeable layer of cloth.
It is preferred that, the permeable layer of cloth is gauze, and gauze medial surface is provided with adhesive layer.
It is preferred that, the outer barrel is geotextiles outer barrel, and the outer barrel thickness of geotextiles is 0.2mm-3mm.
It is preferred that, the ventilative layer of cloth is the ventilative layer of cloth of non-woven fabrics.
It is preferred that, the cover refers to the cover being made up of PVA materials, and cover thickness is 1mm-5mm.
A kind of application method of above-mentioned high temperature blasthole explosive protection device, comprises the following steps：
First, powder stick is encased in into powder stick to load in space, then, cover is placed on the nozzle of cylinder；
2nd, the high temperature blasthole explosive protection device after being loaded into powder stick and sealing is soaked in water, enters super strength water absorbent
Row water suction；
3rd, primacord is put into blasthole；
4th, the high temperature blasthole explosive protection device after water suction is put into blasthole；
5th, high temperature blasthole explosive protection device is completed after delivering, and blasthole is blocked, then detonated.
It is preferred that, the high temperature blasthole explosive protection device after being loaded into powder stick and sealing is soaked in 30s-5min in water, makes
Super strength water absorbent is absorbed water.
It is preferred that, after cover is placed on the nozzle of cylinder, cover is sealedly attached on cylinder by using fire resisting adhesive plaster.
It is preferred that, the high temperature blasthole explosive protection device after multiple water suctions is put into blasthole one by one.
The present invention has the following advantages and effect relative to prior art：
1st, the present invention can be used for protection powder stick, powder stick is used in high temperature blasthole, and need not be noted to blasthole
Water, while the present invention has the effect of solid water, therefore, the problems such as solving big water consumption, serious current mistake, collapse hole, and valency
Lattice are cheap, thickness is small, easy to operate, powder stick is kept for the low temperature time long, can ensure high temperature shotfiring safety, improve high temperature explosion effect
Rate.
2nd, cylinder internal diameter of the invention is more than powder stick external diameter, facilitates powder stick to be put into, after water suction, internal diameter is substantially equal to outside powder stick
Footpath, can make powder stick uniform restraint.
3rd, the outer cylinder material of the present invention is a kind of high-strength material, for example：Geotextiles, it has three below advantage：First, it is strong
The characteristics of spending big, after powder stick is loaded, in input blasthole, under strong impulsive force and frictional force effect, ensure that not and occurs
Damaged and larger deformation；2nd, it has gas permeability, after being put into water, and water can pass rapidly through it and reach water absorbing agent position；3rd,
Thickness is small, and surface is smooth, and it is low to occur hole clipping probability during input blasthole.
4th, sticky permeable layer of cloth of the invention has permeable effect, secondly the adhesive layer on its surface, can be by super-strong moisture absorbing
Agent is fixed up, in handling process of the present invention, will not cause super strength water absorbent skewness.
5th, super strength water absorbent of the invention is evenly distributed on sticky permeable layer of cloth, it is ensured that after super strength water absorbent water suction
The systematicness of shape, makes the present invention remain a smooth cylindrical shape, and when heated, heat resistance is relatively uniform, keeps away
Exempt from the partial points that there is poor heat resistance.
6th, super strength water absorbent water absorbing capacity of the invention is up to more than 500 times of own wt, and water is not easy to squeeze after compression
Go out, therefore it has good water suction and solid water effect, when present invention input blasthole, can avoid water loss and wet-laid
The problem of concentrating on bottom so that moisture is still evenly distributed on around powder stick as not throwing away during blasthole；On the other hand its
Substantial amounts of moisture is absorbed, and because moisture has larger specific heat capacity and heat of evaporation, therefore, protects powder stick so that powder stick
Temperature is under safe temperature state in a long time, and its maximum temperature is also not above water boiling point, it is seen then that it is effectively improved
The security of the present invention.
7th, it is saturating that the characteristics of ventilative layer of cloth of the invention has good permeability, toughness is high, first its gas permeability illustrate that it has
The effect of water, facilitates super strength water absorbent to absorb water, secondly its gas permeability can allow it is heated after the high-temperature vapor outflow that produces, it is last its
High toughness can constrain powder stick so that powder stick under external force will not damaged and deformation.
8th, the material of cover of the invention is super-strong water-absorbing material, such as PVA so that powder stick is completely in water environment,
Secondly its thickness is smaller so that during two neighboring high temperature blasthole explosive protection device contact, the distance between powder stick is small up and down, is in
Within gap distance, therefore, in primacord segment fault, it can also play a part of safe propagation of explosion.
Brief description of the drawings
Fig. 1 is the structural representation of the high temperature blasthole explosive protection device of the present invention.
Fig. 2 is schematic diagram when high temperature blasthole explosive protection device of the invention is used.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment one：
A kind of high temperature blasthole explosive protection device, including cylinder and cover 1, the sealing of cylinder one end, it is another that cover is placed on cylinder
One end, the cylinder includes outer barrel 2 and inner cylinder, and outer barrel is placed on the outside of inner cylinder, and inner cylinder includes viscous from what is set gradually inside outside
Property permeable layer of cloth 3, super strength water absorbent 4 and ventilative layer of cloth 5, super strength water absorbent are bonded on sticky permeable layer of cloth, the breathable cloth
Powder stick is formed in layer and loads space 6.
It is preferred that, the sticky permeable layer of cloth includes permeable layer of cloth, and permeable layer of cloth medial surface has viscosity, super strength water absorbent
Uniformly it is bonded on permeable layer of cloth.
It is preferred that, the permeable layer of cloth is gauze, and gauze medial surface is provided with adhesive layer.
It is preferred that, the outer barrel is geotextiles outer barrel, and the outer barrel thickness of geotextiles is 0.2mm-3mm.
It is preferred that, the ventilative layer of cloth is the ventilative layer of cloth of non-woven fabrics.
It is preferred that, the cover refers to the cover being made up of PVA materials, and cover thickness is 1mm-5mm.
Embodiment two：
A kind of application method of high temperature blasthole explosive protection device described in embodiment one, comprises the following steps：
First, powder stick is encased in into powder stick to load in space, then, cover is placed on the nozzle of cylinder；
2nd, the high temperature blasthole explosive protection device 7 after being loaded into powder stick and sealing is soaked in water, enters super strength water absorbent
Row water suction；
3rd, primacord 8 is put into blasthole 9；
4th, the high temperature blasthole explosive protection device after water suction is put into blasthole；
5th, high temperature blasthole explosive protection device is completed after delivering, and blasthole is blocked, specifically entered by tamper 10
Row is blocked, and is then detonated.
It is preferred that, the high temperature blasthole explosive protection device after being loaded into powder stick and sealing is soaked in 30s-5min in water, makes
Super strength water absorbent is absorbed water.
It is preferred that, after cover is placed on the nozzle of cylinder, cover is sealedly attached on cylinder by using fire resisting adhesive plaster.
It is preferred that, the high temperature blasthole explosive protection device after multiple water suctions is put into blasthole one by one.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of high temperature blasthole explosive protection device, it is characterised in that：Including cylinder and cover, the sealing of cylinder one end, cover lid
In the cylinder other end, the cylinder includes outer barrel and inner cylinder, and outer barrel is placed on the outside of inner cylinder, and inner cylinder is included from setting successively inside outside
Sticky permeable layer of cloth, super strength water absorbent and the ventilative layer of cloth put, super strength water absorbent are bonded on sticky permeable layer of cloth, described ventilative
Powder stick is formed in layer of cloth and loads space.
2. high temperature blasthole explosive protection device according to claim 1, it is characterised in that：The sticky permeable layer of cloth includes
Permeable layer of cloth, permeable layer of cloth medial surface has viscosity, and super strength water absorbent is uniformly bonded on permeable layer of cloth.
3. high temperature blasthole explosive protection device according to claim 2, it is characterised in that：The permeable layer of cloth is gauze,
Gauze medial surface is provided with adhesive layer.
4. high temperature blasthole explosive protection device according to claim 1, it is characterised in that：The outer barrel is outside geotextiles
Cylinder, the outer barrel thickness of geotextiles is 0.2mm-3mm.
5. high temperature blasthole explosive protection device according to claim 1, it is characterised in that：The ventilative layer of cloth is non-woven fabrics
Ventilative layer of cloth.
6. high temperature blasthole explosive protection device according to claim 1, it is characterised in that：The cover is referred to by PVA
The cover that material is made, cover thickness is 1mm-5mm.
7. a kind of application method of any described high temperature blasthole explosive protection devices of claim 1-6, it is characterised in that including
Following steps：
First, powder stick is encased in into powder stick to load in space, then, cover is placed on the nozzle of cylinder；
2nd, the high temperature blasthole explosive protection device after being loaded into powder stick and sealing is soaked in water, is inhaled super strength water absorbent
Water；
3rd, primacord is put into blasthole；
4th, the high temperature blasthole explosive protection device after water suction is put into blasthole；
5th, high temperature blasthole explosive protection device is completed after delivering, and blasthole is blocked, then detonated.
8. the application method of high temperature blasthole explosive protection device according to claim 7, it is characterised in that：It is loaded into powder stick
And the high temperature blasthole explosive protection device after sealing is soaked in 30s-5min in water, super strength water absorbent is absorbed water.
9. the application method of high temperature blasthole explosive protection device according to claim 7, it is characterised in that：Cover is placed on
After on the nozzle of cylinder, cover is sealedly attached on cylinder by using fire resisting adhesive plaster.
10. the application method of high temperature blasthole explosive protection device according to claim 7, it is characterised in that：Inhaled multiple
High temperature blasthole explosive protection device after water is put into blasthole one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181509.XA CN105627852B (en) | 2016-03-28 | 2016-03-28 | A kind of high temperature blasthole explosive protection device and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181509.XA CN105627852B (en) | 2016-03-28 | 2016-03-28 | A kind of high temperature blasthole explosive protection device and its application method |
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| Publication Number | Publication Date |
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| CN105627852A CN105627852A (en) | 2016-06-01 |
| CN105627852B true CN105627852B (en) | 2017-10-13 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053533A (en) * | 2016-07-20 | 2016-10-26 | 宏大矿业有限公司 | Device and method for rapidly measuring temperature power-attenuation degree of explosive |
| CN106288997B (en) * | 2016-09-26 | 2018-06-15 | 宏大矿业有限公司 | Blasthole heat-proof device and blasting method |
| CN108106506A (en) * | 2016-11-24 | 2018-06-01 | 中国矿业大学(北京) | A kind of deep hole blasting essential safe type quick-burning charge device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006709B (en) * | 2014-05-15 | 2016-06-01 | 宏大矿业有限公司 | Heatproof heat shield |
| CN104833281B (en) * | 2015-05-20 | 2016-06-29 | 宏大矿业有限公司 | A kind of heatproof being applied in high temperature big gun hole inhales Thermal Protection Structural |
| CN105016931B (en) * | 2015-08-13 | 2017-07-07 | 宏大矿业有限公司 | A kind of high temperature resistant explosive production method containing heat absorption material |
| CN205505877U (en) * | 2016-03-28 | 2016-08-24 | 宏大矿业有限公司 | High temperature big gun hole explosive protection device |
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| CP03 | Change of name, title or address |
Address after: Zeng Jiang Jie Lian Yi Cun Light Road No. 28 Zengcheng District 511300 in Guangdong city of Guangzhou Province Patentee after: Hongda blasting Co., Ltd. Address before: 511300 Guangdong city of Guangzhou province Zengcheng River Street Light Lianyi Village Road No. 28 Patentee before: Grand mining industry company limited |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 511300 28 Luang Da Road, Lianyi village, Zeng Jiang Street, Zengcheng, Guangzhou, Guangdong Patentee after: Hongda Blasting Engineering Group Co.,Ltd. Address before: 511300 Guangda Road, Lianyi Village, Zengjiang Street, Zengcheng District, Guangzhou City, Guangdong Province, 28 Patentee before: HONGDA BLASTING Co.,Ltd. |
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| CP03 | Change of name, title or address |