CN204287095U - Coal spontaneous combustion intensification experimental tank - Google Patents
Coal spontaneous combustion intensification experimental tank Download PDFInfo
- Publication number
- CN204287095U CN204287095U CN201420620463.3U CN201420620463U CN204287095U CN 204287095 U CN204287095 U CN 204287095U CN 201420620463 U CN201420620463 U CN 201420620463U CN 204287095 U CN204287095 U CN 204287095U
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- China
- Prior art keywords
- tank body
- spontaneous combustion
- intake pipe
- coal spontaneous
- annular intake
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- 239000003245 coal Substances 0.000 title claims abstract description 34
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 30
- 230000002269 spontaneous effect Effects 0.000 title claims abstract description 30
- 239000002817 coal dust Substances 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000020 Nitrocellulose Substances 0.000 claims description 3
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 claims description 3
- 229920001220 nitrocellulos Polymers 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 17
- 238000012360 testing method Methods 0.000 abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 239000011280 coal tar Substances 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 copper mesh Chemical compound 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a kind of coal spontaneous combustion intensification experimental tank, wherein, comprising: tank body, wire netting, is arranged in described tank body, for bearing coal dust, annular intake pipe, be arranged in described tank body, and be positioned at the below of described wire netting, described annular intake pipe is arranged along the inwall of described tank body, described annular intake pipe arranges multiple gas outlet, coal spontaneous combustion intensification experimental tank that the utility model provides is offered by arranging annular intake pipe in tank body in described gas outlet towards the bottom of described tank body, annular intake pipe arranges gas outlet down, after pass into oxygen in tank body, the materials such as the coal tar produced and coal dust can not block gas outlet, maintain the stable of tank body build-in test environment, improve the accuracy of test.
Description
Technical field
The utility model relates to the proving installation of coal spontaneous combustion, particularly relates to a kind of coal spontaneous combustion intensification experimental tank.
Background technology
At present, mine fire has become global disaster, and human health, physical environment and Safety of Coal Mine Production in serious threat, causes huge environmental pollution and resources loss.Mine fire complex genesis, burning things which may cause a fire disaster is hidden, and difficulty of governance is large, has become current problem demanding prompt solution.
For the characteristic research in Coal Self-ignition Process, obtain primarily of intensification experimental provision, this experimental provision comprises intensification experimental tank.Experimental tank air intake opening of the prior art is in the bottom of tank body, and after passing into oxygen to experimental tank, this air intake opening easily blocks by the materials such as the coal tar of generation and coal dust, affects the test performance of experimental tank.
Utility model content
The utility model relates to a kind of coal spontaneous combustion intensification experimental tank, to solve the problems of the prior art, improves the accuracy of experiment test.
The utility model provides a kind of coal spontaneous combustion intensification experimental tank, wherein, comprising:
Tank body;
Wire netting, is arranged in described tank body, for bearing coal dust;
Annular intake pipe, is arranged in described tank body, and is positioned at the below of described wire netting, and described annular intake pipe is arranged along the inwall of described tank body, and described annular intake pipe arranges multiple gas outlet, and described gas outlet is offered towards the bottom of described tank body.
Coal spontaneous combustion intensification experimental tank as above, wherein, preferably: the copper pipe that described annular intake pipe is 8mm by diameter is made.
Coal spontaneous combustion intensification experimental tank as above, wherein, preferably: the quantity of described gas outlet is 8, is evenly distributed on described annular intake pipe.
Coal spontaneous combustion intensification experimental tank as above, wherein, preferably: described wire netting is 3 ± 0.2cm apart from the distance of the bottom of described tank body.
Coal spontaneous combustion intensification experimental tank as above, wherein, preferably: also comprise thermopair, be arranged on the inwall of described tank body, and described thermopair is positioned at the top of described wire netting.
Coal spontaneous combustion intensification experimental tank as above, wherein, preferably: between the inwall of described thermopair and described tank body, be provided with thermofin.
Coal spontaneous combustion intensification experimental tank as above, wherein, preferably: described thermofin is resistance to guncotton.
Coal spontaneous combustion intensification experimental tank as above, wherein, preferably: also comprise cover, described cover coordinates with the ring flange that described tank body is arranged, and is bolted to connection between described cover and described ring flange.
The coal spontaneous combustion intensification experimental tank that the utility model provides by arranging annular intake pipe in tank body, annular intake pipe arranges gas outlet down, after pass into oxygen in tank body, the materials such as the coal tar produced and coal dust can not block gas outlet, maintain the stable of tank body build-in test environment, improve the accuracy of test.
Accompanying drawing explanation
The schematic diagram of the coal spontaneous combustion intensification experimental tank partly cut-away that Fig. 1 provides for the utility model;
Fig. 2 is the upward view of annular intake pipe.
Embodiment
Below in conjunction with embodiment, the utility model is described in detail.The identical Reference numeral of wherein identical parts represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
The schematic diagram of the coal spontaneous combustion intensification experimental tank partly cut-away that Fig. 1 provides for the utility model, Fig. 2 is the upward view of annular intake pipe.
The utility model embodiment provides a kind of coal spontaneous combustion intensification experimental tank, comprises tank body 1, wire netting 2 and annular intake pipe 3.
Wherein, the structure of tank body 1 is identical with tank structure of the prior art, and those skilled in the art can select the tank body 1 of suitable volumes according to actual conditions.Tank body 1 is cylindrical barrel, can arrange cover 4 at the top of tank body 1, and tank body 1 and cover 4 form an airtight space jointly.
Particularly, ring flange 11 can be set at the top of tank body 1, utilize bolt 5 to be fixedly connected with ring flange 11 by cover 4.
As shown in Figure 1, wire netting 2 is arranged in tank body 1, for bearing coal dust 6, being passed into oxygen in tank body 1 through coal dust 6, testing the characteristic of autoigniting of coal dust 6.Wire netting can adopt copper, i.e. copper mesh, also can adopt other materials.
Annular intake pipe 3 to be arranged in described tank body 1, and is positioned at the below of described wire netting 2, and described annular intake pipe 3 is arranged along the inwall of described tank body 1, and it can be that the copper pipe being 8mm by diameter is made.It will be appreciated by persons skilled in the art that flow and the flow velocity according to passing into oxygen, the copper pipe in other apertures can be selected.Particularly, annular intake pipe 3 and tank body 1 inwall can be welded and fixed, and the sidewall of tank body 1 leave opening, to pass into oxygen by tank body externally in annular intake pipe 3.As shown in Figure 2, described annular intake pipe 3 arranges multiple gas outlet 31, described gas outlet 31 is offered towards the bottom of described tank body 1.Be passed into oxygen in annular intake pipe 3 along annularly flow, make same xsect each point air-flow size in tank body 1 uniform and stable.
Preferably, the quantity of gas outlet 31 is 8, is evenly distributed on described annular intake pipe 3, to contribute to the homogeneity of oxygen distribution in tank body 1 further.
Preferably, wire netting 2 is 3 ± 0.2cm apart from the distance of the bottom of described tank body 1, to make to leave gas buffer region between coal dust sample and annular intake pipe 3, makes distribution of gas uniform and stable
On the basis of above-described embodiment, the coal spontaneous combustion intensification experimental tank that the utility model embodiment provides also comprises thermopair 7, is arranged on the inwall of described tank body 1, and described thermopair 7 is positioned at the top of described wire netting 2.Upper opening by probe being arranged on tank body in prior art is measured, it measures out of true, in the present embodiment, thermopair 7 is arranged on the inwall of tank body 1, and be positioned at the medium position of tank body 1, direct measuring tempeature, converts thermopower signal to temperature signal, is converted to the temperature of gas in tank body by electric meter.
Preferably, between above-mentioned thermopair 7 and the inwall 1 of tank body, be provided with thermofin, avoid heat to be passed by tank body, thermofin can select multiple material, such as, in prior art conventional resistance to guncotton.
The coal spontaneous combustion intensification experimental tank that the utility model provides by arranging annular intake pipe in tank body, annular intake pipe arranges gas outlet down, after pass into oxygen in tank body, the materials such as the coal tar produced and coal dust can not block gas outlet, maintain the stable of tank body build-in test environment, improve the accuracy of test.
The coal spontaneous combustion intensification experimental tank that the utility model embodiment provides has uniform stream, the stable characteristic of test coal sample, convenient experimental operation, test data of experiment is more accurate, can Study on Coal ignition quality better, for mine fire prevention and improvement provide reliable Data support.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a coal spontaneous combustion intensification experimental tank, is characterized in that, comprising:
Tank body;
Wire netting, is arranged in described tank body, for bearing coal dust;
Annular intake pipe, is arranged in described tank body, and is positioned at the below of described wire netting, and described annular intake pipe is arranged along the inwall of described tank body, and described annular intake pipe arranges multiple gas outlet, and described gas outlet is offered towards the bottom of described tank body.
2. coal spontaneous combustion intensification experimental tank according to claim 1, is characterized in that: the copper pipe that described annular intake pipe is 8mm by diameter is made.
3. coal spontaneous combustion intensification experimental tank according to claim 1, is characterized in that: the quantity of described gas outlet is 8, is evenly distributed on described annular intake pipe.
4., according to the arbitrary described coal spontaneous combustion intensification experimental tank of claim 1-3, it is characterized in that: described wire netting is 3 ± 0.2cm apart from the distance of the bottom of described tank body.
5., according to the arbitrary described coal spontaneous combustion intensification experimental tank of claim 1-3, it is characterized in that: also comprise thermopair, be arranged on the inwall of described tank body, and described thermopair is positioned at the top of described wire netting.
6. coal spontaneous combustion intensification experimental tank according to claim 5, is characterized in that: be provided with thermofin between the inwall of described thermopair and described tank body.
7. coal spontaneous combustion intensification experimental tank according to claim 6, is characterized in that: described thermofin is resistance to guncotton.
8., according to the arbitrary described coal spontaneous combustion intensification experimental tank of claim 1-3, it is characterized in that: also comprise cover, described cover coordinates with the ring flange that described tank body is arranged, and is bolted to connection between described cover and described ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620463.3U CN204287095U (en) | 2014-10-24 | 2014-10-24 | Coal spontaneous combustion intensification experimental tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620463.3U CN204287095U (en) | 2014-10-24 | 2014-10-24 | Coal spontaneous combustion intensification experimental tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204287095U true CN204287095U (en) | 2015-04-22 |
Family
ID=52870244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420620463.3U Active CN204287095U (en) | 2014-10-24 | 2014-10-24 | Coal spontaneous combustion intensification experimental tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204287095U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943995B (en) * | 2015-06-16 | 2017-10-17 | 西安科技大学 | Self-heating coal sample tank and the method that coal spontaneous combustion characteristic test heating coal is carried out with the tank |
| CN113640174A (en) * | 2021-06-30 | 2021-11-12 | 中煤科工集团沈阳研究院有限公司 | Coal gas adsorption desorption heating oxidation coupling experiment platform and experiment method thereof |
-
2014
- 2014-10-24 CN CN201420620463.3U patent/CN204287095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943995B (en) * | 2015-06-16 | 2017-10-17 | 西安科技大学 | Self-heating coal sample tank and the method that coal spontaneous combustion characteristic test heating coal is carried out with the tank |
| CN113640174A (en) * | 2021-06-30 | 2021-11-12 | 中煤科工集团沈阳研究院有限公司 | Coal gas adsorption desorption heating oxidation coupling experiment platform and experiment method thereof |
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| GR01 | Patent grant |