CN219640021U - Coal pile nitrogen charging device - Google Patents
Coal pile nitrogen charging device Download PDFInfo
- Publication number
- CN219640021U CN219640021U CN202320093600.1U CN202320093600U CN219640021U CN 219640021 U CN219640021 U CN 219640021U CN 202320093600 U CN202320093600 U CN 202320093600U CN 219640021 U CN219640021 U CN 219640021U
- Authority
- CN
- China
- Prior art keywords
- pipe
- nitrogen charging
- charging device
- filter screen
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 58
- 239000003245 coal Substances 0.000 title claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 description 9
- 230000002269 spontaneous effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of coal stacking treatment equipment, in particular to a coal stacking nitrogen charging device which is connected with an external nitrogen charging hose through a connecting pipe, and is characterized in that the other end of the connecting pipe is fixedly connected with a connecting sleeve, the inner wall of the connecting sleeve is fixedly connected with a gas dispersing pipe through threads, and the bottom end of the gas dispersing pipe is fixedly connected with a conical plug through threads; and the outer tube wall of the air dispersing tube is also provided with air dispersing holes which are circumferentially distributed; the inner wall of the air dispersing pipe is connected with a filter screen in a contact mode. Compared with the common nitrogen charging device, the conical plug at the front end of the nitrogen charging device adopts a conical design, is easy to position in a coal pile and is easy to insert into the coal pile; a lining filter screen is arranged in the air dispersing holes, so that the pulverized coal can be prevented from being dispersed in the air dispersing holes from the air dispersing holes to block the air dispersing holes, and the air dispersing effect is influenced; the two ends of the filter screen are in threaded connection, so that the filter screen can be conveniently disassembled and recycled after being cleaned.
Description
Technical Field
The utility model relates to the technical field of coal stacking treatment equipment, in particular to a coal stacking nitrogen charging device.
Background
Spontaneous combustion of coal piled up in a coal yard often occurs, and particularly in summer and winter, the spontaneous combustion is more serious due to weather reasons and long-time piling up of part of foreign brown coal. Spontaneous combustion of coal brings risks to environmental protection management, and causes coal deficiency ton, which has great influence on the safety production and operation of the affiliated company. According to the spontaneous combustion condition of the storage yard, the fire protection cloth is used to cover the surface of the coal stack with the spontaneous combustion trend according to the principles of preventing the spontaneous combustion, being practical, saving, being simple and effective and the like, so that the full sealing is realized, and the novel nitrogen charging device is used below the fire protection cloth to charge nitrogen, thereby reducing the oxygen concentration to 5% or below, and achieving the purpose of preventing spontaneous combustion due to oxygen lack of coal.
When the technology of preventing spontaneous combustion by covering the coal pile with nitrogen filling is implemented, the nitrogen filling device is difficult to be inserted into the coal pile due to the conditions of water inlet solidification and the like of coal, and the nitrogen filling device inserted into the coal can enter from the air dispersing holes due to coal dust to be blocked, so that the air inlet efficiency is seriously reduced, and the nitrogen making device or the nitrogen conveying hose is possibly damaged due to overlarge pipeline pressure in serious cases.
Therefore, the novel anti-blocking nitrogen charging device is provided, the nitrogen charging device is easy to insert into a coal pile through design, and the purposes of easy and simple coal insertion, uniform gas dispersion and no blockage are achieved through adding an air duct lining filter screen of the nitrogen charging device and the like.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, a nitrogen charging device inserted into coal can be blocked due to the fact that coal dust enters from a gas dispersing hole, so that the gas inlet efficiency is seriously reduced, and a nitrogen making device or a nitrogen conveying hose is possibly damaged due to overlarge pipeline pressure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the coal pile nitrogen charging device is connected with an external nitrogen charging hose through a connecting pipe, and is characterized in that the other end of the connecting pipe is fixedly connected with a connecting sleeve, the inner wall of the connecting sleeve is fixedly connected with a gas dispersing pipe through threads, and the bottom end of the gas dispersing pipe is fixedly connected with a conical plug through threads;
and the outer tube wall of the air dispersing tube is also provided with air dispersing holes which are circumferentially distributed;
the inner wall of the air dispersing pipe is connected with a filter screen in a contact mode.
Preferably, an outer fixing cylinder is fixedly arranged on the outer ring thread of the connecting pipe close to one end of the connecting sleeve, and the bottom end of the outer fixing cylinder also extends downwards to the outer ring of the air dispersing pipe.
Preferably, the inside of the outer fixed cylinder is a counter bore, and an internal thread is arranged in the counter bore and is in threaded connection with a connecting pipe with an external thread.
Preferably, three layers of air dispersing holes which are circumferentially distributed from top to bottom and are radially spaced at 10cm intervals are formed in the outer tube wall of the air dispersing tube;
wherein, the interval distance between every two of the air dispersing holes on the same horizontal plane is equal, and the aperture of the air dispersing holes is 3mm in diameter.
Preferably, the outer wall of the connecting pipe is welded and fixed with a bilaterally symmetrical operating handle with the length of 20 cm.
Preferably, the filter screen is a stainless steel filter screen with the diameter of 25cm and 200 meshes, and the filter screen is tightly contacted with the inner wall of the air dispersing pipe.
Preferably, the connecting pipe, the connecting sleeve, the air dispersing pipe, the filter screen and the conical plug are made of stainless steel.
The beneficial effects of the utility model are as follows:
1. compared with the common nitrogen charging device, the conical plug at the front end of the nitrogen charging device adopts a conical design, is easy to position in a coal pile and is easy to insert into the coal pile.
2. According to the nitrogen charging device, the lining filter screen is arranged in the air dispersing holes, so that pulverized coal can be prevented from blocking the air dispersing holes to influence the air dispersing effect in the air dispersing holes.
3. According to the nitrogen charging device, two ends of the filter screen are in threaded connection, so that the nitrogen charging device can be conveniently disassembled, and the filter screen can be recycled after being cleaned.
Drawings
FIG. 1 is a schematic diagram of an axial measurement structure of a coal pile nitrogen charging device according to the present utility model;
FIG. 2 is a schematic diagram of a partial cross-sectional front view of a device for charging nitrogen in a coal pile according to the present utility model;
FIG. 3 is a schematic diagram of a front view of a device for charging nitrogen in a coal pile according to the present utility model;
fig. 4 is a schematic top view of a coal pile nitrogen charging device according to the present utility model;
FIG. 5 is a schematic view of the structure A-A in FIG. 2 of a coal pile nitrogen charging device according to the present utility model;
FIG. 6 is a schematic diagram of the structure of the air dispersing pipe, air dispersing holes and filter screen of the coal pile nitrogen charging device;
fig. 7 is a schematic diagram of a partial enlarged structure of fig. 2 of a coal pile nitrogen charging device according to the present utility model.
In the figure: 1 connecting pipe, 2 operating handle, 3 adapter sleeve, 4 air dispersing pipes, 5 filter screen, 6 conical plugs, 7 air dispersing holes and 8 external fixed cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
What is not described in detail in this specification is prior art known to those skilled in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Examples: referring to fig. 1-7, a coal pile nitrogen charging device is connected with an external nitrogen charging hose through a connecting pipe 1, the connecting pipe 1 is a stainless steel pipe with the diameter of 40cm, the other end of the connecting pipe 1 is fixedly connected with a connecting sleeve 3, the connecting sleeve 3 mainly plays a role in transitional connection, and when the difference between the inner diameter of the connecting pipe 1 and the outer diameter of a gas dispersing pipe 4 is large and the connecting sleeve 3 with internal and external threads is additionally arranged between the connecting pipe 1 and the gas dispersing pipe 4 when the threaded connection cannot be directly adopted, the connecting sleeve 3 plays a role in connecting the connecting pipe 1 and the gas dispersing pipe 4 and is also convenient for disassembling and assembling the gas dispersing pipe 4.
According to the utility model, the inner wall of the connecting sleeve 3 is fixedly connected with the air dispersing pipe 4 through threads, the air dispersing pipe 4 is a stainless steel pipe with the diameter of 35cm, the bottom end of the air dispersing pipe 4 is fixedly connected with the conical plug 6 through threads, the conical plug 6 is 15cm long, the conical angle is 15 degrees, the air dispersing pipe 4 is connected with the inner threads, and the plug is conical, so that the air dispersing pipe 4 can be conveniently inserted into a coal pile.
And, the outer tube wall of the air-dispersing tube 4 has still offered the air-dispersing hole 7 that is circumference form distribution, and the outer tube wall of air-dispersing tube 4 has offered the three-layer from last to down and has been circumference form distribution, and radial interval is 10 cm's air-dispersing hole 7, lie in the same horizontal plane and obtain the interval distance between two by two equal of air-dispersing hole 7, the aperture of air-dispersing hole 7 is diameter 3mm, the air-dispersing hole 7 of seting up can prevent that buggy from carrying out in the air-dispersing tube 4 from air-dispersing hole 7, block up air-dispersing hole 7, influence the air-dispersing effect, thereby utilize the air-dispersing hole 7 that is circumference form distribution, strengthen the air-dispersing effect.
In this embodiment, filter screen 5 has been installed in the inner wall adoption contact connection of gas diffusion pipe 4, and filter screen 5 selects diameter 25cm, 200 mesh stainless steel filter screen 5, just filter screen 5 and gas diffusion pipe 4 inner wall in close contact, inside lining filter screen 5 both ends threaded connection can come out gas diffusion pipe 4 from the inside rotation of adapter sleeve 3 to can be convenient install, dismantle, wash built-in filter screen 5, and reuse.
In this embodiment, the outer ring thread of the connecting pipe 1 near one end of the connecting sleeve 3 is fixedly provided with an outer fixed cylinder 8, the bottom end of the outer fixed cylinder 8 also extends downwards to the outer ring of the air dispersing pipe 4, the inside of the outer fixed cylinder 8 is a counter bore, and the inside of the counter bore is provided with an internal thread, and is in threaded connection with the connecting pipe 1 with the external thread provided outside.
In this embodiment, the outer wall welded fastening of connecting pipe 1 has bilateral symmetry's long 20 cm's operating handle 2, and the manual operation of being convenient for is when being connected outside nitrogen filled hose and connecting pipe 1, through holding operating handle 2, has increased the convenience of controlling the connection operation between connecting pipe 1 and the nitrogen filled hose.
In this embodiment, the connecting pipe 1, the connecting sleeve 3, the air dispersing pipe 4, the filter screen 5 and the conical plug 6 are made of stainless steel, and the stainless steel pipe has excellent corrosion resistance, weldability and high tensile strength, ensures the service performance of the nitrogen charging device, and can prolong the service life.
The working principle of the nitrogen charging device is as follows: the staff holds the operating handle 2 to place the conical choke plug 6 at a height of 1.0 m from the bottom of the coal pile, horizontally inserts the nitrogen charging device steel pipe connected with the nitrogen charging hose into the coal, the insertion amount is 4/5, starts the nitrogen charging machine, nitrogen enters the nitrogen charging device from the nitrogen charging hose, and then is scattered into the coal pile from densely distributed small holes (namely the air scattering holes 7 in the utility model) of the air scattering pipe 4 through the filter screen 5 of the nitrogen charging device, as the specific gravity of the nitrogen is larger than that of the oxygen, the continuously scattered nitrogen covers the coal surface, the oxygen in the coal pile covered by the fireproof cloth is squeezed away, the coal pile achieves the effect of preventing spontaneous combustion of the coal due to oxygen deficiency, and the filter screen 5 in the air scattering pipe 4 of the nitrogen charging device of the utility model prevents coal dust from entering the pipeline to achieve the purpose of preventing blockage (one end of the air scattering pipe 4 is unscrewed from the connecting sleeve 3, and the other end of the air scattering pipe 4 is rotationally separated from the conical choke plug 6), and then the filter screen 5 can be conveniently pulled out for cleaning.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The coal pile nitrogen charging device is connected with an external nitrogen charging hose through a connecting pipe (1), and is characterized in that the other end of the connecting pipe (1) is fixedly connected with a connecting sleeve (3), the inner wall of the connecting sleeve (3) is fixedly connected with a gas dispersing pipe (4) through threads, and the bottom end of the gas dispersing pipe (4) is fixedly connected with a conical plug (6) through threads;
in addition, the outer tube wall of the air dispersing tube (4) is also provided with air dispersing holes (7) distributed in a circumferential shape;
the inner wall of the air dispersing pipe (4) is connected with a filter screen (5) in a contact mode.
2. The coal pile nitrogen charging device according to claim 1, characterized in that an outer fixing cylinder (8) is fixedly arranged on an outer ring thread of one end of the connecting pipe (1) close to the connecting sleeve (3), and the bottom end of the outer fixing cylinder (8) also extends downwards to the outer ring of the air dispersing pipe (4).
3. The coal pile nitrogen charging device according to claim 2, characterized in that the inside of the outer fixed cylinder (8) is a counter bore, and the inside of the counter bore is provided with internal threads which are in threaded connection with a connecting pipe (1) with external threads.
4. The coal pile nitrogen charging device according to claim 1, characterized in that the outer pipe wall of the gas dispersing pipe (4) is provided with three layers of gas dispersing holes (7) which are circumferentially distributed from top to bottom and are radially spaced at 10cm intervals;
wherein, the interval distance between every two of the air holes (7) on the same horizontal plane is equal, and the aperture of the air holes (7) is 3mm in diameter.
5. The coal pile nitrogen charging device according to claim 1, wherein the outer wall of the connecting pipe (1) is welded and fixed with a bilaterally symmetrical operating handle (2) with the length of 20 cm.
6. The coal pile nitrogen charging device according to claim 1, characterized in that the filter screen (5) is a stainless steel filter screen (5) with a diameter of 25cm and 200 meshes, and the filter screen (5) is in close contact with the inner wall of the gas dispersing pipe (4).
7. The coal pile nitrogen charging device according to claim 1, wherein the connecting pipe (1), the connecting sleeve (3), the air dispersing pipe (4), the filter screen (5) and the conical plug (6) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093600.1U CN219640021U (en) | 2023-01-31 | 2023-01-31 | Coal pile nitrogen charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093600.1U CN219640021U (en) | 2023-01-31 | 2023-01-31 | Coal pile nitrogen charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219640021U true CN219640021U (en) | 2023-09-05 |
Family
ID=87822575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320093600.1U Active CN219640021U (en) | 2023-01-31 | 2023-01-31 | Coal pile nitrogen charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219640021U (en) |
-
2023
- 2023-01-31 CN CN202320093600.1U patent/CN219640021U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205677658U (en) | Coal mine gas extraction pipeline deslagging, dedusting, the Trinity that discharges water device | |
| CN206650383U (en) | A kind of cable protection pipe | |
| CN219640021U (en) | Coal pile nitrogen charging device | |
| CN209444898U (en) | A kind of natural gas Double-sleeve device | |
| CN200995105Y (en) | Conical assembled filter | |
| CN203803195U (en) | Vertical filter convenient to assemble and disassemble | |
| CN208090163U (en) | Drainage arrangement on ajutage | |
| CN206859264U (en) | A kind of multi-channel energy-saving safety manhole joint design | |
| CN206988147U (en) | A kind of high pressure desulfurization multistage centrifugal blower | |
| CN110224088B (en) | Centralized exhaust storage battery pack | |
| CN207520100U (en) | Cyclone separator and dust catcher | |
| CN207356785U (en) | A kind of gas and oil separating plant | |
| CN207584363U (en) | A kind of energy conservation and environmental protection vibration damping air accumulator | |
| CN216954682U (en) | Gas meter with monitoring and alarming functions | |
| CN214657552U (en) | High-modulus polypropylene double-wall corrugated pipe for municipal sewage and drainage | |
| CN214384412U (en) | Ventilation unit is used in basement construction | |
| CN215061362U (en) | Oil gas field long distance pipeline safety monitoring device | |
| CN212560128U (en) | Natural gas filtering device | |
| CN215673983U (en) | Wellhead plugging and guiding device | |
| CN215723175U (en) | Air inlet hood for circulating fluidized bed | |
| CN212226327U (en) | Concentric reducer | |
| CN218741042U (en) | Novel water washing tower | |
| CN216519785U (en) | Device for preventing coal gas from being mixed in water replenishing pipeline of wet dust removal water seal check valve of converter | |
| CN216224888U (en) | Cyclone separation device with detachable cyclone | |
| CN215928706U (en) | Gas pipeline sealing connection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |