CN217466584U - Drum mixes quick-witted pelletization effect on-line measuring device - Google Patents
Drum mixes quick-witted pelletization effect on-line measuring device Download PDFInfo
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- CN217466584U CN217466584U CN202220418154.2U CN202220418154U CN217466584U CN 217466584 U CN217466584 U CN 217466584U CN 202220418154 U CN202220418154 U CN 202220418154U CN 217466584 U CN217466584 U CN 217466584U
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Abstract
The utility model discloses a drum mixes quick-witted pelletization effect on-line measuring device. The device comprises a cylinder mixer, wherein a feeding belt is arranged at a feeding port of the cylinder mixer, and a weighing detection sensor and a belt speed detection sensor are arranged on the feeding belt; arranging an adjustable-inclination type multi-stage screening device at a discharge port of the cylindrical mixer, wherein screen holes in the adjustable-inclination type multi-stage screening device gradually increase from small to large so as to gradually separate the mixture according to granularity; a weighing sensor is arranged at each stage of screening device to respectively weigh undersize materials with different granularity, and the device also comprises an online detection control device; the on-line detection control device evaluates the granulating effect of the drum mixer by receiving data returned by the weighing detection sensor on the feeding belt, the belt speed detection sensor and the weighing sensor arranged on each stage of screening device. The utility model discloses a material granularity to drum mixer exit carries out on-line measuring.
Description
The technical field is as follows:
the utility model relates to a drum mixes quick-witted pelletization effect on-line measuring device.
Background art:
iron ore sintering is an important link in the modern ferrous metallurgy process, and the most main production link is to ignite and burn uniformly mixed small granular raw materials on a trolley type sintering machine so as to fuse the raw materials into blocky sintered ores. In order to ensure the strength and chemical composition of the agglomerate of the sintered ore, the raw materials need to be sufficiently combusted on the sintering machine. Before entering the sintering machine, various raw materials produced by sintering must be a mixture which is uniformly mixed, granular and moderate in humidity. Wherein, the uniform mixing is to ensure the consistency of the chemical components of the materials; the granular materials are used for ensuring enough air permeability during combustion, increasing the outer surface of the materials and improving the combustion consistency; the moderate humidity mainly aims to improve the physical strength of the mixture when the mixture is formed into particles and improve the granulation effect.
The cylindrical mixer is the key equipment for mixing and granulating in the iron ore sintering production process, is called as one of four main machines of a sintering plant, and is mainly used for mixing powder ore, fuel and flux according to a certain proportion to form loose particles which are sent into a sintering machine for sintering. The cylinder mixer is generally classified into a primary mixer and a secondary mixer. The primary mixer is also called a granulator because the primary mixer uniformly mixes and wets the materials in proportion, and the secondary mixer forms the materials into granular objects with uniform moisture and good air permeability. The drum mixer delivers material from the feed port into the drum via a belt conveyor. Because the cylinder is provided with a certain inclination and does uniform circular motion, the materials are uniformly mixed, moistened and granulated in the spiral rolling process in the cylinder body, and then the materials are sent to the belt conveyor through the discharge port.
The drum mixer is mainly composed of a drum body, a transmission device, a supporting device of a retaining wheel, an auxiliary device, a cover shell platform funnel and the like. In traditional mixed pelletization production process, the barrel length of drum mixer is fixed, and transmission adopts high-voltage motor power frequency drive, and the inclination of installation support is also fixed, so do not have effective means to control mixed pelletization process. Meanwhile, the granulation effect of the mixer cannot be measured and described by simple physical quantities, so that the production of the drum mixer can only be monitored by manual observation, and automatic quantitative online detection cannot be realized. The unmeasured uncontrollable state of the sintering raw material mixing production process makes the accurate process control of the process difficult to realize, the mixture preparation quality of the iron ore sintering process can not be ensured, the condition of local bulk materials or large blocks of adhesive materials can occur, the normal operation of the subsequent sintering production process is influenced, and the stable quality of the sintered ore finished products is reduced.
SUMMERY OF THE UTILITY MODEL
For overcoming the above-mentioned defect, the utility model aims to provide a drum mixes quick-witted pelletization effect on-line measuring device, through setting up the weighing sensor that entry input speed detected, adjustable inclination formula multi-stage screening device and to different grades of undersize thing, realized carrying out on-line measuring and analysis to the material granularity that the drum mixed quick-witted exit, formulate the evaluation index and carry out quantitative evaluation to the pelletization effect, realize the on-line measuring to mixing quick-witted pelletization effect.
In order to achieve the purpose, the device for online detecting the granulating effect of the cylindrical mixer comprises the cylindrical mixer, wherein a feeding belt is arranged at a feeding port of the cylindrical mixer, and a weighing detection sensor and a belt speed detection sensor are arranged on the feeding belt; arranging an adjustable-inclination type multi-stage screening device at a discharge port of the cylindrical mixer, wherein screen holes in the adjustable-inclination type multi-stage screening device gradually increase from small to large so as to gradually separate the mixture according to granularity;
a weighing sensor is arranged at each stage of screening device to respectively weigh undersize materials with different granularity,
the device also comprises an online detection control device; the on-line detection control device evaluates the granulating effect of the drum mixer by receiving data returned by the weighing detection sensor on the feeding belt, the belt speed detection sensor and the weighing sensor arranged on each stage of screening device.
Furthermore, the control input end of the adjustable inclination angle type multi-stage screening device is connected with the signal output end of the online detection control device. Thus, the online detection control device can adjust the inclination angle of the screening device in real time to match with the feeding speed of the inlet material.
The utility model has the advantages that:
1. because traditional detection method is difficult to effectual on-line measuring mixes quick-witted pelletization effect, and the utility model provides a drum mixes quick-witted pelletization effect on-line measuring device based on adjustable inclination formula multi-stage screening device through the mode of separating different granularity materials step by step and weighing measurement, has realized that the drum mixes the real-time on-line measuring of machine production process.
2. The utility model provides a through the material of adjustable inclination formula multi-stage screening device according to adjustable speed separate different granularities step by step, improved the mixed and disorderly phenomenon of mixing of material, being difficult to on-line measuring, realized online real-time granularity and detected.
3. The utility model provides a pelletization effect comprehensive evaluation index has carried out continuous quantitative evaluation to mixing machine production, makes and has mixed machine production process and have had online feedback signal, can realize mixing the technological process control of machine production through constructing feedback control system.
4. The utility model provides a particulate matter quantity index, particulate matter size index and particulate matter degree of consistency index carry out the comprehensive evaluation to the mixture in many aspects such as quantity, quality, homogeneity, and more complete judgement has mixed quick-witted pelletization effect.
5. The utility model provides a, carry out the method of weighing respectively and analysis to the undersize thing, can be fast to the rapid analysis of material, the algorithm is simple reliable, does not rely on the higher professional analysis software of price, requires lowly to on-line measuring controlling means hardware, does benefit to the software and hardware that mixes quick-witted pelletization effect on-line measuring system with lower cost construction.
6. The utility model provides a, detect the method of confirming adjustable inclination formula multi-stage screening device inclination and sampling period according to mixing machine input speed, combine the parameter of mixing machine detecting system and the technological process parameter of sintering production, both avoided parameter setting's randomness, regulation detection rate that again can be nimble orderly, effectual improvement detecting system reliability.
7. The utility model provides a, revise and the correction of individual index weight through pelletization effect benchmark value under manual supervision, mix the method that the machine pelletization effect comprehensive evaluation index was revised to the drum, mix quick adjustment and the steady operation that machine on-line measuring system provided for different sintering production line drums and make the utility model discloses the ability of promoting fast has.
Description of the drawings:
figure 1 schematic diagram of a detection and hardware system of the present invention
Figure 2 the utility model discloses a detection system schematic diagram
Detailed Description
Now, taking the secondary cylinder mixing production process in the typical sintering production in China as an example, the utility model is explained:
the utility model discloses a detection and hardware system see figure 1, and the detection system schematic diagram is seen in figure 2. The utility model discloses a drum mixes quick-witted on-line measuring device, the drum mixes the feeding belt 2 of machine 1 entry and goes up the installation and weigh and belt speed detection device, and the device measures mixing machine feed speed. An adjustable inclination angle type multi-stage screening device 4 is additionally arranged below a discharge opening of a drum mixer, and an inclination angle set value can be calculated by an online detection control device according to sintering feeding speed, so that the material transportation speed is adjusted, the mixture discharging and feeding progress is kept consistent, and the screening effect is ensured. The sieve pores on the blanking plate of the multi-stage screening device are increased step by step, so that larger particles are retained on the blanking plate, and smaller particles fall into the undersize channel. And each grade of screening device is respectively provided with a weighing sensor 5, and undersize products of the grade are subjected to weight measurement and sent to an online detection control device for analysis and processing. The online detection control device can calculate each evaluation index of the granulation effect according to the data of the weight, the sieve pore diameter, the layering state and the like of the materials with different granularities collected at regular time.
In the initial stage of the first online operation of the system, the manual sampling inspection can be performed regularly, whether the online detection result and the manual sampling inspection result have deviation or not is judged, if the deviation exists, the deviation can be corrected through a manual guidance system, the system can be regarded as stable operation after a period of parameter optimization period, and the granulation effect evaluation index can be used as a credible detection result for online production detection of the cylinder mixer.
The online detection control device can be a server, a PC (personal computer), a PLC (programmable logic controller) or the like, and a preset program is solidified in the online detection control device.
Compare in traditional production, the utility model discloses there is following characteristics:
1) in the traditional production process, water is added, stirring and granulation are carried out by a drum mixer, the obtained granular sintering mixture can only measure the water content, and the vital indexes such as shape, granularity and bulk material proportion cannot be detected and evaluated quantitatively on line. The traditional manual inspection mainly judges whether the mixture is qualified or not by observing the particle size and distribution by naked eyes, and the quick and effective online detection and automatic analysis method for quantitatively evaluating the mixed granulation effect are lacked. So the utility model discloses a carry out the method of classifying screen and weighing in the material transportation process, realized the quantitative evaluation to the sintering mixture pelletization effect.
2) In current drum mixer and complementary unit, the material is produced and is transported with piling up the state, and granular material and powdery material mix together, so need detect after separating the material of different granularities. Therefore the utility model provides an auxiliary detection mechanism based on interference is got rid of in hierarchical screening has improved the detection precision, has strengthened the reliability of quantitative evaluation standard.
The utility model discloses an on-line measuring work flow: .
The first step is as follows: the sintering raw materials are conveyed to the inlet of the mixing machine through the feeding belt, the weighing detection device and the speed detection device are arranged at the feeding belt, and the feeding speed of the sintering raw materials is obtained through weighing and belt speed measurement. The sintering raw materials are stirred and mixed in a cylinder mixer to form a granular mixture.
The second step is that: the mixture that the drum mixes the quick-witted discharge gate falls on adjustable inclination formula multi-stage screening device, and adjustable inclination formula multi-stage screening device changes blanking surface angle through passageway angle adjusting device, and then changes the mixture and slide speed, reaches the purpose of adjusting the material flow balance, promoting the screening effect. Meanwhile, the materials pass through the sieve holes in the blanking plate of the screening device, and undersize particles in the materials can be screened out, so that conditions are created for detection.
The third step: and the weighing sensor regularly acquires the weight data of the undersize materials of each grade of screening device according to the acquisition period and uploads the weight data to the online detection control device.
The fourth step: the on-line detection control device calculates the subentry evaluation index and the comprehensive evaluation index of the granulating effect of the mixer according to the data of the grading condition of the channel, the diameter of the sieve pores, the weight of the undersize materials and the like.
Claims (2)
1. An online detection device for the granulating effect of a cylindrical mixer comprises the cylindrical mixer and is characterized in that a feeding belt is arranged at the feeding port of the cylindrical mixer, and a weighing detection sensor and a belt speed detection sensor are arranged on the feeding belt; arranging an adjustable-inclination type multi-stage screening device at a discharge port of the cylindrical mixer, wherein screen holes in the adjustable-inclination type multi-stage screening device gradually increase from small to large so as to gradually separate the mixture according to granularity;
a weighing sensor is arranged at each stage of screening device to respectively weigh undersize materials with different granularity,
the device also comprises an online detection control device; the on-line detection control device evaluates the granulating effect of the drum mixer by receiving data returned by the weighing detection sensor on the feeding belt, the belt speed detection sensor and the weighing sensor arranged on each stage of screening device.
2. The apparatus for on-line measuring granulation effect of drum mixer as claimed in claim 1, wherein the control input terminal of said adjustable inclination type multi-stage sieving device is connected to the signal output terminal of the on-line measuring control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220418154.2U CN217466584U (en) | 2022-02-28 | 2022-02-28 | Drum mixes quick-witted pelletization effect on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220418154.2U CN217466584U (en) | 2022-02-28 | 2022-02-28 | Drum mixes quick-witted pelletization effect on-line measuring device |
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| Publication Number | Publication Date |
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| CN217466584U true CN217466584U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220418154.2U Active CN217466584U (en) | 2022-02-28 | 2022-02-28 | Drum mixes quick-witted pelletization effect on-line measuring device |
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| CN (1) | CN217466584U (en) |
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- 2022-02-28 CN CN202220418154.2U patent/CN217466584U/en active Active
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