CN103322590B - Pulverized coal furnace natural gas igniter - Google Patents
Pulverized coal furnace natural gas igniter Download PDFInfo
- Publication number
- CN103322590B CN103322590B CN201310281257.4A CN201310281257A CN103322590B CN 103322590 B CN103322590 B CN 103322590B CN 201310281257 A CN201310281257 A CN 201310281257A CN 103322590 B CN103322590 B CN 103322590B
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- power
- natural gas
- fixing termination
- line terminal
- insulating tube
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Abstract
The invention relates to the field of ignition of heat supply devices using pulverized coal as combustion medium, in particular to a pulverized coal furnace natural gas igniter which can be ignited remotely. The pulverized coal furnace natural gas igniter comprises a hand-held protecting tube, a front fixing end, a fuel gas conveying unit, a direct-current pulse circuit unit and a rear fixing end. A threaded gas inlet hole is formed in the hand-held protecting tube. An air hole is formed in the front fixing end. Multi-stage insulating ceramic tubes for fixing and insulating are disposed outside each power supply wiring terminal from an igniting end to the end connected with wiring nuts. The front fixing end is slidably connected with both the first-stage insulating ceramic tube and the hand-held protecting tube. The rear fixing end is connected with the last-stage insulating ceramic tube in a threaded manner through tightening screws. The hand-held protecting tube is connected with the rear fixing end in a threaded manner. The pulverized coal furnace natural gas igniter has the advantages that the pulverized coal furnace natural gas igniter is high in capability of continuous combustion and capable of remote and long-term ignition, application cost is lowered, no pollutant gases are generated after fuel is combusted, and environments are protected.
Description
Technical field
The present invention relates to Pulverized Coal the field of igniting of the heating equipment being combustion medium, be specifically related to a kind of coal-powder boiler natural gas igniter that can ignite at a distance.
Background technology
Existing is that the heating equipment of combustion medium utilizes heavy oil as pilot fuel mostly with Pulverized Coal, and the heavy oil not only cost that ignites is high, and is the device structure complexity of igniting of fuel with heavy oil, use cost and maintenance cost high, be in the heating equipment of combustion medium with Pulverized Coal, it is large that combustion process has wind-force, oxygen-supplying amount is large, Pulverized Coal sufficient combustion, residue is few, burning rapidly, the features such as heat is large, this burning things which may cause a fire disaster that just requires to ignite must have the function of igniting at a distance for a long time, and natural gas is as pilot fuel, along with rise of the oil price, fuel ignition cost is used to improve, for reducing coal-powder boiler igniting cost further, adopt calorific value higher, the natural gas of relative low price carries out coal-powder boiler igniting and steady combustion is necessary, natural gas can not only meet as pilot fuel and ignites at a distance for a long time, also there is cost simultaneously low, the advantage of protection of the environment.
Also occurred in existing coal-powder boiler that some use natural gas as the equipment that ignites of pilot fuel; but this ignites equipment all more or less there is such or such shortcoming; the insulation protection weak effect of such as igniting unit easily causes ignition installation to damage; combustion-supporting gas enters to have some setbacks and causes igniting or surely firing weak effect etc. shortcoming, limits the use of natural gas igniter in coal-powder boiler.
Summary of the invention
The present invention overcomes above-mentioned the deficiencies in the prior art provides a kind of afterflame ability coal-powder boiler natural gas igniter that is strong, that ignite for a long time at a distance.
Technical scheme of the present invention is achieved in that a kind of coal-powder boiler natural gas igniter, it is characterized in that: comprise hand and hold pillar, front fixing termination, fuel gas transmission unit, direct-flow impulse circuit unit and rear fixing termination, described hand is held on pillar and is offered thread inleting hole, before described, fixing termination offers passage, described fuel gas transmission unit comprises Gas Pipe, pressure-reducing valve, valve, air hose, air throttle and combustion gas trachea, and described combustion gas trachea is connected with natural gas cylinder by air hose, pressure-reducing valve and valve, described direct-flow impulse circuit unit comprise the direct current electric power storage pulse power, power line, power-line terminal and be connected with power-line terminal connect electric nut, described Gas Pipe and front fixing termination and rear fixing termination are all spirally connected, be provided with outside described power-line terminal fixed insulation effect from sparking one end to the multistage insulating ceramics pipe connecing electric nut and connect one end, described insulating ceramics pipe comprises large aperture end and small-bore end, stomidium footpath, described large aperture coordinates with described small-bore end, before described, fixing termination offers the hole be slidably matched with first order insulating ceramics pipe large aperture end, fixing termination and first order insulating ceramics pipe before described, hand is held pillar and is all slidably connected, described rear fixing termination and afterbody insulating ceramics pipe are spirally connected by screw, described hand holds pillar and rear fixing termination is spirally connected.
Described afterbody insulating ceramics pipe is tightening insulating ceramics pipe, and the small-bore end of tightening insulating ceramics pipe passes screw centre bore, screw end-face hole wall pressure tight large aperture end end face.
Described thread inleting hole is circumscribed with air delivering pipeline.
Sparking one end tip diameter of described power-line terminal is by carefully thicker, and the small-bore stomidium wall clamping power-line terminal of first order insulating ceramics pipe, the other end of power-line terminal is provided with screw thread, connects electric nut and fixedly screws the power-line terminal other end.
Described Gas Pipe, front fixing termination and rear fixing termination are rigid body.
The good effect that technical scheme of the present invention produces is as follows: this igniter adopts natural gas to be the burning things which may cause a fire disaster that ignites, and conveniently, afterflame is very capable, can solve the problem of the burning things which may cause a fire disaster afterflame scarce capacity that ignites for transport and conveying; This igniter length of igniting reaches 2 meters, and the light manual operations of quality flexibly, well solves ignite safety and problem easily; Gas burning system igniter adopts natural gas to be the burning things which may cause a fire disaster that ignites, gas pressure difference can be utilized to transmit combustion gas, do not need special conveying equipment (as air pump), equipment can while saving cost of manufacture, save operating cost, add that the cost of natural gas own is low in turn saves application cost, and equipment also to have combustion cleaning pollution-free, the advantages such as technology maturation is reliable.
Insulating ceramics pipe is through on power-line terminal, insulating ceramics pipe ceramic material used has good hot-face insulation performance, the highest refractory temperature can reach thousands of degree, ceramic material still can keep good shape stability and insulating properties at relatively high temperatures, maximum temperature (being generally about 200 degree) when the temperature that material tolerates normally works far above igniter firing tip, therefore gas burning system igniter is selected insulating ceramics pipe to do insulating materials greatly can to strengthen the stability and insulating reliability that connect electric system, enhance systemic-function; Sparking one end tip diameter of described power-line terminal is by carefully thicker, the small-bore stomidium wall clamping power-line terminal of first order insulating ceramics pipe, the other end of power-line terminal is provided with screw thread, connects electric nut and fixedly screws the power-line terminal other end, realizes reliable insulation with fixing; It is be slidably connected that first order insulating ceramics Guan Yuqian fixes termination, can fix the actual syndeton length in termination adjust coupled position according to Gas Pipe and front and back.
Accompanying drawing explanation
Fig. 1 is the left TV structure schematic diagram of igniter of the present invention.
Fig. 2 is the right TV structure schematic diagram of igniter of the present invention.
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1 of the present invention.
Fig. 4 is the partial enlarged drawing of B in Fig. 3 of the present invention.
Be labeled as in figure: 1, front fixing termination; 2, rear fixing termination; 3, hand holds pillar; 4, thread inleting hole; 5, passage; 6, Gas Pipe; 7, screw; 8, combustion gas trachea; 9, air throttle; 10, the direct current electric power storage pulse power; 11, power line; 12, positive supply binding post; 13, negative supply binding post; 14, electric nut is connect; 15, first order insulating ceramics pipe; 16, afterbody insulating ceramics pipe.
Note: " power line " mentioned in present patent application file (claims, description and specification digest) is " positive power line " and " negative power line ", list no longer separately, " the power line binding post " mentioned is also " positive supply binding post " and " negative supply binding post ", lists no longer separately.
Detailed description of the invention
A kind of coal-powder boiler natural gas igniter, as shown in Figure 1, 2, 3, comprise fuel gas transmission unit, direct-flow impulse circuit unit, front fixing termination 1, rear fixing termination 2 and hand and hold pillar 3, described hand is held on pillar and is offered thread inleting hole 4, before described, fixing termination offers passage 5, described fuel gas transmission unit comprises Gas Pipe 6, pressure-reducing valve, valve, air hose, air throttle 9 and combustion gas trachea 8, and described combustion gas trachea is connected with natural gas cylinder by air hose, pressure-reducing valve and valve, described direct-flow impulse circuit unit comprises the direct current electric power storage pulse power 10, power line 11(positive power line and negative power line), power-line terminal (positive supply binding post 12 and negative supply binding post 13) and be connected with power-line terminal connect electric nut 14, by the direct current electric power storage pulse power, positive-negative power line, connect electric nut, positive-negative power binding post connects, and (having electrion gap between positive-negative power binding post) forms firing circuit, described power-line terminal has been outside equipped with the multistage insulating ceramics pipe of fixed insulation effect, first order insulating ceramics pipe 15 is followed successively by the other end from power-line terminal one end of striking sparks, second level insulating ceramics pipe ... afterbody insulating ceramics pipe 16, afterbody insulating ceramics pipe, the insulating ceramics pipe be connected with afterbody insulating ceramics pipe is tightening insulating ceramics pipe, all the other insulating ceramics pipes are for connecting insulating ceramics pipe, insulating ceramics pipe comprises large aperture end and small-bore end connection insulating ceramics pipe makes a call to a shoulder hole at the center of ceramic multidiameter, shoulder hole macropore one end can connect insulating ceramics pipe multidiameter small end with another and coordinate, coupling reliability can be strengthened after cooperation, play reliable insulation, tightening insulating ceramics pipe, connected firmly by screw 7 and rear fixing termination, center is equipped with isometrical via hole can pass power-line terminal, outer surface is also in ladder shaft-like, when multidiameter small end is through screw centre bore, large end is blocked by screw end face hole wall, after screw and rear fixing termination screw tight, tightening insulating ceramics pipe is just fastened, and plays insulation and fixation, described Gas Pipe and front fixing termination, the equal thread connection in rear fixing termination, before described, fixing termination offers the hole be slidably matched with first order insulating ceramics pipe large aperture end, before described, fixing termination and first order insulating ceramics pipe, hand are held pillar and are all slidably connected, and can fix the actual syndeton length in termination adjust coupled position according to Gas Pipe and front and back, described rear fixing termination and afterbody insulating ceramics pipe are spirally connected by screw, and the small-bore end of tightening insulating ceramics pipe is through screw centre bore, and screw end-face hole wall pressure tight large aperture end end face, realizes reliable insulation and fix, described hand holds pillar and rear fixing termination is spirally connected.
Sparking one end tip diameter of described power-line terminal is by carefully thicker, and the small-bore stomidium wall clamping power-line terminal of first order insulating ceramics pipe, the other end of power-line terminal is provided with screw thread, connects electric nut and fixedly screws the power-line terminal other end.
The connection fixation of termination is fixed from the above by front and back, fuel gas transmission unit and front and back can be fixed that termination coupling part is fixed in termination coupling part, direct-flow impulse circuit unit and front and back, front and back are fixed termination, screw etc. and are fixedly connected, most defensive position is held pillar and the rear fixing termination whole system that has been spirally connected and is assembled.Hand holds pillar by portable operation manually, realizes long distance ignition.
Described hand is held on pillar and is offered thread inleting hole, before described, fixing termination offers passage, freely enters at ordinary times for nature gas, when needed can external air delivering pipeline, blasts the natural gas of supercharging by external air blast; Combustion-supporting gas can be nature gas or the natural gas by external air blast air blast supercharging, and combustion-supporting gas holds pillar air admission hole by hand, enters combustion zone combustion-supporting by front fixing termination passage.
First opening direct current electric power storage pulse power switch during the work of gas burning system igniter makes firing circuit power sparking, opening natural gas cylinder valve, air throttle connection gas circuit air feed, natural gas just at the first end of front stiff end by high-pressure electrostatic spark ignition, system completes igniting, close direct current electric power storage pulse power switch subsequently and cut off circuit, natural gas just can provide thermal source by self sustaining burning, and normally work distance of effectively igniting of gas burning system igniter is 2 meters.
Claims (2)
1. a coal-powder boiler natural gas igniter, it is characterized in that: comprise hand and hold pillar, front fixing termination, fuel gas transmission unit, direct-flow impulse circuit unit and rear fixing termination, described hand is held on pillar and is offered thread inleting hole, before described, fixing termination offers passage, described fuel gas transmission unit comprises Gas Pipe, pressure-reducing valve, valve, air hose, air throttle and combustion gas trachea, and described combustion gas trachea is connected with natural gas cylinder by air hose, pressure-reducing valve and valve, described direct-flow impulse circuit unit comprise the direct current electric power storage pulse power, power line, power-line terminal and be connected with power-line terminal connect electric nut, described Gas Pipe and front fixing termination and rear fixing termination are all spirally connected, be provided with outside described power-line terminal fixed insulation effect from sparking one end to the multistage ceramic insulating tube connecing electric nut and connect one end, described ceramic insulating tube comprises large aperture end and small-bore end, stomidium footpath, described large aperture coordinates with described small-bore end, before described, fixing termination offers the hole be slidably matched with first order ceramic insulating tube large aperture end, fixing termination and first order ceramic insulating tube before described, hand is held pillar and is all slidably connected, described rear fixing termination and afterbody ceramic insulating tube are spirally connected by screw, described hand holds pillar and rear fixing termination is spirally connected, described afterbody ceramic insulating tube is tightening ceramic insulating tube, and the small-bore end of tightening ceramic insulating tube passes screw centre bore, screw end-face hole wall pressure tight large aperture end end face, described thread inleting hole is circumscribed with air delivering pipeline, sparking one end tip diameter of described power-line terminal is by carefully thicker, and the small-bore stomidium wall clamping power-line terminal of first order ceramic insulating tube, the other end of power-line terminal is provided with screw thread, connects electric nut and fixedly screws the power-line terminal other end.
2. a kind of coal-powder boiler natural gas igniter as claimed in claim 1, is characterized in that: described Gas Pipe, front fixing termination and rear fixing termination are rigid body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310281257.4A CN103322590B (en) | 2013-07-05 | 2013-07-05 | Pulverized coal furnace natural gas igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310281257.4A CN103322590B (en) | 2013-07-05 | 2013-07-05 | Pulverized coal furnace natural gas igniter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103322590A CN103322590A (en) | 2013-09-25 |
| CN103322590B true CN103322590B (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310281257.4A Expired - Fee Related CN103322590B (en) | 2013-07-05 | 2013-07-05 | Pulverized coal furnace natural gas igniter |
Country Status (1)
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| CN (1) | CN103322590B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553008B (en) * | 2013-10-30 | 2016-01-20 | 欧萨斯能源环境设备(南京)有限公司 | A kind of Ignition device for ammoxidation furnace |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6743010B2 (en) * | 2002-02-19 | 2004-06-01 | Gas Electronics, Inc. | Relighter control system |
| CN202221104U (en) * | 2011-08-18 | 2012-05-16 | 深圳市佳运通电子有限公司 | Ignition gun |
| CN102606572A (en) * | 2012-03-12 | 2012-07-25 | 常州灵特尔广告器材有限公司 | Novel simple pipe group |
| CN203442882U (en) * | 2013-07-05 | 2014-02-19 | 郑州市鼎力干燥设备有限公司 | Pulverized coal furnace natural gas igniter |
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- 2013-07-05 CN CN201310281257.4A patent/CN103322590B/en not_active Expired - Fee Related
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| CN103322590A (en) | 2013-09-25 |
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Granted publication date: 20150527 Termination date: 20160705 |