CN203949731U - Station boiler flue multipoint mode cigarette temperature monitoring device - Google Patents
Station boiler flue multipoint mode cigarette temperature monitoring device Download PDFInfo
- Publication number
- CN203949731U CN203949731U CN201420297143.9U CN201420297143U CN203949731U CN 203949731 U CN203949731 U CN 203949731U CN 201420297143 U CN201420297143 U CN 201420297143U CN 203949731 U CN203949731 U CN 203949731U
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- China
- Prior art keywords
- telescoping mechanism
- flue
- temperature monitoring
- monitoring device
- station boiler
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- Expired - Lifetime
Links
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 25
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 10
- 238000005728 strengthening Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A kind of station boiler flue multipoint mode cigarette temperature monitoring device of station boiler temperature monitoring technical field, this device from top to bottom comprises: base part, telescoping mechanism, Zhi Zhen mechanism and be positioned at base part and the measuring point mechanism of telescoping mechanism inside, base part is fixedly installed on horizontal flue top and is fixedly connected with one end of telescoping mechanism, Zhi Zhen mechanism is fixedly installed on the bottom of horizontal flue and is socketed with the other end of telescoping mechanism, and telescoping mechanism is vertically arranged in horizontal flue and parallels with boiler tube.The utility model is easy for installation and measurement result is reliable, can meet and under 10m/s or higher velocity of flue gas, carry out the arbitrary height flue-gas temperature monitoring within the scope of 800 ℃～1000 ℃.In addition, only the shaking of special construction, shoe make the utility model compare existing temperature measuring mechanism and have increased substantially practicality and serviceable life.
Description
Technical field
The utility model relates to a kind of for large-sized station boiler high-temperature flue cigarette temperature monitoring device, specifically a kind of be applicable to flue gas flow rate be greater than 10m/s, flue-gas temperature 800 ℃ ?1000 ℃, flue height surpass the station boiler flue multipoint mode cigarette temperature monitoring device of 10m, by temperature measuring equipment limited, that arrange along high-temperature flue multiple spot is combined with feasible installation method, the application of the cigarette temperature measurement technology of boiler high temperature heating surface flue is achieved.
Background technology
Along with station boiler unit is to high parameter, large capacity future development, the security of unit operation, reliability have become outstanding problem.The horizontal flue of boiler furnace outlet flue gas is being arranged the crucial heating surface parts of the boiler high temperature such as superheater and high temperature reheater, these parts be in for a long time 800 ℃ ?under the severe condition of work of high-temperature flue gas abrasion, high pressure, oxidation of 1000 ℃.Due to width and the highly corresponding increase of large capacity unit boiler horizontal flue, add that the unevenness of the circle of contact or opposed firing burning is further aggravated the cigarette temperature deviation along flue width.For many years, researchist both domestic and external wishes to obtain by actual measurement means the cigarette temperature regularity of distribution of boiler high temperature heating surface flue, because the cigarette temperature of boiler high temperature heating surface flue is high, the difficulty of layouting, the reason such as implement to cost dearly, becomes the difficult problem that technology realizes.
Because boiler horizontal gas pass high-temperature surface is installed the finiteness of fixing cigarette temperature monitoring point, add the difficulty of field engineering, boiler maker business does not generally provide the fixing cigarette temperature monitoring point of high-temperature surface flue in Boiler Furnace.It is reported, the U.S. has developed and has utilized infrared ray to carry out the product of fire box temperature mensuration, it be one with pressure-air cooling and protection system, be exclusively used in and measure CO in flue gas
2the infrared remote temperature measuring equipment of gas temperature.Concrete methods of realizing: by this measurement mechanism being mounted on flange on the aperture of door of boiler setting, the cigarette temperature in can on-line monitoring Boiler Furnace.Also can select mancarried device, the interim test to cigarette temperature in Boiler Furnace for scene.Domestic this measuring technology of once utilizing makes a service test to station boiler, but the cigarette temperature of somewhere reality in reacting furnace definitely.
Through the retrieval of prior art is found; Chinese patent literature CN102322971A; open day 2012.01.18; boiler tube long service life wall temperature measuring device in a kind of stove is disclosed; comprise the protecting tube being fastened on boiler tube outer wall, the thermopair being connected with thermal technology's terminal box, penetrates from protecting tube one end, the other end stretches out; the thermopair stretching out is thermocouple temperature measurement end, by thermocouple temperature measurement end device, is fastened on boiler tube outer wall.The thermocouple temperature measurement end of this device is placed in thermocouple temperature measurement end device, and thermocouple temperature measurement end device is fixed on boiler tube outer wall by comprehensive metallurgical binding mode.But the following defect of the existence of this technology: 1, the object of this commercial measurement is tube wall temperature, but not flue-gas temperature; 2, it is limited that measurement mechanism is installed development length, to being greater than the certain technical difficulty of measurement tool of 10 meters of above height large-sized station boiler Horizontal Pass Flue Gas Temperature.
Chinese patent literature CN2835967, open day 2006.11.08, discloses a kind of flue temperature thermocouple protecting device for anode roasting oven, and its structure is: flange 2 is connected with protection steel pipe 4, in the outside of protection steel pipe 4, has protective layer 5 and cementing agent 6; Thermopair 1 is positioned in protection steel pipe 4, and both connect by flange 2 and bolt 3, between the hypomere of protection steel pipe 4 and thermopair 1, has soft padding 7; By the thermopair external member connecting to form above, insert in muff 8 its bottom.But the defect of this technology is: 1, this technique device is not suitable for boiler for high power station, is applicable to waste heat boiler; 2, this technology is general fexible unit, is not suitable for the test of station boiler high-temperature flue cigarette temperature deviation; 3, this proving installation awaits the combination with application process.
Utility model content
The deficiency that the utility model exists for prior art, a kind of station boiler flue multipoint mode cigarette temperature monitoring device is proposed, install feasible and the measurement result that combines with application process is reliable, can meet under 10m/s or higher velocity of flue gas and carry out the arbitrary height flue-gas temperature monitoring within the scope of 800～1000 ℃.In addition, only the shaking of special construction, wear-resistant device make the utility model aspect practicality, reliability, become feasiblely, and the temperature measuring equipment life-span is greatly improved.
The utility model is achieved through the following technical solutions:
The utility model relates to a kind of station boiler flue multipoint mode cigarette temperature monitoring device, from top to bottom comprise: base part, telescoping mechanism, Zhi Zhen mechanism and be positioned at base part and at least one measuring point mechanism of telescoping mechanism inside, wherein: base part is fixed on horizontal flue top and is fixedly connected with one end of telescoping mechanism, Zhi Zhen mechanism is fixed on the bottom of horizontal flue and is socketed with the other end of telescoping mechanism, and telescoping mechanism is vertically in boiler horizontal gas pass and parallels with boiler tube.
Described Zhi Zhen mechanism comprises: the holder of hollow-core construction and be vertically arranged at the only vibration cylinder on holder, wherein: only vibration cylinder contacts with the outer wall of telescoping mechanism, the hollow-core construction of holder connects direction and holder consistent with flue gas direction and stops vibration cylinder connection and is provided with ash-falling hole.
Described telescoping mechanism consists of multistage variable cross section caliber.
Described base part comprises: base socket sleeve and the fin being placed on base socket sleeve form.
Described measuring point mechanism comprises one or more device for detecting temperature, and this device for detecting temperature forms with signal transport sector by popping one's head in, wherein: the height of the position of probe and described heat conduction via-hole array matches
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the local enlarged diagram of A part in Fig. 1.
Fig. 3 is the local enlarged diagram of B part in Fig. 1.
Fig. 4 is the local enlarged diagram of C part in Fig. 1.
Fig. 5 is the local enlarged diagram of D part in Fig. 1.
Fig. 6 is embodiment device scheme of installation.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented take technical solutions of the utility model under prerequisite; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As figure 1 ?as shown in 4, the present embodiment from top to bottom comprises: base part 1, telescoping mechanism 2, Zhi Zhen mechanism 3 and be positioned at base part 1 and a plurality of measuring point mechanism 4 of telescoping mechanism 2 inside, wherein: base part 1 is fixedly installed on horizontal flue top and is fixedly connected with one end of telescoping mechanism 2, Zhi Zhen mechanism 3 is fixedly installed on horizontal flue bottom and is socketed with the other end of telescoping mechanism 2, and telescoping mechanism 2 is vertically arranged in boiler horizontal gas pass and parallels with boiler tube 5.
Described Zhi Zhen mechanism 3 comprises: the holder 6 of hollow-core construction and be vertically arranged at the only vibration cylinder 7 on holder 6, wherein: only vibration cylinder 7 contacts with the outer wall of telescoping mechanism 2, the hollow-core construction of holder 6 connects direction and holder 6 consistent with flue gas direction and stops vibration cylinder 7 connections and is provided with ash-falling hole 8.
Described only vibration cylinder 7 is provided with some strengthening wings 9 with holder 6 connections, and this strengthening wing 9 is for triangular structure and be positioned at the length of side of stopping vibration cylinder one side and be greater than the length of side that is positioned at holder one side.
Described telescoping mechanism 2 is multistage variable cross section telescopic structure, this telescoping mechanism 2 is comprised of two sections of above sliding sleeves 10, the top of telescoping mechanism 2, and first section of sliding sleeve 10 is fixedly connected with base part 1, the bottom of telescoping mechanism 2, latter end sliding sleeve 10 is positioned at Zhi Zhen mechanism 3.
Described base part 1 comprises: base socket sleeve 12 and be arranged at the fin 13 on base socket sleeve 12, wherein: the base socket sleeve 12 of hollow-core construction can adopt but be not limited to and be fixed on horizontal flue top by flange 14, the top of telescoping mechanism 2 is fixedly connected with base socket sleeve 12, measuring point mechanism 4 is movably set in the inside of base socket sleeve 12 and telescoping mechanism 2, and fin 13 is perpendicular with telescoping mechanism 2.
Described measuring point mechanism 4 comprises: probe 15 and signal transport sector, wherein: the height of the position of probe 15 and described heat conduction via-hole array 11 matches.
Described sliding sleeve 10 is provided with flue gas heat conduction via-hole array 11, this flue gas heat conduction via-hole array 11 is realized in the following ways: take sliding sleeve 10 as axis, centered by the probe of described measuring point mechanism, on sliding sleeve, along pipe range direction, by 2 times of tube walls, be height, every 60 degree spiral distribution shapes, 6 smoke ventilators are set respectively.
As shown in Figure 2 and Figure 4, the residing through hole of point for measuring temperature should be adjusted in the face of sweep of gases face when mounted artificially.For guaranteeing the intensity of sliding sleeve, remaining through hole is not or not the same cross section of sliding sleeve.
Described flue gas heat conduction via-hole array 11 can effectively prevent that inner air from expanding, and makes sliding sleeve 10 internal temperatures and the outer flue-gas temperature realtime uniform of pipe simultaneously.
Described sliding sleeve 10 is 0Cr
25ni
20material is made, and its surface is provided with the wearing layer of 0.5 millimeters thick.
As shown in Figure 6, the present embodiment is realized inner flue gas of the stove temperature Real-Time Monitoring by following steps:
1) determine boiler to be monitored, base socket sleeve 12 is fixed on to horizontal flue top;
2) telescoping mechanism 2 is also vertically put into boiler internal through base socket sleeve 12, then the top of telescoping mechanism 2 is fixedly connected with base socket sleeve 12;
3) in horizontal flue bottom, be fixedly installed Zhi Zhen mechanism 3, and according to the vertical coefficient of telescoping mechanism 2 recording, determine that only vibration cylinder 7 is positioned at the particular location on holder 6;
Described Zhi Zhen mechanism 3 adopts spot welding mode to be fixed on horizontal flue bottom.
4) on holder 6, the corresponding only terminal position of vibration cylinder 7 arranges ash-falling hole 8, and will stop vibration cylinder 7 and be fixedly installed on holder 6, then the bottom of telescoping mechanism 2 is only placed in vibration cylinder 7;
Described only vibration cylinder 7 is fixedly installed on holder 6 by welding manner, after welding, further at weld, add the strengthening wing 9, the quantity of the strengthening wing 9 can be 1 to 4, and when adopting 1 strengthening wing 9, its position is arranged at stops vibration cylinder 7 over against the back side of flue gas direction; When adopting 2 strengthening wings 9, second strengthening wing 9 is arranged at and stops vibration cylinder 7 over against the front of flue gas direction; When adopting 3 strengthening wings 9,3 strengthening wings 9 be distributed in the periphery of vibration cylinder 7 only and wherein 1 be only positioned at vibration cylinder 7 over against the front of flue gas direction.
When being fixedly installed only vibration cylinder 7, first pack up telescoping mechanism 2 partly or entirely, after steady job completes, again telescoping mechanism 2 is put into section by section to only vibration cylinder 7.
5) at horizontal flue top, by base socket sleeve 12Jiang measuring point mechanism 4, send into telescoping mechanism 2, by starting monitoring device after base socket sleeve 12 sealings, realize temperature monitoring.
The connecting portion of the sliding sleeve 10 in described telescoping mechanism 2 is provided with chamfering 16, makes monitoring machine can rely on gravity naturally to send into the inner needed height and position of telescoping mechanism 2.
Claims (8)
1. a station boiler flue multipoint mode cigarette temperature monitoring device, it is characterized in that, from top to bottom comprise: base part, telescoping mechanism, Zhi Zhen mechanism and be positioned at base part and at least one measuring point mechanism of telescoping mechanism inside, wherein: base part is fixedly installed on horizontal flue top and is fixedly connected with one end of telescoping mechanism, Zhi Zhen mechanism be fixedly installed on horizontal flue bottom and with the other end socket of telescoping mechanism, telescoping mechanism is vertically arranged in the horizontal flue of boiler and parallels with boiler tube.
2. station boiler flue multipoint mode cigarette temperature monitoring device according to claim 1, it is characterized in that, described Zhi Zhen mechanism comprises: the holder of hollow-core construction and be vertically arranged at the only vibration cylinder on holder, wherein: only vibration cylinder contacts with the outer wall of telescoping mechanism, the hollow-core construction of holder connects direction and holder consistent with flue gas direction and stops vibration cylinder connection and is provided with ash-falling hole.
3. station boiler flue multipoint mode cigarette temperature monitoring device according to claim 2, it is characterized in that, described only vibration cylinder is provided with some strengthening wings with holder connection, and this strengthening wing is that the length of side that triangular structure and being positioned at is stopped vibration cylinder one side is greater than the length of side that is positioned at holder one side.
4. station boiler flue multipoint mode cigarette temperature monitoring device according to claim 1, it is characterized in that, described telescoping mechanism is multistage variable cross section telescopic structure, this telescoping mechanism is comprised of two sections of above sliding sleeves, the top of telescoping mechanism, be that first section of sliding sleeve is fixedly connected with base part, the bottom of telescoping mechanism, latter end sliding sleeve is positioned at Zhi Zhen mechanism.
5. station boiler flue multipoint mode cigarette temperature monitoring device according to claim 4, it is characterized in that, described sliding sleeve is provided with flue gas heat conduction via-hole array, this flue gas heat conduction via-hole array is realized in the following ways: take sliding sleeve as axis, centered by the probe of described measuring point mechanism, on sliding sleeve, respectively along pipe range direction, by 2 times of tube walls, for height, every 60, spend spiral distribution shapes, 6 smoke ventilators are set, wherein the residing through hole of point for measuring temperature should be adjusted in the face of sweep of gases face when mounted artificially.
6. station boiler flue multipoint mode cigarette temperature monitoring device according to claim 1, is characterized in that, described base part comprises: base socket sleeve and be arranged at the fin on base socket sleeve.
7. station boiler flue multipoint mode cigarette temperature monitoring device according to claim 6, it is characterized in that, the base socket sleeve of hollow-core construction is fixed on horizontal flue top by flange, the top of telescoping mechanism is fixedly connected with base socket sleeve, measuring point mechanism is movably set in the inside of base socket sleeve and telescoping mechanism, and fin and telescoping mechanism are perpendicular.
8. station boiler flue multipoint mode cigarette temperature monitoring device according to claim 5, it is characterized in that, described measuring point mechanism comprises one or more device for detecting temperature, this device for detecting temperature forms with signal transport sector by popping one's head in, wherein: the height of the position of probe and described heat conduction via-hole array matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297143.9U CN203949731U (en) | 2014-06-05 | 2014-06-05 | Station boiler flue multipoint mode cigarette temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297143.9U CN203949731U (en) | 2014-06-05 | 2014-06-05 | Station boiler flue multipoint mode cigarette temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203949731U true CN203949731U (en) | 2014-11-19 |
Family
ID=51891761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420297143.9U Expired - Lifetime CN203949731U (en) | 2014-06-05 | 2014-06-05 | Station boiler flue multipoint mode cigarette temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203949731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983369A (en) * | 2014-06-05 | 2014-08-13 | 上海望特能源科技有限公司 | Multiple-point fume temperature monitoring device for power station boiler flue and realizing method of device |
-
2014
- 2014-06-05 CN CN201420297143.9U patent/CN203949731U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983369A (en) * | 2014-06-05 | 2014-08-13 | 上海望特能源科技有限公司 | Multiple-point fume temperature monitoring device for power station boiler flue and realizing method of device |
| CN103983369B (en) * | 2014-06-05 | 2016-10-26 | 上海望特能源科技有限公司 | Station boiler flue multipoint mode cigarette temperature monitoring device and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Wangte Zemou Electric Power Technology Co.,Ltd. Assignor: SHANGHAI WANGTE ENERGY RESOURCE SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2023310000101 Denomination of utility model: Multipoint smoke temperature monitoring device for power plant boiler flue Granted publication date: 20141119 License type: Common License Record date: 20230615 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |