CN103629694B - Ignition device of hydrogen chloride synthetic furnace and ignition method thereof - Google Patents
Ignition device of hydrogen chloride synthetic furnace and ignition method thereof Download PDFInfo
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- CN103629694B CN103629694B CN201310340822.XA CN201310340822A CN103629694B CN 103629694 B CN103629694 B CN 103629694B CN 201310340822 A CN201310340822 A CN 201310340822A CN 103629694 B CN103629694 B CN 103629694B
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Abstract
The invention relates to an ignition device of a hydrogen chloride synthetic furnace. The ignition device is characterized in that the ignition device comprises a tubular housing, the tubular housing is divided into an in-furnace segment and an out-furnace segment, the in-furnace segment and the out-furnace segment are connected through a flange, and an air connector is arranged on the out-furnace segment of the tubular housing; an electric arc ignitor, a gas pipe and a flame probe are arranged in parallel inside the tubular housing, the flame probe is longer than the gas pipe and the electric arc ignitor, and a thermocouple is installed on the head portion of the flame probe in a sheathed mode; the in-furnace segment of the tubular housing comprises a front sleeve and a rear sleeve, and the front sleeve and the rear sleeve are in threaded connection; a vortex board is arranged between the front sleeve and the rear sleeve in a pressed and fixed mode, the vortex board is of a circular shape, a hole is formed inside the vortex board, six to ten identical arc grooves are evenly distributed in the hole at the same angle, the cross section of each arc groove is formed by two arcs with different radii, the vortex board corresponds to a nozzle of the gas pipe in position, and a check ring is fixedly arranged on the inner wall, on the rear portion of the vortex board, of the front sleeve.
Description
Technical field
The present invention relates to a kind of igniter and ignition method thereof of hydrogen chloride synthetic furnace, belong to preparation of hydrogen chloride technical field.
Background technology
Hydrogen chloride synthesis operating mode is extremely complicated, has severe corrosive.Hydrogen chloride synthetic furnace adopts the mode of manual firing for a long time always.In the last few years, also have the automatic ignition device adopting a kind of drive-in, when synthetic furnace needs igniting, arc ignition rifle pushes in stove by cylinder, withdraws after having lighted a fire again, and this device has many defects:
First, owing to using cylinder, therefore need to provide cylinder stroke, therefore volume is larger, especially the exposed volume in the outer part of synthetic furnace is very large, as shown in Figure 1, its volume is huge especially, and movement travel is long, the inner side fire rod of pusher arc ignition rifle, air jet pipe, measuring tube are movable, put fire later under the control of cylinder, must retreat on the left of cut-off ball valve, whole stroke generally needs 650mm.The movement length of pusher arc ignition rifle determines the size of pusher arc ignition rifle exterior arrangement cylinder, the stroke of cylinder must be greater than 650mm, so the total length of pusher arc ignition rifle is generally at about 2000mm, be exposed to the part of device external close to 1200mm, so huge volume, the necessary installation bracket of outside cylinder, just can support the cylinder of pusher arc ignition rifle.
Second, the inner side fire rod of pusher arc ignition rifle, air jet pipe, measuring tube run when burning under corrosive conditions, when completing backed off after random of igniting, etchant gas has been adsorbed on fire rod, air jet pipe, measuring tube, and become diluted acid after adsorbed water under retreating to the environment of air, in fact easier hot spot lighted torch, air jet pipe, measuring tube; Must clean after exiting, corrosion could be reduced, but add labour intensity greatly.There is huge volume pusher arc ignition rifle outside, around synthetic furnace, there is corrosive gas, the corrosion very serious to the outside same generation of pusher arc ignition rifle.
3rd, existing hydrogen chloride synthetic furnace igniter, during igniting, air and hydrogen often mix abundant not, cause the success rate of igniting not high.
4th, existing hydrogen chloride synthetic furnace igniter, during igniting, the flame of arc ignition rifle head, often in divergent shape, is easily dispelled by air-flow, thus causes the success rate of igniting not high.
Summary of the invention
The technical issues that need to address of the present invention are: existing hydrogen chloride synthetic furnace igniter volume, adopt the structure of cylinder propelling type, bulky, and the necessary installation bracket of cylinder, complex structure; Easily be corroded; During igniting, air and hydrogen often mix abundant not, and the flame of arc ignition rifle head is easily dispelled by air-flow, thus cause the success rate of igniting not high.
The present invention takes following technical scheme:
An igniter for hydrogen chloride synthetic furnace, comprises tubular case, and described tubular case is divided into stove inner segment and the outer section of stove, and is connected by flange 6; The outer section of described tubular case stove is provided with Air connection ports 5; Being provided with in described tubular case walks abreast arranges arc ignition rifle 17, Gas Pipe 8, flame probe 12, and the length of described flame probe 12 is greater than described Gas Pipe 8, arc ignition rifle 17, described flame end of probe armoured thermocouple; The stove inner segment of described tubular case comprises front sleeve 13 and rear sleeve 7, described front sleeve 13 is threaded with rear sleeve 7, therebetween spiral board 11 is fixed, described spiral board 11 is rounded, internal openings, angularly uniformly in hole offer the identical arc groove of 6-10, the camber line that the cross section of described arc groove is not waited by two sections of radiuses is formed; The position of described spiral board 11 is corresponding with the position of Gas Pipe 8 nozzle 10; Front sleeve 13 inwall at the rear of described spiral board 11 is fixed with back-up ring 9.
The feature of the igniter of this hydrogen chloride synthetic furnace is, by arranging back-up ring 9, air is accelerated when back-up ring 9, accelerated air is more forward through spiral board 11, due to the effect of the arc groove on spiral board 11, whole air-flow rotates, the mode of inward turning during the rotation of air-flow, after hydrogen is lighted, the state of flame equally in inward turning, envelope is more clear, flame is strong, can not be dispelled, flame concentration degree is improved by gas stream in the stove, that sprays is longer, can cover whole hydrogen chloride synthetic furnace.
Further, the groove depth 3mm of described arc groove, groove width 3mm.
Further, the quantity of described arc groove is 8.
The igniter of hydrogen chloride synthetic furnace carries out a method of lighting a fire, and compressed air supply air line arranges electronic regulated valve; Hydrogen passes in described igniter with a small amount of compressed air, and the hydrogen of Gas Pipe head is lighted by arc ignition rifle 17; Flame probe 12 detecting temperature, if reach design temperature, flame probe feedback control system, electronic regulated valve strengthens aperture, and compressed air intensified pressure is blown into igniter, and flame sprays forward, completes hydrogen chloride synthesis furnace igniting; If do not reach design temperature, flame probe feedback control system, cuts off hydrogen and compressed-air actuated supply, passes into nitrogen from Air connection ports 5.
This ignition method is in conjunction with the structural feature of above-mentioned hydrogen chloride synthetic furnace, main feature is, first air is in a small amount passed into, the hydrogen of Gas Pipe 8 head nipple 10 is lighted by arc ignition rifle 17, due to the acting in conjunction of back-up ring 9 and spiral board 11, air draught is that the form of inward turning is advanced forward, the state of flame equally in inward turning, envelope is more clear, flame is strong, can not be dispelled by gas stream in the stove, after the temperature that flame probe 12 detects setting, feed back to control system, electronic regulated valve on air manifold road strengthens aperture, the air velocity of inward turning promotes greatly, flame is sprayed forward, because flame concentration degree is very high, jet length lengthens, whole synthetic furnace device can be covered, ignition success rate improves greatly.
Beneficial effect of the present invention is:
1) ignition success rate of hydrogen chloride synthetic furnace improves greatly.
2) decay resistance is good.
3) sparking mode and Iganition control system tool have clear improvement.
4) use of back-up ring and spiral board is skillfully constructed, with low cost, Be very effective.
5) whole ignition device structure is compact, movement-less part, and especially the outer segment body of stove amasss little, saves space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the igniter of the employing cylinder propelling type of prior art.
Fig. 2 is the structural representation of hydrogen chloride synthetic furnace igniter of the present invention.
Fig. 3 is in Fig. 2, the front sleeve of tubular case stove inner segment and the structural representation of rear sleeve.Wherein, Fig. 3-a is rear sleeve, and Fig. 3-b is front sleeve.
Fig. 4 is that front sleeve in Fig. 3 and rear sleeve carry out Screw assembly, the structural representation that spiral board is fixed by the groove of front sleeve and the boss of rear sleeve.
Fig. 5 is the front schematic view of spiral board.
Fig. 6 is the profile of the midship section of spiral board in Fig. 5.
Fig. 7 is the structural representation of flame probe, and its front end armoured thermocouple, for measuring flame temperature.
Fig. 8 is the structural representation of arc ignition rifle.
Fig. 9 is the profile of the nozzle of Gas Pipe head.
Figure 10 is the process flow diagram of hydrogen chloride synthetic furnace igniter of the present invention, and wherein, compressed air channel comprises an electronic regulated valve, this electronic regulated valve is subject to the signal of telecommunication of flame probe in detecting temperature, can regulate aperture, controls air mass flow, also can close completely, stop air supply.
Wherein, 1, terminal box, 2, lid, 3, fuel chamber, 4, air chamber flange, 5, Air connection ports, 6, flange, 7, rear sleeve, 8, Gas Pipe, 10, nozzle, 11, spiral board, 12, flame probe, 13, front sleeve, 17, arc ignition rifle.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described.
See Fig. 2, this igniter does not have moving component.Can see in figure that the igniter of this hydrogen chloride synthetic furnace comprises tubular case, described tubular case is divided into stove inner segment and the outer section of stove, and is connected by flange 6; The outer section of described tubular case stove is provided with Air connection ports 5; Being provided with in described tubular case walks abreast arranges arc ignition rifle 17, Gas Pipe 8, flame probe 12, and the length of described flame probe 12 is greater than described Gas Pipe 8, arc ignition rifle 17, described flame end of probe armoured thermocouple;
See Fig. 3,4, the stove inner segment of described tubular case comprises front sleeve 13 and rear sleeve 7, and described front sleeve 13 is threaded with rear sleeve 7, is fixed therebetween to spiral board 11.
See Fig. 5,6, described spiral board 11 is rounded, internal openings, angularly uniformly in hole offers the identical arc groove of 8 shapes, and the camber line that the cross section of described arc groove is not waited by two sections of radiuses is formed, and the radius of two ends camber line is respectively 3.48mm and 1.28mm.
See Fig. 2, the position of described spiral board 11 is corresponding with the position of Gas Pipe 8 nozzle 10; Front sleeve 13 inwall at the rear of described spiral board 11 is fixed with back-up ring 9.
Be the part putting in burner hearth on the right side of igniter, its length is equivalent to the right length of the pusher igniter of prior art, but right side tubular case internal diameter is only 40mm, and employs corrosion resistant alloy material; The avalanche characteristic that arc ignition rifle 17 utilizes semiconductor to have, moment produce power, it is the electric discharge device of energy type, and energy when this puts point apparatus electric discharge reaches 5J, has been enough to lighting of solid-state coal dust or atomized diesel fuel.
Spiral board 11 is playing inward turning and the effect accelerating air-flow, the back-up ring 9 that a slice is shunk is installed at the leading portion 100mm place of installing spiral board, air accelerates herein, accelerating the promotion downstream of air through spiral board, spiral board 360 ° has the above-mentioned arc groove of 8 same shapes, groove depth 3mm, groove width 3mm; Whole air-flow rotates, the rotation of air-flow is inward turning mode, after combustion gas is lighted, flame becomes inward turning state equally, and fiery envelope is more clear, flame is strong, can not be dispelled by gas stream in the stove, flame concentration degree is improved, injection longer, the coverage of this rifle flame is 800mm, can cover whole synthetic furnace inner.
See Fig. 7, flame probe is ion probe, utilizes the thermocouple of its front end armouring, and the electrical potential difference adopting materials detection not of the same race to produce judges the burning point of flame, and adopt resistant material, long-term long journey is not corroded.
See Fig. 8, adopt low-pressure high-energy semiconductor ignition technology, voltage is about 2500v, cure package, so-called cure package refers in two poles of fire rod except semi-conducting material, also has for the fixing material with sealing, guarantee that fire rod center pole firmly seals with two interpolars, this material must be resistant to elevated temperatures, and its thermal coefficient of expansion is fairly good, and its thermal coefficient of expansion equals the thermal coefficient of expansion of alloy material in other words; High temperature resistant 1000 degree, firing energy 5J is 50 times of general high voltage transformer firing energy; So the ignition success rate certainly designing Novel burning torch under this operating mode is 100%,
See Fig. 9, the head of the Gas Pipe shown in nozzle with Fig. 8 is connected.Hydrogen stream accelerates, and under the hydrogen flame lighted, and under rotary air mixing, it is farther that flame can spray.Same employing resistant material, longtime running does not corrode.
See Figure 10, Figure 10 illustrates the technological process that this igniter carries out lighting a fire, first air is in a small amount passed into, the hydrogen of Gas Pipe 8 head nipple 10 is lighted by arc ignition rifle 17, due to the acting in conjunction of back-up ring 9 and spiral board 11, air draught is that the form of inward turning is advanced forward, the state of flame equally in inward turning, envelope is more clear, flame is strong, can not be dispelled by gas stream in the stove, after the temperature that flame probe 12 detects setting, feed back to control system, electronic regulated valve on air manifold road strengthens aperture, the air velocity of inward turning promotes greatly, flame is sprayed forward, because flame concentration degree is very high, jet length lengthens, whole synthetic furnace device can be covered, ignition success rate improves greatly.
Claims (4)
1. an igniter for hydrogen chloride synthetic furnace, is characterized in that:
Comprise tubular case, described tubular case is divided into stove inner segment and the outer section of stove, and is connected by flange (6);
The outer section of described tubular case stove is provided with Air connection ports (5);
Being provided with in described tubular case walks abreast arranges arc ignition rifle (17), Gas Pipe (8), flame probe (12), the length of described flame probe (12) is greater than described Gas Pipe (8), arc ignition rifle (17), described flame end of probe armoured thermocouple;
The stove inner segment of described tubular case comprises front sleeve (13) and rear sleeve (7), described front sleeve (13) is threaded with rear sleeve (7), therebetween spiral board (11) is fixed, described spiral board (11) is rounded, internal openings, angularly uniformly in hole offer the identical arc groove of 6-10, the camber line that the cross section of described arc groove is not waited by two sections of radiuses is formed;
The position of described spiral board (11) is corresponding with the position of Gas Pipe (8) nozzle (10);
Front sleeve (13) inwall at the rear of described spiral board (11) is fixed with back-up ring (9).
2. the igniter of hydrogen chloride synthetic furnace as claimed in claim 1, is characterized in that: the groove depth 3mm of described arc groove, groove width 3mm.
3. the igniter of hydrogen chloride synthetic furnace as claimed in claim 2, is characterized in that: the quantity of described arc groove is 8.
4. the igniter of hydrogen chloride synthetic furnace as claimed in claim 1 carries out a method of lighting a fire, and it is characterized in that:
Compressed air supply air line arranges electronic regulated valve;
Hydrogen passes in described igniter with a small amount of compressed air, and the hydrogen of Gas Pipe (8) head is lighted by arc ignition rifle (17);
Flame probe (12) detecting temperature, if reach design temperature, flame probe feedback control system, electronic regulated valve strengthens aperture, and compressed air intensified pressure is blown into igniter, and flame sprays forward, completes hydrogen chloride synthesis furnace igniting; If do not reach design temperature, flame probe feedback control system, cuts off hydrogen and compressed-air actuated supply, passes into nitrogen from Air connection ports (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340822.XA CN103629694B (en) | 2013-08-06 | 2013-08-06 | Ignition device of hydrogen chloride synthetic furnace and ignition method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340822.XA CN103629694B (en) | 2013-08-06 | 2013-08-06 | Ignition device of hydrogen chloride synthetic furnace and ignition method thereof |
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| Publication Number | Publication Date |
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| CN103629694A CN103629694A (en) | 2014-03-12 |
| CN103629694B true CN103629694B (en) | 2015-06-17 |
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| CN201310340822.XA Active CN103629694B (en) | 2013-08-06 | 2013-08-06 | Ignition device of hydrogen chloride synthetic furnace and ignition method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180394B (en) * | 2014-07-31 | 2016-04-27 | 南通星球石墨设备有限公司 | A kind of composite graphite burning torch |
| CN104401943B (en) * | 2014-09-30 | 2016-06-08 | 南通星球石墨设备有限公司 | A kind of hydrogen chloride synthetic furnace controls system |
| CN104501206B (en) * | 2014-09-30 | 2016-06-08 | 南通星球石墨设备有限公司 | A kind of hydrogen chloride synthetic furnace automatic ignition system and control method thereof |
| CN105864823B (en) * | 2016-04-18 | 2018-08-21 | 中国石油化工股份有限公司 | A kind of open flow gas igniter |
| CN107917438A (en) * | 2017-12-19 | 2018-04-17 | 国丰新能源江苏有限公司 | Install the high-energy firing gun of compressed air additional |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2402763A (en) * | 1940-04-17 | 1946-06-25 | Wheelco Instr Company | Burner |
| US3070153A (en) * | 1960-03-24 | 1962-12-25 | John H Flynn | High-velocity flame pilot burner of the internal spark-ignition type |
| JP3858767B2 (en) * | 2002-06-17 | 2006-12-20 | Ｊｆｅエンジニアリング株式会社 | Gas burner |
| CN101044357A (en) * | 2004-10-22 | 2007-09-26 | 桑德维克知识产权股份公司 | Method and device for igniting and monitoring a burner |
| CN203642227U (en) * | 2013-08-06 | 2014-06-11 | 上海天三自控有限公司 | Ignition device of hydrogen chloride synthesis furnace |
-
2013
- 2013-08-06 CN CN201310340822.XA patent/CN103629694B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2402763A (en) * | 1940-04-17 | 1946-06-25 | Wheelco Instr Company | Burner |
| US3070153A (en) * | 1960-03-24 | 1962-12-25 | John H Flynn | High-velocity flame pilot burner of the internal spark-ignition type |
| JP3858767B2 (en) * | 2002-06-17 | 2006-12-20 | Ｊｆｅエンジニアリング株式会社 | Gas burner |
| CN101044357A (en) * | 2004-10-22 | 2007-09-26 | 桑德维克知识产权股份公司 | Method and device for igniting and monitoring a burner |
| CN203642227U (en) * | 2013-08-06 | 2014-06-11 | 上海天三自控有限公司 | Ignition device of hydrogen chloride synthesis furnace |
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| CN103629694A (en) | 2014-03-12 |
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