CN203422002U - Coal pile spontaneous combustion preventing device - Google Patents
Coal pile spontaneous combustion preventing device Download PDFInfo
- Publication number
- CN203422002U CN203422002U CN201320384864.9U CN201320384864U CN203422002U CN 203422002 U CN203422002 U CN 203422002U CN 201320384864 U CN201320384864 U CN 201320384864U CN 203422002 U CN203422002 U CN 203422002U
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- Prior art keywords
- fin
- working medium
- condenser pipe
- medium tube
- coal pile
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Abstract
The utility model discloses a coal pile spontaneous combustion preventing device which comprises a working medium pipe, a first fin and a second fin. The two ends of the working medium pipe are sealed, the lower end of the working medium pipe is in a cone shape, liquid working media are arranged inside the working medium pipe, condensation pipes with the closed upper ends and the opened lower ends are arranged at the top of the working medium pipe, the lower ends of the condensation pipes are communicated with the top of the working medium pipe, a plurality of the condensation pipes are arranged, the condensation pipes are arranged in an umbrella shape, the first fin and the second fin are arranged above the working medium pipe and are arranged and distributed symmetrically, an airflow channel with the two wide ends and the narrow middle is formed between the first fin and the second fin, the inner side of the first fin is fixedly connected with the outer side walls of the condensation pipes close to the first fin, and the inner side of the second fin is fixedly connected with the outer side walls of the condensation pipes close to the second fin. According to the coal pile spontaneous combustion preventing device, coal pile spontaneous combustion is prevented from occurring with the help of the phase change of the working media from liquid into, heat accumulation of a coal pile can be fast eliminated, the problem that cooling efficiency is low due to the fact that the mode of spraying water and inserting a metal pipe is adopted for cooling is solved, heat dissipation efficiency is high, and the operation is convenient.
Description
Technical field
The utility model belongs to self-ignition of coal pile prevention technique field, specifically relates to a kind of self-ignition of coal pile prevent mean.
Background technology
The phenomenon ubiquity of self-ignition of coal pile breaking out of fire, has caused a large amount of energy wastes and environmental pollution, how to remove the inner heat producing of a large amount of dumps and has become subject matter.The mode of taking is at present mainly that water filling lowers the temperature to weaken dump heat, but the upwards hot-fluid that generally dump produces has stoped water heat source to flow, and causes dump cooling water for fire extinguishing not reach desired location.Another conventional method is exactly in dump, to insert the heat conduction of metal bar by metal to reach the object to dump heat radiation, prevent self-ignition of coal pile, but this mode heat transfer efficiency is poor, and cooling efficiency is low, can not effectively prevent the generation of self-ignition of coal pile phenomenon.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of self-ignition of coal pile prevent mean is provided, it is simple in structure, reasonable in design and use easy to operate, rely on working medium from liquid state to gaseous state phase transformation, to prevent self-ignition of coal pile to occur, can eliminate fast the thermal accumlation of dump, solved and adopted the mode of trickle and slotting metal tube to lower the temperature to have the inefficient problem of cooling, radiating efficiency is high simultaneously, convenient operation.
For achieving the above object, the technical solution adopted in the utility model is: a kind of self-ignition of coal pile prevent mean, it is characterized in that: comprise working medium tube, the first fin and the second fin, the two ends of described working medium tube are all sealed, the tapered shape in lower end of described working medium tube, in described working medium tube, be provided with liquid working substance, the top of described working medium tube is provided with upper end closed, the condenser pipe of lower ending opening, the lower end of described condenser pipe is connected with the top of working medium tube, the quantity of described condenser pipe is many, many described condenser pipes are umbrella and lay, described the first fin and the second fin are all arranged on the top of working medium tube, the narrow gas channel in wide centre, two ends is laid and formed to described the first fin and the second fin symmetry between the two, the inner side of described the first fin is fixedly connected with the lateral wall of condenser pipe near it, the inner side of described the second fin is fixedly connected with the lateral wall of condenser pipe near it.
Above-mentioned a kind of self-ignition of coal pile prevent mean, is characterized in that: the lower end of described condenser pipe is stretched in working medium tube, and the degree of depth that described working medium tube stretches into condenser pipe is 2cm～3cm.
Above-mentioned a kind of self-ignition of coal pile prevent mean, is characterized in that: the volume of described liquid working substance is 30%～50% of working medium tube volume.
Above-mentioned a kind of self-ignition of coal pile prevent mean, is characterized in that: described liquid working substance is anion water.
Above-mentioned a kind of self-ignition of coal pile prevent mean, is characterized in that: described working medium tube and condenser pipe are copper pipe or carbon steel pipe.
Above-mentioned a kind of self-ignition of coal pile prevent mean, is characterized in that: described the first fin and the second fin are aluminium fin.
Above-mentioned a kind of self-ignition of coal pile prevent mean, is characterized in that: between described condenser pipe and working medium tube, between condenser pipe and the first fin and the connected mode between condenser pipe and the second fin be welding.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design and use easy to operate.
2, the utility model relies on working medium from liquid state to gaseous state phase transformation, to prevent self-ignition of coal pile to occur, thermotonus to dump inside is sensitive, can eliminate fast the thermal accumlation of dump, the generation of prevention self-ignition of coal pile phenomenon, solved and adopted the mode of trickle and slotting metal tube to lower the temperature to have the inefficient problem of cooling, and radiating efficiency is high, convenient operation.
3, the quantity of condenser pipe of the present utility model is many and is umbrella laying, has therefore greatly increased the return flow path of heat transfer area and liquid working substance, impels liquid working substance cooling for reflux quickly.
4, a part of condenser pipe of the present utility model is fixedly connected with the first fin, part condenser pipe is fixedly connected with the second fin, between the first fin and the second fin, form the narrow gas channel in wide centre, two ends, this gas channel can form trunnion effect, when outside air passes through from gas channel, can effectively promote the forced convection of air like this, can take away rapidly the heat of condenser pipe, guarantee that liquid working substance refluxes fast in time.
5, simple, the low cost of manufacture of the utility model manufacture, is suitable for promoting the use of.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Description of reference numerals:
1-1-the first fin; 1-2-the second fin; 2-condenser pipe;
3-working medium tube; 4-liquid working substance; 5-gas channel.
The specific embodiment
As shown in Figure 1 to Figure 3, the utility model comprises working medium tube 3, the first fin 1-1 and the second fin 1-2, the two ends of described working medium tube 3 are all sealed, the tapered shape in lower end of described working medium tube 3, in described working medium tube 3, be provided with liquid working substance 4, the top of described working medium tube 3 is provided with upper end closed, the condenser pipe 2 of lower ending opening, the lower end of described condenser pipe 2 is connected with the top of working medium tube 3, the quantity of described condenser pipe 2 is many, many described condenser pipes 2 are umbrella and lay, described the first fin 1-1 and the second fin 1-2 are all arranged on the top of working medium tube 3, the narrow gas channel 5 in wide centre, two ends is laid and formed to described the first fin 1-1 and the second fin 1-2 symmetry between the two, the inner side of described the first fin 1-1 is fixedly connected with the lateral wall of condenser pipe 2 near it, the inner side of described the second fin 1-2 is fixedly connected with the lateral wall of condenser pipe 2 near it.
In the present embodiment, the inside of working medium tube 3 is stretched in the lower end of described condenser pipe 2, and the degree of depth that described working medium tube 3 stretches into condenser pipe 2 is 2cm～3cm, guarantees the connection reliability of condenser pipe 2 and working medium tube 3, and is beneficial to liquid working substance 4 and enters condenser pipe 2.
In the present embodiment, the volume of described liquid working substance 4 is 30%～50% of working medium tube 3 volumes, is beneficial to liquid working substance and is heated, and heat-transfer effect is high.
In the present embodiment, described liquid working substance 4 is anion water, has anti-oxidant (reduction) effect, can prevent working medium tube 3 to cause corrosion.
In the present embodiment, described working medium tube 3 and condenser pipe 2 are copper pipe or carbon steel pipe, and load performance is strong, good heat conduction effect.
In the present embodiment, described the first fin 1-1 and the second fin 1-2 are aluminium fin, and quality is light, good heat conduction effect.
In the present embodiment, between described condenser pipe 2 and working medium tube 3, between condenser pipe 2 and the first fin 1-1 and the connected mode between condenser pipe 2 and the second fin 1-2 be welding, connected mode is simple, fixed.
Operation principle of the present utility model is: during use, the tapered end of working medium tube 3 is inserted in dump and control the degree of depth of its insertion, while having thermal accumlation in dump, the heat that working medium tube 3 absorbs in dump, by its inner liquid working substance 4 gasifications, steam rising is delivered to condenser pipe 2 heat, and condenser pipe 2 is to extraneous releasing heat energy.Because the quantity of condenser pipe 2 is many and is umbrella and lays, therefore greatly increased the return flow path of heat transfer area and liquid working substance 4, impel the liquid working substance 4 can be cooling quickly.Because a part of condenser pipe 2 is fixedly connected with the first fin 1-1, part condenser pipe 2 is fixedly connected with the second fin 1-2, between the first fin 1-1 and the second fin 1-2, form the narrow gas channel 5 in wide centre, two ends, this gas channel can form trunnion effect, when outside air passes through from gas channel 5, can effectively promote the forced convection of air, take away rapidly the heat on condenser pipe 2, guarantee that liquid working substance 4 refluxes fast in time.The rear gaseous liquid working medium of cooling becomes liquid and is back to working medium tube 3 again, and the circulation going round and beginning again reaches the object of removing dump internal heat, and then prevention self-ignition of coal pile phenomenon occurs.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (7)
1. a self-ignition of coal pile prevent mean, it is characterized in that: comprise working medium tube (3), the first fin (1-1) and the second fin (1-2), the two ends of described working medium tube (3) are all sealed, the tapered shape in lower end of described working medium tube (3), in described working medium tube (3), be provided with liquid working substance (4), the top of described working medium tube (3) is provided with upper end closed, the condenser pipe of lower ending opening (2), the lower end of described condenser pipe (2) is connected with the top of working medium tube (3), the quantity of described condenser pipe (2) is many, many described condenser pipes (2) are umbrella and lay, described the first fin (1-1) and the second fin (1-2) are all arranged on the top of working medium tube (3), the narrow gas channel (5) in wide centre, two ends is laid and formed to described the first fin (1-1) and the second fin (1-2) symmetry between the two, the inner side of described the first fin (1-1) is fixedly connected with the lateral wall of condenser pipe (2) near it, the inner side of described the second fin (1-2) is fixedly connected with the lateral wall of condenser pipe (2) near it.
2. according to a kind of self-ignition of coal pile prevent mean claimed in claim 1, it is characterized in that: the lower end of described condenser pipe (2) is stretched in working medium tube (3), the degree of depth that described working medium tube (3) stretches into condenser pipe (2) is 2cm～3cm.
3. according to a kind of self-ignition of coal pile prevent mean described in claim 1 or 2, it is characterized in that: the volume of described liquid working substance (4) is 30%～50% of working medium tube (3) volume.
4. according to a kind of self-ignition of coal pile prevent mean described in claim 1 or 2, it is characterized in that: described liquid working substance (4) is anion water.
5. according to a kind of self-ignition of coal pile prevent mean described in claim 1 or 2, it is characterized in that: described working medium tube (3) and condenser pipe (2) are copper pipe or carbon steel pipe.
6. according to a kind of self-ignition of coal pile prevent mean described in claim 1 or 2, it is characterized in that: described the first fin (1-1) and the second fin (1-2) are aluminium fin.
7. according to a kind of self-ignition of coal pile prevent mean described in claim 1 or 2, it is characterized in that: between described condenser pipe (2) and working medium tube (3), between condenser pipe (2) and the first fin (1-1) and the connected mode between condenser pipe (2) and the second fin (1-2) be welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384864.9U CN203422002U (en) | 2013-06-29 | 2013-06-29 | Coal pile spontaneous combustion preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384864.9U CN203422002U (en) | 2013-06-29 | 2013-06-29 | Coal pile spontaneous combustion preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422002U true CN203422002U (en) | 2014-02-05 |
Family
ID=50021097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320384864.9U Expired - Fee Related CN203422002U (en) | 2013-06-29 | 2013-06-29 | Coal pile spontaneous combustion preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963890A (en) * | 2016-06-15 | 2016-09-28 | 张舒维 | Intelligent fire fighting system for industrial occasion |
| CN116878310A (en) * | 2023-07-20 | 2023-10-13 | 中国矿业大学(北京) | Circulation water type coal storage pile oxidation heat energy utilization and spontaneous combustion control system |
-
2013
- 2013-06-29 CN CN201320384864.9U patent/CN203422002U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963890A (en) * | 2016-06-15 | 2016-09-28 | 张舒维 | Intelligent fire fighting system for industrial occasion |
| CN116878310A (en) * | 2023-07-20 | 2023-10-13 | 中国矿业大学(北京) | Circulation water type coal storage pile oxidation heat energy utilization and spontaneous combustion control system |
| CN116878310B (en) * | 2023-07-20 | 2023-12-08 | 中国矿业大学(北京) | Circulation water type coal storage pile oxidation heat energy utilization and spontaneous combustion control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140629 |
|
| EXPY | Termination of patent right or utility model |