CN208043250U - A kind of burner hearth temperature detection device using laser detection - Google Patents
A kind of burner hearth temperature detection device using laser detection Download PDFInfo
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- CN208043250U CN208043250U CN201820552399.8U CN201820552399U CN208043250U CN 208043250 U CN208043250 U CN 208043250U CN 201820552399 U CN201820552399 U CN 201820552399U CN 208043250 U CN208043250 U CN 208043250U
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- steel pipe
- laser
- seamless steel
- soot blowing
- mounting plate
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Abstract
The utility model discloses a kind of burner hearth temperature detection devices using laser detection, including holder, coke removing appts, soot blowing cooling device and laser detector；Holder includes seamless steel pipe；Coke removing appts one end can be slidably set in seamless steel pipe in an axial direction；Coke removing appts head is forked, and when being devoked, which stretches out holder front end；Soot blowing cooling device and laser detector are sequentially fixed at back-end support；Soot blowing cooling device one end is connected with seamless steel pipe, and the other end is sealed by the filter that keeps out the wind；Soot blowing cooling device is equipped with air inlet；When carrying out laser detection, laser detector shoot laser sequentially passes through in the incident burner hearth to be detected of soot blowing cooling device, holder or laser passes sequentially through holder, soot blowing cooling device is received by laser detector.The utility model effectively solves the problems, such as the easy coking of high temperature, dusty and observation panel that TDLAS systems encounter by the setting of holder, coke removing appts and soot blowing cooling device.
Description
Technical field
The utility model is related to a kind of burner hearth temperature detection devices using laser detection, and in particular to one kind is by passing through electricity
The laser of factory's burner hearth is analyzed, and realizes the device of burner hearth temperature detection.
Background technology
Boiler CT system based on laser TDLAS technologies utilizes the red of gas molecule using advanced laser measuring technique
Outer absorption Spectrum characteristic, the infrared laser spectroscopy under acquisition and recording characteristic wavelength absorbs data, accurate to obtain in power plant's burner hearth
Combustion parameter monitors power plant's furnace exit temperature field distribution parameter in real time.
Power plant soot generating equipment generally reaches 10-20 meters of combustion chamber with diameter, and the coal that this kind of equipment burning crushes makes
Obtain observation panel dusty, high temperature, easy coking.In such environment, the equipment for directly using laser TDLAS technologies is observed, and can be given
TDLAS senses the problems of bringing with control system, such as：
1. since the coking of observation panel leads to not receive laser signal；
2. dust accumulation leads to not receive laser signal；
3. prolonged high temperature bad border work leads to electronics, optical or other sensitivity spectrum component damages；
4. itself thermally expanding for boiler leads to device location slight change, the laser signal of reception generates angular deviation.
Although extremely difficult implementation TDLAS systems under these conditions, TDLAS is particularly suitable for monitoring in the coal-fired mistake of control
Journey.Currently, suitable device can solve the above problems not yet, therefore, there is an urgent need to develop a kind of devices for we, on solving
It states and implements the difficulties and problems encountered when laser TDLAS technologies are detected in coal-fired boiler in power plant.
Invention content
Purpose of the utility model is to solve defects existing in the prior art, and providing one kind can effectively prevent tying
The burner hearth temperature detection device that burnt, dust influences laser measuring technology.
In order to achieve the above object, the utility model provides a kind of burner hearth temperature detection device using laser detection, including
Holder, coke removing appts, soot blowing cooling device and laser detector；The holder includes seamless steel pipe；The coke removing appts one
End can be slidably set in the seamless steel pipe in an axial direction；The coke removing appts head is forked, should when being devoked
Forked shaped head stretches out the holder front end；After the soot blowing cooling device and laser detector are sequentially fixed at the holder
End；Soot blowing cooling device one end is connected with the seamless steel pipe, and the other end is sealed by the filter that keeps out the wind；The soot blowing is cold
But device is equipped with air inlet；When carrying out laser detection, the laser detector shoot laser sequentially passes through the soot blowing
In the incident burner hearth to be detected of cooling device, holder or laser passes sequentially through holder, soot blowing cooling device is examined by the laser
Device is surveyed to receive.It is devoked by the prong like stretching on coke removing appts head, and is combined by soot blowing cooling device air inlet
The filter that keeps out the wind controls air-out direction and removes dust towards front end, improves the detection environment of laser detector.
Further, holder further includes fixed plate, support plate, cooling chamber, mounting plate one, mounting plate two and installation pedestal；
The fixed plate is fixed on the front end of the seamless steel pipe, and both sides are welded by the support plate and seamless steel pipe respectively；It is described
Cooling chamber is fixed at the seamless steel pipe rear end；The mounting plate one is fixed at the cooling cavity rear end；The installation base
Seat is fixedly linked by the mounting plate two and mounting plate one；The soot blowing cooling device is set in the cooling chamber, and described
Cooling cavity outer wall is correspondingly provided with air inlet；The laser detector is fixed in the installation pedestal；The coke removing appts
One end is set in the seamless steel pipe, and the other end, which stretches out outside seamless steel pipe, to be connected by brake component with the mounting plate one.
Further, fixed plate is equipped with rectangular through-hole；Seamless steel pipe front end is in for V-structure（Seamless steel pipe front end two
Side is symmetrically cut, and baffle is respectively welded in cut place, forms the gradually smaller V-structure of front end bore）, and pass through this
V-structure passes through the rectangular through-hole of fixed plate to be weldingly connected with fixed plate；The approximate rectangular opening of V-structure forms observation
Mouthful；The support plate of fixed plate both sides setting and the outer tube wall of seamless steel pipe weld；Mounting plate one is connected with mounting plate two by hinge
It connects, when mounting plate one is with two hinge of mounting plate, additional screw or bolt or buckle are fixed；Installation pedestal welding is set to installation
On plate two.
Further, the optical axis of laser detector and the cooling chamber, seamless steel pipe are coaxial.
Further, the brake component of coke removing appts uses cylinder；The coke removing appts further include sliding steel pipe, connection knot
Component, connecting pin；The sliding steel pipe is set in the seamless steel pipe, and front end is connected with the forked shaped head；The seamless steel
Pipe is equipped with mobile notch；The connection member is set in mobile notch, and one end is connected with sliding steel pipe, and the other end passes through institute
Connecting pin is stated with the cylinder-driven to be connected；The cylinder is fixed on the mounting plate one.It is forked under the driving of cylinder
Front-rear reciprocation movement is done on head inside and outside seamless steel pipe, constantly impacts observation panel coking so that coking falls off, and ensures that observation panel is clear
It is clean.
Further, ball grooves are respectively equipped at the outer wall of sliding steel pipe upper and lower ends；If being filled in the ball grooves
Dry milling pearl.By the setting of ball, facilitate sliding steel pipe moving freely in seamless steel pipe.
Further, soot blowing cooling device is double-layer shell structure, and annular wind is surrounded between internal layer shell and outer casing
Chamber；Soot blowing cooling device rear end is equipped with ring flange, and is fixedly linked by the ring flange and mounting plate one；Front end is by interior
Layer shell forms through-hole and is connected with the seamless steel pipe；Uniformly distributed multiple gas outlets on the internal layer shell；The air inlet is
It two, is symmetrically set on outer casing；The air inlet passes sequentially through annular wind chamber, gas outlet is connected with the seamless steel pipe
It is logical；Ring flange end is equipped with annular notches；In the annular notches of the embedded ring flange of the filter that keeps out the wind sealing, and fixed by ring flange
In soot blowing cooling device rear end.Burner hearth dust and high temperature are effectively obstructed by soot blowing cooling device, protects optical device（I.e.
Laser detector set on rear end）, safeguards system operation.
Further, gasket is equipped between soot blowing cooling device and the cooling chamber；The ring flange and mounting plate one
Between be equipped with sealing ring or gasket；The mounting plate one and mounting plate two correspond to the laser emitting mouth of the laser detector
Through-hole is equipped at position；The filter that keeps out the wind is at the lead to the hole site of the mounting plate one.More by the setting of gasket
Obstruct dust well.
Further, laser detector includes pedestal, laser measuring unit holder, laser measuring unit, shell；It is described
Shell is fixed at the rear end of the mounting plate two；The pedestal, laser measuring unit holder, laser measuring unit are set to shell
It is interior；The laser measuring unit passes sequentially through laser measuring unit holder, pedestal is fixedly mounted on the mounting plate two.
Further, laser detector further includes stepper motor；The stepper motor is fixed at the laser measurement
On unit rack, and it is connected with laser measuring unit transmission.The stepper motor can X, Y-axis both direction make angle be ±
5 °, the deflection that precision is 0.1 ° so that the laser measuring unit being mounted on laser measuring unit holder being capable of automatic value, school
Just.
Further, laser measuring unit holder selects automatically controlled optical frame, model：WN02EM100.
Laser measuring unit is laser beam emitting device or laser receiver.
The utility model has the following advantages compared with prior art：
The utility model effectively solves TDLAS systems by the setting of holder, coke removing appts and soot blowing cooling device to be implemented
When the easy coking of the high temperature, dusty and the observation panel that encounter the problem of so that TDLAS systems can continue monitoring hearth combustion mistake
Journey, the accurate combustion parameter obtained in power plant's burner hearth, monitors power plant's furnace exit temperature field distribution parameter in real time.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model burner hearth temperature detection device；
The whole sectional view of Fig. 2 the utility model burner hearth temperature detection devices；
Fig. 3 is the structural schematic diagram of holder in Fig. 1；
Fig. 4 is the structural schematic diagram of coke removing appts in Fig. 1；
Fig. 5 is the structural schematic diagram of soot blowing cooling device in Fig. 1；
Fig. 6 is the structural schematic diagram of laser detector in Fig. 1.
In figure：
1-holder；1.1-observation panels, 1.2-fixed plates, 1.3-support plates, 1.4-seamless steel pipes, 1.5-coolings
Chamber, 1.6-mounting plates one, 1.7-mounting plates two, 1.8-hinges, 1.9-installation pedestals；
2-coke removing appts；2.1-forked head steel pipes, 2.2-connection members, 2.3-connecting pins, 2.4-cylinders,
2.5-ball grooves, 2.6-ball grooves；
3-soot blowing cooling devices；3.1-air inlets, 3.2-gas outlets, 3.3-are kept out the wind filter；
4-laser detectors；4.1-pedestals, 4.2-laser measuring unit holders, 4.3-laser measuring units,
4.4-shells.
Specific implementation mode
The utility model is described in detail for the laser temperature detection device of power plant's burner hearth below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of burner hearth temperature detection device using laser detection of the utility model, including holder 1, coke removing appts
2, soot blowing cooling device 3 and laser detector 4.Coke removing appts 2, soot blowing cooling device 3 and laser detector 4 are installed in
On holder 1.
As shown in Figures 2 and 3, the holder 1 includes fixed plate 1.2, support plate 1.3, seamless steel pipe 1.4, cooling chamber
1.5, mounting plate 1, mounting plate 2 1.7, hinge 1.8, installation pedestal 1.9；Fixed plate 1.2 is equipped with rectangular through-hole, seamless
1.4 front cutting of steel pipe is V-structure, and both sides welding baffle forms approximate rectangular observation panel on V-type vertex, by seamless steel
The V-type front end of pipe 1.4 is inserted in the rectangular through-hole of fixed plate 1.2, is welded and fixed, and fixed plate is located at seamless steel pipe both sides point up and down
Not Han Jie with the axial parallel support plate 1.3 of seamless steel pipe, then by with 1.4 tube wall reinforcement of weld of seamless steel pipe；Seamless steel pipe
1.4 other ends are welded and fixed with cooling chamber 1.5；Cooling chamber 1.5 is welded and fixed with mounting plate 1；Mounting plate 1 and installation
Plate 2 1.7 is connected by hinge 1.8, and when two mounting plate hinges is bolted again；Installation pedestal 1.9 is weldingly fixed on installation
On plate 2 1.7.
As shown in Figure 2 and Figure 4, the coke removing appts 2 include forked head steel pipe 2.1, connection member 2.2, connecting pin
2.3, cylinder 2.4, ball grooves 2.5 and ball grooves 2.6；Forked head steel pipe 2.1 is movably positioned in seamless steel pipe 1.4, mobile
Full-size exceeds the front end of seamless steel pipe.And forked 2.1 outside of head steel pipe has ball grooves 2.5 and rolling in position up and down
Pearl slot 2.6, and frictional force is reduced in ball grooves 2.5 and 2.6 central filler steel ball 5 of ball grooves, connection member 2.2 is mounted on fork
On shape head steel pipe 2.1, seamless steel pipe 1.4, which is correspondingly connected at the position of structural member movement, is provided with corresponding mobile notch.Cylinder
2.4 are fixed by connecting pin 2.3 and connection member 2.2, and cylinder 2.4 is mounted on mounting plate 1 by fixed transfer part 6
On.It drives forked head steel pipe 2.1 to make front-rear reciprocation movement in seamless steel pipe 1.4 by cylinder 2.4, clears up at observation panel 1.1
Coking.
As shown in Figure 2 and Figure 5, soot blowing cooling device 3 is mounted in cooling chamber 1.5, and is filled in cooling chamber and soot blowing cooling
Gasket 7 is housed between setting, makes its sealing；Soot blowing cooling device 3 is bilayer that rear end carries ring flange end, that front end is through-hole
Shell structure, wherein the filter 3.3 that keeps out the wind is encapsulated between ring flange end and mounting plate 1（Specifically packaged type includes：It will
The filter 3.3 that keeps out the wind setting is equipped in ring flange end in annular notches, is sealed by contact surface glue envelope, or in contact surface
Packing is encrypted, then the filter 3.3 that will keep out the wind is screwed with annular notches interior tooth by the screw thread of side by cyclic annular gland and compresses sealing）,
Outer casing is equipped with 180 ° of symmetrical two air inlets 3.1, surrounds annular wind chamber between outer casing and internal layer shell, on internal layer shell
Equidistant round venthole 3.2 from each other is enclosed in distribution one.3.1 direction of the air inlet and soot blowing cooling device annular wind
Chamber is tangent so that 3.2 wind speed of each gas outlet is uniform.Ring flange end is fixedly mounted on mounting plate one, and contact surface is equipped with sealing
Circle or gasket.Since ring flange encapsulates the filter 3.3 that keeps out the wind, air-out direction can be controlled, annular wind is passed sequentially through by air inlet
Chamber, gas outlet, the through-hole of soot blowing cooling device, seamless steel pipe blow to the direction of observation panel 1.1, can obstruct burner hearth dust and height
Temperature protects optical device.
As shown in Figure 2 and Figure 6, the laser detector 4 includes pedestal 4.1, laser measuring unit holder 4.2, laser
Measuring unit 4.3 and shell 4.4；Laser measuring unit 4.3 is mounted on laser measuring unit holder 4.2, laser measuring unit
Holder 4.2 is mounted on pedestal 4.1, and pedestal 4.1 is mounted in installation pedestal 1.9；Shell 4.4 is fixed by wing nut 4.5
On mounting plate 2 1.7.The laser measuring unit holder 4.2 is equipped with stepper motor, can be as angle in X, Y-axis both direction
± 5 °, the deflection that precision is 0.1 ° so that the laser measuring unit 4.3 being mounted on laser measuring unit holder 4.2 can be certainly
Dynamic cut-off, correction, the laser measuring unit 4.3 are specially laser beam emitting device or laser receiver, that is to say, that this practicality
A kind of burner hearth temperature detection device using laser detection of novel offer is applicable in Laser emission end and laser pick-off end.
Claims (10)
1. a kind of burner hearth temperature detection device using laser detection, it is characterised in that：Including holder, coke removing appts, soot blowing cooling dress
It sets and laser detector；The holder includes seamless steel pipe；Described coke removing appts one end can be slidably set in an axial direction
In the seamless steel pipe；The coke removing appts head is forked, when being devoked, before which stretches out the holder
End；The soot blowing cooling device and laser detector are sequentially fixed at the back-end support；Soot blowing cooling device one end
It is connected with the seamless steel pipe, the other end is sealed by the filter that keeps out the wind；The soot blowing cooling device is equipped with air inlet；When into
When row laser detection, it is to be detected that the laser detector shoot laser sequentially passes through the soot blowing cooling device, holder incidence
Burner hearth in or laser passes sequentially through holder, soot blowing cooling device is received by the laser detector.
2. burner hearth temperature detection device according to claim 1, it is characterised in that：The holder further include fixed plate, support plate,
Cooling chamber, mounting plate one, mounting plate two and installation pedestal；The fixed plate is fixed on the front end of the seamless steel pipe, both sides point
It is not welded by the support plate and seamless steel pipe；The cooling chamber is fixed at the seamless steel pipe rear end；The mounting plate
One is fixed at the cooling cavity rear end；The installation pedestal is fixedly linked by the mounting plate two and mounting plate one；It is described
Soot blowing cooling device is set in the cooling chamber, and the cooling cavity outer wall is correspondingly provided with air inlet；The laser detector
It is fixed in the installation pedestal；Described coke removing appts one end is set in the seamless steel pipe, and the other end stretches out seamless steel pipe
It is connected outside with the mounting plate one by brake component.
3. burner hearth temperature detection device according to claim 2, it is characterised in that：The fixed plate is equipped with rectangular through-hole；Institute
It is V-structure to state seamless steel pipe front end to be in, and passes through the rectangular through-hole of the fixed plate to be welded with fixed plate by the V-structure
It is connected；The front opening of the V-structure forms observation panel；The support plate of fixed plate both sides setting and seamless steel pipe it is outer
Tube wall welds；The mounting plate one is connected through the hinge with mounting plate two；The installation pedestal welding is set to the mounting plate two
On.
4. burner hearth temperature detection device according to claim 2, it is characterised in that：The optical axis of the laser detector with it is described
Cooling chamber, seamless steel pipe are coaxial.
5. burner hearth temperature detection device according to claim 4, it is characterised in that：The brake component of the coke removing appts uses gas
Cylinder；The coke removing appts further include sliding steel pipe, connection member, connecting pin；The sliding steel pipe is set to the seamless steel pipe
Interior, front end is connected with the forked shaped head；The seamless steel pipe is equipped with mobile notch；The connection member is set to shifting chute
In mouthful, one end is connected with sliding steel pipe, and the other end is connected by the connecting pin with the cylinder-driven；The cylinder fixation is set
In on the mounting plate one.
6. burner hearth temperature detection device according to claim 5, it is characterised in that：At the outer wall of the sliding steel pipe upper and lower ends
It is respectively equipped with ball grooves；Several balls are filled in the ball grooves.
7. burner hearth temperature detection device according to claim 4, it is characterised in that：The soot blowing cooling device is double Shell knot
Structure surrounds annular wind chamber between internal layer shell and outer casing；Soot blowing cooling device rear end is equipped with ring flange, and passes through institute
Ring flange is stated to be fixedly linked with mounting plate one；Front end forms through-hole by internal layer shell and is connected with the seamless steel pipe；In described
Uniformly distributed multiple gas outlets on layer shell；The air inlet is two, is symmetrically set on outer casing；The air inlet passes sequentially through
Annular wind chamber, gas outlet are connected with the seamless steel pipe；The ring flange end is equipped with annular notches；The filter that keeps out the wind is close
In the annular notches of the embedded ring flange of envelope, and soot blowing cooling device rear end is fixed on by the ring flange.
8. burner hearth temperature detection device according to claim 7, it is characterised in that：The soot blowing cooling device and the cooling chamber
Between be equipped with gasket；The mounting plate one and mounting plate two correspond to equal at the laser emitting mouth position of the laser detector
Equipped with through-hole；The filter that keeps out the wind is at the lead to the hole site of the mounting plate one.
9. burner hearth temperature detection device according to claim 4, it is characterised in that：The laser detector includes pedestal, swashs
Light measurement unit rack, laser measuring unit, shell；The shell is fixed at the rear end of the mounting plate two；The pedestal,
Laser measuring unit holder, laser measuring unit are set in shell；The laser measuring unit passes sequentially through laser measuring unit
Holder, pedestal are fixedly mounted on the mounting plate two.
10. burner hearth temperature detection device according to claim 9, it is characterised in that：The laser detector further includes stepping
Motor；The stepper motor is fixed on the laser measuring unit holder, and is connected with laser measuring unit transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552399.8U CN208043250U (en) | 2018-04-18 | 2018-04-18 | A kind of burner hearth temperature detection device using laser detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552399.8U CN208043250U (en) | 2018-04-18 | 2018-04-18 | A kind of burner hearth temperature detection device using laser detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208043250U true CN208043250U (en) | 2018-11-02 |
Family
ID=63927490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820552399.8U Active CN208043250U (en) | 2018-04-18 | 2018-04-18 | A kind of burner hearth temperature detection device using laser detection |
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| Country | Link |
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| CN (1) | CN208043250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225574A (en) * | 2018-04-18 | 2018-06-29 | 南京科远自动化集团股份有限公司 | A kind of burner hearth temperature detection device using laser detection |
-
2018
- 2018-04-18 CN CN201820552399.8U patent/CN208043250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225574A (en) * | 2018-04-18 | 2018-06-29 | 南京科远自动化集团股份有限公司 | A kind of burner hearth temperature detection device using laser detection |
| CN108225574B (en) * | 2018-04-18 | 2023-11-21 | 南京科远智慧科技集团股份有限公司 | Hearth temperature detection device adopting laser detection |
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Address after: Water Pavilion Road Jiangning District moling street Nanjing City, Jiangsu province 211100 No. 1266 Patentee after: Nanjing Keyuan Intelligent Technology Group Co.,Ltd. Address before: Water Pavilion Road Jiangning District moling street Nanjing City, Jiangsu province 211100 No. 1266 Patentee before: NANJING SCIYON AUTOMATION GROUP Co.,Ltd. |