CN203960294U - Bursting temperature of pellet ores metering equipment - Google Patents
Bursting temperature of pellet ores metering equipment Download PDFInfo
- Publication number
- CN203960294U CN203960294U CN201420380993.5U CN201420380993U CN203960294U CN 203960294 U CN203960294 U CN 203960294U CN 201420380993 U CN201420380993 U CN 201420380993U CN 203960294 U CN203960294 U CN 203960294U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- temperature
- pellet
- roots blower
- bursting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a kind of bursting temperature of pellet ores metering equipment, comprise the heat exchanger of rapid heating pellet intensification medium, and the roots blower for the chamber air blast to heat exchanger being connected with heat exchanger, wherein, on the air channel connecting between heat exchanger and roots blower, be also provided with under meter, roots blower is provided with the frequency transformer of the rotation speed of fan for controlling roots blower, this frequency transformer is electrically connected with the blower fan of roots blower, pellet is contained in the chamber of heat exchanger, heat exchanger is provided with the first temperature measuring equipment for measuring its chamber hot blast temperature, and for controlling the hot blast thermostat of chamber hot blast temperature of heat exchanger, the first temperature measuring equipment is electrically connected with hot blast thermostat.The bursting temperature of pellet ores metering equipment the utility model proposes, can record corresponding cracking temperature of green pellet under different wind speed and differing temps.
Description
Technical field
The utility model relates to iron ore pellets test set technical field, relates in particular to a kind of bursting temperature of pellet ores metering equipment.
Background technology
Along with modern blast furnace ironmaking is more and more tighter to fine fodder requirement, and the rise of the short flow process of smelting iron and steel, the effect of pellet in Iron And Steel Industry is more and more important.Compared with conventional sintering, the advantages such as pellet has that intensity is good, epigranular, regular shape, ferrous grade are high, Well-recovered, the effect that can play increasing And Coke-saving in blast-furnace smelting, improve ironmaking technology economic target, reduce pig iron cost and increase economic efficiency.
In the production process in iron ore pellets ore deposit, cracking temperature of green pellet is on the low side, as unreasonable in drying system, just green-ball can explosion efflorescence in drying process, can be added to the amount of powder of kiln, thereby causes roasting kiln ring formation and affect the stable of thermal regulation.In addition, if the ball splitting is many, also, by reducing the ultimate compression strength of finished ball, affect finished ball quality.
And the burst temperature of pellet is all relevant with material performance, Binder Properties, pellet forming process and drying system etc., so, at each pelletizing raw material sources of adjusting, the raw burst temperature of all will measuring of the conditions such as pellet forming process parameter, thereby determine processing parameter, to ensure into kiln pelletizing powder comparatively small amt.And the present ore deposit burst temperature determinator of not measuring correspondence under different wind speed.
Foregoing is only understood the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of bursting temperature of pellet ores metering equipment, is intended to measure the bursting temperature of pellet ores under different wind speed.
For achieving the above object, the utility model provides a kind of bursting temperature of pellet ores metering equipment, comprise the heat exchanger for rapid heating pellet intensification medium, and the roots blower for the chamber air blast to described heat exchanger being connected with described heat exchanger, wherein, on the air channel connecting between described heat exchanger and described roots blower, be also provided with under meter, described roots blower is provided with the frequency transformer of the rotation speed of fan for controlling described roots blower, this frequency transformer is electrically connected with the blower fan of described roots blower, pellet is contained in the chamber of described heat exchanger, described heat exchanger is provided with the first temperature measuring equipment for measuring its chamber hot blast temperature, and for controlling the hot blast thermostat of chamber hot blast temperature of described heat exchanger, described the first temperature measuring equipment is electrically connected with described hot blast thermostat.
Preferably, described bursting temperature of pellet ores metering equipment also comprises the heat exchanger in the chamber that is contained in described heat exchanger, and described heat exchanger is positioned at a side in the close described air channel of described pellet.
Preferably, described heat exchanger forms long cylinder cage structure by steel bar welding, and the inside heating medium of described heat exchanger is Ceramic Balls.
Preferably, described bursting temperature of pellet ores metering equipment also comprises the test glass for holding described pellet, and described test glass is contained in the chamber of described heat exchanger.
Preferably, described test glass is cage structure, and the volume of described heat exchanger is greater than the volume of described test glass.
Preferably, described heat exchanger is resistance furnace, this resistance furnace be provided with the resistance furnace thermostat for controlling temperature in its stove and be electrically connected with described resistance furnace thermostat for measuring the second temperature measuring equipment of furnace temperature.
Preferably, described the first temperature measuring equipment and the second temperature measuring equipment are K type armoured thermocouple, and described the first temperature measuring equipment is installed on the side of described resistance furnace burner hearth away from described roots blower, and described the second temperature measuring equipment is installed on the middle part of described resistance furnace burner hearth.
Preferably, described flow is counted spinner-type flowmeter.
The bursting temperature of pellet ores metering equipment the utility model proposes, by the combination of setting roots blower and frequency transformer, wind speed is regulated, heat exchanger is set to be regulated Heating temperature, thereby realize simulation under different drying systems, to record corresponding cracking temperature of green pellet under different wind speed and differing temps, and then the cracking temperature of green pellet that convenient basis records is adjusted pellet forming process parameter.Meanwhile, this bursting temperature of pellet ores metering equipment also has advantages of simple in structure, easy realization.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model bursting temperature of pellet ores metering equipment preferred embodiment.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, in description of the present utility model, term " laterally ", " longitudinally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, the device or the element that are not instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " etc. are only for describing object, and can not be interpreted as instruction or hint relative importance.
With reference to Fig. 1, Fig. 1 is the structural representation of the utility model bursting temperature of pellet ores metering equipment preferred embodiment.
In this preferred embodiment, a kind of bursting temperature of pellet ores metering equipment comprises the heat exchanger 10 for rapid heating pellet intensification medium, and the roots blower 20 for the chamber air blast to heat exchanger 10 being connected with heat exchanger 10, wherein, on the air channel connecting between heat exchanger 10 and roots blower 20, be also provided with under meter 30, roots blower 20 is provided with the frequency transformer 21 of the rotation speed of fan for controlling roots blower 20, this frequency transformer 21 is electrically connected with the blower fan (not shown) of roots blower 20, pellet is contained in the chamber of heat exchanger 10, heat exchanger 10 is provided with the first temperature measuring equipment 11 for measuring its chamber hot blast temperature, and for controlling the hot blast thermostat 12 of chamber hot blast temperature of heat exchanger 10, the first temperature measuring equipment 11 is electrically connected with hot blast thermostat 12.
In the present embodiment, the model of frequency transformer 21 is PI8000 type, and under meter 30 is spinner-type flowmeter, and frequency transformer 21, roots blower 20 and under meter 30 also can be selected other model certainly, and the utility model is not construed as limiting this.This bursting temperature of pellet ores metering equipment wind speed regulation range is 0m/s～3.5m/s.Spinner-type flowmeter model is LZB-40, and useful range is 4m3/h-40m3/h.Further, this bursting temperature of pellet ores metering equipment also comprises the test glass 40 for holding pellet, and test glass 40 is contained in the chamber of heat exchanger 10.Thereby by test glass 40 is set, pellet can be stably positioned in the chamber of heat exchanger 10 in the present embodiment.
The principle of work of this bursting temperature of pellet ores metering equipment is as follows: first open heat exchanger 10 and heat up, by the time the chamber of heat exchanger 10 reaches after default test temperature, in test glass 40, put into 50 green-balls, open roots blower 20 and carry out air blast, adjust frequency transformer 21 simultaneously, to reach the needed wind speed of test, test glass 40 to be put into heat exchanger 10 and be dried, be 5 minutes time of drying.After time arrives.Close down blower fan, take out test glass 40, check the explosion situation of green-ball, if green pellet cracking quantity is less than 2, need to raise hot blast wind-warm syndrome or increase wind speed remeasure again, if green pellet cracking quantity is greater than 2, need to reduce hot blast wind-warm syndrome or reduce wind speed remeasuring again, until explosion quantity is 2.Each measurement all needs to get new green-ball and measures.The temperature that when cracking temperature of green pellet is green pellet cracking, the first temperature measuring equipment 11 records.
The bursting temperature of pellet ores metering equipment that the present embodiment proposes, by the combination of setting roots blower 20 and frequency transformer 21, wind speed is regulated, under meter 30 measuring wind, heat exchanger 10 is set to be regulated Heating temperature, thereby realize simulation under different drying systems, to record corresponding cracking temperature of green pellet under different wind speed and differing temps, and then the cracking temperature of green pellet that convenient basis records is adjusted pellet forming process parameter.Meanwhile, this bursting temperature of pellet ores metering equipment also has advantages of simple in structure, easy realization.
Further, in the present embodiment, bursting temperature of pellet ores metering equipment also comprises the heat exchanger 50 in the chamber that is contained in heat exchanger 10, and heat exchanger 50 is positioned at a side in the close air channel of pellet.
The temperature of hot blast can be greatly improved by setting heat exchanger 50, thereby the heating power of heating installation can be reduced.Particularly, in the present embodiment, heat exchanger 50 is ceramic heat exchanger 50, and heat exchanger 50 forms long cylinder cage structure by steel bar welding, and the inside heating medium of heat exchanger 50 is Ceramic Balls.Hot blast temperature after heat exchanger 50 exchanges improves greatly, then blows to pellet.In the present embodiment, the diameter of Ceramic Balls is 18～20mm.
Further, test glass 40 is cage structure, and the volume of heat exchanger 50 is greater than the volume of test glass 40, now can make pellet comprehensively be heated.In the present embodiment, test glass 40 and heat exchanger 50 are cylinder-like structure, the diameter 70mm of test glass 40, and length is 100mm, and the diameter of heat exchanger 50 is 70mm, and length is 350mm.
Particularly, in the present embodiment, heat exchanger 10 is resistance furnace, this resistance furnace be provided with the resistance furnace thermostat 13 for controlling temperature in its stove and be electrically connected with resistance furnace thermostat 13 for measuring the second temperature measuring equipment 14 of furnace temperature.Particularly, the first temperature measuring equipment 11 and the second temperature measuring equipment 14 are K type armoured thermocouple, and the first temperature measuring equipment 11 is installed on the side of resistance furnace burner hearth away from roots blower 20, and the second temperature measuring equipment 14 is installed on the middle part of resistance furnace burner hearth.The range of the first temperature measuring equipment 11 and the second temperature measuring equipment 14 is 0～1100 DEG C.More specifically, in the present embodiment, resistance furnace adopts horizontal electric resistance furnace, and model is SCQ-50.
The second temperature measuring equipment 14 is for measuring furnace temperature; and the first temperature measuring equipment 11 is measured the temperature of hot blast; the furnace temperature that resistance furnace thermostat 13 Real-time Obtaining the second temperature measuring equipments 14 record; when furnace temperature is when setting maximum heating temperature value; resistance furnace thermostat 13 is forced resistance furnace shutdown, thus protective resistance stove.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification sheets and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a bursting temperature of pellet ores metering equipment, it is characterized in that, comprise the heat exchanger for rapid heating pellet intensification medium, and the roots blower for the chamber air blast to described heat exchanger being connected with described heat exchanger, wherein, on the air channel connecting between described heat exchanger and described roots blower, be also provided with under meter, described roots blower is provided with the frequency transformer of the rotation speed of fan for controlling described roots blower, this frequency transformer is electrically connected with the blower fan of described roots blower, pellet is contained in the chamber of described heat exchanger, described heat exchanger is provided with the first temperature measuring equipment for measuring its chamber hot blast temperature, and for controlling the hot blast thermostat of chamber hot blast temperature of described heat exchanger, described the first temperature measuring equipment is electrically connected with described hot blast thermostat.
2. bursting temperature of pellet ores metering equipment as claimed in claim 1, is characterized in that, also comprises the heat exchanger in the chamber that is contained in described heat exchanger, and described heat exchanger is positioned at a side in the close described air channel of described pellet.
3. bursting temperature of pellet ores metering equipment as claimed in claim 2, is characterized in that, described heat exchanger forms long cylinder cage structure by steel bar welding, and the inside heating medium of described heat exchanger is Ceramic Balls.
4. bursting temperature of pellet ores metering equipment as claimed in claim 3, is characterized in that, also comprises the test glass for holding described pellet, and described test glass is contained in the chamber of described heat exchanger.
5. bursting temperature of pellet ores metering equipment as claimed in claim 4, is characterized in that, described test glass is cage structure, and the volume of described heat exchanger is greater than the volume of described test glass.
6. bursting temperature of pellet ores metering equipment as claimed in claim 1, it is characterized in that, described heat exchanger is resistance furnace, this resistance furnace be provided with the resistance furnace thermostat for controlling temperature in its stove and be electrically connected with described resistance furnace thermostat for measuring the second temperature measuring equipment of furnace temperature.
7. bursting temperature of pellet ores metering equipment as claimed in claim 6, it is characterized in that, described the first temperature measuring equipment and the second temperature measuring equipment are K type armoured thermocouple, described the first temperature measuring equipment is installed on the side of described resistance furnace burner hearth away from described roots blower, and described the second temperature measuring equipment is installed on the middle part of described resistance furnace burner hearth.
8. bursting temperature of pellet ores metering equipment as claimed in any of claims 1 to 7 in one of claims, is characterized in that, described flow is counted spinner-type flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380993.5U CN203960294U (en) | 2014-07-09 | 2014-07-09 | Bursting temperature of pellet ores metering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380993.5U CN203960294U (en) | 2014-07-09 | 2014-07-09 | Bursting temperature of pellet ores metering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203960294U true CN203960294U (en) | 2014-11-26 |
Family
ID=51920903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420380993.5U Expired - Fee Related CN203960294U (en) | 2014-07-09 | 2014-07-09 | Bursting temperature of pellet ores metering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203960294U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458795A (en) * | 2014-12-01 | 2015-03-25 | 武钢集团昆明钢铁股份有限公司 | Method for rapidly and accurately measuring cracking temperature of green pellets |
| CN106053516A (en) * | 2016-08-02 | 2016-10-26 | 中国地质大学（北京） | Thermo-acoustic temperature measurement device for mineral inclusion |
| CN107557566A (en) * | 2016-06-30 | 2018-01-09 | 鞍钢股份有限公司 | A kind of pelletizing dynamic roasting stove and its application method |
-
2014
- 2014-07-09 CN CN201420380993.5U patent/CN203960294U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458795A (en) * | 2014-12-01 | 2015-03-25 | 武钢集团昆明钢铁股份有限公司 | Method for rapidly and accurately measuring cracking temperature of green pellets |
| CN107557566A (en) * | 2016-06-30 | 2018-01-09 | 鞍钢股份有限公司 | A kind of pelletizing dynamic roasting stove and its application method |
| CN106053516A (en) * | 2016-08-02 | 2016-10-26 | 中国地质大学（北京） | Thermo-acoustic temperature measurement device for mineral inclusion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105423748B (en) | A kind of warm area is mutually wrong to arrange double-layer roller hearth furnace | |
| CN203960294U (en) | Bursting temperature of pellet ores metering equipment | |
| CN203432300U (en) | Hot air circulation device of tunnel kiln | |
| CN203069535U (en) | Pellet decrepitation temperature measurement device | |
| CN102901347A (en) | Multipurpose microwave high-temperature pushed slab kiln | |
| CN103411989A (en) | Analytical method for fly ash in blast furnace | |
| CN204356365U (en) | A kind of strong convection Full Hydrogen Bell Type Annealing Furnace | |
| CN205826571U (en) | A kind of rapid measurement device of high magnetic steel temperature diffusivity | |
| CN104131155A (en) | Pellet preheating drying simulator | |
| CN207850859U (en) | A kind of device of detection iron-containing charge integral high temperature metallurgical performance | |
| CN202792964U (en) | Small-sized external heating type sintering interruption experiment furnace | |
| CN204325475U (en) | A kind of horizontal multi-purpose ion nitriding furnace | |
| CN211316945U (en) | Full-automatic intelligent bell jar stove | |
| CN208059594U (en) | A kind of petroleum coke calciners that calcination efficiency is high | |
| CN209664282U (en) | A kind of baking guide device applied to ladle and brick cup | |
| CN206952164U (en) | A kind of powder metallurgy sintering furnace | |
| CN207850059U (en) | A kind of novel cooling characteristics tester heating furnace chamber structure | |
| CN202928339U (en) | Multi-purpose microwave high-temperature pushed slab kiln | |
| CN203258975U (en) | Novel automatic ammonium acid phosphate drying temperature control device | |
| CN206593471U (en) | Burning machine with charge level pelletizing temperature-detecting device | |
| CN206257957U (en) | A kind of rotary hearth furnace | |
| CN206879124U (en) | A kind of injection machine Drying heating tube | |
| CN205373382U (en) | Novel stoving annealing equipment structure | |
| CN217505714U (en) | Pellet burst temperature rapid measuring device | |
| CN202393198U (en) | Positive temperature coefficient (PTC) firing kiln |
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: 20141126 Termination date: 20150709 |
|
| EXPY | Termination of patent right or utility model |