CN213388289U - Multifunctional metallurgy solid waste recovery system - Google Patents
Multifunctional metallurgy solid waste recovery system Download PDFInfo
- Publication number
- CN213388289U CN213388289U CN202022127398.9U CN202022127398U CN213388289U CN 213388289 U CN213388289 U CN 213388289U CN 202022127398 U CN202022127398 U CN 202022127398U CN 213388289 U CN213388289 U CN 213388289U
- Authority
- CN
- China
- Prior art keywords
- bin
- sludge
- belt conveyor
- rubber belt
- recovery 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
Abstract
The utility model discloses a multi-functional metallurgical solid waste recovery system belongs to the solid waste utilization field. To the problem that the solid useless recovery processing cost of current metallurgy is high and work efficiency is slow, the utility model provides a solid useless recovery system of multi-functional metallurgy, it includes proportioning bins, adhesive bin and mud storehouse, and proportioning bins, adhesive bin and mud storehouse are equallyd divide and are do not connected with mixture rubber belt conveyor through feeder, and mixture rubber belt conveyor's export is connected with stock ground, powerful mixer and rotary kiln respectively, and proportioning bins, adhesive bin and mud storehouse top all are provided with the charge level indicator that shows the interior stock level value of storehouse. The utility model discloses be connected mixture rubber belt conveyor with stock ground, intensive mixer and rotary kiln respectively, make its demand through the different technologies of single system realization mixture, effectively reduced because each single processing technology sets up the economic input of different batching process facilities, reduced process energy consumption and area, practiced thrift the resource, and work efficiency is high.
Description
Technical Field
The utility model belongs to metallurgical solid waste utilizes the field, and more specifically says, relates to a useless recovery system admittedly of multi-functional metallurgy.
Background
Most of zinc in the zinc-containing raw material used in the steel production process enters iron-containing dust and sludge, and the zinc content of metallurgical solid waste is higher and higher along with the continuous increase of the using amount of galvanized steel scrap. The iron-containing components of the dust and the sludge are high, so the method is a valuable renewable resource. According to the relevant policies and the circular economy concept of the national energy-saving and environment-friendly industrial development planning, the pollution prevention and control force of the industrial solid waste is enhanced, the comprehensive utilization and disposal technology development of the industrial solidified waste is strengthened, the pollution prevention and control and policy requirements of the large amount of industrial solid waste such as smelting waste and the like are enhanced, and the iron-containing dust and the sludge are recycled after being treated. But the recycling needs to solve the difficult problem of zinc enrichment because the continuous enrichment of zinc leads to unsmooth blast furnace condition and reduced service life. At present, in the production of iron and steel enterprises, the traditional raw material treatment process is as follows: different batching processes are respectively arranged on the iron-containing and zinc-containing dust and sludge from other workshops, and low-zinc materials directly enter a stock ground to be used as sintering or pelletizing materials for ore batching; the high-zinc material is directly dehydrated by a sludge drying system and then is conveyed to a sludge proportioning bin, and other various dedusting ashes and adhesives are pneumatically conveyed into the proportioning bins by a closed tank car; the raw materials and auxiliary materials are proportioned according to a set proportion in a proportioning chamber, the proportioned mixture is subjected to wet grinding or strong mixing) and humidification, and then enters a disc pelletizer for pelletizing, and the green pellets are conveyed to the next process by a green pellet adhesive tape machine; high zinc material or directly receive the material or the sealing-tape machine is carried to different storage ore tanks through the car, hangs the material that snatchs suitable weight respectively through electric grab bucket according to the ratio of setting for and mixes at the blending bunker, and the mixture is transported to and is carried to the rotary kiln through the belt. However, the treatment process has various flows, and different batching processes are arranged according to the stock dump batching and the rotary hearth furnace or the rotary kiln, so that the economic investment, the process energy consumption and the occupied area are increased, and meanwhile, the resources are wasted and the environment is polluted; the treatment process is single, different treatment processes cannot be adopted according to different zinc-containing raw materials with different properties according to production requirements, and the adverse factors of large component fluctuation of the raw materials such as zinc-containing dust and sludge can not be easily avoided, so that the expected effect cannot be achieved.
Corresponding improvement is also carried out to the problems, for example, Chinese patent application No. CN201921549411.0, the publication date is 2020, 8 and 25, the patent discloses a recovery system of solid waste resource of metallurgical ash, which comprises: the device comprises a dissolving kettle, a reaction kettle A, a plate and frame filter A, a nanofiltration membrane concentrator, a dryer, a sulfuric acid and chemical additive storage tank and a soda storage tank; a first inlet of the dissolving kettle is connected with an outlet of ash, a second inlet of the dissolving kettle is connected with a sulfuric acid and chemical additive storage tank, and an outlet of the dissolving kettle is connected with a first inlet of the reaction kettle A; a second inlet of the reaction kettle A is connected with the soda storage tank, and an outlet of the reaction kettle A is connected with an inlet of the plate-and-frame filter A; the outlet of the plate frame filter A is connected with the inlet of the nanofiltration membrane concentrator; the outlet of the nanofiltration membrane concentrator is connected with the inlet of the dryer. The disadvantages of the patent are that: the system has a complex structure and high input cost.
For another example, chinese patent application No. CN201510081005.6, published as 2016, 10, 5, discloses a blending process and a production line before sintering for recycling solid waste, and a blending production line before sintering for recycling solid waste, which includes an ash blending workshop, a mud blending workshop, and a mixing workshop, wherein the ash blending workshop delivers quantitatively-output fly ash to the mixing workshop through a scraper conveyor, the mud blending workshop delivers quantitatively-output mud to the mixing workshop through a mud delivery pipeline, and the ash and mud are strongly stirred by a strong mixer in the mixing workshop to form a bulk blending material, which is used as a sintering spare material. The disadvantages of the patent are that: the mixed bulk blending material cannot achieve the expected effect without separate treatment according to different waste materials.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
To the problem that the metallurgical solid waste recovery processing cost is high and work efficiency is slow among the prior art, the utility model provides a useless recovery system admittedly of multi-functional metallurgy. The utility model discloses make its demand that realizes the different technologies of mixture through single system, effectively reduced because each single processing technology sets up the economic input of different batching process facilities, reduced process energy consumption and area, practiced thrift the resource, and work efficiency is high.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a multi-functional metallurgical solid waste recovery system, includes proportioning bins, adhesive bin and mud storehouse, and proportioning bins, adhesive bin and mud storehouse are equallyd divide and are connected with mixture rubber belt conveyor through feeder respectively, and mixture rubber belt conveyor's export is connected with stock ground, powerful mixer and rotary kiln respectively, and proportioning bins, adhesive bin and mud storehouse top all are provided with the charge level indicator that shows the interior charge level value of storehouse.
Furthermore, the feeding devices of the proportioning bin and the adhesive bin comprise a star-shaped ash discharge valve connected with the bin body and a proportioning scale connected with the star-shaped ash discharge valve, and a mixture rubber belt conveyor is arranged below the proportioning scale; the feeding device of the sludge bin comprises a feeding machine connected with the sludge bin and a spiral feeding scale connected with the feeding machine, and a mixture rubber belt conveyor is arranged below the spiral feeding scale.
Furthermore, bin wall vibrators are arranged at the lower ends of the bin bodies of the proportioning bin and the adhesive bin; the lower end of the sludge bin body is provided with a sliding frame arch breaking mechanism.
Furthermore, the sliding frame arch breaking mechanism comprises a sliding frame body, the sliding frame body is arranged on the guide rail, one end of the sliding frame body is arranged in the sludge bin, the other end of the sliding frame body is arranged outside the sludge bin, and the sliding frame body arranged at one end outside the sludge bin is connected with the driving piece.
Furthermore, the top of the proportioning bin, the top of the adhesive bin and the top of the sludge bin are provided with material inlets, sludge enters the material inlets through the outlet of the sludge rubber belt conveyor, and ash and the adhesive enter the material inlets through a tank car.
Furthermore, the sludge is connected with the inlet of the sludge rubber belt conveyor through a sludge conveying pipeline, and a filter is arranged on the sludge conveying pipeline.
Furthermore, the periphery of the material inlet is provided with a baffle.
Furthermore, the top of the proportioning bin and the top of the adhesive bin are both provided with bin top dust collectors.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model connects the mixture rubber belt conveyor with the stock ground, the powerful mixer and the rotary kiln respectively, so that the requirements of different processes of the mixture are realized through a single system, the economic investment of different batching process facilities set by each single processing process is effectively reduced, the process energy consumption and the occupied area are reduced, and the resources are saved; meanwhile, each material enters the mixture rubber belt conveyor through the respective bin body and the feeding device, and the work of the materials is not interfered with each other, so that the work efficiency and the stability are improved;
(2) the utility model discloses the material in proportioning bins and adhesive storehouse enters into mixture rubber belt conveyor through star-shaped unloading valve and batching scale, and mud enters into mixture rubber belt conveyor through batcher and spiral feed scale, can be quantitative select the material, makes it carry out different batching according to different technology needs, has avoided to a certain extent that zinc-containing dust, mud and so on material composition fluctuate a great deal of adverse factor, has improved the stability of mixed material;
(3) the utility model is provided with the bin wall vibrator at the lower end of the bin body of the proportioning bin and the adhesive bin, so as to avoid the materials in the bin from being bonded to block the outlet; the sludge contains more water and mud, has certain viscosity and strong adhesiveness, and is easy to block in the sludge bin;
(4) the sludge in the utility model enters the sludge bin through the sludge rubber belt conveyor, and the ash and the bonding agent enter the proportioning bin and the bonding agent bin through the sealed tank car, so that the sludge is difficult to be completely conveyed and easy to be bonded on the inner wall of the tank car without being conveyed due to the high viscosity of the sludge; different conveying modes are adopted according to the characteristics of the raw materials in the three bins, so that the working efficiency of the whole process is further improved;
(5) the utility model discloses material entry at three storehouse top is provided with the baffle all around, takes place to spill when avoiding the material to enter into the storehouse and leaks and cause the pollution to external environment, further guarantees material transportation process's sealing performance, and is provided with the filter on mud pipeline, carries out a filtration to impurity in the mud, makes its mud purity that enters into in the mud storehouse higher, guarantees that the stability of follow-up technology goes on.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a tank car; 2. a level gauge; 3. a dust remover at the top of the bin; 4. a proportioning bin; 5. a bin wall vibrator; 6. a gate valve I; 7. a star-shaped ash discharge valve; 8. a batching scale; 9. a mix belt conveyor; 10. a sludge rubber belt conveyor; 11. a discharger; 12. A filter; 13. an electronic belt scale; 14. an adhesive bin; 15. a sludge bin; 16. a carriage arch breaking mechanism; 17. a feeder; 18. a spiral feed scale; 19. and a gate valve II.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
As shown in fig. 1, the multifunctional metallurgy solid waste recovery system comprises a proportioning bin 4, an adhesive bin 14 and a sludge bin 15, wherein ash is stored in the proportioning bin 4, adhesive or fuel is stored in the adhesive bin 14, sludge is stored in the sludge bin 15, and the sludge bin 15 adopts a cylindrical fully-closed steel structure. Specifically, the top of the proportioning bin 4, the top of the adhesive bin 14 and the top of the sludge bin 15 are all provided with material inlets, sludge enters the material inlets through an outlet of the sludge rubber belt conveyor 10, and ash and adhesive enter the material inlets through the tank truck 1. Because the ash and the binder are both solid and have higher drying performance, the viscosity is not high; and the mud moisture is big and viscosity is higher, therefore mud chooses for use mud rubber belt conveyor 10 to transport to mud storehouse 15 in, and ash material and binder enter into the storehouse internally through tank car 1, selects reasonable transportation to the difference of material characteristic, and the conveying efficiency is high and avoids unnecessary cost to drop into. The proportioning bin 4, the adhesive bin 14 and the sludge bin 15 are respectively connected with a mixture rubber belt conveyor 9 through a feeding device, and the outlet of the mixture rubber belt conveyor 9 is respectively connected with a stock ground, a powerful mixer and a rotary kiln. The reason for connecting the mixture rubber belt conveyor 9 with three different devices is that one of the different processes is selected according to the zinc content range commonly contained by the three raw materials of ash, binder and sludge, when the zinc content is less than 1.7 percent, the mixture rubber belt conveyor enters a stock ground to be used as a sintering or pelletizing raw material ingredient, so that the raw material usage amount is reduced, and the material cost is reduced; when the zinc content is 1.7-3.0%, the zinc is mixed in a powerful mixer, and the powerful mixer is connected with a granulator through a buffer bin; when the zinc content is more than 3.0 percent, the zinc is used in a rotary kiln, the rotary kiln is the best process for recovering low-grade solid zinc-containing materials, the valuable metals in the zinc-containing materials are effectively recovered, and the method has good economic and social benefits. Because the ash and the sludge belong to wastes and the zinc content is rich, the zinc in the ash and the sludge needs to be recycled, and the prior art needs to independently set a corresponding subsequent recycling process according to different zinc contents of the mixture, so that the investment cost is high and the resources are wasted. And proportioning bins 4, adhesive storehouse 14 and 15 tops in mud storehouse all are provided with the charge level indicator 2 that shows the interior charge level value of storehouse, and charge level indicator 2 shows the interior charge level value of storehouse in real time, and the feed is normal in guaranteeing the storehouse, and the staff of also being convenient for in time discovers unusually to make the adjustment, improves the security and the stability of whole process.
Multifunctional metallurgy recovery system useless admittedly before beginning work, earlier carry out a composition to the material in the storehouse and detect, contain each material moisture, carbon content, zinc content, iron content isoparametric, after having confirmed the total content of zinc in the three material, select mixture rubber belt conveyor 9 and the equipment that corresponds to carry out the follow-up recovery operation that the mixture was carried and is realized the mixture. After the content of zinc is determined at the same time, the required amount of each material is correspondingly determined, and the materials are quantitatively conveyed into the mixture rubber belt conveyor 9 by the feeding device. The utility model realizes the demands of different processes of the mixture through a single system, effectively reduces the economic investment of different batching process facilities arranged by each single processing process, reduces the process energy consumption and the occupied area, and saves the resources; meanwhile, each material enters the mixture rubber belt conveyor 9 through the respective bin body and the feeding device, and the materials do not interfere with each other in working, so that the working efficiency and the stability of the materials are improved.
Specifically, the ash and the binder have similar characteristics, are solid, have strong drying property and low viscosity; the sludge has high viscosity and strong adhesiveness, so the feeding devices of the proportioning bin 4 and the adhesive bin 14 are designed into a star-shaped ash discharging valve 7 connected with the bottom of the bin body, and the star-shaped ash discharging valve 7 is responsible for conveying materials; a gate valve I6 is arranged between the bottom of the bin body and the star-shaped ash discharge valve 7 to control the output of the material at the bottom of the bin body; the batching scale 8 is connected with the star-shaped ash discharge valve 7, and the batching scale 8 performs quantitative operation on the materials, so that after the content of zinc is determined, the content of each material is determined; a mixture rubber belt conveyor 9 is arranged below the batching scale 8. The feeding device of the sludge bin 15 comprises a feeding machine 17 connected with the sludge bin 15, and the feeding machine 17 finishes the conveying of sludge; the spiral feeding scale 18 is connected with the feeding machine 17, the spiral feeding scale 18 conveys sludge quantitatively, the mixture rubber belt conveyor 9 is arranged below the spiral feeding scale 18, and the sludge in the spiral feeding scale 18 controls the start or stop of the action of the sludge entering the mixture rubber belt conveyor 9 through the gate valve II 19. Two feeder equal simple structure, the accurate and feed of feed is efficient.
Example 2
Basically the same as the embodiment 1, in order to ensure that the materials in the three bins can smoothly fall into the feeding device and cannot be blocked at the outlet of the bin body, in the embodiment, the bin wall vibrators 5 are arranged at the lower ends of the bin bodies of the proportioning bin 4 and the adhesive bin 14, and the bin wall vibrators 5 have high vibration performance, can play a good role in crushing the ash materials and the adhesives, avoid the blockage in the bin bodies from influencing the falling of the materials, and ensure the smooth operation of the whole process; the storehouse body lower extreme in sludge warehouse 15 is provided with the balladeur train and breaks hunch mechanism 16, because of containing a large amount of water and mud in the mud, and itself has high viscosity, and the adhesion of mud is stronger, consequently chooses the balladeur train to break hunch mechanism 16 and carries out a broken operation of encircleing to mud, avoids mud to take place to agglomerate in the storehouse and blocks up. Specifically, the broken mechanism 16 that encircles of balladeur train includes the balladeur train body, and the balladeur train body sets up on the guide rail, and balladeur train body one end sets up in the inside in mud storehouse 15, and the other end sets up in the outside in mud storehouse 15, and the one end balladeur train body that sets up in mud storehouse 15 outside is connected with the driving piece, the driving piece can be for common driving pieces that provide power such as pneumatic cylinder or cylinder, returns to remove through the driving piece drive balladeur train body on the guide rail and realizes the broken arch to mud, and broken arch efficiency and job stabilization nature are higher, can effectively avoid taking place blocking phenomenon in the mud storehouse. The smooth performance of the whole process is further ensured.
Example 3
The sludge is connected with the inlet of the sludge rubber belt conveyor 10 through a sludge conveying pipeline, and a filter 12 is arranged on the sludge conveying pipeline. The general blast furnace gas mud and converter OG mud of mud, mud passes through the mud pipeline transport, mud in the mud pipeline is carried to mud rubber belt conveyor 10 through tripper 11, enter into in mud storehouse 15 from mud rubber belt conveyor 10 again, consequently be provided with filter 12 on mud pipeline, filter 12 plays a filtering action to mud, can filter the impurity or other granules of the interior great piece of mud, make its mud purity that enters into mud storehouse 15 higher, can not bring the interference for follow-up technology. Meanwhile, the total zinc content of the three materials is obtained by detecting one component of the materials in the three bins before the system is used, so that the corresponding subsequent process is selected, and the proportioning of each material is selected. Therefore, the sludge conveying pipeline is also provided with the electronic belt scale 13, and the electronic belt scale 13 can accurately control the amount of sludge entering the sludge bin 15, so that the sludge conveying pipeline meets the process requirements.
Meanwhile, furthermore, baffles are arranged around the material inlet. The material is prevented from leaking and polluting the external environment when entering the bin, and the sealing performance of the material conveying process is further ensured. Simultaneously all be provided with storehouse top dust remover 3 at the top in proportioning bins 4 and adhesive storehouse 14, storehouse top dust remover 3 keeps apart and discharges the atmosphere with clean air to the interior floated dust granule of storehouse, avoids causing environmental pollution, improves entire system's leakproofness and environmental friendliness.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (8)
1. The utility model provides a useless recovery system admittedly of multi-functional metallurgy, includes proportioning bins (4), adhesive bin (14) and mud storehouse (15), and proportioning bins (4), adhesive bin (14) and mud storehouse (15) are equallyd divide and are connected its characterized in that through feeder and mixture rubber belt conveyor (9) respectively: the outlet of the mixture rubber belt conveyor (9) is respectively connected with the stock ground, the intensive mixer and the rotary kiln, and the tops of the proportioning bin (4), the adhesive bin (14) and the sludge bin (15) are all provided with a material level meter (2) for displaying the material level value in the bin.
2. The multifunctional metallurgical solid waste recovery system of claim 1, wherein: the feeding devices of the proportioning bin (4) and the adhesive bin (14) comprise a star-shaped ash discharging valve (7) connected with the bin body and a proportioning scale (8) connected with the star-shaped ash discharging valve (7), and a mixture rubber belt conveyor (9) is arranged below the proportioning scale (8); the feeding device of the sludge bin (15) comprises a feeding machine (17) connected with the sludge bin (15) and a spiral feeding scale (18) connected with the feeding machine (17), and a mixture rubber belt conveyor (9) is arranged below the spiral feeding scale (18).
3. The multifunctional metallurgical solid waste recovery system of claim 2, wherein: bin wall vibrators (5) are arranged at the lower ends of the batching bin (4) and the adhesive bin (14); the lower end of the sludge bin (15) is provided with a sliding frame arch breaking mechanism (16).
4. The multifunctional metallurgical solid waste recovery system of claim 3, wherein: the sliding frame arch breaking mechanism (16) comprises a sliding frame body, the sliding frame body is arranged on a guide rail, one end of the sliding frame body is arranged in a sludge bin (15), the other end of the sliding frame body is arranged outside the sludge bin (15), and the sliding frame body arranged at one end outside the sludge bin (15) is connected with a driving piece.
5. The multifunctional metallurgical solid waste recovery system of claim 1 or 2, wherein: the top of the proportioning bin (4), the adhesive bin (14) and the sludge bin (15) is provided with a material inlet, sludge enters the material inlet through an outlet of the sludge rubber belt conveyor (10), and ash and adhesive enter the material inlet through a tank car (1).
6. The multifunctional metallurgical solid waste recovery system of claim 5, wherein: the sludge is connected with the inlet of the sludge rubber belt conveyor (10) through a sludge conveying pipeline, and a filter (12) is arranged on the sludge conveying pipeline.
7. The multifunctional metallurgical solid waste recovery system of claim 5, wherein: the periphery of the material inlet is provided with a baffle.
8. The multifunctional metallurgical solid waste recovery system of claim 1, wherein: the top of the proportioning bin (4) and the adhesive bin (14) are both provided with a bin top dust remover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022127398.9U CN213388289U (en) | 2020-09-24 | 2020-09-24 | Multifunctional metallurgy solid waste recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022127398.9U CN213388289U (en) | 2020-09-24 | 2020-09-24 | Multifunctional metallurgy solid waste recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213388289U true CN213388289U (en) | 2021-06-08 |
Family
ID=76182348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022127398.9U Active CN213388289U (en) | 2020-09-24 | 2020-09-24 | Multifunctional metallurgy solid waste recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213388289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114133972A (en) * | 2021-12-10 | 2022-03-04 | 河南北斗众创高新技术研究院有限公司 | Modular-assembled industrial flue gas solid waste material recycling device and operation method thereof |
-
2020
- 2020-09-24 CN CN202022127398.9U patent/CN213388289U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114133972A (en) * | 2021-12-10 | 2022-03-04 | 河南北斗众创高新技术研究院有限公司 | Modular-assembled industrial flue gas solid waste material recycling device and operation method thereof |
| CN114133972B (en) * | 2021-12-10 | 2022-07-29 | 河南北斗众创高新技术研究院有限公司 | Modular-assembled industrial flue gas solid waste recycling device and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111100719B (en) | Preparation method of water-washed fly ash derived fuel | |
| CN101624637A (en) | System and method for centralized classification treatment of steel metallurgic dust mud | |
| WO2023284292A1 (en) | System and method for smelting tin-containing material | |
| CN102534220A (en) | Closed circulating and recycling method of waste lead-acid accumulator | |
| CN213388289U (en) | Multifunctional metallurgy solid waste recovery system | |
| CN102816925A (en) | Method and system for recycling iron-containing sludge | |
| CN108502884A (en) | A method of producing the grey mix and convert calcium lime powder pressure ball molding of calcium carbide furnace of calcium carbide purification | |
| CN113481346B (en) | Low-cost composite efficient heating agent for converter and preparation method thereof | |
| CN110616316A (en) | Compact dust removal ball pressing treatment system | |
| CN213596170U (en) | Production line for producing cement clinker by solid-waste blending | |
| KR0162016B1 (en) | The briquetting machine for steel scrap | |
| US9322073B1 (en) | Preparation of flux lime for a BOF converter including conversion of troublesome fines to high quality fluidized lime | |
| CN105217987A (en) | The complex slag utilizing electric arc furnace restored slag and flyash to produce and preparation technology thereof | |
| CN112029937A (en) | Comprehensive recycling and disposal process and equipment for electrolytic manganese slag | |
| CN214327822U (en) | Lead-zinc slag pellet raw material preparation system | |
| CN101972702A (en) | Comprehensive dust recycling technology and system for sintering machine head electric precipitation | |
| CN211620349U (en) | Steel mill sludge treatment system | |
| CN110669921B (en) | System and method for recycling steelmaking secondary dust removal ash | |
| CN211227270U (en) | Compact dust removal ball pressing treatment system | |
| CN102319714B (en) | Treatment process of dry method or semi-dry method smoke gas desulfurized slag | |
| AU2022200483B1 (en) | Method for recovering valuable metal from high-zinc and high-lead smelting slag | |
| CN212476837U (en) | Equipment for preparing cold-cured ball by electric furnace ash | |
| CN211570737U (en) | System for steelmaking secondary dust removal ash is dealt with to resourceization | |
| CN114057415A (en) | Multi-solid waste gel material, multi-solid waste filling material based on gel material, and preparation method and application of multi-solid waste filling material | |
| CN111116010A (en) | Steel mill sludge treatment system and utilization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |