CN217235663U - Efficient ignition device for post-premixing boiler - Google Patents
Efficient ignition device for post-premixing boiler Download PDFInfo
- Publication number
- CN217235663U CN217235663U CN202220210782.1U CN202220210782U CN217235663U CN 217235663 U CN217235663 U CN 217235663U CN 202220210782 U CN202220210782 U CN 202220210782U CN 217235663 U CN217235663 U CN 217235663U
- Authority
- CN
- China
- Prior art keywords
- ignition
- fire
- assembly
- needle
- fire detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 230000008676 import Effects 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 47
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 238000007664 blowing Methods 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 3
- 229910000619 316 stainless steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Control Of Combustion (AREA)
Abstract
The utility model discloses a high-efficiency ignition device for a post-premixing boiler, which comprises an insulating seat, an ignition assembly, a fire outlet assembly and a fire detection assembly, wherein the ignition assembly, the fire outlet assembly and the fire detection assembly are arranged on the insulating seat side by side; the ignition assembly comprises an ignition needle with the tail end bent towards the fire outlet assembly, and a first tip end is arranged at the right end part of the ignition needle; go out the fire subassembly and include a hollow flame pipe, the flame pipe is kept away from the one end side at first most advanced and has been seted up the gas import, and the one end that is close to first most advanced is provided with the main export of gas, and its main exit of gas is provided with the second most advanced, it includes the terminal fire needle of examining to going out the fire subassembly and buckling to examine the fire subassembly. The ignition device of the utility model can ensure that the flame can be stably burnt in the continuous and stable wind-oxygen combustion supporting, the length of the flame is stable between 150mm and 200mm, and the coverage area of the ignition area is wide; and the ignition device can block the influence of weak airflow blowing out during ignition, improve the ignition success rate, and can continuously supply air after ignition to realize high-efficiency stable combustion.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a gas equipment technical field, concretely relates to back mixes high-efficient ignition in advance for boiler.
[ background of the invention ]
When the burner or the gas water heater is started to operate, the ignition device is needed to ignite and burn fuel, and a flame sensing device is needed to detect flame in the combustion process, so that whether ignition is successful or not is confirmed, and on the other hand, protective measures can be started when the flame is extinguished, so that gas leakage is prevented.
When the ignition needle in the existing ignition device discharges, ignition arc striking and gas combination are not uniform due to nonuniform gas flow distribution, and the conditions of deflagration and difficult ignition are directly caused.
[ Utility model ] content
To prior art's defect, the utility model provides a back that ignition success rate is high, can steady fire burning mixes boiler with high-efficient ignition in advance.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an efficient ignition device for a post-premixing boiler comprises an insulating base, an ignition assembly, an ignition detection assembly and a fire outlet assembly, wherein the ignition assembly and the ignition detection assembly are arranged on the insulating base side by side;
the ignition assembly comprises an ignition needle with the tail end bent towards the fire outlet assembly, and a first tip end is arranged at the right end of the ignition needle; go out the fire subassembly and include a hollow flame pipe, the flame pipe is kept away from the one end side at first most advanced and has been seted up the gas import, and the one end that is close to first most advanced is provided with the main export of gas, and its main exit of gas is provided with the second most advanced, it includes the terminal fire needle of examining to going out the fire subassembly and buckling to examine the fire subassembly.
Preferably, the ignition assembly further comprises an ignition magnetic rod fixedly connected with the ignition needle, and the ignition magnetic rod is wrapped on the periphery of one side far away from the first tip end of the ignition needle.
Preferably, the length of the ignition magnetic rod is 150-160 mm.
Preferably, the horizontal distance between the first tip and the second tip is 3-10 mm.
Preferably, the side face of one end of the flame tube, which is close to the flame outlet, is uniformly provided with a plurality of gas side outlets around the circumference of the flame tube, so that gas flow can be dispersed, and the coverage area of an ignition area is wider.
Preferably, one end of the flame tube, which is far away from the main gas outlet, is fixedly connected with a fan, and the fan is used for continuously and stably delivering the gas entering the flame tube to an ignition region for combustion-supporting ignition, so that weak gas flow is prevented from blowing out.
Preferably, the flame tube is made of 316 stainless steel, and the length of the flame tube is 200-250 mm.
Preferably, examine fire subassembly still include with examine fire needle fixed connection examine fire bar magnet, examine fire bar magnet cladding in examining the periphery of fire needle far away from bending part one side.
Preferably, the length of the fire detection magnetic rod is 140-150 mm.
Preferably, the effective fire detection length (the part of the fire detection needle exposed outside the fire detection magnetic rod) of the fire detection needle is 100-130 mm.
Preferably, the ignition needle and the fire detection needle are both made of Kangtaier APM materials and are resistant to high temperature of 1500 ℃.
Preferably, the insulating seat includes first flange and the second flange through bolted connection, the side of first flange is provided with three connecting hole side by side, be provided with the internal thread in the connecting hole, be used for connecting ignition subassembly, play fire subassembly and examining the fire subassembly respectively.
Preferably, a sealing gasket is arranged between the first flange and the second flange.
Preferably, the ignition magnetic rod, the flame tube and the periphery of the fire detection magnetic rod are all fixedly provided with a fastening nut, and the fastening nuts are respectively and fixedly connected with the connecting holes on the first flange.
Preferably, the ignition assembly, the subassembly of going out on fire that are located the second flange right side and the periphery of examining the subassembly of firing are provided with the structure of keeping out the wind, the structure of keeping out the wind is formed by four deep bead welds, utilizes the structure of keeping out the wind to block the weak air current when igniteing, prevents that weak air current from blowing out flame, improves the success rate of igniteing.
Preferably, one end of the wind shielding structure close to the second flange is fixedly connected with the second flange.
Preferably, the one end that the second flange is kept away from to the wind structure is longer than the first most advanced of ignition needle, and its and the interval between the first most advanced of ignition needle are 5 ~ 10mm, with the first most advanced cladding of ignition needle in the wind structure, prevent the air current influence.
Preferably, a ground wire connecting hole is formed in the joint of the fan and the flame tube, the ground wire connecting hole is connected with a PE port of the boiler controller, and the ignition needle and the ground wire can be discharged after being communicated.
Preferably, one end of each of the ignition magnetic rod and the fire detection magnetic rod, which is far away from the first tip end, is provided with an ignition needle wiring end and a fire detection needle wiring end respectively, the ignition needle wiring end is connected with a fire wire end of a boiler ignition transformer, and the fire detection needle wiring end is connected with a fire detection end of a boiler controller.
Compared with the prior art, the utility model discloses following beneficial effect has:
the ignition device of the utility model is provided with the wind shielding structure at the periphery of the ignition needle, thereby being capable of blocking the influence of blowing off of weak airflow during ignition and improving the ignition success rate;
the first point of the ignition needle and the second point of the flame tube in the ignition device can better realize point discharge, and avoid random discharge of electric sparks during discharge to cause unstable current to influence ignition;
the arrangement of the main gas outlet and the side gas outlet at the end part of the flame tube in the ignition device can form rectangular wind fire clusters at the main gas outlet and the side gas outlet, the combustion is stable in continuous and stable wind oxygen combustion supporting, and the flame length is stable between 150mm and 200 mm; the gas side outlet is arranged to disperse gas flow, so that the ignition area is wider in coverage;
setting of fan among the ignition for can utilize the fan to rotate the wind-force that produces, the combustion-supporting ignition of the ignition zone is sent to what the gas that enters into in the flame tube is continuous stable, prevents that faint air current from blowing out, and the point is caught fire the back and is continuously supplied air high-efficient steady fire burning.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the ignition device of the present invention;
fig. 2 is a front view of the ignition device of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the ignition module of the present invention;
FIG. 5 is a schematic structural view of the fire discharging assembly of the present invention;
FIG. 6 is a schematic structural view of the fire detection assembly of the present invention;
fig. 7 is a schematic structural view of the insulating base of the present invention;
wherein, 1-an insulating seat; 101-a first flange; 1011-connecting hole; 102-a second flange; 2-an ignition assembly; 201-an ignition needle; 202-a first tip; 203-ignition magnetic rod; 204-firing pin terminals; 3-a fire outlet assembly; 301-flame tube; 302-a second tip; 303-a gas inlet; 304-a main gas outlet; 305-gas side outlet; 306-a fan; 4-a fire detection component; 401-fire detection needle; 402-a fire detection magnetic rod; 403-a firing pin terminal; 5-a wind shielding structure; 501-wind shield; 6-ground wire connection hole; 7-fastening the nut.
[ detailed description ] A
To make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described below with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a high-efficiency ignition device for a post-premix boiler, which comprises an insulating base 1, an ignition component 2, a fire detection component 4 and a fire outlet component 3, wherein the ignition component 2, the fire detection component 4 and the fire outlet component 3 are arranged on the insulating base side by side;
as shown in fig. 2 and 4, the ignition assembly 2 includes an ignition needle 201 with a tip bent toward the fire outlet assembly 3, and a right end portion of the ignition needle 201 is provided with a first tip 202; the periphery of one side of the ignition needle 201 far away from the first tip 202 is coated with an ignition magnetic rod 203.
As shown in fig. 2, 3 and 5, the flame discharging assembly 3 includes a hollow flame tube 301, a gas inlet 303 is opened on a side surface of one end of the flame tube 301 far from the first tip 202, a main gas outlet 304 is arranged on one end close to the first tip 202, and a second tip 302 is arranged at the main gas outlet 304;
as shown in fig. 2 and 6, the fire detection assembly 4 includes a fire detection needle 401 having a distal end bent toward the fire outlet assembly 3, and a fire detection magnetic rod 402 fixedly connected to the fire detection needle 401, wherein the fire detection magnetic rod 402 is wrapped around a side of the fire detection needle 401 away from the bent portion; the first tip, the second tip and the end part of the fire detection needle are not on the same horizontal plane.
Preferably, the length of the ignition magnetic rod is 150-160 mm.
Preferably, the horizontal distance between the first tip 202 and the second tip 302 is 3-10 mm.
Preferably, a plurality of gas side outlets 305 are uniformly arranged around the circumference of the flame tube 301 on the side surface of the flame tube 301 close to one end of the gas main outlet 304, so that gas flow can be dispersed, and the ignition coverage area is wider.
Preferably, one end of the flame tube 301, which is far away from the main gas outlet 304, is fixedly connected with a fan 306, and the fan 306 is used to continuously and stably deliver the gas entering the flame tube 301 to an ignition region for combustion-supporting ignition, so as to prevent weak gas flow from blowing out.
Preferably, the flame tube is made of 316 stainless steel, and the length of the flame tube is 200-250 mm.
Preferably, the length of the fire detection magnetic rod 402 is 140-150 mm.
Preferably, the effective fire detection length (the length of the fire detection needle exposed outside the fire detection magnetic rod) of the fire detection needle 401 is 100-130 mm.
Preferably, the ignition needle 201 and the fire detection needle 401 are both made of Kangtaier APM materials and are resistant to high temperature of 1500 ℃.
As shown in fig. 7, the insulating base 1 includes a first flange 101 and a second flange 102 which are connected by bolts, three connecting holes 1011 are arranged side by side on the side surface of the first flange 101, and internal threads are arranged in the connecting holes 1011 and are respectively used for connecting the ignition assembly 2, the fire outlet assembly 3 and the fire detection assembly 4.
Preferably, a sealing gasket is arranged between the first flange 101 and the second flange 102 to realize sealing.
Preferably, the sealing gasket is made of aluminum silicate, and can resist high temperature and play a role in sealing and insulating.
Preferably, a fastening nut is fixedly arranged on the periphery of each of the ignition magnetic rod 203, the flame tube 301 and the ignition detecting magnetic rod 402, the fastening nuts 7 are fixedly connected with the connecting holes 1011 on the first flange respectively, and sealant is applied to the connecting positions to play a role in fastening the ignition assembly, the ignition discharging assembly and the ignition detecting assembly and prevent looseness.
Preferably, wind shielding structures 5 are arranged on the peripheries of the ignition assembly 2, the fire outlet assembly 3 and the fire detection assembly 4 which are positioned on the right side of the second flange 102, the wind shielding structures 5 are formed by welding four wind shielding plates 501, and one end, close to the second flange 102, of the wind shielding structure 5 is fixedly connected with the second flange 102 (so that the inside is completely sealed, and the pressure is 10 kpa); the wind shielding structure 5 is used for blocking weak airflow during ignition, so that flame is prevented from being blown out by the weak airflow, and the ignition success rate is improved.
Preferably, one end of the wind shielding structure 5, which is far away from the second flange 102, is longer than the first tip 202 of the ignition needle 201, and the distance between the wind shielding structure and the first tip of the ignition needle is 5-10 mm, so as to prevent the influence of the external air flow.
Preferably, a ground wire connecting hole 6 is formed at the joint of the fan and the flame tube, the ground wire connecting hole 6 is connected with a PE port of the boiler controller, and the ignition needle and the ground wire can be discharged after being conducted.
Preferably, one ends of the ignition magnetic rod 203 and the fire detection magnetic rod 402, which are far away from the first tip 202, are respectively provided with an ignition needle terminal 204 and a fire detection needle terminal 403, the ignition needle terminal is connected with a fire wire end of a boiler ignition transformer, and the fire detection needle terminal is connected with a fire detection end of a boiler controller.
Ignition device's theory of operation: when the ion probe is used, firstly, the power supply of the fan 306 is switched on, the gas at the gas inlet 303 is switched on, the gas pressure is controlled to be 1-3 kPa, and meanwhile, the wire harness of the ignition needle 201 and the wire harness of the ion probe 401 are switched on. After the fan 306 operates, the gas at the gas inlet 303 is blown to the gas main outlet 304, the ignition needle 201 discharges to ignite an electric arc with the second tip 302 after being electrified, the gas is ignited, the flame forms rectangular wind fire groups at the gas main outlet 304 and the gas side outlet 305, the flame stably burns in the continuous and stable wind oxygen combustion supporting, the length of the flame is stabilized between 150mm and 200mm, meanwhile, the flame intensity is detected by the flame detection needle 401 at the beginning of the flame formation, and the flame signal is transmitted to the boiler controller to realize continuous flame combustion, so that the ignition device is used for igniting the main gas of the premixed boiler, the main gas of the premixed boiler after ignition is characterized by small fire, the ignition success rate is improved, the safe and efficient ignition is realized, and the phenomenon of detonation caused by excessive gas accumulated due to ignition failure is avoided.
Claims (10)
1. The efficient ignition device for the post-premix boiler comprises an insulating seat, and an ignition assembly and a fire detection assembly which are arranged on the insulating seat side by side, and is characterized in that a fire outlet assembly is also arranged between the ignition assembly and the fire detection assembly;
the ignition component comprises an ignition needle with the tail end bent towards the fire outlet component, and the right end part of the ignition needle is provided with a first tip end; go out the fire subassembly and include a hollow flame pipe, the flame pipe is kept away from the one end side of first most advanced and has been seted up the gas import, and the one end that is close to first most advanced is provided with the main export of gas, and its main export of gas is provided with the second most advanced, it includes the terminal fire needle of examining to going out the fire subassembly and buckling to examine the fire subassembly.
2. The ignition device according to claim 1, wherein the side surface of one end of the flame tube close to the main gas outlet is uniformly provided with a plurality of gas side outlets around the circumference of the flame tube.
3. The ignition device of claim 2, wherein the end of the flame tube away from the main gas outlet is fixedly connected with a fan.
4. The ignition device of claim 3, wherein the ignition assembly further comprises an ignition magnetic bar coated on the periphery of one side of the ignition needle away from the first tip end; the fire detection assembly further comprises a fire detection magnetic bar which is wrapped on the periphery of one side of the fire detection needle, which is far away from the first tip end.
5. The ignition device according to claim 4, wherein the length of the ignition magnetic rod is 150-160 mm, and the length of the ignition magnetic rod is 140-150 mm; the length of the fire detection needle exposed outside the fire detection magnetic rod is 100-130 mm.
6. The ignition device of claim 1, wherein the horizontal distance between the first tip and the second tip is 3-10 mm.
7. The ignition device of claim 4, wherein the insulating base comprises a first flange and a second flange which are connected through bolts, three connecting holes are formed in the side face of the first flange side by side, and internal threads are formed in the connecting holes and are used for connecting the ignition assembly, the fire discharging assembly and the fire detecting assembly respectively.
8. The ignition device of claim 7, wherein a fastening nut is fixedly arranged on the periphery of each of the ignition magnetic rod, the flame tube and the fire detection magnetic rod, and the fastening nuts are fixedly connected with the connecting holes in the first flange respectively.
9. The ignition device of claim 8, wherein the ignition assembly, the fire outlet assembly and the fire detection assembly which are positioned on the right side of the second flange are peripherally provided with wind shielding structures, and one end of each wind shielding structure, which is close to the second flange, is fixedly connected with the second flange.
10. The ignition device according to claim 4, wherein a ground wire connecting hole is formed at the joint of the fan and the flame tube; and one ends of the ignition magnetic rod and the fire detection magnetic rod, which are far away from the first tip, are respectively provided with an ignition needle wiring terminal and a fire detection needle wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210782.1U CN217235663U (en) | 2022-01-25 | 2022-01-25 | Efficient ignition device for post-premixing boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210782.1U CN217235663U (en) | 2022-01-25 | 2022-01-25 | Efficient ignition device for post-premixing boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217235663U true CN217235663U (en) | 2022-08-19 |
Family
ID=82831528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220210782.1U Expired - Fee Related CN217235663U (en) | 2022-01-25 | 2022-01-25 | Efficient ignition device for post-premixing boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217235663U (en) |
-
2022
- 2022-01-25 CN CN202220210782.1U patent/CN217235663U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107893711B (en) | A kind of gas hydrogen-oxygen torch type electric ignition device | |
| GB660775A (en) | An improved combustion and ignition apparatus for a gas turbine engine | |
| CN104075342B (en) | The premixed anti-interference burning torch of a kind of industrial burner | |
| JPH01155105A (en) | Fine fuel burner | |
| CN217235663U (en) | Efficient ignition device for post-premixing boiler | |
| CN204285464U (en) | A kind of radiation pipe burner tip burning torch | |
| CN106838984A (en) | Ion ignition device and flame detector system | |
| CN101109518A (en) | Ignition gun for industrial combustor | |
| CN206522799U (en) | Ion ignition device and flame detector system | |
| CN212585000U (en) | Waterproof ignition device | |
| JPH1068510A (en) | Fuel injection gun | |
| CN109113873A (en) | A kind of igniter working method with double air inlet bias Double-positive-pole structures | |
| CN115875684A (en) | Device for treating tail gas of hydrogen fuel cell | |
| CN113503538B (en) | Carbon black tail gas low-nitrogen combustor and application method thereof | |
| CN212842219U (en) | Novel gas and liquid combined heating boiler | |
| CN111500816B (en) | Converter gas ignition and diffusion method and converter gas ignition and diffusion control system | |
| CN211853993U (en) | Flue gas backflow automatic ignition burner | |
| CN110657442A (en) | Torch pilot lamp ignition control system | |
| CN217004456U (en) | Igniter nozzle device | |
| CN206377658U (en) | A kind of dpf regeneration burner detected based on flame spectrum | |
| CN210861181U (en) | Ignition burner for full-premixing surface burner boiler | |
| CN201129748Y (en) | Industry combusting device igniting gun | |
| CN109083797A (en) | A kind of plasma igniter with outlet inclined hole and multianode structure | |
| CN109253019A (en) | A kind of plasma igniter application method with flaring grounding electrode export structure | |
| KR200170645Y1 (en) | Apparatus for pilot burner of radiation tube duct |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |