CN215066338U - Sintering ore FeO content online detection device convenient for cleaning blockage - Google Patents
Sintering ore FeO content online detection device convenient for cleaning blockage Download PDFInfo
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- CN215066338U CN215066338U CN202121228090.1U CN202121228090U CN215066338U CN 215066338 U CN215066338 U CN 215066338U CN 202121228090 U CN202121228090 U CN 202121228090U CN 215066338 U CN215066338 U CN 215066338U
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Abstract
The utility model belongs to the technical field of the on-line measuring, especially, relate to a sinter FeO content on-line measuring device convenient to clearance putty, its characterized in that includes electrical system, feeding batching scale sets up and walks material chute to one side below feeding batching scale blanking point, cup joints magnetic induction coil and the skeleton of walking material chute to one side lower part outer wall here, sets up at the material level instrumentation who walks material chute to one side top, sets up and is walking material flow instrumentation of material chute to one side below. The utility model can automatically judge the material blocking state and stop feeding at the same time, thereby avoiding the occurrence of material piling; the feeding chute, the magnetic induction coil and the framework thereof are lubricated and installed by adopting a sleeve structure, so that the feeding chute is convenient to draw away from and install back into the magnetic induction coil and the framework thereof, and the labor intensity of maintenance personnel is reduced; the abrasion of the magnetic induction coil and the framework is avoided, the service life of the device is prolonged, and meanwhile, the maintenance amount and the use and operation cost of the measuring device are reduced.
Description
Technical Field
The utility model belongs to the technical field of the on-line measuring, especially, relate to a sinter FeO content on-line measuring device convenient to clearance putty.
Background
In the production of steel, the finished product of sintering production is called sinter, which is the main blast furnace ironmaking raw material. Among them, the FeO (ferrous oxide) content of the sinter is one of the quality indexes which are very important for iron making and sintering, and ironmaking workers also use the FeO content of the sinter as an important mark for evaluating the quality of the sinter, especially the strength and the reduction performance of the sinter. Under certain conditions, the FeO content in the sinter is closely related to the strength thereof, and the FeO content in the sinter also has great influence on the indirect reduction at the upper part and the middle part of the blast furnace. More importantly, the method is beneficial to reducing the blast furnace smelting coke ratio, and according to the experience, the blast furnace coke ratio can be reduced by about 1.5 percent when the FeO content of the sinter is reduced by 1 percent. The carbon blending amount in the sintering process is in positive correlation with the FeO content of the sintering ore, and the FeO content can be controlled to be stable by adjusting the carbon blending amount. Therefore, the method has important significance for real-time and accurate measurement of the FeO content of the sinter and guidance of sintering production.
At present, the online detection device for the content of FeO mostly adopts a magnetic induction principle, namely when sinter passes through a magnetic induction coil, magnetic lines of force are cut to generate induced current, the induced current is converted into a magnetic index through calculation, the magnetic index has a functional relation with the content of FeO in the sinter, and then real-time data of the content of FeO can be obtained. However, the diameter of the magnetic induction coil cannot be too large due to the measurement principle, and massive materials are inevitably present in the sintered ore, so that the largest problem encountered in the practical use process is material blockage. As a result, the measuring device is difficult to maintain, the service life of the magnetic induction coil and the framework is greatly reduced due to abrasion, and the use effect of the whole device is finally influenced.
Disclosure of Invention
The utility model aims at providing a sintering deposit FeO content on-line measuring device convenient to clearance putty, the device can in time report to the police when the putty takes place in the course of the work, stops the feeding to the maintainer of being convenient for clears up the putty.
The purpose of the utility model is realized by the following technical scheme:
the utility model discloses an online detection device for FeO content in sinter convenient for cleaning blockage, which is characterized by comprising an electric control system, a feeding batching scale, a feeding inclined chute arranged below the blanking point of the feeding batching scale, a magnetic induction coil and a framework thereof sleeved on the outer wall of the lower part of the feeding inclined chute, a material level detection instrument arranged above the feeding inclined chute, a material flow detection instrument arranged below the feeding inclined chute,
the upper part of the material feeding inclined chute is an inverted circular table cylinder, the lower part of the material feeding inclined chute is a cylindrical cylinder, the material feeding inclined chute comprises a first chute and a second chute correspondingly buckled with the first chute, and the first chute and the second chute vertically divide the material feeding inclined chute into equal parts.
The magnetic induction coil and the framework thereof are installed on the outer wall of the cylindrical barrel at the lower part of the material feeding inclined chute in a lubricating way by a sleeve structure.
The electrical system with feeding batch weigher, magnetic induction coil, material level detecting instrument, material flow detecting instrument electrical property link to each other.
The utility model has the advantages that:
(1) the sintering ore FeO content online detection device convenient for cleaning the blocking automatically judges the blocking state, and simultaneously stops feeding to avoid the occurrence of material piling;
(2) the sintering ore FeO content online detection device convenient for cleaning the blocking material of the utility model adopts the sleeve structure for lubricating and installing the material feeding chute, the magnetic induction coil and the framework thereof, so that the material feeding chute can be conveniently drawn out and installed back from the magnetic induction coil and the framework thereof, and the material feeding chute adopts the detachable split structure, so that the blocked material can be conveniently removed, and the labor intensity of maintenance personnel is reduced;
(3) the utility model discloses a sintering deposit FeO content on-line measuring device convenient to clearance putty has avoided the wearing and tearing of magnetic induction coil and skeleton, improve equipment's life, has reduced measuring device's maintenance volume and use running cost simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the chute of the utility model.
Fig. 3 is a flow chart of the electric control system of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in figures 1, 2 and 3, the sintering ore FeO content online detection device convenient for cleaning the blocking material of the utility model is characterized in that the device comprises an electric control system 4, a feeding batching scale 1, a feeding inclined chute 2 arranged below the blanking point of the feeding batching scale 1, a magnetic induction coil 3 and a framework thereof sleeved on the outer wall of the lower part of the feeding inclined chute 2, a material level detection instrument 5 arranged above the feeding inclined chute 2, a material flow detection instrument 6 arranged below the feeding inclined chute 2,
the upper part of the material feeding inclined chute 2 is an inverted circular table cylinder, the lower part of the material feeding inclined chute 2 is a cylindrical cylinder, the material feeding inclined chute comprises a first chute 2-1 and a second chute 2-2 correspondingly buckled with the first chute 2-1, and the first chute 2-1 and the second chute 2-2 vertically divide the material feeding inclined chute 2 into equal parts.
And the magnetic induction coil 3 and the framework thereof are arranged on the outer wall of the cylindrical barrel at the lower part of the material feeding inclined chute 2 in a lubricating way by a sleeve structure.
Electrical system 4 with feeding batch weigher 1, magnetic induction coil 3, material level detecting instrument 5, material flow detecting instrument 6 electrical property link to each other.
A detection method of an online detection device for the FeO content of sinter convenient for cleaning blockage comprises the following steps:
(1) when the electric control system 4 receives a material signal of the material level detecting instrument 5 and a material flow signal of the material flow detecting instrument 6 at the same time, the system judges that the device is in a material blocking state at the moment;
(2) when the electronic control system 4 judges that the device is in a material blocking state, the system reduces the running speed of the feeding proportioning scale 1 until the feeding of the sinter is stopped; after the feeding of the sinter is stopped, the system stops calculating the FeO content of the sinter and sends out a material blocking alarm;
(3) when the electric control system 4 judges that the device is not in a material blocking state and the electric control system 4 receives a material-free signal of the material level detection instrument 5, the system controls the running speed of the feeding proportioning scale 1 to ensure that the sinter is quantitatively and uniformly fed;
(4) when the electric control system 4 judges that the device is not in a material blocking state and the electric control system 4 receives a material signal from the material level detection instrument 5, the system reduces the running speed of the feeding proportioning scale 1 until the feeding of the sinter ore is stopped; after the feeding of the sintering ore is stopped, the system returns to the previous step again for judgment after time delay treatment;
(5) when the electronic control system 4 judges that the device is not in the material blocking state, the system calculates the FeO content of the sinter in real time through the magnetic induction coil 3 and outputs a result.
As shown in figures 1 and 2, the utility model discloses a sintering deposit FeO content on-line measuring device convenient to clearance putty, including feeding burden balance 1, walk material chute 2, magnetic induction coil 3 and skeleton and electrical system 4. The feeding and proportioning scale 1 can control the sinter feeding amount of the feeding chute 2 by adjusting the running speed; the feeding chute 2 is positioned below a blanking point of the feeding batching scale 1, the upper part of the feeding chute 2 is an inverted circular table cylinder, the lower part of the feeding chute is connected with a cylinder in a forward mode, and further the feeding chute comprises a first chute 2-1 and a second chute 2-2 which is correspondingly buckled with the first chute 2-1, and the first chute 2-1 and the second chute 2-2 vertically divide the feeding chute 2 into equal parts; the magnetic induction coil 3 and the framework thereof are lubricated and arranged on the outer wall of the cylindrical barrel at the lower part of the feeding chute 2 in a sleeve structure; a material level detecting instrument 5 is arranged above the feeding chute 2; a material flow detection instrument 6 is arranged below the material feeding chute 2; the electrical system 4 links to each other with feeding batch weigher 1, magnetic induction coil 3, material level detecting instrument 5, 6 electrical properties of material flow detecting instrument.
As shown in fig. 3, the detection method is as follows:
when the electric control system 4 receives a material signal of the material level detecting instrument 5 and a material flow signal of the material flow detecting instrument 6 at the same time, the system judges that the device is in a material blocking state at the moment; when the electronic control system 4 judges that the device is in a material blocking state, the system reduces the running speed of the feeding proportioning scale 1 until the feeding of the sinter is stopped; and after the feeding of the sinter is stopped, the system stops calculating the FeO content of the sinter and sends out a material blocking alarm.
When the electric control system 4 judges that the device is not in a material blocking state and the electric control system 4 receives a material-free signal of the material level detection instrument 5, the system controls the running speed of the feeding proportioning scale 1 to ensure that the sinter is quantitatively and uniformly fed; when the electric control system 4 judges that the device is not in a material blocking state and the electric control system 4 receives a material signal from the material level detection instrument 5, the system reduces the running speed of the feeding proportioning scale 1 until the feeding of the sinter ore is stopped; after the feeding of the sintering ore is stopped, the system returns to the previous step again for judgment after time delay treatment; when the electronic control system 4 judges that the device is not in the material blocking state, the system calculates the FeO content of the sinter in real time through the magnetic induction coil 3 and outputs a result.
The sintering ore FeO content online detection device convenient for cleaning the blocking automatically judges the blocking state, and simultaneously stops feeding to avoid the occurrence of material piling; the feeding chute 2, the magnetic induction coil 3 and the framework thereof are installed in a lubricating way by adopting a sleeve structure, so that the feeding chute 2 can be conveniently drawn out of and installed back in the magnetic induction coil 3 and the framework thereof, and the feeding chute 2 adopts a detachable split structure, so that the blocked materials can be conveniently removed, and the labor intensity of maintenance personnel is reduced; the utility model discloses a sintering deposit FeO content on-line measuring device and method convenient to clearance putty has avoided the wearing and tearing of magnetic induction coil 3 and skeleton, improve equipment's life has reduced measuring device's maintenance volume and use running cost simultaneously.
Claims (3)
1. An online detection device for FeO content in sinter convenient for cleaning blockage is characterized by comprising an electric control system, a feeding batching scale, a feeding inclined chute arranged below a blanking point of the feeding batching scale, a magnetic induction coil and a framework thereof sleeved on the outer wall of the lower part of the feeding inclined chute, a material level detection instrument arranged above the feeding inclined chute, a material flow detection instrument arranged below the feeding inclined chute,
the upper part of the material feeding inclined chute is an inverted circular table cylinder, the lower part of the material feeding inclined chute is a cylindrical cylinder, the material feeding inclined chute comprises a first chute and a second chute correspondingly buckled with the first chute, and the first chute and the second chute vertically divide the material feeding inclined chute into equal parts.
2. The online detection device for the FeO content in the sinter convenient for cleaning the blockage according to claim 1, which is characterized in that the magnetic induction coil and the framework thereof are lubricated and installed on the outer wall of the cylindrical barrel at the lower part of the chute by a sleeve structure.
3. The online detection device for the FeO content in the sinter convenient for cleaning up the blockage according to claim 1, wherein the electric control system is electrically connected with the feeding and proportioning scale, the magnetic induction coil, the material level detection instrument and the material flow detection instrument.
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| CN202121228090.1U CN215066338U (en) | 2021-06-03 | 2021-06-03 | Sintering ore FeO content online detection device convenient for cleaning blockage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113252770A (en) * | 2021-06-03 | 2021-08-13 | 中冶北方（大连）工程技术有限公司 | Sintering ore FeO content online detection device and method convenient for cleaning blockage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113252770A (en) * | 2021-06-03 | 2021-08-13 | 中冶北方（大连）工程技术有限公司 | Sintering ore FeO content online detection device and method convenient for cleaning blockage |
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