CN205878223U - Boiler flame detection device - Google Patents
Boiler flame detection device Download PDFInfo
- Publication number
- CN205878223U CN205878223U CN201620704186.3U CN201620704186U CN205878223U CN 205878223 U CN205878223 U CN 205878223U CN 201620704186 U CN201620704186 U CN 201620704186U CN 205878223 U CN205878223 U CN 205878223U
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- flame
- outer catheter
- optical fiber
- detector
- catheter
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Abstract
The utility model relates to a boiler flame detection device, set up inner conduit, flame detection probe in outer catheter including outer catheter, be connected with the installation pipe on outer catheter, wherein on furnace's outer wall fixed be equipped with one with inseparable laminating and fixed connection's the stainless steel of furnace outer wall, stainless steel has seted up on the surface opening, fixed connection no. 1 was made by outer catheter 2 on stainless steel outer catheter 3, outer catheter 3 both ends opening, it passes the opening extends to in the furnace, flame detection probe wears to establish in protective sleeve, and it stretches into inside one end in the furnace is located protective sleeve, last signal transmitter and the signal receiver of being equipped with of flame detection probe, and signal transmitter launches signal receiver with the flame temperature that detects, the equal protective sleeve 1 of signal transmitter and signal receiver, the device still includes the cooling air hose who ventilates to flame detection probe.
Description
Technical field
The present invention relates to a kind of detector for boiler flame.
Background technology
Fire inspection outer catheter in the market and the unrealized cooling to flame detecting probe of corollary equipment, fire inspection ferrule pair
The cooling of fire inspection optical fiber is poor, and flame detecting probe distance burner hearth is closer, more serious by burner hearth heat radiation, causes annual summer
High temperature period, under ambient temperature with radiation of burner hearth dual function, flame detecting probe surface temperature is up to 60 DEG C.Above many reasons
Causing flame detecting probe, the service life of fire inspection optical fiber to be far below its projected life, high temperature burns out the situation of flame detecting probe and often sends out
Raw, and fire monitor equipment is except monitoring hearth combustion situation, or the important protection device of safe operation of the boiler, owing to furnace wall is high
Temperature causes flame detecting probe to burn out, and has had a strong impact on the safe operation of unit, and meanwhile, fire monitor equipment spare parts consumption amount is excessive,
Consume a large amount of maintenance cost, cause maintenance cost to remain high, also increase the workload of field maintenance person.
Because above-mentioned defect, the design people's the most in addition research and innovation, to founding a kind of boiler flame detection dress
Put so that it is have more the value in industry.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of amount of radiation reducing flame detecting probe, reduce because of
Flame detecting probe, fire inspection optical fiber are overheated and cause the situation of equipment burnout and service life reduction, reduce fire monitor equipment spare parts consumption amount and
Maintenance cost, improves the detector for boiler flame of the reliability of flame detection system.
Detector for boiler flame of the present invention, the inner catheter being arranged in outer catheter including outer catheter, flame detecting probe, outside
Connect on conduit and have installation pipe, on the outer wall of burner hearth, be wherein fixed with one fit tightly with hearth outer wall and fix and be connected
Stainless-steel sheet, stainless-steel sheet surface offers port, and on stainless-steel sheet, fixing connection one is made up of refractory material
Protection sleeve, protects sleeve both ends open, and it extends in burner hearth through described port；Flame detecting probe is located in protection sleeve
In, its one end stretched in burner hearth is positioned at protection sleeve inner, and flame detecting probe is provided with signal projector and signal receiver, letter
The flame temperature detected is transmitted into signal receiver, signal projector and signal receiver and is all connected with controlling by number emitter
Device, described device also includes the cooling duct ventilated to flame detecting probe.
Further, catheter interior is provided with ferrule outside, the front end of ferrule and outer catheter interior forward end
Circular groove is corresponding, and rear end external screw thread is fixed at the upper rear end female thread of novel heat-insulation device.
Further, outer catheter installs length additional at the cooling wind inlet pipe of the identical boiler flame device of existing specification
840mm, 40mm are for being threaded into length, and front end has female thread, rear end to have externally threaded extension pipe.
Further, described ferrule is pressed raw footage and is lengthened 800mm, and optical fiber lengthens 800mm accordingly, obtains 4000mm
Inner catheter, 4000mm optical fiber, optical fiber uses end face effective diameter to be Φ 3mm optical fiber.
Further, described protection sleeve pipe arranges smooth to prevent in fire defector mistake with the junction of stainless-steel sheet
In journey, junction produces coking.
Further, Thermal packer one end internal whorl is threaded connection with flame detecting probe external screw thread, other end Thermal packer
Female thread is connected with fire inspection outer catheter extension pipe external screw thread.
By such scheme, the present invention at least has the advantage that
Fire inspection outer catheter lengthens 800mm by extension pipe, and the former caliber of inner catheter is constant, and forward metal software length is constant,
Body portion is pressed raw footage and is lengthened 800mm, and optical fiber lengthens 800mm accordingly, it is achieved move 800mm after flame detecting probe, reaches to reduce stove
The effect of thorax radiation, reduces the surface temperature of flame detecting probe, improves its service life.
Thermal packer can make cooling wind first cool down flame detecting probe, makes ambient temperature decline.And it is special heat insulation by using
Device, can reduce flame detecting probe and use ambient temperature, extend the service life of flame detecting probe.
Ferrule can be not enough for optical fiber cooling air quantity, carries out making up in terms of following two, i.e. opens on sleeve pipe
Ventilation slot, installs special fiery microscopy head additional at fire inspection cannula exit, can both cool optical fiber also by cooling wind around camera lens
Increasing cooling air quantity, main is many one layer of air curtains in optical fiber front end, is effectively prevented optical fiber coking and scaling loss.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand the technology hands of the present invention
Section, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing to describe in detail such as
After.
Accompanying drawing explanation
Fig. 1 is the structural representation of detector for boiler flame of the present invention；
Fig. 2 is outer catheter of the present invention, the structural representation of fire inspection ferrule；
Fig. 3 is the structural representation of the assembling of the Thermal packer of flame detecting probe of the present invention, flame detecting probe.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
See Fig. 1 and Fig. 3, the present embodiment detector for boiler flame, lead in being arranged in outer catheter including outer catheter 1
Pipe 2, flame detecting probe 5, on outer catheter connect have installation pipe 4, be wherein fixed with on the outer wall of burner hearth one with hearth outer wall 3
Fitting tightly and fix the stainless-steel sheet connected, stainless-steel sheet surface offers port, the company of fixing on stainless-steel sheet
Connecing a protection sleeve being made up of refractory material, protect sleeve both ends open, it extends in burner hearth through described port；Fire inspection
Probe is located in protection sleeve, and its one end stretched in burner hearth is positioned at protection sleeve inner, and flame detecting probe is provided with signal and sends out
Emitter and signal receiver, the flame temperature detected is transmitted into signal receiver, signal projector and letter by signal projector
Number receptor is all connected with controller, and described device also includes cooling duct 6 and the cable group of power supply ventilated to flame detecting probe
Part 7.
Outer catheter is transformed, and is designed by original outer catheter pattern, and former caliber is constant, and forward metal software length is constant,
Installing long 840mm (40mm is for being threaded into length) at former cooling wind inlet pipe additional, front end has female thread, rear end to have externally threaded
Extension pipe.Owing to the cooling wind inlet pipeline section at former conduit rear portion can be dismantled by screw thread, the extension pipe processed is led outside former
Pipe rear portion, with threaded good, is loaded on cooling wind inlet pipeline section, can realize moving 800mm after flame detecting probe.
Fire inspection ferrule (inner catheter) and fiber reforming, former caliber is constant, and forward metal software length is constant, tube body
Divide and press raw footage lengthening 800mm.Optical fiber lengthens 800mm accordingly.Obtaining 4000mm inner catheter, 4000mm optical fiber, optical fiber uses end
Face effective diameter is Φ 3mm (soft) optical fiber, it is ensured that observation angle about 3 °, new design optical fiber heatproof can reach+400 DEG C；Front end
Lens assembly heatproof can reach+500 DEG C, is arranged on inside ferrule.
Novel heat-insulation device 51 internal whorl redesigned is threaded connection with flame detecting probe 5 (external screw thread), the other end
(Thermal packer 51 female thread) is connected with fire inspection outer catheter extension pipe (external screw thread), and Thermal packer fills as the protection of flame detecting probe
Putting, this Thermal packer can make cooling wind first cool down flame detecting probe, makes ambient temperature decline.And by using special Thermal packer,
Flame detecting probe can be reduced and use ambient temperature, extend the service life of flame detecting probe.Through measuring, the fire inspection installing Thermal packer additional is visited
Head surface temperature is all at about 30 DEG C, it is possible to be effectively protected probe.
The novel ferrule redesigned is arranged on the inside of fire inspection outer catheter, front end and outer catheter interior forward end
Circular groove is corresponding, and rear end (external screw thread) is fixed at upper rear end (female thread) screw thread of novel heat-insulation device, and this sleeve pipe can be for
Optical fiber cooling air quantity is not enough, makes up, has following two aspect, i.e. drive ventilation slot on sleeve pipe, at fire inspection cannula exit
Install special fiery microscopy head 4 additional, can both cool optical fiber also increase cooling air quantity by cooling wind around camera lens, main
It is many one layer of air curtains in optical fiber front end, is effectively prevented optical fiber coking and scaling loss.
This utility model, after the inspection outer catheter that overdoes lengthens transformation, the transformation of novel heat-insulation device, the transformation of novel optical fiber sleeve pipe,
It is in running status at burner corresponding to unit properly functioning period and flame detecting probe, now fire is examined scanning device surface temperature
Measure all at about 30 DEG C, decline 30 DEG C-40 DEG C before transformation on year-on-year basis.Through overdoing, inspection outer catheter lengthens transformation, novel heat-insulation device changes
Make, after the transformation of novel optical fiber sleeve pipe, probe and the defect level of optical fiber decline 77% before relatively transforming, and greatly reduce on-site maintenance
Amount, can save the fund about 200,000 yuan buying probe and optical fiber every year.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that for this skill
For the those of ordinary skill in art field, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and
Modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (6)
1. a detector for boiler flame, it is characterised in that: include that inner catheter that outer catheter is arranged in outer catheter, fire inspection are visited
Head, connects on outer catheter and has installation pipe, is wherein fixed with one on the outer wall of burner hearth and fits tightly with hearth outer wall and consolidate
The fixed stainless-steel sheet connected, stainless-steel sheet surface offers port, fixes and connect one by fire proofed wood on stainless-steel sheet
The protection sleeve that material is made, protects sleeve both ends open, and it extends in burner hearth through described port；Flame detecting probe is located in guarantor
In pretective sleeve pipe, its one end stretched in burner hearth is positioned at protection sleeve inner, and flame detecting probe is provided with signal projector and signal connects
Receiving device, the flame temperature detected is transmitted into signal receiver, signal projector and signal receiver and all connects by signal projector
Connecing controller, described device also includes the cooling duct ventilated to flame detecting probe.
Detector for boiler flame the most according to claim 1, it is characterised in that: catheter interior is provided with optical fiber set outside
Pipe, the front end of ferrule is corresponding with the circular groove of outer catheter interior forward end, and rear end external screw thread is fixed on the rear end of novel heat-insulation device
At upper internal threaded.
Detector for boiler flame the most according to claim 2, it is characterised in that: outer catheter is at the identical pot of existing specification
Installing long 840mm additional at the cooling wind inlet pipe of flame device, 40mm is for being threaded into length, and front end has female thread, rear end to have
Externally threaded extension pipe.
Detector for boiler flame the most according to claim 3, it is characterised in that: described ferrule is added by raw footage
Long 800mm, optical fiber lengthens 800mm accordingly, obtains 4000mm inner catheter, 4000mm optical fiber, and optical fiber employing end face effective diameter is
Φ 3mm optical fiber.
Detector for boiler flame the most according to claim 1, it is characterised in that: described protection sleeve pipe and rustless steel steel
The junction of plate arranges smooth to prevent junction during fire defector from producing coking.
Detector for boiler flame the most according to claim 1, it is characterised in that: Thermal packer one end internal whorl and fire inspection
Probe external screw thread is threaded connection, and other end Thermal packer female thread is connected with fire inspection outer catheter extension pipe external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620704186.3U CN205878223U (en) | 2016-06-30 | 2016-06-30 | Boiler flame detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620704186.3U CN205878223U (en) | 2016-06-30 | 2016-06-30 | Boiler flame detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205878223U true CN205878223U (en) | 2017-01-11 |
Family
ID=57695376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620704186.3U Expired - Fee Related CN205878223U (en) | 2016-06-30 | 2016-06-30 | Boiler flame detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205878223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838976A (en) * | 2017-03-29 | 2017-06-13 | 贵州电网有限责任公司电力科学研究院 | A kind of flame detector cooling device and method |
-
2016
- 2016-06-30 CN CN201620704186.3U patent/CN205878223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838976A (en) * | 2017-03-29 | 2017-06-13 | 贵州电网有限责任公司电力科学研究院 | A kind of flame detector cooling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |