CN214693919U - Steel slag aggregate cleaning system - Google Patents
Steel slag aggregate cleaning system Download PDFInfo
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- CN214693919U CN214693919U CN202022347848.5U CN202022347848U CN214693919U CN 214693919 U CN214693919 U CN 214693919U CN 202022347848 U CN202022347848 U CN 202022347848U CN 214693919 U CN214693919 U CN 214693919U
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- steel slag
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- 239000002893 slag Substances 0.000 title claims abstract description 148
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 134
- 239000010959 steel Substances 0.000 title claims abstract description 134
- 238000004140 cleaning Methods 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000005554 pickling Methods 0.000 claims abstract description 35
- 239000004567 concrete Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000002910 solid waste Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 239000002253 acid Substances 0.000 description 13
- 150000002500 ions Chemical class 0.000 description 13
- 239000004576 sand Substances 0.000 description 11
- 235000019738 Limestone Nutrition 0.000 description 8
- 239000006028 limestone Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000004575 stone Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 5
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 239000008213 purified water Substances 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011575 calcium Substances 0.000 description 2
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052909 inorganic silicate Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000021110 pickles Nutrition 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- IDQRAOXWFBAGRX-UHFFFAOYSA-N [Mg].[Ca].[Ca] Chemical compound [Mg].[Ca].[Ca] IDQRAOXWFBAGRX-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229940062672 calcium dihydrogen phosphate Drugs 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 238000004182 chemical digestion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- QQFLQYOOQVLGTQ-UHFFFAOYSA-L magnesium;dihydrogen phosphate Chemical compound [Mg+2].OP(O)([O-])=O.OP(O)([O-])=O QQFLQYOOQVLGTQ-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007431 microscopic evaluation Methods 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 229910000401 monomagnesium phosphate Inorganic materials 0.000 description 1
- 235000019785 monomagnesium phosphate Nutrition 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
Images
Classifications
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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
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
A steel slag aggregate cleaning system comprises a steel slag aggregate pickling device and a steel slag aggregate cleaning device which are respectively connected through a steel slag aggregate conveying device and a water conveying device to form a steel slag aggregate transmission streamline and a water conveying streamline which are in opposite directions. The utility model discloses can effectively solve the bad problem of stability that the slag aggregate was used for the concrete to bring, and safe and reliable, easy operation, efficient, the energy consumption is little, can realize the comprehensive utilization of metallurgical solid waste, energy saving and consumption reduction, solid useless utilization meaning great to metallurgical enterprise.
Description
Technical Field
The utility model relates to a processing apparatus of slag aggregate, especially a slag aggregate cleaning system belong to industry and utilize technical field useless admittedly.
Background
Steel slag is a solid waste produced in the steel making process. China is a large industrial country, the yield of crude steel is the top of the world, and nearly 1 hundred million tons of steel slag can not be effectively utilized every year. The accumulation of a large amount of steel slag not only occupies cultivated land, but also causes groundwater pollution because a large amount of heavy metal ions and alkaline ions contained in the steel slag permeate into soil. Therefore, recycling of steel slag has become one of the problems of common concern in the field of resource utilization and environmental protection.
The stones and sand are coarse and fine aggregate components of the concrete, and account for about 70-80% of the concrete. The current sand and stone materials are mainly crushed by natural river sand and ores, and the natural sand and stone belongs to non-renewable natural resources with limited reserves. And the natural river sand producing area is mainly concentrated in the main flow and branch flow areas of the Yangtze river and the yellow river, and the ecological damage is serious. Under the influence of the prohibition of exploitation of river channels, the sand and gravel enterprises in many areas are shut down in large scale, the supply of sand and stones is reduced in a large area, the price of concrete is generally increased, and the supply and demand relationship is very tight. The steel slag is hard, and if the steel slag is crushed and screened to replace natural river sand and stones to be used as concrete coarse and fine aggregates, the steel slag is beneficial to improving the strength of the concrete. Therefore, if the steel slag resource can be utilized as the concrete coarse and fine aggregate to the maximum extent, the production cost of the concrete can be reduced, the natural mineral resource can be saved, and the sustainable development can be realized.
However, the steel slag is self-decomposed and broken after being sprayed with water and cooled for 3 to 4 days. The hot splashing steel slag has good development of each mineral phase and complete crystal lattice in the process of slowly cooling the steel slag from a molten state to normal temperature, so that the activity of the mineral phase in the steel slag is low. In addition, f-CaO and f-MgO in the slag are not completely hydrated, so that the stability of the hot splashing steel slag is poor. At present, a great deal of steel slag which is not utilized and is piled up at home is mainly hot splashing steel slag. When the hot splashing steel slag is used as coarse and fine aggregate in concrete, the poor volume stability of the hot splashing steel slag can increase the hidden trouble of the performance of the steel slag-containing building material.
In the steel-making process, in order to remove gangue (SiO) with high melting point mixed in molten iron2) Limestone slagging agents are often added. In order to avoid that the slag former is taken away by furnace gas and cannot form slag in time, a massive slag former is usually added. However, some limestone with too large lump size is melted slowly, and limestone which cannot react in time is calcined by a high-temperature furnace to form primary overburnt CaO. The primary overburning CaO is wrapped in the solid solution and is gathered in blocks. When hot splashing steel slag is used as coarse and fine aggregate in concrete, expansion stress generated by hydration of the blocky aggregated primary overburning CaO is concentrated and is greater than the constraint force of hardened cement slurry, so that the hardened cement slurry is extruded to expand and damage. Therefore, the existence of the lump-shaped over-burnt CaO is the key of poor stability of the steel slag. Eliminating the overburning CaO is the most effective method for solving the stability of the steel slag.
Long-time stacking, hot braising, chemical digestion, high-temperature reconstruction and the like are the main methods for eliminating the problem of poor stability of the steel slag at present. The long-time stacking can reduce the content of f-CaO in the steel slag to a certain extent, but has long time consumption, low treatment efficiency, incomplete elimination of poor stability and potential safety hazard. The known high-activity modified steel slag powder and a stability treatment method thereof are a heat-stewing and stability-stabilizing method, steel slag is pretreated by a steam-pressing method after steel slag and aluminosilicate materials are fully ground and mixed, so that an expansion phase in the steel slag is digested under the reaction conditions of high temperature and high pressure, and the method requires grinding and steam-pressing and has higher energy consumption. The method is characterized in that calcium dihydrogen phosphate, magnesium dihydrogen phosphate and other substances are added into steel slag powder and treated at the temperature of 20-50 ℃ for 3-8 hours, so that the stability problem in the steel slag is solved.
High-temperature reconstruction is the most studied method for eliminating the problem of poor stability of the steel slag at present, and the high-temperature reconstruction can promote the combination of f-CaO and FeO in the steel slag to generate calcium ferrite (C2F) with certain hydration activity. A method for modifying the stability of converter gas quenching steel slag and a limestone modifier are known, and the method solves the problem of the stability of the steel slag by adding a proper amount of the limestone modifier into the steel slag and melting the mixture, but the method needs a high temperature of more than 1000 ℃, has high requirements on equipment and has higher energy consumption. Furthermore, a steel slag stability modifier and a steel slag stability processing method are known, which are used for modifying steel slag by adding the steel slag stability modifier into a steel-making slag tank at 1610 ℃ to 1750 ℃ in proportion, and the method is only suitable for hot molten steel slag which is not discharged from a furnace and can not effectively solve the stability problem of the existing steel slag.
Disclosure of Invention
In order to overcome the above-mentioned not enough of prior art, the utility model provides a slag aggregate cleaning system can effectively solve the invariability of slag aggregate, improves the comprehensive utilization to the slag, and safe and reliable, easy operation, efficient, the energy consumption is little.
The utility model provides a technical scheme that its technical problem adopted is:
the steel slag aggregate cleaning system comprises a steel slag aggregate pickling device and a steel slag aggregate cleaning device, wherein the steel slag aggregate pickling device and the steel slag aggregate cleaning device are respectively connected through a steel slag aggregate conveying device and a water conveying device to form a steel slag aggregate transmission streamline and a water conveying streamline which are opposite.
Compared with the prior art, the utility model discloses a steel slag aggregate cleaning system mainly carries out the stable ann of pickling to hot splashing steel slag aggregate through steel slag aggregate acid dip pickle, has mainly realized on the basis of keeping the original physicochemical property of steel slag aggregate, eliminates the unstable composition (f-CaO and f-MgO) in the steel slag aggregate, has improved the hydration activity of steel slag aggregate simultaneously to a certain extent, realizes the comprehensive utilization of metallurgical solid waste, energy saving and consumption reduction to metallurgical enterprise, and the solid useless resource utilization is significant. In addition, the cleaning system has the advantages of simple structure, low energy consumption, recycling, high efficiency, safety, reliability and easy operation.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic plan view of an embodiment of the cleaning system of the present invention.
Fig. 2 is a cross-sectional view at a-a in fig. 1.
Fig. 3 is a cross-sectional view at B-B in fig. 1.
In the figure, 1, pending steel slag aggregate, 2, steel slag aggregate acid dip pickle, 21, pickling bath, 22, first agitator, 3, steel slag aggregate belt cleaning device, 31, harmful ion washing bath, 32, second agitator, 4, the good steel slag aggregate of steady security, 5, effluent water sump, 6, water purification tank, 61, water purification district, 62, settling zone, 7, belt conveyor, 8, water pump, 9, raceway, 10, apopore A, 11, discharge opening A, 12, apopore B, 13, discharge opening B.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 to 3 show the structural schematic diagram of the embodiment of the cleaning system of a preferred of the present invention, a steel slag aggregate cleaning system in the figure, including steel slag aggregate pickling installation 2 and steel slag aggregate cleaning installation 3, steel slag aggregate pickling installation 2 and steel slag aggregate cleaning installation 3 between connect through steel slag aggregate conveyer and water conveying device respectively, form steel slag aggregate transmission streamline and water conveying streamline going in opposite directions. The steel slag aggregate transmission streamline is that the steel slag aggregate 1 to be treated enters a pickling tank 21 from a steel slag aggregate storage yard for primary pickling, then enters a harmful ion cleaning tank 31 from left to right for secondary cleaning, and the obtained steel slag aggregate 4 with good stability and safety is finally conveyed to the pickling stability and safety steel slag aggregate storage yard. The water conveying line is characterized in that clean water is firstly injected into the harmful ion cleaning pool 31 to carry out secondary cleaning on the steel slag aggregate stably subjected to acid cleaning, sewage is discharged into the water purifying pool 6 below the water purifying pool, the purified water is injected into the acid cleaning pool 21 through the water pump 8, the next batch of steel slag aggregate is stably subjected to acid cleaning, and the purified water passes through water repeatedly for multiple times from right to left and then enters the sewage pool 5.
In this embodiment, the steel slag aggregate is a coarse aggregate and a fine aggregate which are crushed and used in concrete.
In a preferred embodiment, the steel slag aggregate pickling device 2 comprises a pickling tank 21 and a first stirrer 22 arranged in the pickling tank, the second stirrer can be a turbine stirrer, the turbine stirrer can fully stir the steel slag aggregate with a pickling agent in the continuous stirring process to dissolve unstable components (f-CaO and f-MgO) in the steel slag aggregate, so that the unstable components of the steel slag aggregate are eliminated, and the specific shape of the pickling tank 21 can be designed into a structural form that the upper part is cylindrical and the lower part is in an inverted circular truncated cone shape; the bottom of the pickling tank 21 is provided with a discharge hole A11 and a water outlet hole A10, and the water outlet hole A10 is a valve provided with a filter screen and used for filtering sand and stone.
In a preferred embodiment, the steel slag aggregate cleaning device 3 comprises a harmful ion cleaning pool 31 and a second stirrer 32 arranged in the harmful ion cleaning pool, the second stirrer 32 can be a turbine stirrer specifically, the specific structure of the harmful ion cleaning pool 31 can be designed into a combination of a cylindrical upper part and an inverted circular truncated cone lower part, and the turbine stirrer can fully mix harmful ions adhered to the surface of the steel slag aggregate with water in the continuous stirring process to clean the steel slag aggregate; the bottom of the harmful ion cleaning pool 31 is provided with a discharge hole B13 and a water outlet hole B12, and the water outlet hole B12 is a valve provided with a filter screen and used for filtering sand and stone.
In a preferred embodiment, the steel slag aggregate conveying device is a belt conveyor 7, one end of the belt conveyor is connected with the discharge hole A11 of the pickling tank 21, and the other end of the belt conveyor is connected with the upper port of the harmful ion cleaning tank 31, and the belt conveyor is used for conveying the steel slag aggregate which is stably pickled to the harmful ion cleaning tank 31 for next-stage cleaning.
In a preferred embodiment, the water conveying device comprises a water purifying tank 6, a water conveying pipe 9 and a water pump 8, the water purifying tank 6 is preferably arranged below the water outlet hole, a partition plate with a plurality of water outlet holes can be arranged in the water tank to divide the water purifying tank into a settling area 62 and a water purifying area 61, the settling area 62 is communicated with the water outlet hole B12, the water purifying area 61 is communicated with the upper end port of the pickling tank 21, water inlet and outlet are realized through the water pump 8, cleaning water is discharged into the settling area 62 to settle impurities and simultaneously flows into the water purifying area 61 through the water outlet holes, and the purified water in the water purifying area 61 is pumped to the pickling tank 21 through the water pump, so that stable pickling of the next batch of steel slag aggregates is realized.
The embodiment of the utility model provides a cleaning system's use as follows:
the method comprises the following steps: closing the valve of the discharging hole and the water outlet hole;
step two: pouring the steel slag aggregate and the pickling agent into a pickling tank 21;
step three: starting a turbine stirrer for stirring;
step four: after the acid washing is finished, opening a water outlet valve to discharge the sewage into a settling area 62 of the clean water tank 6;
step five: after sewage is discharged, a discharge hole valve is opened, and the steel slag aggregate which is stably pickled is sent into a harmful ion cleaning pool 31 for cleaning through a belt conveyor 7 below;
step six: the sewage discharged into the clean water tank 6 flows into the clean water zone 61 through the drain hole while precipitating impurities in the precipitation zone 62; and pumping the purified water in the water purification area 61 to the pickling tank 21 through the water pump 8, so as to realize stable pickling of the next batch of steel slag aggregates.
The utility model discloses eliminate the bad mechanism of heat application slag aggregate stability:
in the steel-making process, the slag former (limestone) with too large block size is slowly melted, and the limestone which cannot react in time is calcined by a high-temperature furnace to form primary overburnt CaO. The primary overfire CaO is wrapped in the solid solution and is aggregated in a block shape, and the block-shaped aggregate is difficult to digest in the concrete in a short time and is the main reason of poor stability of the concrete.
The block-shaped aggregate is a mixture of primary overfire CaO and residual limestone, and is very soluble in strong acid. The steel slag aggregate is stably modified by acid washing, the burnt CaO in the steel slag is agglomerated and dissolved, and a large amount of Ca2+The glass body on the surface of the steel slag is subjected to chemical adsorption and erosion through dissolution, and the activity of the glass body on the surface is excited. When the calcium-magnesium-calcium mixed slag is used as concrete coarse and fine aggregates, cement hydration provides an alkaline environment, and steel slag vitreous body Ca is promoted2+、 SiO4 4-Repolymerize and form a C-S-H gel that provides strength. Therefore, the steel slag aggregate is stably modified by acid washing, so that the stability problem is solved, and the surface activity of the steel slag aggregate is stimulated.
The embodiment of the utility model provides an effect verification method and conclusion:
after the steel slag aggregate is modified by the system, sand is partially replaced by the steel slag aggregate to prepare a mortar test piece, the change of the compressive strength of the test piece is periodically detected, and the appearance and appearance change before and after steam pressure is observed, so that the influence of stable acid washing modification on the mechanical property and stability of the steel slag aggregate-based mortar test piece is verified. And the microstructures of the original steel slag aggregate and the steel slag aggregate-based mortar test piece are researched through energy dispersive analysis (EDS) and a Scanning Electron Microscope (SEM), and the failure mechanism of the mortar test piece expansion caused by the steel slag aggregate and the stability and safety mechanism of the acid-washing stable and safe modified steel slag aggregate are discussed.
The research result shows that: the steel slag aggregate is treated by acid pickling and stabilizing, the strength of the acid pickling and stabilizing steel slag aggregate-based mortar test piece is obviously improved compared with the steel slag aggregate-based mortar test piece which is not subjected to acid pickling, and the problem of poor stability is solved. Microscopic analysis shows that the steel slag aggregate is stably pickledIn the steel slag aggregate, CaO is agglomerated and dissolved by overburning, Ca2+And (4) dissolving out a large amount. Dissolved Ca2 +Attached to the surface of the steel slag aggregate to ensure that the steel slag aggregate actively captures SiO4 4-The excellent characteristics of (2).
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do the restriction in any form, all basis the utility model discloses a technical essence makes any simple modification and equal change to above embodiment, all falls into within the protection scope of the utility model.
Claims (8)
1. A steel slag aggregate cleaning system is characterized in that: the steel slag aggregate washing device comprises a steel slag aggregate pickling device (2) and a steel slag aggregate cleaning device (3), wherein the steel slag aggregate pickling device (2) and the steel slag aggregate cleaning device (3) are respectively connected through a steel slag aggregate conveying device and a water conveying device to form a steel slag aggregate transmission streamline and a water conveying streamline which are opposite to each other.
2. The steel slag aggregate cleaning system of claim 1, which is characterized in that: the steel slag aggregate is coarse aggregate and fine aggregate which are used in concrete after being crushed.
3. The steel slag aggregate cleaning system as set forth in claim 1 or 2, wherein: the steel slag aggregate pickling device (2) comprises a pickling tank (21) and a first stirrer (22) arranged in the pickling tank, wherein a discharge hole A (11) and a water outlet hole A (10) are formed in the bottom of the pickling tank (21).
4. The steel slag aggregate cleaning system as set forth in claim 3, wherein: and a valve with a filter screen is arranged on the water outlet hole A (10).
5. The steel slag aggregate cleaning system as set forth in claim 1 or 2, wherein: the steel slag aggregate cleaning device (3) comprises a harmful ion cleaning pool (31) and a second stirrer (32) arranged in the harmful ion cleaning pool, and a discharge hole B (13) and a water outlet hole B (12) are arranged at the bottom of the harmful ion cleaning pool (31).
6. The steel slag aggregate cleaning system as set forth in claim 5, wherein: and a valve with a filter screen is arranged on the water outlet hole B (12).
7. The steel slag aggregate cleaning system as set forth in claim 1 or 2, wherein: the steel slag aggregate conveying device is a belt conveyor (7), one end of the steel slag aggregate conveying device is connected with a discharge hole A (11) of the pickling tank (21), and the other end of the steel slag aggregate conveying device is connected with an upper port of the harmful ion cleaning tank (31).
8. The steel slag aggregate cleaning system as set forth in claim 1 or 2, wherein: the water conveying device is composed of a water purifying tank (6), a water conveying pipe (9) and a water pump (8), the water purifying tank (6) is divided into a settling area (62) and a water purifying area (61) which are communicated, the settling area (62) is communicated with a water outlet hole B (12), the water purifying area (61) is communicated to an upper port of the pickling tank (21), and water inlet and outlet are realized through the water pump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347848.5U CN214693919U (en) | 2020-10-20 | 2020-10-20 | Steel slag aggregate cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347848.5U CN214693919U (en) | 2020-10-20 | 2020-10-20 | Steel slag aggregate cleaning system |
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| CN214693919U true CN214693919U (en) | 2021-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299733A (en) * | 2020-10-20 | 2021-02-02 | 徐州成瑞建筑科技研究院有限公司 | Method for stably and safely eliminating poor stability of hot splashing steel slag aggregate by acid washing and cleaning system |
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- 2020-10-20 CN CN202022347848.5U patent/CN214693919U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299733A (en) * | 2020-10-20 | 2021-02-02 | 徐州成瑞建筑科技研究院有限公司 | Method for stably and safely eliminating poor stability of hot splashing steel slag aggregate by acid washing and cleaning system |
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