CN210427415U - Combined type constant-temperature sintering cup test system - Google Patents
Combined type constant-temperature sintering cup test system Download PDFInfo
- Publication number
- CN210427415U CN210427415U CN201921143349.5U CN201921143349U CN210427415U CN 210427415 U CN210427415 U CN 210427415U CN 201921143349 U CN201921143349 U CN 201921143349U CN 210427415 U CN210427415 U CN 210427415U
- Authority
- CN
- China
- Prior art keywords
- sintering
- cup
- sintering cup
- constant temperature
- test system
- 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.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a group's formula of establishing ties constant temperature sintering cup test system, including the sintering cup, set up some firearm in the top of sintering cup, set up the pipe of discharging fume in the bottom of sintering cup, the sintering cup is provided with the several side by side, sets up through air supply pipe series connection gas pipeline for the sintering between the some firearm of each sintering cup top, sets up through exhaust column series connection sintering owner exhaust flue between the pipe of discharging fume of each sintering cup bottom. The utility model simplifies the air draft system needed by the traditional sintering cup, the plurality of sintering cups are arranged in parallel, so that a single sintering test can be carried out, a plurality of sintering test contrast tests can be carried out, the problem that the contrast test is influenced by external factors is solved, and one person can control the plurality of sintering cups; the unified and stable air draft system and the constant temperature mechanism arranged in the sintering cup ensure that the temperature distribution in the sintering cup is uniform, and the problem that the test result is deviated due to different thermal states of the cup body of the sintering cup caused by serious edge effect is solved.
Description
Technical Field
The utility model belongs to the technical field of sintering experimental facilities, especially, relate to a simple structure, easy operation, even group's antithetical couplet formula constant temperature sintering cup test system of temperature distribution.
Background
In the world, most of blast furnace continuous ironmaking uses sinter as a charging material, but the improvement of the quality of the sinter and the improvement of the output of a sintering machine are all obtained on the basis of a sintering cup test. Through a sintering cup test, the research on the consolidation mechanism and the mathematical model of the sintering ore can be carried out, the process is improved, the yield and the quality of the sintering ore are improved, and the research on new raw materials and a new process can also be carried out through the sintering cup test. The sintering cup test has better simulation performance on production and can provide reliable basis for design departments.
Most of the existing sintering cup test systems in the world are independent sintering cup test systems, and the system has the following problems in the construction process:
1) the free standing sinter pot test system comprises: the mixing machine, the igniter, the distributing device, the sintering cup, the automatic falling device, the air draft system, the sintering platform and other equipment need an independent power device and an independent test plant building, and therefore the early-stage construction cost is high and the equipment maintenance cost is high;
2) the ignition fuel of the independent sintering cup test system needs bottled combustible gas, so that the test cost is high, and the defects of insufficient ignition strength and the like exist; the independent sintering cup test system needs special test personnel to operate, and independent personnel and equipment are needed for detecting the physical and chemical indexes of the sintering ore;
3) when a scheme comparison test of multiple raw materials and multiple ore types is carried out, the sintering test has the defects that the edge heat loss is large in the sintering process, the edge temperature difference effect is serious, the edge material temperature is low, the quality of sintered ore at the edge of a sintering cup is poor, and finally the test result is deviated due to different heat states of an air suction system and a cup body of the sintering cup.
Therefore, the key for solving the problems is to develop a novel sintering device which has a simple structure, is easy to operate and eliminates the large temperature difference at the edge of the sintering cup.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, easy operation, the even group's antithetical couplet formula constant temperature sintering cup test system of temperature distribution.
The utility model discloses a following technical scheme realizes: the sintering device comprises sintering cups, igniters arranged above the sintering cups, and smoke exhaust pipes arranged at the bottoms of the sintering cups, wherein the sintering cups are arranged in parallel, the igniters arranged above the sintering cups are connected in series with a gas pipeline for sintering through gas supply pipes, and the smoke exhaust pipes arranged at the bottoms of the sintering cups are connected in series with a main air draft flue of the sintering machine through air exhaust pipes; wherein, a gas regulating valve is arranged between each igniter and the gas supply pipe, an air draft regulating valve is arranged between each smoke exhaust pipe and the air draft pipe, and a constant temperature mechanism is arranged on the cup wall of each sintering cup.
The utility model has the advantages that:
1. the utility model simplifies the air draft system required by the traditional sintering cup, the plurality of sintering cups are arranged in parallel, so that a single sintering test can be carried out, a plurality of sintering test contrast tests can be carried out, the problem that the contrast test is influenced by external factors is solved, and one person can control the plurality of sintering cups, thereby reducing the number of testing personnel, optimizing the labor post and reducing the labor intensity and the personnel cost;
2. the coal gas for sintering is uniformly used as ignition fuel, independent fuel gas is not required to be arranged, fuel gas is saved, the ignition intensity is high, and the control is facilitated; an independent test factory building is not required to be established, and the construction and equipment maintenance cost is greatly reduced;
3. the unified and stable air draft system and the constant temperature mechanism arranged in the sintering cup ensure that the temperature distribution of the sintering cup is uniform, and the problem that test results are deviated due to different thermal states of the cup body of the sintering cup caused by serious edge effect is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the sintering cup of the present invention;
FIG. 3 is a schematic diagram of the position structure of the middle constant temperature mechanism and the sintering cup of the present invention;
reference numbers in the figures: 1~ sintering cup, 2~ some firearm, 3~ air supply pipe, 4~ gas governing valve, 5~ gas pipeline for the sintering, 6~ exhaust pipe, 7~ exhaust column, 8~ sintering owner exhaust flue, 9~ exhaust governing valve, 10~ heat preservation guard shield, 11~ electric heating alloy silk, 12~ extraction electrode, 13~ gas master control valve, 14~ air exhaust master control valve.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.
The combined type constant-temperature sintering cup test system shown in the figures 1-3 comprises sintering cups 1, igniters 2 arranged above the sintering cups 1, and smoke exhaust pipes 6 arranged at the bottoms of the sintering cups 1, wherein the sintering cups 1 are arranged in parallel, the igniters 2 arranged above the sintering cups 1 are connected in series with a sintering gas pipeline 5 through gas supply pipes 3, and the smoke exhaust pipes 6 arranged at the bottoms of the sintering cups 1 are connected in series with a sintering machine main air draft flue 8 through air draft pipes 7; wherein, a gas regulating valve 4 is arranged between each igniter 2 and the gas supply pipe 3, an air draft regulating valve 9 is arranged between each smoke exhaust pipe 6 and the air draft pipe 7, and a constant temperature mechanism is arranged on the cup wall of each sintering cup 1.
The constant temperature mechanism comprises a heat preservation shield 10 and an electric heating alloy wire 11, the heat preservation shield 10 is coaxially arranged in the sintering cup 1, the electric heating alloy wire 11 is embedded on the inner wall of the heat preservation shield 10, two ends of the electric heating alloy wire 11 are bent into a U shape or a C shape to form an upper electrode and a lower electrode, the upper electrode and the lower electrode are embedded in two ends of the heat preservation shield 10, and the upper electrode and the lower electrode are respectively welded with a leading-out electrode 12.
The electrothermal alloy wire 11 is wound into a spiral shape; the heat-insulating shield 10 is made of compact and uniform high-temperature-resistant heat-insulating fiber materials.
At least three groups of fixing clamps are arranged on the inner wall of the heat-insulating shield 10 along the axial circumference, and the electric heating alloy wires 11 are fixed in the fixing clamps.
The upper electrode and the lower electrode are arranged in a staggered symmetrical or asymmetrical mode.
And a gas master control valve 13 is arranged between the gas supply pipe 3 and the sintering gas pipeline 5.
And an air draft master control valve 14 is arranged between the air draft pipe 7 and the main air draft flue 8 of the sintering machine.
The utility model discloses a working method: when in work, mineral aggregate for sintering test is filled in the sintering cup 1; when a single sintering cup 1 is used for a sintering experiment, the air draft master control valve 14 is adjusted to the negative pressure required by the experiment, the air draft adjusting valve 9 and the gas adjusting valve 4 corresponding to the used sintering cup 1 are opened, the igniter 2, the gas adjusting valve 4 and the air draft adjusting valve 9 on the rest sintering cups 1 which are not filled with materials are closed in the whole process and are not started, then the igniter 2 on the sintering cup 1 used for the sintering experiment is started to ignite, and mineral materials used for the sintering experiment are combusted for the sintering experiment;
when a contrast test is needed, distributing materials for a plurality of sintering cups 1 according to a normal program, adjusting an air draft master control valve 14 to the negative pressure required by the test, opening an air draft adjusting valve 9 and a fuel gas adjusting valve 4 corresponding to each sintering cup 1, starting an igniter 2 on each sintering cup 1 for sintering test to ignite, burning mineral aggregate for sintering test to perform sintering test, and starting the test;
and after the test is finished, directly sending the sintered ore sample to a sintering inspection chamber for related physicochemical inspection.
In the sintering process, after the leading-out electrode 12 is electrified, the upper electrode and the lower electrode of the U-shaped or C-shaped structure generate heat, the heat conduction sectional area is reduced, the heat conduction length is increased, the heat led out by the electrodes is reduced, when the heat productivity is equal to the heat conduction quantity, the electrodes are in a balanced state, the problem of heat extraction does not occur, meanwhile, the electric heating alloy wire 11 generates heat to heat mineral materials for sintering tests in contact with the electric heating alloy wire, the temperature uniformity of a radial temperature field in the sintering cup 1 is greatly improved, the edge temperature difference effect in the sintering cup 1 is eliminated, and the technical defect that the test result of the sintering cup 1 is deviated due to different cup body heat states is avoided.
Claims (7)
1. The utility model provides a group's connection formula constant temperature sintering cup test system, includes sintering cup (1), sets up some firearm (2) in the top of sintering cup (1), sets up tub (6) of discharging fume in the bottom of sintering cup (1), its characterized in that: the sintering cups (1) are arranged in parallel, a plurality of sintering gas pipelines (5) are connected in series between the igniters (2) arranged above the sintering cups (1) through gas supply pipes (3), and main exhaust flues (8) of the sintering machine are connected in series between the exhaust pipes (6) arranged at the bottoms of the sintering cups (1) through exhaust pipes (7); wherein, a gas regulating valve (4) is arranged between each igniter (2) and the gas supply pipe (3), an air draft regulating valve (9) is arranged between each smoke exhaust pipe (6) and the air draft pipe (7), and a constant temperature mechanism is arranged on the cup wall of each sintering cup (1).
2. The series-connected constant temperature sintering cup test system according to claim 1, wherein: the constant temperature mechanism comprises a heat preservation shield (10) and an electric heating alloy wire (11), wherein the heat preservation shield (10) is coaxially arranged in the sintering cup (1), the electric heating alloy wire (11) is embedded on the inner wall of the heat preservation shield (10), two ends of the electric heating alloy wire (11) are bent into a U shape or a C shape to form an upper electrode and a lower electrode, the upper electrode and the lower electrode are embedded in two ends of the heat preservation shield (10), and the upper electrode and the lower electrode are respectively welded with a leading-out electrode (12).
3. The series-connected constant temperature sintering cup test system according to claim 2, wherein: the electrothermal alloy wire (11) is wound into a spiral shape; the heat-insulating shield (10) is made of compact and uniform high-temperature-resistant heat-insulating fiber materials.
4. The series-connected constant temperature sintering cup test system according to claim 2, wherein: at least three groups of fixing clamps are arranged on the inner wall of the heat-insulating protective cover (10) along the axial circumference, and the electric heating alloy wires (11) are fixed in the fixing clamps.
5. The series-connected constant temperature sintering cup test system according to claim 2, wherein: the upper electrode and the lower electrode are arranged in a staggered symmetrical or asymmetrical mode.
6. The series-connected constant temperature sintering cup test system according to claim 1, wherein: and a gas master control valve (13) is arranged between the gas supply pipe (3) and the sintering gas pipeline (5).
7. The series-connected constant temperature sintering cup test system according to claim 1, wherein: an air draft master control valve (14) is arranged between the air draft pipe (7) and the main air draft flue (8) of the sintering machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143349.5U CN210427415U (en) | 2019-07-20 | 2019-07-20 | Combined type constant-temperature sintering cup test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143349.5U CN210427415U (en) | 2019-07-20 | 2019-07-20 | Combined type constant-temperature sintering cup test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427415U true CN210427415U (en) | 2020-04-28 |
Family
ID=70381785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921143349.5U Active CN210427415U (en) | 2019-07-20 | 2019-07-20 | Combined type constant-temperature sintering cup test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210427415U (en) |
-
2019
- 2019-07-20 CN CN201921143349.5U patent/CN210427415U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106247353B (en) | A kind of blast furnace gas diffusing ignition system | |
| CN104946271B (en) | Built-in chimney flue heat recovery coke oven system and its technique | |
| CN102952913A (en) | Dual-preheating method and device for preheating blast furnace gas by using heat-storage-type preheating furnace | |
| CN203909007U (en) | Test device for underground coal gasification mechanism | |
| CN101353579B (en) | 7.63m coke oven negative pressure in-furnace furnace drying method | |
| CN102072651B (en) | Heat accumulating type heating furnace totally using blast furnace gas as fuel | |
| CN210427415U (en) | Combined type constant-temperature sintering cup test system | |
| CN204127954U (en) | Gas ignition jet pipe and mineral hot furnace | |
| CN201892416U (en) | Gas smelting furnace | |
| CN206281664U (en) | A kind of multitubular bundles integrated form radiant tube combustion experimental system | |
| CN108181121B (en) | Internal heating type low-temperature dry distillation thermal state simulation detection device and method | |
| CN103743243B (en) | Method for raising temperature of nickel flash furnace | |
| CN205448335U (en) | Biomass boiler with combustion efficiency detection device | |
| CN104110679A (en) | Fuel gas ignition jet tube and submerged arc furnace utilizing same | |
| CN209026853U (en) | A kind of clipping solid fuel igniter | |
| CN103667623B (en) | The heated by gas device of converter shell and integrally annealed method | |
| CN203382667U (en) | Broad-spectrum lime annular kiln | |
| CN110530929A (en) | Blast furnace injection rate of pulverized coal combustion detection device | |
| CN2571997Y (en) | Hole top heating furnace | |
| CN109900118A (en) | A kind of burner experimental furnace | |
| CN206280957U (en) | A kind of New Regenerative radiant tube combustion device | |
| CN213032913U (en) | Heating system of coating curing drying tunnel | |
| CN105509034B (en) | A kind of modifying coal-fired boiler | |
| CN204824712U (en) | Built -in flue heat recovery coke oven system | |
| CN205808116U (en) | A kind of miniature workpiece heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |