CN216911490U - Solid waste final grinding system based on roller press - Google Patents
Solid waste final grinding system based on roller press Download PDFInfo
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- CN216911490U CN216911490U CN202123053132.5U CN202123053132U CN216911490U CN 216911490 U CN216911490 U CN 216911490U CN 202123053132 U CN202123053132 U CN 202123053132U CN 216911490 U CN216911490 U CN 216911490U
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- roller press
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- powder concentrator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The utility model relates to a final grinding system for industrial solid wastes based on a roller press, which comprises a hot blast stove, the roller press, a feeding bin of the roller press, a feeding station, a first lifting machine, a spraying system, an iron removing device, a combined three-rotor high-efficiency powder concentrator, a second lifting machine and a bag type dust collector, wherein the feeding station is connected into the spraying system through the first lifting machine, a discharge hole of the spraying system is connected to the feeding bin of the roller press, a discharge hole of the feeding bin of the roller press is connected with the roller press, a static part feeding hole of the combined three-rotor high-efficiency powder concentrator is connected to a discharge hole of a static part of the combined three-rotor high-efficiency powder concentrator, a fine powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator is connected to a dynamic part feeding hole of the combined three-rotor high-efficiency powder concentrator, and a coarse powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator is connected back to the roller press through the second lifting machine. The utility model gives full play to the efficiency of the roller press to the utmost extent, reduces the material proportion of the circulating grinding in the system, reduces the energy consumption and improves the yield.
Description
Technical Field
The utility model relates to the field of cement production, in particular to a solid waste final grinding system based on a roller press.
Background
The solid waste refers to solid waste generated in industrial production activities, such as slag, steel slag, alloy slag, fly ash, coal gangue, furnace bottom slag, sulfuric acid slag, salt mud, red mud, tailings and the like.
In the cement industry, there are various ways of utilizing solid wastes, such as a mixed material for producing cement, or as a modified material for cement and concrete, and for some industrial wastes with higher activity, such as slag, fly ash, desulfurized gypsum, etc., it can also be used for producing clinker-free cement. Wherein the amount of industrial solid waste is the largest by using the cement admixture.
In the process of grinding the solid waste, because the grindability of the solid waste and the clinker is different, if the clinker and the solid waste are mixed and ground, the specific surface of the solid waste which is difficult to grind is lower, and certain properties of the finished cement are lower, so that the process of independently grinding the solid waste is generally adopted. The existing process generally adopts a ball mill and a roller press as grinding equipment, and has high energy consumption and relatively low production efficiency due to the grinding mechanism of the ball mill; if a roller press is used as grinding equipment, the finished product produced by matching the mainstream single-rotor dynamic powder concentrator is unreasonable in gradation, and the grain size of the finished product is single, so that the use requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an industrial solid waste final grinding system based on a roller press, which gives full play to the efficiency of the roller press, improves the yield, reduces the material proportion of the internal circulation grinding of the system and further reduces the energy consumption.
The technical problem to be solved by the utility model is realized by the following technical scheme:
the utility model provides an industry solid waste finish grinding system based on roller press which characterized in that: comprises a hot blast stove, a roller press, a feeding bin of the roller press, a feeding station, a first lifting machine, a spraying system, an iron removing device, a combined three-rotor high-efficiency powder concentrator, a second lifting machine and a bag type dust collector, wherein the feeding station is connected into the spraying system through the first lifting machine, a discharge hole of the spraying system is connected to the feeding bin of the roller press, a discharge hole of the feeding bin of the roller press is connected with the roller press, a static part feeding hole of the combined three-rotor high-efficiency powder concentrator is connected with a discharge hole of the roller press, a fine powder outlet of a static part of the combined three-rotor high-efficiency powder concentrator is connected to a dynamic part feeding hole of the combined three-rotor high-efficiency powder concentrator, a coarse powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator is connected back to the roller press through the second lifting machine, and a dynamic part fine powder outlet of the combined three-rotor high-efficiency powder concentrator is connected with the bag type dust collector, and a high-temperature gas outlet of the hot blast stove is connected to an air inlet hole of a static part of the combined three-rotor high-efficiency powder concentrator.
And moreover, the coarse powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator is firstly connected to the iron removal device through a second lifting machine, the material outlet of the iron removal device is connected to the spraying system, and the iron outlet of the iron removal device is connected to the iron recovery device.
And the dynamic coarse powder outlet of the combined three-rotor high-efficiency powder concentrator is connected back to the static part feeding port of the combined three-rotor high-efficiency powder concentrator for further treatment.
And the solid outlet of the bag collector is connected to a solid waste warehouse elevator.
The utility model has the advantages and beneficial effects that:
1. according to the industrial solid waste final grinding system based on the roller press, the feeding station is connected to the spraying system through the first lifting machine, the discharge port of the spraying system is connected to the feeding bin of the roller press, raw materials which are proportioned by the batching station are fed into the spraying system through the lifting machine by the feeding station, in order to ensure the stability of a material layer and reduce the vibration of the roller press, water is added before the raw materials enter the roller press to be stirred, wetted and mixed, the humidified materials are fed into the feeding bin of the roller press, and the uniformity of the materials fed into the roller press is improved.
2. According to the industrial solid waste final grinding system based on the roller press, materials ground by the roller press are fed into the static part feeding holes of the combined three-rotor high-efficiency powder concentrator, meanwhile, hot air generated by a hot blast stove is fed into the static part air inlet holes of the combined three-rotor high-efficiency powder concentrator through an air pipe, the materials are dried and primarily sorted under the action of the hot air, fine powder continuously enters the dynamic part of the combined three-rotor high-efficiency powder concentrator to be continuously sorted, and coarse powder sorted by the static part returns to the roller press for circular grinding; the fine powder separated by the dynamic part of the combined three-rotor high-efficiency powder separator is a finished product, the coarse powder separated by the dynamic part returns to the static part through the discharge port for further separation, and the separation efficiency is improved by circulating the steps.
3. The industrial solid waste final grinding system based on the roller press adopts the roller press and the combined three-rotor efficient powder concentrator as core equipment, ensures reasonable finished product grain composition, and simultaneously gives full play to the efficiency of the roller press to the maximum extent through reasonably designing a process flow, thereby realizing the improvement of yield; the material proportion of the circulating grinding in the system is reduced, and the energy consumption is further reduced.
Drawings
FIG. 1 is a flow chart of the system of the present invention.
Description of the reference numerals
The system comprises a 1-hot blast stove, a 2-roller press, a 3-roller press feeding bin, a 4-spraying system, a 5-deironing device, a 6-combined three-rotor high-efficiency powder concentrator, a 7-bag type dust collector, an 8-first elevator and a 9-second elevator.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the utility model.
A final grinding system for industrial solid wastes based on a roller press comprises a hot blast stove 1, a roller press 2, a roller press feeding bin 3, a feeding station, a first lifting machine 8, a spraying system 3, an iron removal device 5, a combined three-rotor high-efficiency powder concentrator 6, a second lifting machine 9 and a bag type dust collector 7, wherein the feeding station is connected with the spraying system 3 through the first lifting machine 8, a discharging port of the spraying system 3 is connected to the roller press feeding bin 3, a discharging port of the roller press feeding bin 3 is connected with the roller press 2, a discharging port of the roller press 2 is connected with a static part feeding hole of the combined three-rotor high-efficiency powder concentrator 6, a fine powder outlet of a static part of the combined three-rotor high-efficiency powder concentrator 6 is connected to a dynamic part feeding port of the combined three-rotor high-efficiency powder concentrator 6, a coarse powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator 6 is connected back to the roller press 2 through the second lifting machine 9, and a fine powder outlet of a dynamic part of the combined three-rotor high-efficiency powder concentrator 6 is connected with a bag type dust collector 7, and a high-temperature gas outlet of the hot blast stove 1 is connected to an air inlet hole of a static part of the combined three-rotor high-efficiency powder concentrator 6. The combined three-rotor efficient powder selection adopts a multi-rotor dynamic powder selection machine which is produced by the company and is used for a final grinding system of a roller press.
The coarse powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator 6 is firstly connected to the iron removal device 5 through the second elevator 9, the material outlet of the iron removal device 5 is connected to the spraying system 3, and the iron outlet of the iron removal device 5 is connected to the iron recovery device. The dynamic coarse powder outlet of the combined three-rotor high-efficiency powder concentrator 6 is connected back to the static part feeding port of the combined three-rotor high-efficiency powder concentrator 6 for further treatment. The solid outlet of the bag collector 7 is connected to a solid waste bin elevator.
The working principle diagram of the industrial solid waste final grinding system based on the roller press comprises the following steps:
1) the feeding station is connected to the spraying system 3 through a first lifting machine 8, a discharge port of the spraying system 3 is connected to a feeding bin 3 of the roller press, raw materials which are proportioned by the batching station are fed into the spraying system 3 through the lifting machine by the feeding station, in order to ensure the stability of a material layer and reduce the vibration of the roller press 2, water is added before the raw materials enter the roller press 2 to be stirred, wetted and mixed, the humidified materials are fed into the feeding bin 3 of the roller press, and the uniformity of the materials which are fed into the roller press 2 is improved;
2) feeding the materials ground by the roller press 2 into a static part feeding hole of the combined three-rotor high-efficiency powder separator 6, simultaneously sending hot air generated by the hot blast stove 1 into a static part air inlet hole of the combined three-rotor high-efficiency powder separator 6 through an air pipe, drying and primarily separating the materials under the action of the hot air, continuously feeding fine powder into a dynamic part of the combined three-rotor high-efficiency powder separator 6 for continuous separation, and returning coarse powder separated by the static part to the roller press 2 for circular grinding; the fine powder separated by the dynamic part of the combined three-rotor high-efficiency powder separator 6 is a finished product, the coarse powder separated by the dynamic part returns to the static part through a discharge opening for further separation, and the separation efficiency is improved by circulating the steps.
3) And the qualified fine powder is continuously carried to a bag type dust collector 7 by airflow, the collected finished product is conveyed to a warehousing elevator through an air chute, and the clean gas out of the bag type dust collector is exhausted to the atmosphere by a fan.
Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, alterations, and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and thus the scope of the utility model is not limited to the embodiments and drawings disclosed.
Claims (4)
1. The utility model provides an industry solid waste finish grinding system based on roller press which characterized in that: comprises a hot blast stove (1), a roller press (2), a roller press feeding bin, a feeding station, a first lifting machine, a spraying system (4), a combined three-rotor high-efficiency powder concentrator (6), a second lifting machine (9) and a bag type dust collector (7), wherein the feeding station is connected into the spraying system (4) through the first lifting machine (8), a discharge hole of the spraying system (4) is connected to the roller press feeding bin (3), a discharge hole of the roller press feeding bin (3) is connected with the roller press (2), a discharge hole of the roller press (2) is connected with a static part feeding hole of the combined three-rotor high-efficiency powder concentrator (6), a fine powder outlet of a static part of the combined three-rotor high-efficiency powder concentrator (6) is connected to a dynamic part feeding hole of the combined three-rotor high-efficiency powder concentrator (6), a coarse powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator (6) is connected back to the roller press (2) through the second lifting machine (9), a fine powder outlet of a dynamic part of the combined three-rotor high-efficiency powder concentrator (6) is connected with a bag type dust collector (7), and a high-temperature gas outlet of the hot blast stove (1) is connected with an air inlet hole of a static part of the combined three-rotor high-efficiency powder concentrator (6).
2. The industrial solid waste finish grinding system based on the roller press according to claim 1, wherein: the coarse powder outlet of the static part of the combined three-rotor high-efficiency powder concentrator (6) is firstly connected to the iron removal device (5) through a second lifting machine (9), the material outlet of the iron removal device (5) is connected to the spraying system (4), and the iron outlet of the iron removal device (5) is connected to the iron recovery device.
3. The industrial solid waste finish grinding system based on the roller press according to claim 1, wherein: the dynamic part coarse powder outlet of the combined three-rotor high-efficiency powder concentrator (6) is connected back to the static part feeding port of the combined three-rotor high-efficiency powder concentrator (6).
4. The industrial solid waste finish grinding system based on the roller press according to claim 1, wherein: and a solid outlet of the bag type dust collector (7) is connected to a solid waste warehouse elevator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123053132.5U CN216911490U (en) | 2021-12-07 | 2021-12-07 | Solid waste final grinding system based on roller press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123053132.5U CN216911490U (en) | 2021-12-07 | 2021-12-07 | Solid waste final grinding system based on roller press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216911490U true CN216911490U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123053132.5U Active CN216911490U (en) | 2021-12-07 | 2021-12-07 | Solid waste final grinding system based on roller press |
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| CN (1) | CN216911490U (en) |
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2021
- 2021-12-07 CN CN202123053132.5U patent/CN216911490U/en active Active
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