CN109405999A - A kind of imitative experimental appliance of pair of coal gasifier outside wall temperature variation monitoring - Google Patents
A kind of imitative experimental appliance of pair of coal gasifier outside wall temperature variation monitoring Download PDFInfo
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- CN109405999A CN109405999A CN201811242167.3A CN201811242167A CN109405999A CN 109405999 A CN109405999 A CN 109405999A CN 201811242167 A CN201811242167 A CN 201811242167A CN 109405999 A CN109405999 A CN 109405999A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/324—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres using Raman scattering
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Abstract
The imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring, comprising: simulation furnace (1), heating device group (2), the first secured adjusted device (3), temperature monitoring fixed device (4), temperature-detecting device (5), shielded box (7), supporting table (8), heating controller group (13), power supply connecting device (14) etc..By heating device group (2) to simulation furnace (1) heating to simulate temperature change under coal gasifier different working condition, provide a kind of device that can be probed into laboratory environments to coal gasifier outside wall temperature variation real-time monitoring, for probe into coal gasifier outside wall temperature monitoring provide experiment condition, for scientific research personnel to seek real-time monitoring coal gasifier outside wall temperature variation monitoring method on create condition.
Description
Technical field
The present invention relates to coal gasifier temperature detections to monitor field, and in particular to a kind of pair of coal gasifier outside wall temperature variation
The imitative experimental appliance of monitoring.
Background technique
Coal gasifier is the important consersion unit in coal water slurry gasifying device, the temperature in operation of the combustion chamber in gasification furnace
Reach 1000-1700 DEG C, under normal circumstances, in normal work, furnace wall temperature reaches 200 DEG C or so to coal gasifier, however fires
Burn room inner lining of furnace refractory brick at high temperature can corrosion, heated gas and slag wash away so that refractory brick is constantly thinning, certain
In the case of due to the defect laid bricks, refractory brick can fall off, and gas is invaded by brickwork joint so that gasification furnace furnace wall surface temperature increases
Gasification furnace metal outer wall strength reduction even higher to 300 DEG C, being pressurized in this case, gasification furnace furnace wall will stress changes
Shape.Therefore it in order to guarantee that gasification furnace normally, safely, effectively is run, needs to carry out real-time monitoring to furnace wall surface temperature, in temperature
Degree is alarmed when increasing, since the position that local refractory brick falls off is random, thus must be to furnace wall surface every bit
Temperature real-time monitoring, what each temperature monitoring point reacted is the temperature conditions of furnace outer wall test point, can determine whether refractory brick accordingly
Practical thickness and replacement state.However, about 3 meters of gasification furnace diameter, surface area is too big, at present the surface temperature measurement master of gasification furnace furnace wall
It will be there are three types of measurement method: traditional surface thermocouple, gasification furnace surface cable thermometric and thermal infrared imager, but thermocouple is past
Toward can not cover whole surface furnace wall, cable thermometric can not be accurately positioned, thermal infrared imager is expensive and working environment does not surpass
50 DEG C are crossed, this makes current coal gasifier outside wall temperature monitoring still be the failure to find solution well.
With the development of distributed optical fiber temperature measurement technology, when temperature-measuring system of distributed fibers utilizes Raman scattering principle and light
Domain reflection technology obtains temperature and the position of test point by the variation that the light intensity of anti-Stokes in optical fiber is affected by temperature
It sets, has been applied in industry spot, however be limited to the influence of optical fiber coating heatproof intensity, distributed optical fiber temperature measurement system
System can not be directly applied on the temperature monitoring of coal gasifier outer wall, thus need to provide the simulation coal gas under a kind of laboratory
Change the experimental provision of furnace outer wall temperature change, and then carries out the Experimental Research of coal gasifier outside wall temperature detection monitoring, and due to
Optical fiber price is lower, and can carry out all standing in coal gasifier outer wall, if distributed optical fiber temperature measurement technology can be in coal gas
Change and is applied on furnace outer wall thermometric and will bring convenience for the field.
Summary of the invention
In view of the above problems, the purpose of the present invention realizes above-mentioned " convenience ".
Purpose to realize the present invention, it is real that the present invention provides the simulations of a kind of pair of coal gasifier outside wall temperature variation monitoring
Experiment device, it includes simulating furnace and consolidating in annular first be placed equidistant with for one week for fixing temperature-measuring optical fiber of the simulation furnace exterior
It sets the tone regulating device, is provided with heating device group in the simulation furnace, the simulation furnace and the heating device group are placed in supporting table
Table top corresponding position；
The supporting table is round pie, and is provided centrally with and the big circles such as above-mentioned simulation furnace bottom in the supporting table table top
Groove and the groove 84 are used to place above-mentioned simulation furnace, are provided in the groove for placing the hollow of above-mentioned heating device group
Post holes, the hollow post holes lower part are correspondingly provided with the first hole entered for supply lines；
It is provided with female rail simultaneously in the support edge of table, the fixed device of temperature monitoring is provided in the female rail, is supervised by the temperature
Survey the fixed temperature-detecting device being close to above-mentioned simulation furnace outer wall for being monitored to the contact point temperature of fixed device；
In the supporting table and above-mentioned bottom portion of groove is provided with the access of cooperated power supply line and above-mentioned heating device group is added
The spool of heat, the spool bottom is provided with the second hole；
Three-dimensional protective separation case, the shielded box at least side setting observation are provided with outside above-mentioned supporting table and above-mentioned simulation furnace
Window is provided with winding displacement hole in the bottom of the shielded box, the bottom four corners of the shielded box is provided with support leg, while in the isolation
The bottom center of case is provided with third hole corresponding with above-mentioned second hole；
Above-mentioned heating device group is by supply lines through the spool and the heating controller group phase that is arranged in outside above-mentioned shielded box
Even, which connects to power supply device and is connected.
Further, the simulation furnace is formed using high temperature resistant boron nitride material one-pass molding mode, and the simulation furnace internal diameter is not
Less than one meter and the simulation furnace interior is divided into four equal part spaces.
Further, at least two groups of heating devices are mutually indepedent adjustable in the heating device group.
Further, the first secured adjusted device each week when above-mentioned simulation furnace is placed equidistant with for one week is at least arranged
Three, at least it is arranged two weeks in the outer wall of the simulation furnace；
The first secured adjusted device includes first fixing seat fixed by punching inserted mode with above-mentioned simulation furnace furnace wall,
First fixing seat is in bottom solid, and middle and upper part is provided with the first strip shape gob, which further includes the first adjusting
Nut the first adjusting nut bottom is provided with half opening shape notch, and first adjusting nut and the first fixing seat pass through Luo Dong
Screw-fashion cooperation.
Further, the supporting table is made of poor material disposal moldings of heat conductivities such as ceramics.
Further, the fixed device setting of the temperature monitoring includes the pedestal to match with above-mentioned female rail, and rectangular upright bar is simultaneously
The second secured adjusted device is provided at the upright bar；
The second secured adjusted device includes the second fixing seat, is respectively arranged with fixed above-mentioned upright bar in second fixing seat
The 4th hole and fixed above-mentioned temperature-detecting device the 5th hole and the 4th hole and the 5th hole opening direction it is mutual
It is perpendicular；
4th hole is provided with the second adjusting nut that screw-fashion cooperation in spiral shell hole is adjusted, the 5th hole setting
There is the third adjusting nut adjusted by the cooperation of spiral shell hole screw-fashion.
Further, the temperature-detecting device uses the tempilstick based on thermocouple type.
Further, the shielded box is made and top side detachable using stainless steel material, with the matched observation of the shielded box
Window uses high temperature resistant resistance to compression transparent glass material.
Further, the application method of the experimental provision is as follows:
The first step is opened at the top of above-mentioned shielded box and above-mentioned simulation furnace, heating device group, supporting table, temperature monitoring is fixed dress
It sets and is accordingly placed in the shielded box, while the second hole is aligned with third hole；
Supply lines is respectively connected with by second step by spool and heating device group, and by supply lines and is arranged in above-mentioned shielded box
External heating controller group and power supply connecting device accordingly connects；
Temperature-measuring optical fiber is passed through the winding displacement hole being arranged on above-mentioned shielded box and imported in the shielded box by third step, and by above-mentioned
First secured adjusted device is by temperature-measuring optical fiber ring-wound and is fixed on above-mentioned simulation furnace outer wall, further by extra temperature-measuring optical fiber
It is exported from the winding displacement hole；
The thermometric end of above-mentioned temperature-detecting device is withstood required observation position and by the fixed device of above-mentioned temperature monitoring by the 4th step
And the second secured adjusted device being arranged on the fixed device of the temperature monitoring is fixed；
5th step closes at the top of above-mentioned shielded box, heating is powered to above-mentioned heating device group, when above-mentioned temperature-detecting device
The heating power is kept when temperature display temperature is up to 200 DEG C；
6th step adjusts independent heating apparatus power in above-mentioned heating device group, so that the corresponding heating of the independent heating apparatus
The temperature detecting point of simulation furnace outer wall stops heating and keeping the heating power when reaching 300 DEG C；
7th step carries out temperature measurement by temperature-measuring optical fiber detection system, and observes used temperature-measuring optical fiber at 300 DEG C
Thermometric locating effect,
When used temperature-measuring optical fiber cannot be measured effectively at 300 DEG C, different type temperature-measuring optical fiber is replaced, and is repeated
State step；
When used temperature-measuring optical fiber works normally offer effectively measurement at 300 DEG C, observation is fixed on above-mentioned simulation furnace
The temperature change of the temperature-measuring optical fiber of outer wall simultaneously calculates position corresponding to different temperatures；
8th step stops heating to above-mentioned heating device group, when above-mentioned temperature-detecting device measures temperature and restores to room temperature,
It opens at the top of above-mentioned shielded box, marks temperature-measuring optical fiber position corresponding to above-mentioned simulation furnace outer wall different temperatures test point position, take
Further analysis is handled the temperature-measuring optical fiber out；
9th step adjusts temperature-measuring optical fiber range simulation furnace outer wall distance, further repeats above-mentioned experiment, observation analysis is simultaneously further
Influence of the distance change to thermometric and positioning between temperature-measuring optical fiber and simulation furnace outer wall is probed into processing.
The beneficial effects of the present invention are:
1, the present invention provides a kind of imitative experimental appliance of simulation coal gasifier outside wall temperature variation, pass through heating device group pair
Stove heating is simulated to simulate temperature change under coal gasifier different working condition, providing one kind can visit in laboratory environments
Study carefully the device to coal gasifier outside wall temperature variation real-time monitoring, provides experiment item to probe into the monitoring of coal gasifier outside wall temperature
Part, be more convenient for scientific research personnel to seek real-time monitoring coal gasifier outside wall temperature variation monitoring method on provide convenience；
2, the present invention heating device group and is provided with equal part by the way that mutually independent heating device is arranged in heating device group
The cooperation of the simulation furnace of compartment can make the simulation furnace outer wall show different difference variations, be thus the live coal of simulation
Gasification furnace local heating creates condition；
3, the present invention simulates the surface temperature of coal gasifier normal work, this is by heating device group to simulation stove heating
Working efficiency of the temperature-measuring optical fiber with different heat resistance coats in actual monitoring is probed into create condition；
4, cooperation of the present invention by temperature monitoring fixed device and temperature-detecting device, the reality measured by temperature-detecting device
Shi Wendu measures temperature with temperature-measuring optical fiber and compares in real time, and the accuracy for temperature-measuring optical fiber measurement result provides reference frame；
5, it by the way that the first fixed device of simulation furnace outer wall is arranged in, is influenced to imitate to probe into temperature-measuring optical fiber by apart from monitoring location
Fruit creates condition；
6, by setting shielded box, not only prevent to a certain extent experiment in heat scatter and disappear, moreover it is possible to reduce experiment in part
Experimenter's bring damage that equipment heating failure may give, and reduction high temperature experiment are influenced caused by ambient enviroment.
Figure of description
Fig. 1 illustrates the system schematic of the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring of the invention；
Fig. 2 illustrates the structure of simulation furnace in the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring of the invention
Schematic diagram；
Fig. 3 illustrates the structure of supporting table in the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring of the invention
Schematic diagram；
Fig. 4 illustrates temperature monitoring in the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring of the invention and fixes
The structural schematic diagram of device；
Fig. 5 illustrates the first secured adjusted in the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring of the invention
The structural schematic diagram of device；
Fig. 6 illustrates the second secured adjusted in the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring of the invention
The structural schematic diagram of device.
1, furnace (compartment) is simulated；2, heating device group；3, the first secured adjusted device；4, the fixed device of temperature monitoring；5,
Temperature-detecting device；6, observation window；7, shielded box；8, supporting table；9, winding displacement hole；10, support leg；11, spool；12, third hole
Hole；13, heating controller group；14, power supply connecting device；31, the first fixing seat；32, the first strip shape gob；33, half opening shape lacks
Mouthful；34, the first adjusting nut；41, pedestal；42, upright bar；43, the second secured adjusted device；431, third adjusting nut；432,
5th hole；433, the 4th hole；434, the second adjusting nut；435, the second fixing seat.
Specific embodiment
It is explained further below according to Fig. 1-6 pairs of a specific embodiment of the invention
Embodiment one:
It includes simulation furnace 1, is placed equidistant within one week the first fixation for fixing temperature-measuring optical fiber in 1 outer annular of simulation furnace
Regulating device 3 is provided with heating device group 2 in the simulation furnace 1, and the simulation furnace 1 and the heating device group 2 are placed in supporting table
8 table top corresponding position；
The supporting table 8 is round pie, is provided centrally with and the big circles such as above-mentioned 1 bottom of simulation furnace in 8 table top of supporting table
Connected in star 84 and the groove 84 are used to place above-mentioned simulation furnace 1, are provided in the groove 84 for placing above-mentioned heating device
The hollow post holes 83 of group 2, hollow 83 lower part of post holes are correspondingly provided with the first hole 81 entered for supply lines；
It is provided with female rail 85 simultaneously at 8 edge of supporting table, the fixed device 4 of temperature monitoring is provided in the female rail 85, by this
The fixed device 4 of temperature monitoring is fixed to be close to the inspection of the temperature for being monitored to the contact point temperature with above-mentioned 1 outer wall of simulation furnace
Survey device 5；
The supporting table 8 and be located at above-mentioned 84 bottom of groove be provided with cooperated power supply line access and to above-mentioned heating device group 2 into
The spool 11 of row heating, 11 bottom of spool is provided with the second hole 82；
It is provided with three-dimensional protective separation case 7 outside above-mentioned supporting table 8 and above-mentioned simulation furnace 1, the shielded box 7 at least side setting is seen
Window 6 is examined, the bottom of the shielded box 7 is provided with winding displacement hole 9, the bottom four corners of the shielded box 7 are provided with support leg 10, simultaneously
The bottom center of the shielded box is provided with third hole 12 corresponding with above-mentioned second hole 82；
Above-mentioned heating device group 2 is by supply lines through heating controller spool 11 and be arranged in outside above-mentioned shielded box 7
Group 13 is connected, which connects to power supply device 14 and be connected.
Further, the simulation furnace 1 is formed using high temperature resistant boron nitride material one-pass molding mode, 1 internal diameter of simulation furnace
It is set as 1 meter, is highly to be divided into four equal part spaces inside 0.8 meter and the simulation furnace 1.
Further, at least two groups of heating devices are mutually indepedent adjustable, heating devices in the heating device group 2
Heating device in group is using the mating heating control devices of existing thermocouple in the market, and platinum Pt Rh can be used in the thermocouple
Infrared heating pipe and its mating heating control devices also can be used in rhodium material thermocouple or anti-oxidation tungsten-rhenium thermo couple etc..
Further, the first secured adjusted device 3 each week when above-mentioned simulation furnace is placed equidistant with for 1 one weeks at least sets
Three are set, is at least arranged two weeks in the outer wall of the simulation furnace 1,；
The first secured adjusted device 3 includes that first fixed with above-mentioned 1 furnace wall of simulation furnace by punching inserted mode is fixed
Seat 31, first fixing seat 31 are in bottom solid, and middle and upper part is provided with the first strip shape gob 32, which also wraps
It includes the first adjusting nut 34 and is provided with half opening shape notch 33, first adjusting nut in 34 bottom of the first adjusting nut simultaneously
34 and first fixing seat 31 pass through spiral shell hole screw-fashion cooperate；
The first secured adjusted device 3 is molded using boron nitride material identical with above-mentioned 1 material of simulation furnace, and
First fixing seat, 31 internal diameter is 1 centimetre, and length is 3 centimetres, and the first strip shape gob 32, the first adjusting nut 34, screw hole etc. can spirits
Details are not described herein for grasp living.
Further, the supporting table 8 is made of poor material disposal moldings of heat conductivities such as ceramics；
The first hole 81, second in the supporting table 8 is arranged in a thickness of 0.1 meter at least 1.5 meters of 8 internal diameter of supporting table
Hole 82, hollow post holes 83, groove 84, female rail 85 etc. can flexibly be grasped by those skilled in the art, wherein for convenient for supply lines
5 centimetres should be not less than with the internal diameter of the cooperation heat supply of above-mentioned heating device group 2, second hole 82.
Further, the fixed setting of device 4 of the temperature monitoring includes the pedestal 41 to match with above-mentioned female rail 85, rectangular vertical
Bar 42 is simultaneously provided with the second secured adjusted device 43 at the upright bar 42；
The second secured adjusted device 43 includes the second fixing seat 435, is respectively arranged with fixation in second fixing seat 435
The 5th hole 432 and the 4th hole 433 of 4th hole 433 of above-mentioned upright bar 42 and fixed above-mentioned temperature-detecting device 5 with
5th hole, 432 opening direction is orthogonal；
4th hole 433 is provided with the second adjusting nut 434 that screw-fashion cooperation in spiral shell hole is adjusted, the 5th hole
Hole 432 is provided with the third adjusting nut 431 that screw-fashion cooperation in spiral shell hole is adjusted；
The pedestal 41 and rectangular upright bar 42 are made of stainless steel material, and the second secured adjusted device 43 is using nitridation
The temperature-resistant materials such as boron are molded or the other ways one-pass moldings such as 3D printing, and specific size is according to the width of above-mentioned female rail 85
Degree design.
Further, the temperature-detecting device 5 uses the tempilstick based on thermocouple type.
Further, the shielded box 7 using stainless steel material be made for it is 2 meters long, 2 meters wide, 1.2 meters high, with a thickness of 0.5 li
Rice and 7 top side detachable of shielded box use high temperature resistant resistance to compression transparent glass material with the matched observation window 6 of shielded box 7.
The application method of the experimental provision is as follows:
The first step is opened at the top of above-mentioned shielded box 7 and above-mentioned simulation furnace 1, heating device group 2, supporting table 8, temperature monitoring is solid
Determine device 4 to be accordingly placed in the shielded box 7, while the second hole 82 is aligned with third hole 12；
Supply lines is respectively connected with by spool 11 with heating device group 2 by second step, and supply lines is isolated with setting above-mentioned
Heating controller group 13 and power supply connecting device 14 outside case 7 accordingly connect；
Temperature-measuring optical fiber is passed through the winding displacement hole 9 being arranged on above-mentioned shielded box 7 and imported in the shielded box 7 by third step, and by upper
The first secured adjusted device 3 is stated by temperature-measuring optical fiber ring-wound and is fixed on above-mentioned 1 outer wall of simulation furnace, further by extra thermometric
Optical fiber is exported from the winding displacement hole 9；
The thermometric end of above-mentioned temperature-detecting device 5 is withstood required observation position and is filled by above-mentioned temperature monitoring is fixed by the 4th step
The the second secured adjusted device 43 setting 4 and being arranged on the fixed device 4 of the temperature monitoring is fixed；
5th step closes above-mentioned 7 top of shielded box, is powered heating to above-mentioned heating device group 2, when above-mentioned temperature detection fills
The heating power is kept when setting 5 temperature display temperature up to 200 DEG C；
6th step adjusts independent heating apparatus power in above-mentioned heating device group 2, so that the corresponding heating of the independent heating apparatus
The temperature detecting point of simulation 1 outer wall of furnace stops heating and keeping the heating power when reaching 300 DEG C；
7th step carries out temperature measurement by temperature-measuring optical fiber detection system, and observes used temperature-measuring optical fiber at 300 DEG C
Thermometric locating effect,
When used temperature-measuring optical fiber cannot be measured effectively at 300 DEG C, different type temperature-measuring optical fiber is replaced, and is repeated
State step；
When used temperature-measuring optical fiber works normally offer effectively measurement at 300 DEG C, observation is fixed on above-mentioned simulation furnace 1
The temperature change of the temperature-measuring optical fiber of outer wall simultaneously calculates position corresponding to different temperatures；
8th step stops the heating to above-mentioned heating device group 2, measures temperature to above-mentioned temperature-detecting device 5 and restore to room temperature
When, above-mentioned 7 top of shielded box is opened, temperature-measuring optical fiber position corresponding to above-mentioned 1 outer wall different temperatures test point position of simulation furnace is marked
It sets, taking out the temperature-measuring optical fiber, further analysis is handled；
9th step adjusts 1 outer wall distance of temperature-measuring optical fiber range simulation furnace, further repeats above-mentioned experiment, and observation analysis goes forward side by side one
Influence of the distance change to thermometric and positioning between temperature-measuring optical fiber and simulation 1 outer wall of furnace is probed into step processing.
It should be noted that replacing metal material production simulation furnace 1 using high-temperature ammonolysis boron material in the present embodiment, this is
Since boron nitride has good thermal conductivity, thermal conductivity is suitable with stainless steel, it is heat-resisting up to 2000 DEG C with first-class advantage while
It is that good insulating materials and heat sink material are brought rapidly up convenient for the outer wall of simulation furnace 1, also may be used according to infrared heating pipe heating
It is replaced using stainless steel material；Supply lines should have heatproof coating；Plug and power supply board can be used in the power supply connecting device 14
Mode is powered, and 1 inner wall of simulation road can also need to be appropriately arranged with thermal isolation film between the by stages such as each isolation according to heating efficiency,
Other can no longer be repeated one by one again by the design parameter that those skilled in the art flexibly grasps.
The working principle of the invention:
2 pairs of simulation furnaces 1 of the heating device group being arranged through the invention heat, and then simulate coal gasifier different working condition
Outside wall temperature variation, and with the development of optical fiber technology, distributed Raman fiber thermometry using Raman scattering principle and
The temperature of test point can be accurately positioned according to the variation that the intensity of anti-Stokes light is affected by temperature for optical time domain reflection technology,
And the performance that the application of temperature-measuring optical fiber is primarily limited to temperature-measuring optical fiber coat at present influences, thus the present invention provides a kind of moulds
The experimental provision of quasi- coal gasifier outside wall temperature variation accordingly meets heatproof item to probe into the temperature-measuring optical fiber being more suitable for and probe into
The temperature-measuring optical fiber of part coal gasifier field application method, it should be noted that due to distributed optical fiber temperature measurement position
System certain applications are in industrial site, thus distributed optical fiber temperature measurement positioning system is not done specifically in the present invention
It is bright, temperature-measuring optical fiber of the present invention be in distributed temperature measuring positioning system mating use temperature-measuring optical fiber.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific method or characteristic are not made herein in scheme
Excessive description.It should be pointed out that under the premise of not departing from the present invention, can also be carried out for those skilled in the art
Several modifications and improvements, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
And patent practicability.This application claims protection scope should be based on the contents of the claims, the specific reality in specification
Applying the records such as mode can be used for explaining the content of claim.
Claims (8)
1. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring, it is characterised in that:
It includes simulation furnace (1) and is placed equidistant within outer annular one week for fixing temperature-measuring optical fiber in simulation furnace (1)
One secured adjusted device (3) is provided with heating device group (2) in the simulation furnace (1), the simulation furnace (1) and the heating device
Group (2) is placed in the table top corresponding position of supporting table (8)；
The supporting table (8) is round pie, and is provided centrally with and above-mentioned simulation furnace (1) bottom in supporting table (8) table top
Etc. big circular groove (84) and the groove (84) is for placing above-mentioned simulation furnace (1), is provided with and is used in the groove (84)
Place the hollow post holes (83) of above-mentioned heating device group (2), hollow post holes (83) lower part be correspondingly provided with for supply lines into
The first hole (81) entered；
Female rail (85) are provided with simultaneously at supporting table (8) edge, the fixed device of temperature monitoring is provided in the female rail (85)
(4), by the temperature monitoring fixed device (4) it is fixed be close to above-mentioned simulation furnace (1) outer wall for the contact point temperature into
The temperature-detecting device (5) of row monitoring；
The supporting table (8) and be located at above-mentioned groove (84) bottom be provided with cooperated power supply line access and to above-mentioned heating device group
(2) spool (11) heated, spool (11) bottom are provided with the second hole (82)；
It is provided with three-dimensional protective separation case (7) outside above-mentioned supporting table (8) and above-mentioned simulation furnace (1), the shielded box (7) at least one
Observation window (6) are arranged in side, and the bottom of the shielded box (7) is provided with winding displacement hole (9), sets in the bottom four corners of the shielded box (7)
It is equipped with support leg (10), while the bottom center of the shielded box being provided with third hole corresponding with above-mentioned second hole (82)
Hole (12)；
The heating external in above-mentioned shielded box (7) through the spool (11) and setting by supply lines of above-mentioned heating device group (2)
Controller group (13) is connected, which connects to power supply device (14) and be connected.
2. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring according to claim 1, feature
It is:
The simulation furnace (1) is formed using high temperature resistant boron nitride material one-pass molding mode, which is not less than 1
Rice and the simulation furnace interior be divided into four equal part spaces.
3. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring according to claim 1, feature
It is:
At least two groups of heating devices are mutually indepedent adjustable in the heating device group (2).
4. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring according to claim 1, feature
It is:
The first secured adjusted device (3) each week when above-mentioned simulation furnace is placed equidistant with for (1) one week is at least arranged 3,
At least it is arranged 2 weeks in the outer wall of the simulation furnace (1)；
The first secured adjusted device (3) includes first fixed with above-mentioned simulation furnace (1) furnace wall by punching inserted mode
Fixing seat (31), first fixing seat (31) are in bottom solid, and middle and upper part is provided with the first strip shape gob (32), first secured adjusted
Device (3) further includes that the first adjusting nut (34) the first adjusting nut (34) bottom is provided with half opening shape notch (33), institute
The first adjusting nut (34) and the first fixing seat (31) are stated to cooperate by spiral shell hole screw-fashion.
5. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring according to claim 1, feature
It is:
The supporting table (8) is made of poor material disposal moldings of heat conductivities such as ceramics.
6. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring according to claim 1, feature
It is:
The temperature monitoring fixed device (4) setting includes the pedestal (41) to match with above-mentioned female rail (85), rectangular upright bar
(42) and at the upright bar (42) it is provided with the second secured adjusted device (43)；
The second secured adjusted device (43) includes the second fixing seat (435), is respectively set in second fixing seat (435)
There are the 4th hole (433) of fixed above-mentioned upright bar (42) and the 5th hole (432) of fixed above-mentioned temperature-detecting device (5) and is somebody's turn to do
4th hole (433) and the 5th hole (432) opening direction are orthogonal；
4th hole (433) is provided with the second adjusting nut (434) that screw-fashion cooperation in spiral shell hole is adjusted, and described the
Five holes (432) are provided with the third adjusting nut (431) that screw-fashion cooperation in spiral shell hole is adjusted.
7. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring according to claim 1, feature
It is:
The temperature-detecting device (5) uses the tempilstick based on thermocouple type.
8. the imitative experimental appliance of a kind of pair of coal gasifier outside wall temperature variation monitoring according to claim 1, feature
It is:
The shielded box (7) is made of stainless steel material and top side detachable, with shielded box (7) the matched observation window (6)
Using high temperature resistant resistance to compression transparent glass material.
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| CN201811242167.3A CN109405999B (en) | 2018-10-24 | 2018-10-24 | Simulation experiment device for monitoring temperature change of outer wall of coal gasifier |
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Cited By (1)
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| CN109405999B (en) | 2020-11-10 |
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