CN203672509U - Field temperature detector for blast furnace and cross temperature measurement detecting system for blast furnace - Google Patents
Field temperature detector for blast furnace and cross temperature measurement detecting system for blast furnace Download PDFInfo
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- CN203672509U CN203672509U CN201320868610.4U CN201320868610U CN203672509U CN 203672509 U CN203672509 U CN 203672509U CN 201320868610 U CN201320868610 U CN 201320868610U CN 203672509 U CN203672509 U CN 203672509U
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- blast furnace
- detector
- detector body
- field control
- control case
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Abstract
The utility model provides a field temperature detector for a blast furnace, which comprises the components of: a detector body, a cooling water flange and a thermocouple wiring box; wherein the cooling water flange and the thermocouple wiring box are arranged at the tail part. A cooling water pipe is fixed at the cooling water flange. The detector body has a step type composite structure. The utility model further provides a cross temperature measurement detecting system for the blast furnace, which comprises four field temperature detectors which are selected from the temperature detectors described in the claim 1 to 3, a field control box and an industrial controller. The field temperature detector for the blast furnace provided by the utility model is advantageous in that: a stepped structure is adopted for the detector body, thereby remarkably improving bending resistance of the structure, realizing enough strength and rigidity for resisting a thermal stress and structure damage caused by a static load and a dynamic load of a cantilever structure; simultaneously the thermocouple and a protective tube thereof can be totally configured straightly, and the thermocouple can be smoothly changed on a condition without air stoppage or production stoppage; furthermore the field temperature detector for the blast furnace has a coupling breakage alarm function.
Description
Technical field
The utility model belongs to metallurgy high furnace equipment technical field, especially relates to a kind of blast furnace scene temperature detector and blast furnace cross thermometric detection system.
Background technology
Blast furnace cross temp measuring system is mounted in the high furnace interior realtime temperature measurer of one under blast furnace furnace throat, chute, mainly measures the real time temperature of gas on blast furnace charge level.The one, by the temperature data analysis in charge level plane, to when, what position is added ore or coke has certain guidance, and the 2nd, by temperature detection, chuting system is played to first order protection operation.
In the prior art, detector body is generally rectangular structure, its bending strength deficiency, can not resist the structural failure that thermal stress and cantilever design are quiet, dynamic loading causes, the thermal stress of bringing due to charge level heat radiation may cause detector body to be bent upwards distortion, charging chute and detector body is bumped against and have an accident.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of blast furnace scene temperature detector and blast furnace cross thermometric detection system.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of blast furnace scene temperature detector, comprises chilled water flange and the thermopair junction box of detector body and afterbody thereof, and described chilled water flange is fixed cooling water pipe; Described detector body is staged composite structure.
Preferably, wear-resisting heat insulation structural is installed on described detector body top, and the top of described wear-resisting heat insulation structural is level.
Preferably, in the staircase structure of described detector body, be connected with some thermopairs, thermopair horizontally set, described thermopair is the nickel chromium triangle-nisiloy armoured thermocouple that adopts Φ 6mm.
Preferably, described thermopair is provided with protecting tube outward, and described protecting tube adopts Φ 16-20 stainless-steel tube.
A kind of blast furnace cross thermometric detection system, comprises four above-mentioned scene temperature detectors, also has field control case and an industrial computer;
Described four scene temperature detectors are arranged on blast furnace throat, and every scene temperature detector has 4 to 8 thermopairs to access field control case by compensating wire;
Described field control case is arranged on Top of BF platform, and 3 to 4 deblocking temperature acquisition modules are installed in field control case, is connected with industrial computer by telecommunication cable.
Preferably, described field control case adopts RS485 serial fieldbus, communication mode by the temperature data uploading collecting to industrial computer.
Advantage and the good effect that the utlity model has are:
Detector body adopts stepped construction, obviously increases the bending strength of structure, has the structural failure that sufficient strength and stiffness are resisted thermal stress and cantilever design is quiet, dynamic loading causes;
Layout that thermopair and protection tube thereof are straight, can be at damping down not, change smoothly thermopair do not stop production in the situation that, has disconnected even warning function;
Detector body horizontal direction projected area is little, and detector body previous section is about 200mm, and because projected area is little, the spinoff that affects cloth for fixed cross temperature measurer is down to very little;
The top of wear-resisting heat insulation structural is level, can reserve part furnace charge, form backing strap, and to increase structure wearing quality, can prevent the furnace charge impact wear to detector for a long time, thereby guarantee the serviceable life of detector;
The measurement temperature range of nickel chromium triangle-nisiloy armoured thermocouple is 0-1300oc, and because thermoelectrical potential is apparently higher than platinum rhodium thermocouple, thermopair is better linear, so test error is little;
Thermocouple sheath adopts Φ 16-20 stainless-steel tube, by head and the tight soldering and sealing of afterbody, does like this and can prevent from leaking when mounted;
Body normal service life can reach 1 year.
Accompanying drawing explanation
Fig. 1 is the side view of the utility model scene temperature detector;
Fig. 2 is the distribution plan of the utility model blast furnace cross thermometric detection system scene temperature detector;
Fig. 3 is the johning knot composition of the utility model blast furnace cross thermometric detection system.
In figure:
1, detector body 2, field control case 3, industrial computer
4, body of heater 5, chilled water flange 6, thermopair junction box
7, wear-resisting heat insulation structural 8, protecting tube
Embodiment
A kind of blast furnace scene temperature of the utility model detector, as shown in Figure 1, comprises chilled water flange 5 and the thermopair junction box 6 of detector body 1 and afterbody thereof, and cooling water pipe is fixed at described chilled water flange 5 places; Described detector body 1 is staged composite structure; Wear-resisting heat insulation structural 7 is installed on described detector body 1 top, and the top of described wear-resisting heat insulation structural 7 is levels; In the staircase structure of described detector body 1, be connected with some thermopairs; thermopair horizontally set; for measuring accuracy is provided; described thermopair is the nickel chromium triangle-nisiloy armoured thermocouple that adopts Φ 6mm; thermopair is provided with protecting tube 8 outward, and described protecting tube 8 adopts Φ 16-20 stainless-steel tube.
A kind of blast furnace cross thermometric detection system, as shown in Figure 2,3, comprises four above-mentioned scene temperature detectors, also has field control case 2 and an industrial computer 3;
Described four scene temperature detectors are arranged on the throat of body of heater 4, and every scene temperature detector has 4 thermopairs to access field control case 2 by compensating wire;
Described field control case 2 is arranged on body of heater 4 top platforms, and 4 deblocking temperature acquisition modules are installed in field control case 2, is connected with industrial computer 3 by telecommunication cable; Described field control case 2 adopt RS485 serial field bus communication mode by the temperature data uploading collecting to industrial computer 3.
The course of work of this example: detector body 1 adopts water-cooled stainless steel staircase structure to bear bending resistance function, detector body 1 metal construction top adopts fire-resistant abrasion-proof protective materials, in order to resist impact and the wearing and tearing of furnace charge, make agent structure avoid the long-term impact wear of furnace charge.
Blast furnace cross thermometric detection system converts the simulating signal of mensuration to temperature digital signal, then by transmitting module, the temperature signal of thermocouple measurement is transferred to master-control room industrial computer 3, temperature-measuring results shows in the mode of data form, bar graph and temperature distribution history, clear; Historical data also can store, and for transferring and analyze and research at any time, staff just can the very clear temperature variations of knowing in blast furnace by main control computer 3, thereby has saved man power and material.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (3)
1. a blast furnace scene temperature detector, comprises chilled water flange and the thermopair junction box of detector body and afterbody thereof, and described chilled water flange is fixed cooling water pipe; It is characterized in that: described detector body is staged composite structure; Wear-resisting heat insulation structural is installed on described detector body top, and the top of described wear-resisting heat insulation structural is level; In the staircase structure of described detector body, be connected with some thermopairs, thermopair horizontally set, described thermopair is the nickel chromium triangle-nisiloy armoured thermocouple that adopts Φ 6mm; Described thermopair is provided with protecting tube outward, and described protecting tube adopts Φ 16-20 stainless-steel tube.
2. a blast furnace cross thermometric detection system, is characterized in that: comprise four scene temperature detectors as claimed in claim 1, also have field control case and an industrial computer;
Described four scene temperature detectors are arranged on blast furnace throat, and every scene temperature detector has 4 to 8 thermopairs to access field control case by compensating wire;
Described field control case is arranged on Top of BF platform, and 3 to 4 deblocking temperature acquisition modules are installed in field control case, is connected with industrial computer by telecommunication cable.
3. blast furnace cross thermometric detection system detection system according to claim 2, is characterized in that: described field control case adopt RS485 serial field bus communication mode by the temperature data uploading collecting to industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868610.4U CN203672509U (en) | 2013-12-18 | 2013-12-18 | Field temperature detector for blast furnace and cross temperature measurement detecting system for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868610.4U CN203672509U (en) | 2013-12-18 | 2013-12-18 | Field temperature detector for blast furnace and cross temperature measurement detecting system for blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672509U true CN203672509U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868610.4U Expired - Fee Related CN203672509U (en) | 2013-12-18 | 2013-12-18 | Field temperature detector for blast furnace and cross temperature measurement detecting system for blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203672509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596660A (en) * | 2014-12-31 | 2015-05-06 | 中冶长天国际工程有限责任公司 | Rotary kiln temperature detection device and method |
| CN112525377A (en) * | 2020-11-23 | 2021-03-19 | 无锡笃行创联技术有限公司 | Blast furnace temperature monitoring system |
-
2013
- 2013-12-18 CN CN201320868610.4U patent/CN203672509U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596660A (en) * | 2014-12-31 | 2015-05-06 | 中冶长天国际工程有限责任公司 | Rotary kiln temperature detection device and method |
| CN104596660B (en) * | 2014-12-31 | 2017-12-22 | 中冶长天国际工程有限责任公司 | A kind of kiln temperature detection means and method |
| CN112525377A (en) * | 2020-11-23 | 2021-03-19 | 无锡笃行创联技术有限公司 | Blast furnace temperature monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |