CN207778887U - A kind of mining liquid nitrogen filling apparatus - Google Patents
A kind of mining liquid nitrogen filling apparatus Download PDFInfo
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- CN207778887U CN207778887U CN201721464107.7U CN201721464107U CN207778887U CN 207778887 U CN207778887 U CN 207778887U CN 201721464107 U CN201721464107 U CN 201721464107U CN 207778887 U CN207778887 U CN 207778887U
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- liquid nitrogen
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Abstract
The utility model discloses a kind of mining liquid nitrogen filling apparatus, it includes fluid reservoir(1)And pipeline(9), fluid reservoir(1)Liquid nitrogen outlet end and pipeline(9)Connection, the pipeline(9)On be disposed with level-one liquid nitrogen solenoid valve(2), gas-liquid phase separation mechanism(3), level-one booster body(4), two level liquid nitrogen solenoid valve(5)With mining liquid nitrogen filling head(6);Mining liquid nitrogen filling head(6)On be cased with sealing device(7);It solves the prior art and anchoring support and metallic framework supporting is used to three-soft seam recovery process;The construction of the very heavy inconvenient faceman of existing steel skeleton influences construction period and there are some security risks again, the material used in these support technologies is disposable mostly, and a large amount of use can also increase the technical problems such as the financial burden of coal mining enterprise.
Description
Technical field
The utility model belongs to coal seam Treatment process more particularly to a kind of mining liquid nitrogen filling apparatus.
Background technology
During coal production, three-soft seam exploitation is always a very difficult thing, especially in three-soft seam
Which type of production technique to be most difficult something using when working face designs.Because selected production technique is not only wanted
Meet exploitation needs, and to meet national corresponding safety code and relevant industries standard;And the regulation and standard of the latter
The link that considers first in the design of three-soft seam working face, using which type of a kind of technology, not only can guarantee safety but also
It is the thinking core that the utility model solves the problems, such as not interfere production.Currently, home and abroad colliery is in three-soft seam recovery process one
As using anchoring support technology, metallic framework support technology etc., these support technologies are to use metal material, material sheet mostly
The dead weight of body can bring many troubles to worker in mining process again very much, such as:The very heavy inconvenient faceman of steel skeleton
Construction, that is, influence construction period again in the presence of some security risks.The material used in these support technologies be mostly it is disposable,
A large amount of use can also increase the technical problems such as the financial burden of coal mining enterprise.
Utility model content:
The technical problems to be solved in the utility model:A kind of mining liquid nitrogen filling apparatus is provided, to solve the prior art pair
Three-soft seam recovery process generally uses anchoring support technology, metallic framework support technology etc., these support technologies are adopted mostly
With metal material, the dead weight of material itself can bring many troubles to worker in mining process again very much, steel skeleton very it is heavy not
Facilitate the construction of faceman, that is, influences construction period and there is some security risks, the material used in these support technologies again
Material is disposable mostly, and a large amount of use can also increase the technical problems such as the financial burden of coal mining enterprise.
Technical solutions of the utility model:
A kind of mining liquid nitrogen filling apparatus, it includes fluid reservoir and pipeline, the liquid nitrogen outlet end of fluid reservoir and piping connection,
Level-one liquid nitrogen solenoid valve, gas-liquid phase separation mechanism, level-one booster body, two level liquid nitrogen solenoid valve are disposed on the pipeline
With mining liquid nitrogen filling head;It is cased with sealing device on mining liquid nitrogen filling head.
The level-one liquid nitrogen solenoid valve and two level liquid nitrogen solenoid valve are fixedly mounted in explosion-proof tank.
The fluid reservoir is columnar structured, and top is provided with liquid nitrogen inlet, and fluid reservoir side lower is provided with liquid nitrogen
Outlet, liquid nitrogen outlet and piping connection;Fluid reservoir internal layer is liquid nitrogen container liner, and outer layer is steel construction, liquid nitrogen container liner and outer layer
Between be provided with heat-insulating material.
The pipeline is three-decker, and innermost layer is aluminium film, aluminium film outer layer covers steel mesh, and steel mesh outer layer covers have rubber.
Gas-liquid phase separation mechanism top is columnar structured, and lower part is conical structure, columnar structured and circular cone
Shape structural attachments are provided with gas-liquid filter net, and top cylinder shape structure both sides are respectively arranged with liquid nitrogen gas feed and liquid nitrogen gas
Body exports, and level-one liquid separatnig plate, two level are disposed with below columnar structured internal liquid nitrogen gas feed and liquid nitrogen gas vent
Liquid separatnig plate and three-level liquid separatnig plate, columnar structured inner tip are fixed with deflector;Conical structure bottom end is water collector, is catchmented
It is provided with discharging valve on the outlet pipe of device.
The plate face face liquid nitrogen gas feed of deflector;The length of deflector from top extend to two level liquid separatnig plate and
Between three-level liquid separatnig plate;Deflector width is 50-the 70% of columnar structured diameter.
The liquid nitrogen filling tail end is connector, and pipeline is connect with connector, and liquid nitrogen filling head top is conical head;Even
Connector is that screwed pipe, pipeline and conical head are connected through a screw thread respectively with connector.
The beneficial effects of the utility model:
By the utility model, liquid nitrogen is rapidly injected three-soft seam, makes coal seam freezing, improves the intensity in coal seam and hard
Degree cancels anchoring support technology or metallic framework supporting etc.;The utility model is using the physical characteristic of nitrogen as liquefied nitrogen
Gas absorbs big calorimetric when gasifying, and to freeze, and because nitrogen boiling point is very low, coal body ambient temperature can be made to drop to very low,
Improve the ability that coal body bears upper load.Its feature have easy construction, cost is less, effect is good and loaded area range
Greatly, bearing load ability is excellent, and the utility model pipeline is formed using novel steel mesh rubber+aluminum film compounded, has stretching resistance, anti-
The features such as pressure, anti-aging, impermeable, waterproof, fire-retardant, insulation, acid and alkali-resistance, long service life;On the one hand the utility model passes through
Coal temperature is absorbed to enhance the bearing capacity of coal body using liquid nitrogen, effectively uniformly passes on by upper load;Another party
Face is allowed to by the way that traditional liquid nitrogen storage tank and liquid nitrogen charging line, liquid nitrogen storage tank is transformed using high-quality stainless steel material double layers of tank body
Intensity is high, intermediate to solve the problems, such as that liquid nitrogen gas thermostatic stores using filling heat insulator;Liquid nitrogen charging line uses rubber, steel
Net+aluminum film compounded forms, and technically improves liquid nitrogen charging line stretching resistance, resistance to compression, anti-aging, impermeable, waterproof, resistance
Combustion, insulation, acid and alkali-resistance and service life;It solves the prior art and anchoring support skill is generally used to three-soft seam recovery process
Art, metallic framework support technology etc., these support technologies are to use metal material, the dead weight of material itself that can give again very much mostly
Worker brings many troubles, the construction of the very heavy inconvenient faceman of steel skeleton to influence construction period in mining process
There are some security risks again, the material used in these support technologies is disposable mostly, and a large amount of use can also increase coal mine
The technical problems such as the financial burden of enterprise.
Description of the drawings:
Fig. 1 the utility model structure diagrams;
Fig. 2 is the utility model liquid storage tank structure schematic diagram;
Fig. 3 is the utility model pipeline structure schematic diagram;
Fig. 4 is the utility model gas-liquid phase separation mechanism structural schematic diagram;
Fig. 5 is the utility model liquid nitrogen filling head structural schematic diagram.
Specific implementation mode:
A kind of mining liquid nitrogen filling apparatus(See Fig. 1), it includes fluid reservoir 1 and pipeline 9, the liquid nitrogen outlet end of fluid reservoir 1
It is connect with pipeline 9, level-one liquid nitrogen solenoid valve 2, gas-liquid phase separation mechanism 3, level-one booster body is disposed on the pipeline 9
4, two level liquid nitrogen solenoid valve 5 and mining liquid nitrogen filling head 6;It is cased with sealing device 7 on mining liquid nitrogen filling head 6;Mining liquid nitrogen adds
Head 6 is extend into drilling 8, and sealing device 7 is covered in drilling 8, and sealing device 7 is made of sealing materials such as rubber, is covered
It covers and places helium leak in drilling 8.
The level-one liquid nitrogen solenoid valve 2 and two level liquid nitrogen solenoid valve 5 are fixedly mounted in explosion-proof tank;Prevent explosion accident
Occur.
The fluid reservoir 1 is columnar structured, and top is provided with liquid nitrogen inlet 15, and 1 side lower of fluid reservoir is provided with
Liquid nitrogen outlet 14, liquid nitrogen outlet 14 are connect with pipeline 9;1 internal layer of fluid reservoir is liquid nitrogen container liner 13, and outer layer 12 is steel, liquid nitrogen
Heat-insulating material 11 is provided between tank liner 13 and outer layer 12.
The pipeline 9 is three-decker, and innermost layer is aluminium film 22,22 outer layer covers steel mesh 23 of aluminium film, 23 outer layer packet of steel mesh
It is wrapped with rubber 21.
3 top of gas-liquid phase separation mechanism is columnar structured, and lower part is conical structure, columnar structured and circular cone
Shape structural attachments are provided with gas-liquid filter net 37, and top cylinder shape structure both sides are respectively arranged with liquid nitrogen gas feed 31 and liquid
Nitrogen outlet 38, columnar structured internal liquid nitrogen gas feed 31 and 38 lower section of liquid nitrogen gas vent are disposed with a fraction
Liquid plate 32, two level liquid separatnig plate 33 and three-level liquid separatnig plate 34, columnar structured inner tip are fixed with deflector 39;Conical structure
Bottom end is water collector 36, and discharging valve 35 is provided on the outlet pipe of water collector 36.
The plate face face liquid nitrogen gas feed 31 of deflector 39;The length of deflector 39 extends to two fractions from top
Between liquid plate 33 and three-level liquid separatnig plate 34;39 width of deflector is 50-the 70% of columnar structured diameter.
The nitrogen that liquid nitrogen gas feed 31 enters is directly blown onto on deflector 39, and the liquid in gas is past by deflector 39
Lower drop, gas are gone out from liquid nitrogen gas vent 38, for the liquid in further absorption nitrogen, using in liquid nitrogen gas feed 31
Level-one liquid separatnig plate 32, two level liquid separatnig plate 33 and three-level liquid separatnig plate 34 are set from 38 lower section of liquid nitrogen gas vent with gas.
6 tail end of liquid nitrogen filling head is connector 62, and pipeline 9 is connect with connector 62, and 6 top of liquid nitrogen filling head is
Conical head 63;Connector 62 is that screwed pipe, pipeline 9 and conical head 63 are connected through a screw thread respectively with connector 62, easy to disassemble
With cleaning component.
Claims (7)
1. a kind of mining liquid nitrogen filling apparatus, it includes fluid reservoir(1)And pipeline(9), fluid reservoir(1)Liquid nitrogen outlet end with pipe
Road(9)Connection, it is characterised in that:The pipeline(9)On be disposed with level-one liquid nitrogen solenoid valve(2), gas-liquid phase separation mechanism
(3), level-one booster body(4), two level liquid nitrogen solenoid valve(5)With mining liquid nitrogen filling head(6);Mining liquid nitrogen filling head(6)On
It is cased with sealing device(7).
2. a kind of mining liquid nitrogen filling apparatus according to claim 1, it is characterised in that:The level-one liquid nitrogen solenoid valve
(2)With two level liquid nitrogen solenoid valve(5)It is fixedly mounted in explosion-proof tank.
3. a kind of mining liquid nitrogen filling apparatus according to claim 1, it is characterised in that:The fluid reservoir(1)For cylinder
Shape structure, top are provided with liquid nitrogen inlet(15), fluid reservoir(1)Side lower is provided with liquid nitrogen outlet(14), liquid nitrogen outlet
(14)With pipeline(9)Connection;Fluid reservoir(1)Internal layer is liquid nitrogen container liner(13), outer layer(12)For steel construction, liquid nitrogen container liner
(13)With outer layer(12)Between be provided with heat-insulating material(11).
4. a kind of mining liquid nitrogen filling apparatus according to claim 1, it is characterised in that:The pipeline(9)For three-layered node
Structure, innermost layer are aluminium film(22), aluminium film(22)Outer layer covers steel mesh(23), steel mesh(23)Outer layer covers have rubber(21).
5. a kind of mining liquid nitrogen filling apparatus according to claim 1, it is characterised in that:The gas-liquid phase separation mechanism
(3)Top is columnar structured, and lower part is conical structure, columnar structured that conical structure junction is provided with gas-liquid mistake
Strainer(37), top cylinder shape structure both sides are respectively arranged with liquid nitrogen gas feed(31)With liquid nitrogen gas vent(38), cylinder
Shape inside configuration liquid nitrogen gas feed(31)With liquid nitrogen gas vent(38)Lower section is disposed with level-one liquid separatnig plate(32), two level
Liquid separatnig plate(33)With three-level liquid separatnig plate(34), columnar structured inner tip is fixed with deflector(39);Conical structure bottom end
For water collector(36), water collector(36)Outlet pipe on be provided with discharging valve(35).
6. a kind of mining liquid nitrogen filling apparatus according to claim 5, it is characterised in that:Deflector(39)Plate face face
Liquid nitrogen gas feed(31);Deflector(39)Length extend to two level liquid separatnig plate from top(33)With three-level liquid separatnig plate
(34)Between;Deflector(39)Width is 50-the 70% of columnar structured diameter.
7. a kind of mining liquid nitrogen filling apparatus according to claim 1, it is characterised in that:The liquid nitrogen filling head(6)Tail
End is connector(62), pipeline(9)With connector(62)Connection, liquid nitrogen filling head(6)Top is conical head(63);Connector
(62)For screwed pipe, pipeline(9)And conical head(63)With connector(62)It is connected through a screw thread respectively.
Priority Applications (1)
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CN201721464107.7U CN207778887U (en) | 2017-11-06 | 2017-11-06 | A kind of mining liquid nitrogen filling apparatus |
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CN201721464107.7U CN207778887U (en) | 2017-11-06 | 2017-11-06 | A kind of mining liquid nitrogen filling apparatus |
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CN207778887U true CN207778887U (en) | 2018-08-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107677026A (en) * | 2017-11-06 | 2018-02-09 | 贵州大学 | A kind of mining liquid nitrogen loading system |
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2017
- 2017-11-06 CN CN201721464107.7U patent/CN207778887U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107677026A (en) * | 2017-11-06 | 2018-02-09 | 贵州大学 | A kind of mining liquid nitrogen loading system |
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