CN204327059U - Igniter - Google Patents
Igniter Download PDFInfo
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- CN204327059U CN204327059U CN201420663266.XU CN201420663266U CN204327059U CN 204327059 U CN204327059 U CN 204327059U CN 201420663266 U CN201420663266 U CN 201420663266U CN 204327059 U CN204327059 U CN 204327059U
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- flashpan
- fuel gas
- interior pipe
- gasifying agent
- pipe
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Abstract
The utility model provides a kind of igniter, for carrying out coal seam igniting in drilling well in Underground Coal Gasification Process, comprising: pipeline, flashpan and ignition electrode; Pipeline comprises inner and outer tubes; Interior pipe is arranged within the outer tube, and forms gasifying agent passage with outer tube; Gasifying agent passage comprises air inlet port and gas outlet; Air inlet port is communicated with outside gasifying agent source; Gasifying agent is inputted gasifying agent passage from air inlet port by outside gasifying agent source, and is sprayed by gas outlet; Interior pipe one end is communicated with external fuel gas source, and the other end is communicated with flashpan; Flashpan arranges nozzle; Fuel gas is inputed to flashpan by interior pipe by external fuel gas source, and by the nozzle ejection on flashpan; Ignition electrode is fixedly connected with flashpan and suitable with the position of nozzle, for lighting the fuel gas from nozzle ejection.It is reasonable in design, structure is simple, flexible operation, can control ignition location, and ensure that the success rate of igniting, also improves operating efficiency simultaneously.
Description
Technical field
The utility model relates to coal underground gasification technology field, particularly a kind of igniter.
Background technology
Underground coal gasification(UCG) (Underground Coa l Gas if icat ion, UCG) is exactly controlledly burnt by the coal being in underground, by producing the process of fuel gas to the heat effect of coal and chemical action.This process integrates shaft building, coal mining, ground gasification three large techniques, becoming traditional physics mines as chemistry is mined, only extract in coal containing can component, and lime-ash, spoil etc. are stayed underground, achieve the unmanned production in underground, avoid the generation of personal injury and various mine accident, be described as " second generation " coal-mining method.
In Underground Coal Gasification Process, the coal seam being in underground is the gasification target of coal underground gasifying technology technology, therefore needs to set up coal underground gasifying furnace, and needs after underground gasification furnace relevant position place sets up burning things which may cause a fire disaster, the gasification to coal seam could be started, namely need to light a fire to subterranean coal.
For directed drilling, the main purpose of igniting meets the needs that subterranean coal sets up single or multiple burning things which may cause a fire disaster.The position of directed drilling igniting is generally in the horizontal segment coal seam place along directed drilling.Generally, needing the directed drilling of igniting, to have horizontal segment internal diameter little, and the degree of depth is large, and length is long, and drilling well inside exists certain ponding (coal seam water burst) and cinder, observability and detection property poor, the feature such as to be awkward.Under prior art conditions, there are some ignition methods can realize the igniting of underground gasification furnace directed drilling, as coke ignition method, electrical heating ignition method etc., but it is low that these ignition methods also exist ignition success rate, and ignition location is limited, ignition operation is complicated, cannot realize along the igniting of position, any coal seam of directed drilling and repeatedly light a fire in directed drilling coal seam gasification process, the shortcomings such as the needs of directional drilling coal seam gasification new technology cannot be met.
Utility model content
The purpose of this utility model be to provide a kind of reasonable in design, structure simple, strong adaptability, flexible operation, be convenient to control ignition location, and the igniter of ignition success rate can be improved.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of igniter, for carrying out coal seam igniting in drilling well in Underground Coal Gasification Process, comprising: pipeline, flashpan and ignition electrode;
Described pipeline comprises inner and outer tubes;
Described interior pipe is arranged in described outer tube, and forms gasifying agent passage with described outer tube;
Described gasifying agent passage comprises air inlet port and gas outlet;
Described air inlet port is communicated with outside gasifying agent source;
Gasifying agent is inputted described gasifying agent passage from described air inlet port by outside gasifying agent source, and is sprayed by described gas outlet;
Described interior pipe one end is communicated with external fuel gas source, and the other end is communicated with described flashpan;
Described flashpan arranges nozzle;
Fuel gas is inputed to described flashpan by described interior pipe by external fuel gas source, and by the described nozzle ejection on described flashpan;
Described ignition electrode is fixedly connected with described flashpan and suitable with the position of described nozzle, for lighting the fuel gas sprayed from described nozzle.
More preferably, the material of described interior pipe and described outer tube is flexible material.
More preferably, arrange between pipe between described interior pipe and described outer tube and support;
Support between described pipe and be fixedly connected with described outer tube with described interior pipe respectively, for by relative with described outer tube for described interior pipe fixing.
More preferably, the first thermocouple is also comprised;
In described interior pipe, the first built-in pipe is set;
Described first the installation of TC is in described first built-in pipe, and the position of point for measuring temperature is arranged on described nozzle.
More preferably, the second thermocouple is also comprised;
In described gasifying agent passage, the second built-in pipe is set;
Described second the installation of TC is in described second built-in pipe, and the position of point for measuring temperature is arranged on described gas outlet.
More preferably, described nozzle comprises housing, spring and valve gap;
Described housing is arranged fuel gas inlet and fuel gas outlet;
Fuel gas enters described enclosure interior from described fuel gas inlet, and is sprayed by described fuel gas outlet;
Described valve gap is connected on the inwall of described housing by described spring, and corresponding with described fuel gas inlet, for covering described fuel gas inlet under the elastic force effect of described spring.
More preferably, described interior pipe arranges spark arrester near one end of described flashpan.
More preferably, described flashpan arranges balancing weight;
The position of described balancing weight is corresponding with the position of described nozzle, for the direction relying on the weight of described balancing weight to adjust described nozzle.
More preferably, also bearing is comprised;
Described bearing is arranged between described flashpan and described interior pipe.
More preferably, described flashpan arranges water out;
Described first built-in pipe is communicated with external water source;
Water is inputted in described flashpan by described interior pipe by external water source, and is discharged by described water out.
The beneficial effects of the utility model are: reasonable in design, structure is simple, and flexible operation, can control ignition location, and ensure that the success rate of igniting.
Accompanying drawing explanation
Fig. 1 is that igniter one embodiment of the present utility model uses schematic diagram;
Fig. 2 is igniter one example structure schematic diagram of the present utility model;
Fig. 3 is nozzle schematic diagram in Fig. 2;
Wherein: 1 pipeline; 2 flashpans; 3 ignition electrodes; Pipe in 4; 5 outer tubes; 6 gasifying agent passages; 7 gas outlets; 8 nozzles; Support between 9 pipes; 10 first thermocouples; 11 first built-in pipes; 12 second thermocouples; 13 second built-in pipes; 14 housings; 15 springs; 16 valve gaps; 17 fuel gas inlets; 18 fuel gas outlet; 19 spark arresters; 20 balancing weights; 21 bearings; 22 delivery ports.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, igniter of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, 2, a kind of igniter, for carrying out coal seam igniting in drilling well in Underground Coal Gasification Process, comprising: pipeline 1, flashpan 2 and ignition electrode 3;
Pipeline 1 comprises interior pipe 4 and outer tube 5;
Interior pipe 4 is arranged in outer tube 5, and forms gasifying agent passage 6 with outer tube 5;
Gasifying agent passage 6 comprises air inlet port (not shown) and gas outlet 7;
Air inlet port is communicated with outside gasifying agent source;
Gasifying agent is inputted gasifying agent passage 6 from air inlet port by outside gasifying agent source, and is sprayed by gas outlet 7;
Interior pipe 4 one end is communicated with external fuel gas source, and the other end is communicated with flashpan 2;
Flashpan 2 is arranged nozzle 8, the quantity of nozzle 8 is more than 1 or 1;
Fuel gas is inputed to flashpan 2 by interior pipe 4 by external fuel gas source, and is sprayed by the nozzle 8 on flashpan 2;
Ignition electrode 3 is fixedly connected with flashpan 2 and suitable with the position of nozzle 8, for lighting the fuel gas from nozzle ejection.
Pipeline 1 stretches in directional well, and flashpan 2 is transported to the position needing igniting.Ignition electrode 3 can adopt electrically-fired mode, and namely ignition electrode 3 is connected to control end by the wire parallel with pipeline 1, and personnel carry out IGNITION CONTROL at control end.After mixing with the fuel gas sprayed from nozzle from the gasifying agent (as air) of gas outlet 7 ejection, lighted by ignition electrode 3 sparking, the success rate of the successful ignition of lighting a fire can be ensured.So not only flashpan 2 simply, and can be transported to the position needing igniting by reasonable in design, structure exactly, and controllability is good, goes back convenient operation simultaneously.When lighting a fire successfully, external fuel gas source stops inside pipe 4 to supply fuel gas, and outside gasifying agent source continues gasifying agent to be inputted by gasifying agent passage 6, be used for supporting that gasification furnace is produced, and without the need to proposing ignition installation, decrease workload, shorten gasification furnace igniting to the switching time of production run, improve operating efficiency.
More preferably, as a kind of embodiment of the present utility model, the material of interior pipe 4 and outer tube 5 is flexible material.
The material of interior pipe 4 and outer tube 5 is flexible material, SUS304 stainless steel can be adopted, but be not limited to this, pipeline 1 can be made like this to possess flexibility, the directional well of different depth can be adapted to, the part not stretching into directional well can be folded simultaneously, not only reduce space waste, but also be convenient to deposit.
More preferably, as a kind of embodiment of the present utility model, arrange between interior pipe 4 and outer tube 5 between pipe and support 9;
Support between pipe and 9 to be fixedly connected with outer tube 5 with interior pipe 4 respectively, for by relative with outer tube 5 for interior pipe 4 fixing.
Can ensure between interior pipe 4 and outer tube 5 firmly relatively-stationary like this, make pipeline 1 in the process going deep into directional well in pipe 4 and outer tube 5 motion be consistent, ensure that carrying out smoothly of ignition operation.
More preferably, as a kind of embodiment of the present utility model, also comprise the first thermocouple 10;
First built-in pipe 11 is set in interior pipe 4;
First thermocouple 10 is arranged in the first built-in pipe 11, and the position of point for measuring temperature is arranged on nozzle 8.
Wherein the first thermocouple 10 can adopt armouring galvanic couple, first built-in pipe 11 can with the integrated making of interior pipe 4, the position of point for measuring temperature is arranged on nozzle 8, can be judged by the temperature of monitoring point for measuring temperature that whether igniting is successful, provide firing information accurately to operating personnel like this, ensure that carrying out smoothly of ignition operation.
More preferably, as a kind of embodiment of the present utility model, also comprise the second thermocouple 12;
Second built-in pipe 13 is set in gasifying agent passage 6;
Second thermocouple 12 is arranged in the second built-in pipe 13, and the position of point for measuring temperature is arranged on gas outlet 7.
Wherein the second thermocouple 12 can adopt armouring galvanic couple, first built-in pipe 13 can making integrated with outer tube 5, the position of point for measuring temperature is arranged on gas outlet 7, can be judged by the temperature of monitoring point for measuring temperature that whether igniting is successful, provide firing information accurately to operating personnel like this, ensure that carrying out smoothly of ignition operation.Light a fire successfully, can also by understanding and grasping the running status of underground gasification furnace to the monitoring of the first thermocouple and the second thermocouple temperature measurement point temperature, for process adjustments provides foundation.
More preferably, as a kind of embodiment of the present utility model, as shown in Figure 3, nozzle 8 comprises housing 14, spring 15 and valve gap 16;
Housing 14 is arranged fuel gas inlet 17 and fuel gas outlet 18;
It is inner that fuel gas enters housing 14 from fuel gas inlet 17, and sprayed by fuel gas outlet 18;
Valve gap 16 is connected on the inwall of housing 14 by spring 15, and corresponding with fuel gas inlet 17, for covering fuel gas inlet 17 under the elastic force effect of spring 15.
When the injection pressure of fuel gas is greater than the elastic force of spring 15, at this moment valve gap 16 is opened, fuel gas is crossed fuel gas inlet 17 and is entered housing 14, when injection pressure is less than the elastic force of spring 15, fuel gas inlet 17 covers tightly by valve gap 16 under the elastic force effect of spring 15, can avoid like this occurring tempering when the injection pressure of fuel gas is less, nozzle 8 extraneous gas also can be avoided to backflow in nozzle 8.
More preferably, as a kind of embodiment of the present utility model, interior pipe 4 arranges spark arrester 19 near one end of flashpan 2.
Like this flame can be avoided to be back in interior pipe 4, improve safety, extend the application life of this igniter.
More preferably, as a kind of embodiment of the present utility model, flashpan 3 is arranged balancing weight 20;
The position of balancing weight 20 is corresponding with the position of nozzle 8, for relying on the direction of the weight adjustment nozzle 8 of balancing weight 20.
As shown in Figure 2, because the weight of balancing weight 20 is larger, like this by the regulating action of balancing weight 20, the direction of nozzle 8 can be made upwards, because ignition operation is flashpan 2 by the below in igniting coal seam mostly, the coal seam that flame is easy to above by flashpan 2 above nozzle 8 is lighted, and ensure that carrying out smoothly of ignition operation.
More preferably, as a kind of embodiment of the present utility model, bearing 21 is also comprised;
Bearing 21 is arranged between flashpan 2 and interior pipe 4.
Drive flashpan 2 to stretch in the process of directional well at pipeline 1 like this, flashpan 2 can relative to interior pipe 4 (i.e. pipeline 1) flexible rotating, makes pipeline 1 drive flashpan 2 to stretch into directional well and becomes and be more prone to, improve the adaptive capacity to working environment.
More preferably, as a kind of embodiment of the present utility model, flashpan 2 is arranged water out 22;
First built-in pipe 11 is communicated with external water source;
Water is inputted in flashpan 2 by the first built-in pipe 11 by external water source, and is discharged by water out 22.
Light a fire successfully, cooling water can be passed in the first built-in pipe 11 to cool this igniter, water out 22 can be arranged on the position near balancing weight 20, can ensure that water out 22 is in the minimum point of flashpan 2 like this, cooling water is flowed out by water out 22, can play simultaneously improve coal combustion state, improve the effect of gas composition.
Above embodiment makes the utility model have: reasonable in design, structure is simple, and flexible operation, can control ignition location, and ensure that the success rate of igniting, also improves operating efficiency simultaneously.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an igniter, for carrying out coal seam igniting in drilling well in Underground Coal Gasification Process, is characterized in that:
Comprise: pipeline, flashpan and ignition electrode;
Described pipeline comprises inner and outer tubes;
Described interior pipe is arranged in described outer tube, and forms gasifying agent passage with described outer tube;
Described gasifying agent passage comprises air inlet port and gas outlet;
Described air inlet port is communicated with outside gasifying agent source;
Gasifying agent is inputted described gasifying agent passage from described air inlet port by outside gasifying agent source, and is sprayed by described gas outlet;
Described interior pipe one end is communicated with external fuel gas source, and the other end is communicated with described flashpan;
Described flashpan arranges nozzle;
Fuel gas is inputed to described flashpan by described interior pipe by external fuel gas source, and by the described nozzle ejection on described flashpan;
Described ignition electrode is fixedly connected with described flashpan and suitable with the position of described nozzle, for lighting the fuel gas sprayed from described nozzle.
2. igniter according to claim 1, is characterized in that:
The material of described interior pipe and described outer tube is flexible material.
3. igniter according to claim 2, is characterized in that:
Arrange between pipe between described interior pipe and described outer tube and support;
Support between described pipe and be fixedly connected with described outer tube with described interior pipe respectively, for by relative with described outer tube for described interior pipe fixing.
4. igniter according to claim 1, is characterized in that:
Also comprise the first thermocouple;
In described interior pipe, the first built-in pipe is set;
Described first the installation of TC is in described first built-in pipe, and the position of point for measuring temperature is arranged on described nozzle.
5. igniter according to claim 1, is characterized in that:
Also comprise the second thermocouple;
In described gasifying agent passage, the second built-in pipe is set;
Described second the installation of TC is in described second built-in pipe, and the position of point for measuring temperature is arranged on described gas outlet.
6. the igniter according to claim 1 to 5 any one, is characterized in that:
Described nozzle comprises housing, spring and valve gap;
Described housing is arranged fuel gas inlet and fuel gas outlet;
Fuel gas enters described enclosure interior from described fuel gas inlet, and is sprayed by described fuel gas outlet;
Described valve gap is connected on the inwall of described housing by described spring, and corresponding with described fuel gas inlet, for covering described fuel gas inlet under the elastic force effect of described spring.
7. the igniter according to claim 1 to 5 any one, is characterized in that:
Described interior pipe arranges spark arrester near one end of described flashpan.
8. the igniter according to claim 1 to 5 any one, is characterized in that:
Described flashpan arranges balancing weight;
The position of described balancing weight is corresponding with the position of described nozzle, for the direction relying on the weight of described balancing weight to adjust described nozzle.
9. igniter according to claim 8, is characterized in that:
Also comprise bearing;
Described bearing is arranged between described flashpan and described interior pipe.
10. igniter according to claim 4, is characterized in that:
Described flashpan arranges water out;
Described first built-in pipe is communicated with external water source;
Water is inputted in described flashpan by described interior pipe by external water source, and is discharged by described water out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663266.XU CN204327059U (en) | 2014-11-06 | 2014-11-06 | Igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663266.XU CN204327059U (en) | 2014-11-06 | 2014-11-06 | Igniter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327059U true CN204327059U (en) | 2015-05-13 |
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ID=53163431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420663266.XU Active CN204327059U (en) | 2014-11-06 | 2014-11-06 | Igniter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327059U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461189A (en) * | 2017-09-30 | 2017-12-12 | 天津华北地质勘查局地质研究所 | A kind of underground coal gasification(UCG) deep hole ignition system and ignition method |
| CN107815330A (en) * | 2017-08-11 | 2018-03-20 | 新疆国利衡清洁能源科技有限公司 | Skid-mounted gas fuel ignition device and ignition method thereof |
| CN108142995A (en) * | 2018-02-06 | 2018-06-12 | 边至峰 | Electronic cigarette set |
| CN108729916A (en) * | 2018-07-17 | 2018-11-02 | 国氢能源科技有限公司 | A kind of underground gasification furnace coal seam igniter and retrogressing repeat igniting gasification method |
| CN111425179A (en) * | 2020-03-20 | 2020-07-17 | 北京国利衡清洁能源科技(集团)有限公司 | Novel ignition device and conveying system |
-
2014
- 2014-11-06 CN CN201420663266.XU patent/CN204327059U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107815330A (en) * | 2017-08-11 | 2018-03-20 | 新疆国利衡清洁能源科技有限公司 | Skid-mounted gas fuel ignition device and ignition method thereof |
| CN107461189A (en) * | 2017-09-30 | 2017-12-12 | 天津华北地质勘查局地质研究所 | A kind of underground coal gasification(UCG) deep hole ignition system and ignition method |
| CN107461189B (en) * | 2017-09-30 | 2023-07-25 | 天津市地质研究和海洋地质中心 | Underground coal gasification deep hole ignition system and ignition method |
| CN108142995A (en) * | 2018-02-06 | 2018-06-12 | 边至峰 | Electronic cigarette set |
| CN108729916A (en) * | 2018-07-17 | 2018-11-02 | 国氢能源科技有限公司 | A kind of underground gasification furnace coal seam igniter and retrogressing repeat igniting gasification method |
| CN111425179A (en) * | 2020-03-20 | 2020-07-17 | 北京国利衡清洁能源科技(集团)有限公司 | Novel ignition device and conveying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170207 Address after: 065001 Hebei economic and Technological Development Zone, Langfang science and Technology Park in the Southern District of B building, room 522 Patentee after: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 065001 Langfang City, Hebei Province Economic and Technological Development Zone of Langfang Huaxiang Xinyuan host new Austrian Science and Technology Park in Southern District Patentee before: ENN Coal Gasification Co., Ltd. |