CN206830175U - A kind of carbon dioxide crushes the device of top coal Sub-Level Caving - Google Patents
A kind of carbon dioxide crushes the device of top coal Sub-Level Caving Download PDFInfo
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- CN206830175U CN206830175U CN201720611431.0U CN201720611431U CN206830175U CN 206830175 U CN206830175 U CN 206830175U CN 201720611431 U CN201720611431 U CN 201720611431U CN 206830175 U CN206830175 U CN 206830175U
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- carbon dioxide
- electricity pole
- tube head
- pipe tail
- top coal
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Abstract
It the utility model is related to the device that a kind of carbon dioxide crushes top coal Sub-Level Caving, including liquid carbon dioxide storage tank, body, the both ends of body are threaded with tube head and pipe tail for blocking body respectively, it is connected between liquid carbon dioxide storage tank and tube head by feed tube, low pressure liquid pump and valve are respectively equipped with feed tube, positive electricity pole and negative electricity pole are respectively equipped with tube head, and the junction of positive electricity pole and tube head is provided with insulating barrier, hot plate silk is provided with positive electricity pole, the junction of body and pipe tail is provided with diaphragm seal and cutting ring, and cutting ring is close to the position of pipe tail, pipe tail is provided with multiple steam vents.The device becomes gaseous physical change by liquid using carbon dioxide and carries out soft explosion to top coal, and explosion will not produce pernicious gas, and blasting dust is few, and spark will not be produced in blasting process, will not produce gas explosion accident, safe.
Description
Technical field
The utility model belongs to technical field of coal exploitation, and top coal Sub-Level Caving is crushed more particularly to a kind of carbon dioxide
Device.
Background technology
Coal caving mining method is the bottom cloth along in a certain thickness range of the bottom plate in coal seam or coal seam in high seam mining
Put a mining height be 2m~3m coal-face, carry out back production with comprehensive mechanization mode, using mine pressure effect or
The methods of being aided with standing, crushing voerhead coal is set to be released into after scattered coal body by " putting coal window " of support rear or top, and by
Scratch board conveyor transports coal-face.
Coal caving mining method has that high-yield and high-efficiency, tunnelling rate are low, face moving number is few low with cost of ton coal etc.
Advantage, it is thick coal-layer mining prior development direction.Coal caving mining method has certain applicable elements, is more than for Protodyakonov coefficient
3 coal seam, top coal, which is difficult to crush, releases the ancillary method, it is necessary to certain, and typically top coal is softened using water filling or takes explosion
Method weakening top coal intensity, wherein weaker to top coal water filling emollescence, effect is less obvious；Standing operation is multiple
Miscellaneous, cost is high, and when highly gassy mine uses, need to take the measure for preventing gas explosion, considerably increase cost of ton coal,
Miso-fire occur be present simultaneously, certain potential safety hazard be present.
Carbon dioxide exists less than 31 DEG C or when pressure is more than 7.35MPa with liquid, starts to gasify during more than 31 DEG C, and
Variation with temperature pressure also constantly changes, and liquid carbon dioxide transient evaporation expands and produces high pressure, volumetric expansion 600 again with
On, act on coal（Rock）Can be with the purpose of explosion on body.
The content of the invention
The purpose of this utility model is to provide for the device that a kind of carbon dioxide crushes top coal Sub-Level Caving, utilizes titanium dioxide
Carbon becomes gaseous physical change by liquid and carries out soft explosion to top coal, and explosion will not produce pernicious gas, and blasting dust is few,
And spark will not be produced in blasting process, and gas explosion accident will not be produced, it is safe.
The utility model is adopted the technical scheme that to solve the above problems, there is provided a kind of broken top of carbon dioxide
The device of coal Sub-Level Caving, including liquid carbon dioxide storage tank, in addition to the body that both ends are penetrating, the both ends difference screw thread of body
The tube head and pipe tail for blocking body are connected with, is connected between the liquid carbon dioxide storage tank and tube head by feed tube
It is logical, and one end of feed tube is stretched into liquid carbon dioxide storage tank, the other end of feed tube is stretched into body through tube head, is entered
Low pressure liquid pump and valve are respectively equipped with liquid pipe, positive electricity pole and negative electricity pole, and positive electrode are respectively equipped with the tube head
The junction of post and tube head is provided with insulating barrier, is provided with hot plate silk in positive electricity pole, the junction of the body and pipe tail is set
There are a diaphragm seal and cutting ring, and cutting ring is close to the position of pipe tail, the space wherein surrounded between tube head, diaphragm seal and body
The memory space of liquid carbon dioxide is formed, the pipe tail is provided with multiple steam vents.
The end of the pipe tail is in cone.
The positive electricity pole and negative electricity pole are connected by wire with the positive pole and negative pole of trigger respectively.
The beneficial effects of the utility model：The device aligns electrode column using trigger and negative electricity pole is powered, and makes dioxy
Change carbon becomes gaseous physical change by liquid and carries out soft explosion to top coal, and explosion will not produce pernicious gas, blasting dust
It is few, and spark will not be produced in blasting process, gas explosion accident will not be produced, it is safe.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
To make the purpose of this utility model, technical scheme and beneficial effect clearer, below in conjunction with the accompanying drawings to this practicality
New embodiment is described in further detail.
As shown in figure 1, the utility model provides the device that a kind of carbon dioxide crushes top coal Sub-Level Caving, including liquid two
Carbonoxide storage tank 1, in addition to the body 2 that both ends are penetrating, the both ends of body 2 are threaded with for blocking body 2 respectively
Tube head 3 and pipe tail 4, the end of its middle pipe tail 4 is in cone, and so beneficial to the device, when carrying out blast operations, body 2 can
It is fixed in coal body.It is connected between the liquid carbon dioxide storage tank 1 and tube head 3 by feed tube 5, and feed tube 5
One end is stretched into liquid carbon dioxide storage tank 1, and the other end of feed tube 5 is stretched into body 2 through tube head 3, is divided on feed tube 5
Not She You low pressure liquid pump 6 and valve 7, be respectively equipped with positive electricity pole 8 and negative electricity pole 9, and positive electricity pole 8 on the tube head 3
Insulating barrier 10 is provided with the junction of tube head 3, hot plate silk 11, the positive electricity pole 8 and negative electrode are provided with positive electricity pole 8
Post 9 is connected by wire with the positive pole and negative pole of trigger 16 respectively, and wherein trigger 16 is the ignition charge commonly used in ore deposit
Mining trigger（Here just no longer it is described in detail）.The junction of the body 2 and pipe tail 4 be provided with diaphragm seal 12 and
Cutting ring 13, and cutting ring 13 is close to the position of pipe tail 4, the space wherein surrounded between tube head 3, diaphragm seal 12 and body 2
The memory space 14 of liquid carbon dioxide is formed, the pipe tail 4 is provided with multiple steam vents 15.
In use, along two adits of Denver Nuggets of working on regular shifts in top plate coal seam, and according to the design and construction boring point of mine
Construction of drilling is carried out, the explosion body assembled is pushed into constructed drilling using aid push rod, then opened
The memory space 14 of liquid carbon dioxide is full of by low pressure liquid pump 6 and valve 7, and drilling is carried out with yellow mud at hell
Sealing of hole, the positive pole of trigger 16 and negative pole are connected with positive electricity pole 8 and negative electricity pole 9 respectively, treat all staff
After removing safe distance, the switch of trigger 16 is opened, the liquid carbon dioxide in memory space 14 is heated, makes liquid
State carbon dioxide is gasificated into rapidly gaseous state, produces substantial amounts of carbon dioxide, and carbon dioxide breaks through diaphragm seal 12, sealing
Piece 12 is cut circle 13 and cut, and carbon dioxide discharges through steam vent 15, and soft presplitting is carried out to the coal body around body 1.
The device of the utility model aligns electrode column 8 using trigger 16 and negative electricity pole 9 is powered, and makes carbon dioxide by liquid
State becomes gaseous physical change and carries out soft explosion to top coal, and explosion will not produce pernicious gas, and blasting dust is few, and quick-fried
Spark will not be produced during broken, gas explosion accident will not be produced, it is safe.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the spirit and scope of the utility model is not departed from
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed utility model.The requires of the utility model
Protection domain is defined by appended claims and equivalent.
Claims (3)
1. a kind of carbon dioxide crushes the device of top coal Sub-Level Caving, including liquid carbon dioxide storage tank, it is characterised in that：Also wrap
The penetrating body in both ends is included, the both ends of body are threaded with tube head and pipe tail for blocking body, the liquid two respectively
It is connected between carbonoxide storage tank and tube head by feed tube, and liquid carbon dioxide storage tank is stretched into one end of feed tube
Interior, the other end of feed tube is stretched into body through tube head, and low pressure liquid pump and valve, the tube head are respectively equipped with feed tube
On be respectively equipped with positive electricity pole and negative electricity pole, and the junction of positive electricity pole and tube head is provided with insulating barrier, is set in positive electricity pole
There is a hot plate silk, the junction of the body and pipe tail is provided with diaphragm seal and cutting ring, and cutting ring is close to the position of pipe tail,
The space wherein surrounded between tube head, diaphragm seal and body forms the memory space of liquid carbon dioxide, is set on the pipe tail
There are multiple steam vents.
2. a kind of carbon dioxide according to claim 1 crushes the device of top coal Sub-Level Caving, it is characterised in that：The pipe tail
End in cone.
3. a kind of carbon dioxide according to claim 1 crushes the device of top coal Sub-Level Caving, it is characterised in that：The positive electricity
Pole and negative electricity pole are connected by wire with the positive pole and negative pole of trigger respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720611431.0U CN206830175U (en) | 2017-05-28 | 2017-05-28 | A kind of carbon dioxide crushes the device of top coal Sub-Level Caving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720611431.0U CN206830175U (en) | 2017-05-28 | 2017-05-28 | A kind of carbon dioxide crushes the device of top coal Sub-Level Caving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830175U true CN206830175U (en) | 2018-01-02 |
Family
ID=60772618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720611431.0U Expired - Fee Related CN206830175U (en) | 2017-05-28 | 2017-05-28 | A kind of carbon dioxide crushes the device of top coal Sub-Level Caving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830175U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878693A (en) * | 2020-01-01 | 2020-03-13 | 方莹 | Gas leakage method of fracturing pipe and fracturing pipe |
| CN111412800A (en) * | 2020-03-25 | 2020-07-14 | 温州渝工建筑科技有限公司 | Safe and environment-friendly gas mixed heat energy expansion device and construction method |
| CN112857163A (en) * | 2020-12-31 | 2021-05-28 | 中南大学 | Carbon dioxide rock breaking device and method |
-
2017
- 2017-05-28 CN CN201720611431.0U patent/CN206830175U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878693A (en) * | 2020-01-01 | 2020-03-13 | 方莹 | Gas leakage method of fracturing pipe and fracturing pipe |
| CN111412800A (en) * | 2020-03-25 | 2020-07-14 | 温州渝工建筑科技有限公司 | Safe and environment-friendly gas mixed heat energy expansion device and construction method |
| CN112857163A (en) * | 2020-12-31 | 2021-05-28 | 中南大学 | Carbon dioxide rock breaking device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20180528 |