CN104990424A - Alarm device for monitoring partial overtemperature of kiln nozzle - Google Patents
Alarm device for monitoring partial overtemperature of kiln nozzle Download PDFInfo
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- CN104990424A CN104990424A CN201510431890.6A CN201510431890A CN104990424A CN 104990424 A CN104990424 A CN 104990424A CN 201510431890 A CN201510431890 A CN 201510431890A CN 104990424 A CN104990424 A CN 104990424A
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Abstract
The invention relates to a kiln auxiliary alarm device, in particular to an alarm device for monitoring partial overtemperature of a kiln nozzle. The alarm device comprises a nozzle, a nozzle flange, a nozzle controller and a temperature sensing element. The nozzle is provided with an ignition electrode and a monitoring electrode. The nozzle flange is arranged on a kiln and attached to the outer wall of a combustion chamber. A nozzle combustion chamber is arranged around the nozzle and composed of a pipe sleeve made of a silicon carbide material. A high-aluminum protection cover is further arranged outside the pipe sleeve which is made of the silicon carbide material and is located in an insulated layer of the kiln. The temperature sensing element is a touch type temperature sensing element located on the nozzle flange and transmits temperature signals to the nozzle controller. The temperature of the area around the nozzle is detected through the temperature sensing element, when the temperature exceeds a normal range, the nozzle controller sends out an alarm signal to remind an operator to check the nozzle in time, the condition that the kiln and equipment are damaged when the temperature is ultrahigh is prevented, and therefore maintenance difficulty and cost are effectively reduced.
Description
Technical field
The present invention relates to a kind of kiln additional alarm device, especially a kind of monitoring kiln burner local overheating warning device.
Background technology
In the course of work of kiln, the burner combustion chamber hot soak condition of continuous heat supply, and product volume is difficult to stablize always, such as, when being under the different state such as useful load different size, empty kiln, kiln fillings, burner combustion room temperature must be caused constantly to change.Due to lifting or repeatedly igniting, extinguishing repeatedly, make combustion chamber meet fire and be in expansion, contraction state always, when local contraction is inconsistent or exceed its material life-span, burner combustion chamber can ftracture and even rupture.Because burner combustion chamber to be built by laying bricks or stones in body of wall heat insulation layer and temperature is higher, be difficult to automatic monitoring, not easily discover when going wrong, most of the time is that burner region kiln body burns out, until panel is by sooting, rubescent or could find when altering fire outward, now cause massive losses, must as stopped kiln maintenance.
Direct monitoring combustion chamber, because of the impact of the factors such as sealing structure, temperature are high, is difficult to design supporting supervising device, mainly at present constantly makes an inspection tour by operative employee, and labour intensity is large and could find after needing to wait the kiln wall apparent damage in burner region.Kiln wall is from meeting fire to wall, and generally can adopt the refractory material of different temperatures grade, more outer wall thermal conductivity factor is less but heatproof is lower, therefore, when combustion chamber there is crack, the situation such as to break time, flame can burn out the low insulation material of heatproof, causes altering fire.Our company finds by detecting, studying, and when kiln wall damages, outside wall temperature can progressively raise, and after occurring altering fire, temperature is the highest; But combustion chamber just goes wrong, as fracture, burner flange temperature can rise at short notice, and far above normal temperature, so, work out one monitoring kiln burner local overheating warning device of the present invention, by round-about way monitoring combustion chamber regions wall temperature, can effectively prevent trouble before it happens.When occurring reporting to the police immediately when temperature anomaly is increased to design temperature, impelling operating personnel to check respective regions rapidly, advanced processing, avoiding the state of affairs to expand, reduce loss.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, a kind of monitoring kiln burner local overheating warning device that can detect burner broken situation in time, reduce maintenance difficulties and cost is provided.
To achieve these goals, a kind of multi-functional combustion trial furnace of the present invention adopts following technical scheme:
This device comprises a burner, burner flange, burner controller, temperature-sensing element; Wherein, burner has ignitor and monitoring electrode, burner flange to be installed on kiln and to be close to outer wall of combustion chamber, burner combustion chamber is provided with around burner, burner combustion chamber is made up of the pipe box of silicon carbide material, is also provided with at the pipe box of silicon carbide material the High-Alumina protective sleeve be installed in the heat insulation layer of kiln outward; Temperature signal for being installed on the contact temperature-sensing element on burner flange 2, and is passed to burner controller 3 by temperature-sensing element 4.
Preferably, separated by high temperature cotton blanket between the pipe box of silicon carbide material and High-Alumina protective sleeve, for sealing and being convenient to dismounting and changing.
Preferably, described burner flange is close to burner combustion chamber outer wall, and described temperature-sensing element is cylindrical, and columniform temperature-sensing element to be embedded in flange and temperature directly near induction burner combustion chamber.
Preferably, temperature-sensing element can be overtemperature alarm type, also can be measuring tempeature type, goes back numerical value display alarm type.
Owing to have employed said structure, of the present inventionly a kind ofly monitor the temperature of kiln burner local overheating warning device by contact chip conduction burner flange, and the temperature of contact chip is responded in real time by temperature-sensing element, when the temperature of contact chip exceeds normal range (NR), then represent that the temperature at burner place occurs abnormal, burner control cabinet is judged as burner broken, now can change burner timely, prevent further device damage situation from occurring, thus effectively reduce maintenance difficulties and cost.
Accompanying drawing explanation
Fig. 1 is the assembly structure figure of embodiment of the present invention burner part;
Fig. 2 is the mounting structure figure of embodiment of the present invention burner part;
Fig. 3 is the burner wire connection structure figure of the embodiment of the present invention;
Fig. 4 is the integral installation structural representation of the embodiment of the present invention.
Detailed description of the invention
As Figure 1-Figure 4, the one monitoring kiln burner local overheating warning device of the embodiment of the present invention
Comprise a burner 1, burner flange 2, burner controller 3, temperature-sensing element 4; Wherein, burner 1 has ignitor and monitoring electrode, burner flange 2 to be installed on kiln 5 and to be close to outer wall of combustion chamber, burner combustion chamber 6 is provided with around burner 1, burner combustion chamber 6 is made up of the pipe box 61 of silicon carbide material, outside the pipe box 61 of silicon carbide material, be also provided with the High-Alumina protective sleeve 8 be installed in the heat insulation layer 7 of kiln 5; Temperature signal for being installed on the contact temperature-sensing element on burner flange 2, and is passed to burner controller 3 by temperature-sensing element 4.Wherein burner controller 3 is for controlling igniting, monitoring flame and overtemperature alarm.In the device structure of reality, pipe box 61 can also be replaced with burner block.
In the present embodiment, separated by high temperature cotton blanket between the pipe box 61 of silicon carbide material and High-Alumina protective sleeve 8, for sealing and being convenient to dismounting and changing.
In the present embodiment, described burner flange 2 is close to outer wall of combustion chamber, and described temperature-sensing element 4 is cylindrical, and columniform temperature-sensing element 4 to be embedded in burner flange and temperature directly near induction burner combustion chamber 6.
In the present embodiment, temperature-sensing element 4 can be that displaying contents, only in the overtemperature alarm type of temperature exceeding standard alarm, can not be the measuring tempeature type of displays temperature numerical value yet, has also not only shown numerical value but also the numerical value display alarm type of overtemperature alarm.
During work, burner normally works, under heat insulation layer on kiln is in normal temperature environment, when burner is damaged, flame interaction is on heat insulation layer 7, the temperature of heat insulation layer 7 raises, now, the temperature being installed on the burner flange 2 on kiln 5 also increases, and temperature-sensing element 4 contacts with burner flange 2, and the temperature of burner flange 2 is transmitted on temperature-sensing element 4 rapidly, the temperature of temperature-sensing element 4 raises rapidly thereupon, and send signal to burner control cabinet 3, when temperature exceedes preset value, burner control cabinet 3 sends alarm signal.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. monitor a kiln burner local overheating warning device, it is characterized in that: comprise a burner, burner flange, burner controller, temperature-sensing element; Wherein, burner has ignitor and monitoring electrode, burner flange to be installed on kiln and to be close to outer wall of combustion chamber, burner combustion chamber is provided with around burner, burner combustion chamber is made up of the pipe box of silicon carbide material, is also provided with at the pipe box of silicon carbide material the High-Alumina protective sleeve be installed in the heat insulation layer of kiln outward; Temperature-sensing element is the contact temperature-sensing element be installed on burner flange, and temperature signal is passed to burner controller.
2. a kind of monitoring kiln burner local overheating warning device as claimed in claim 1, is characterized in that: separated by high temperature cotton blanket between the pipe box of silicon carbide material and High-Alumina protective sleeve, for sealing and being convenient to dismounting and changing.
3. a kind of monitoring kiln burner local overheating warning device as claimed in claim 2, it is characterized in that: described burner flange is close to outer wall of combustion chamber, described temperature-sensing element is cylindrical, and columniform temperature-sensing element to be embedded in burner flange and temperature directly near induction burner combustion chamber.
4. a kind of monitoring kiln burner local overheating warning device as claimed in claim 3, it is characterized in that: temperature-sensing element can be overtemperature alarm type, also can be measuring tempeature type, goes back numerical value display alarm type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431890.6A CN104990424B (en) | 2015-07-21 | 2015-07-21 | One kind monitoring kiln burner local overheating warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431890.6A CN104990424B (en) | 2015-07-21 | 2015-07-21 | One kind monitoring kiln burner local overheating warning device |
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| Publication Number | Publication Date |
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| CN104990424A true CN104990424A (en) | 2015-10-21 |
| CN104990424B CN104990424B (en) | 2017-07-28 |
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| CN201510431890.6A Active CN104990424B (en) | 2015-07-21 | 2015-07-21 | One kind monitoring kiln burner local overheating warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141052A (en) * | 2018-08-18 | 2019-01-04 | 广东中鹏热能科技有限公司 | A kind of furnace body temperature monitoring safety early warning device |
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| US20040081220A1 (en) * | 2002-10-25 | 2004-04-29 | Takanori Takeda | Controlled atmosphere furnace and heating method thereof |
| CN201166518Y (en) * | 2008-01-11 | 2008-12-17 | 广东科达机电股份有限公司 | Combustion nozzle ignition and combustion nozzle flame monitoring apparatus |
| CN103088191A (en) * | 2011-10-27 | 2013-05-08 | 宝钢工业炉工程技术有限公司 | Warning method for vertical type continuous annealing furnace radiant tube burner and heat exchanger thereof |
| CN203037092U (en) * | 2012-11-30 | 2013-07-03 | 黄冈市中洲安达热工设备有限公司 | Radiant tube damage automatic detecting and alarming device of air protection metallurgical industrial furnace |
| CN103574607A (en) * | 2012-08-02 | 2014-02-12 | 冯友新 | Welding gun |
| CN104534872A (en) * | 2014-12-30 | 2015-04-22 | 广东摩德娜科技股份有限公司 | Novel temperature difference control structure for firing equipment |
| CN204757722U (en) * | 2015-07-21 | 2015-11-11 | 广东摩德娜科技股份有限公司 | Local over -temperature alarm device of monitoring kiln nozzle |
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2015
- 2015-07-21 CN CN201510431890.6A patent/CN104990424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040081220A1 (en) * | 2002-10-25 | 2004-04-29 | Takanori Takeda | Controlled atmosphere furnace and heating method thereof |
| CN201166518Y (en) * | 2008-01-11 | 2008-12-17 | 广东科达机电股份有限公司 | Combustion nozzle ignition and combustion nozzle flame monitoring apparatus |
| CN103088191A (en) * | 2011-10-27 | 2013-05-08 | 宝钢工业炉工程技术有限公司 | Warning method for vertical type continuous annealing furnace radiant tube burner and heat exchanger thereof |
| CN103574607A (en) * | 2012-08-02 | 2014-02-12 | 冯友新 | Welding gun |
| CN203037092U (en) * | 2012-11-30 | 2013-07-03 | 黄冈市中洲安达热工设备有限公司 | Radiant tube damage automatic detecting and alarming device of air protection metallurgical industrial furnace |
| CN104534872A (en) * | 2014-12-30 | 2015-04-22 | 广东摩德娜科技股份有限公司 | Novel temperature difference control structure for firing equipment |
| CN204757722U (en) * | 2015-07-21 | 2015-11-11 | 广东摩德娜科技股份有限公司 | Local over -temperature alarm device of monitoring kiln nozzle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141052A (en) * | 2018-08-18 | 2019-01-04 | 广东中鹏热能科技有限公司 | A kind of furnace body temperature monitoring safety early warning device |
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| CN104990424B (en) | 2017-07-28 |
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