CN205152076U - Electrolytic manganese sediment utilization system - Google Patents
Electrolytic manganese sediment utilization system Download PDFInfo
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- CN205152076U CN205152076U CN201520843113.8U CN201520843113U CN205152076U CN 205152076 U CN205152076 U CN 205152076U CN 201520843113 U CN201520843113 U CN 201520843113U CN 205152076 U CN205152076 U CN 205152076U
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- manganese
- electrolytic manganese
- preheater
- slag
- utilization system
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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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
Abstract
The utility model relates to an industry manganese sediment disposal of resources system especially deals with the electrolytic manganese sediment utilization system of design to being the higher electrolytic manganese sediment of farine form and moisture for one kind, including hot -blast furnace, primary air fan, cyclone dust collection ware, relay fan, dust collector, waste gas fan, chimney, manganese ground -slag storehouse, combustor, it still includes dryer crusher, pre -heater, rotary kiln, cooler, utilizing stoving that dryer crusher accomplished high -moisture electrolytic manganese sediment and breaing up, the cement raw material or the composite material that become to have volcanic ash nature are prepared in the desulfurization processing that utilizes the rotary kiln of taking the pre -heater to accomplish dry manganese ground -slag, mix and realize utilization in the cement, after the desulfurization of manganese sediment, realization sulfur dioxide's recycle, let in the hot -blast furnace with the high temperature waste gas of cooler, improved dryer crusher's drying efficiency, reduced stoving heat rate and fuel quantity, also reduce follow -up exhaust -gas treatment volume, use the powdered coke as manganese sediment desulfurization reductant, improve manganese sediment desulfurization efficiency by a wide margin.
Description
Technical field
The utility model relates to a kind of industrial manganese slag disposal of resources system, particularly a kind of in finely powdered and the higher electrolytic manganese residues of moisture disposes the electrolytic manganese residues resource utilization system of design.
Background technology
Electrolytic manganese production has wet method and dry production two kinds, and electrolytic manganese production is main in a wet process, and electrolytic manganese residues is that give off through press filtration, water ratio is higher, generally more than 20% with the filtration waste residue that vitriolization manganese ore produces in electrolytic manganese production process.Electrolytic manganese residues is the black solid waste that particle is tiny, in acid or slightly acidic, and density 2-3g/cm
3, directly have higher water ratio during discharge, air storage for some time, air-dry rear particle can be reunited together.Often produce the manganese quantity of slag of 1 ton of electrolytic manganese discharge on average at about 5 tons, electrolytic manganese residues belongs to industrial pollution waste residue, a large amount of manganese slags discharges not only land occupation resource, also can contaminated soil, water resources etc., how to make its resource utilization, harmlessness disposing and utilization be pays close attention at present and the focus studied.
It is process the ideal method of trade waste that Cement clinker buring solidification is solidified with hydrated cementitious, and a lot of class industrial residue is all the object being reached thoroughly process by the method for cement solidification.The main component of electrolytic manganese residues is calcium sulfate and silicon-dioxide, other also has the material such as manganous sulfate, sulfate of ammoniac, in manganese slag, main component is sulphur, calcium, silicon, aluminium, iron etc., except sulphur, other element be all cement especially grog need element, because sulphur content is higher, directly limited as cement raw material volume, after sulphur is removed, manganese slag can be widely applied in manufacture of cement, generally with reductive agent, the sulfate radical in manganese slag is converted into sulfurous gas under the high temperature conditions and realizes manganese slag desulfurization process.
Because electrolytic manganese residues particle is comparatively thin, most particle is less than 80 microns, meets the requirement participating in chemical desulfurization reaction into rotary kiln, does not substantially need grinding, only needs to dry, break up.
Utility model content
The electrolytic manganese residues resource utilization system that technical problem to be solved in the utility model is to provide a kind of resource utilization, harmlessness disposing utilizes industrial electrolysis manganese slag.High-moisture manganese slag is dried, is broken up by it, utilizes redox reaction that manganese slag is carried out desulfurization, is then prepared into cement clinker or cement as cement raw material or blended material.
For solving the problems of the technologies described above, the utility model realizes as follows: design a kind of electrolytic manganese residues resource utilization system, comprise hotblast stove, primary air fan, cyclone, relay air blower, dust-precipitator, exhaust gas fan, chimney, manganese ground-slag storehouse, burner, it is characterized in that: also comprise drying crusher, preheater, rotary kiln, cooler; System gas circuit mode of connection: hotblast stove outlet is connected with drying crusher entrance, drying crusher outlet is connected with cyclone cylinder, cyclone cylinder outlet is connected with relay air blower entrance, relay air blower air outlet is connected with dust-precipitator entrance, dust-precipitator entrance is connected with exhaust gas fan entrance, and exhaust gas fan outlet is connected with chimney, finally discharges chimney, the hot blast that hotblast stove produces carries out heat exchange with moisture manganese slag in drying crusher, realizes manganese slag and dries; System material road mode of connection: drying crusher is connected with cyclone cylinder feed and air inlets, cyclone cylinder feed opening is connected with manganese ground-slag storehouse, manganese ground-slag storehouse is connected with preheater, preheater is connected with rotary kiln, rotary kiln is connected with cooler, finally discharges cooler, and moisture manganese slag is broken up after oven dry through drying crusher and is prepared into dry manganese ground-slag finished product, after preheater preheats, enter rotary kiln again carry out high temperature desulfurizing, during manganese slag high temperature desulfurizing, have reductive agent to participate in.
Described preheater comprises 2 ~ 5 grades of cyclone cylinders, and the most next stage cyclone cylinder of preheater is directly connected with rotary kiln.
Improve as one of the present utility model, described preheater waste gas divides two-way, and a road directly enters the acid making system that gathers dust and is connected, and a road enters relieving haperacidity dust collecting system again and is connected after air-cooler cooling.
Improve as another kind of the present utility model, described cooling machine waste gas enters hotblast stove through the second cyclone, the second relay air blower successively, and the fuel combustion of heat supply wind furnace is used.
Described reductive agent is the one or more combination in coke, sulphur, high sulphur coal, refinery coke, hard coal, coal, and reductive agent separate grinding becomes powder and sends into reductive agent storehouse.
As one change of the present utility model, described reductive agent powder and dry manganese ground-slag are mixed together in proportion into manganese ground-slag storehouse.
As another kind change of the present utility model, described reductive agent powder enters separately preheater and enters kiln material pipe, enters rotary kiln together with the dry manganese ground-slag of preheating.
Manganese ground-slag carries out Heat of Formation desulfurization manganese slag after desulphurization reaction, again after cooler cooling, can be used as cement raw material or blended material use, desulfurization manganese slag has certain Pozzolanic feature, be the suitable feedstock of cement mixture, also can be used as raw material participation batching and be prepared into cement clinker.
Positively effect of the present utility model: in technical solutions of the utility model, utilize to dry and break up the higher drying crusher of efficiency and complete the oven dry of high-moisture electrolytic manganese residues and break up, the desulfurization utilizing the rotary kiln of band preheater to complete dry manganese ground-slag is disposed, be prepared into the cement raw material or blended material with pozzolanic, mix in cement and realize recycling; After the desulfurization of manganese slag, the kiln tail gas containing sulfurous gas is carried out sulfuric acid preparation, realize the recycling of sulfurous gas; The high-temp waste gas of cooler is passed into hotblast stove, improves the flue-gas temperature of hotblast stove, thus improve the drying efficiency of drying crusher, reduce and dry hear rate and firing rate, decrease follow-up off gas treatment amount; Use coke powders etc., as manganese slag desulfurization reductive agent, significantly improve manganese slag desulfuration efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, not paying under the laborious prerequisite of creation, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of embodiment of the present utility model.
Fig. 2 is the another kind of structural representation of embodiment of the present utility model.
Fig. 3 is the another kind of structural representation of embodiment of the present utility model.
Fig. 4 is the another kind of structural representation of embodiment of the present utility model.
Fig. 5 is the another kind of structural representation of embodiment of the present utility model.
In figure, 1, hotblast stove; 2, drying crusher; 3, primary air fan; 4, cyclone; 5, relay air blower; 6, dust-precipitator; 7, exhaust gas fan; 8, chimney; 9, manganese ground-slag storehouse; 10, preheater; 11, rotary kiln; 12, cooler; 13, burner; 14, air-cooler; 15, the second cyclone; 16, the second relay air blower; 17, powder separating machine; 18, water spray system.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and illustrating for explaining the utility model, but not as to restriction of the present utility model.
A kind of electrolytic manganese residues resource utilization system as shown in Figure 1, it comprises hotblast stove (1), primary air fan (3), cyclone (4), relay air blower (5), dust-precipitator (6), exhaust gas fan (7), chimney (8), manganese ground-slag storehouse (9), burner (13), it is characterized in that: also comprise drying crusher (2), preheater (10), rotary kiln (11), cooler (12);
System gas circuit mode of connection: hotblast stove (1) outlet is connected with drying crusher (2) entrance, drying crusher (2) outlet is connected with cyclone cylinder (4), cyclone cylinder (4) outlet is connected with relay air blower (5) entrance, relay air blower (5) air outlet is connected with dust-precipitator (6) entrance, dust-precipitator (6) entrance is connected with exhaust gas fan (7) entrance, exhaust gas fan (7) outlet is connected with chimney (8), finally discharge chimney, the hot blast that hotblast stove (1) produces carries out heat exchange at the inner and moisture manganese slag of drying crusher (2), realize manganese slag to dry,
System material road mode of connection: drying crusher (2) is connected with cyclone cylinder (4) feed and air inlets, cyclone cylinder (4) feed opening is connected with manganese ground-slag storehouse (9), manganese ground-slag storehouse (9) is connected with preheater (10), preheater (10) is connected with rotary kiln (11), rotary kiln (11) is connected with cooler (12), finally discharge cooler, moisture manganese slag is prepared into dry manganese ground-slag finished product after drying crusher (2) breaks up oven dry, after preheater (10) preheating, enter rotary kiln (11) again carry out high temperature desulfurizing, reductive agent is had to participate in during manganese slag high temperature desulfurizing.
Described preheater (10) comprises 2 ~ 5 grades of cyclone cylinders, and the most next stage cyclone cylinder of preheater (10) is directly connected with rotary kiln (11).
As one conversion of the present utility model, see Fig. 2, described preheater (10) waste gas divides two-way, one tunnel directly enters the acid making system that gathers dust and is connected, one tunnel enters relieving haperacidity dust collecting system again and is connected after air-cooler (14) cooling, realizes the recycling of SO 2 in waste gas.
As another kind conversion of the present utility model, see Fig. 3, described cooler (12) waste gas enters hotblast stove (1) through the second cyclone (15), the second relay air blower (16) successively, the fuel combustion of heat supply wind furnace (1) is used, the temperature hotblast stove (1) flue gas can be improved, and then reduce drying system exhausted air quantity, reduce drying system hear rate and fuel consumption.
The reductive agent that the desulfurization of manganese slag uses is the one or more combination in coke, sulphur, high sulphur coal, refinery coke, hard coal, coal, and reductive agent separate grinding becomes powder and sends into reductive agent storehouse.Test shows, does not add reductive agent, and in rotary kiln, manganese slag high temperature desulfurizing efficiency only has about 60%, and after adding coke powder, desulfuration efficiency can bring up to more than 95%.
As another kind conversion of the present utility model, see Fig. 2, reductive agent powder and dry manganese ground-slag are mixed together into manganese ground-slag storehouse (9) in proportion, then feed preheater (10) and rotary kiln (11) in the mode of compound together.
As another kind conversion of the present utility model, see Fig. 3, preheater enters kiln material pipe place and is also provided with reductive agent powder entrance, and reductive agent powder enters separately preheater and enters kiln material pipe, enters rotary kiln (11) together with the dry manganese ground-slag of preheating from preheater.
As further improvement of the utility model, as Fig. 4, powder separating machine (17) is set between drying crusher (2) and cyclone (4), when manganese slag hardens very solid in extruding, air-dry process, when drying crusher is difficult to once be pulverized by material scattering, powder is selected through powder separating machine (17), fine powder enters cyclone (4) with air-flow and is collected as finished product, meal returns drying crusher (2) to carry out circulation and breaks up pulverizing, until meet finished product grain size just taken out of powder separating machine.
Further improvement of the utility model is implemented; water spray system (18) is added at drying crusher (2) air-out discharge port; when the blanking of manganese slag is smooth or misoperation time; go out drying crusher (2) hot blast temperature higher; when follow-up emission-control equipment, mass transport and storage can be caused to damage; water spray system (18) can be started, reduce outlet hot blast temperature, protect rearmounted equipment configuration.
Implement as further improvement of the utility model, participate in preparing burden and being prepared into cement clinker as cement raw material through cooler (12) cooled desulfurization manganese slag, or and mix in cement as blended material.
The performance that the present invention is special according to electrolytic manganese residues, give full play to drying crusher oven dry and break up function, realize the energy-conservation preparation of dry manganese ground-slag, and according to the principle of cement clinker burning system, preheater and rotary kiln combined heat, high temperature desulfurizing is taked to react, prepared by the desulfurization process and the desulfurization manganese slag that realize electrolytic manganese residues, provide basis, realize the energy-saving of manganese slag, innoxious, recycling for follow-up large dosage in cement utilizes.
Embodiment recited above is only be described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not departing under the utility model design concept prerequisite; the various modification that in this area, common engineering technical personnel make the technical solution of the utility model and improvement; all should fall into protection domain of the present utility model, the technology contents of the utility model request protection is all recorded in detail in the claims.
Claims (8)
1. an electrolytic manganese residues resource utilization system, comprise hotblast stove (1), primary air fan (3), cyclone (4), relay air blower (5), dust-precipitator (6), exhaust gas fan (7), chimney (8), manganese ground-slag storehouse (9), burner (13), it is characterized in that: also comprise drying crusher (2), preheater (10), rotary kiln (11), cooler (12);
Gas circuit mode of connection: hotblast stove (1) outlet is connected with drying crusher (2) entrance, drying crusher (2) outlet is connected with cyclone cylinder (4), cyclone cylinder (4) outlet is connected with relay air blower (5) entrance, relay air blower (5) air outlet is connected with dust-precipitator (6) entrance, dust-precipitator (6) entrance is connected with exhaust gas fan (7) entrance, and exhaust gas fan (7) outlet is connected with chimney (8);
System material road mode of connection: drying crusher (2) is connected with cyclone cylinder (4) feed and air inlets, cyclone cylinder (4) feed opening is connected with manganese ground-slag storehouse (9), manganese ground-slag storehouse (9) is connected with preheater (10), preheater (10) is connected with rotary kiln (11), and rotary kiln (11) is connected with cooler (12).
2. electrolytic manganese residues resource utilization system as claimed in claim 1, it is characterized in that: described preheater (10) is made up of 2 ~ 5 grades of cyclone cylinders, the most next stage cyclone cylinder of preheater (10) is directly connected with rotary kiln (11).
3. electrolytic manganese residues resource utilization system as claimed in claim 1 or 2, it is characterized in that: described preheater (10) waste gas outlet divides two-way, one tunnel is directly connected with the acid making system that gathers dust, and a road is connected with the acid making system that gathers dust after being connected with air-cooler (14) again.
4. electrolytic manganese residues resource utilization system as claimed in claim 1, it is characterized in that: after described cooler (12) waste gas outlet is connected with the second cyclone (15), the second relay air blower (16) successively, then be connected with hotblast stove (1).
5. electrolytic manganese residues resource utilization system as claimed in claim 1, is characterized in that: described reductive agent is the one or more combination in coke, sulphur, high sulphur coal, refinery coke, hard coal, coal.
6. the electrolytic manganese residues resource utilization system as described in claim 1 or 5, is characterized in that: the mixture that described reductive agent powder and dry manganese ground-slag are mixed in proportion is located in manganese ground-slag storehouse (9).
7. electrolytic manganese residues resource utilization system as claimed in claim 1, is characterized in that: described preheater (10) enters kiln material pipe place and is also provided with reductive agent powder entrance.
8. electrolytic manganese residues resource utilization system as claimed in claim 1, is characterized in that: described drying crusher (2) air-out discharge port is also connected with water spray system (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843113.8U CN205152076U (en) | 2015-10-28 | 2015-10-28 | Electrolytic manganese sediment utilization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843113.8U CN205152076U (en) | 2015-10-28 | 2015-10-28 | Electrolytic manganese sediment utilization system |
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| CN205152076U true CN205152076U (en) | 2016-04-13 |
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| CN201520843113.8U Active CN205152076U (en) | 2015-10-28 | 2015-10-28 | Electrolytic manganese sediment utilization system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282897A (en) * | 2019-07-22 | 2019-09-27 | 湘潭市华昇环保科技有限公司 | The joint disposal system of electrolytic manganese dioxide slag production composite blending material for concrete |
| CN110639937A (en) * | 2019-10-08 | 2020-01-03 | 安顺学院 | Comprehensive treatment method of harmless stabilized electrolytic manganese slag |
| CN110986577A (en) * | 2019-12-27 | 2020-04-10 | 湖南省小尹无忌环境能源科技开发有限公司 | Method for cooperatively treating electrolytic manganese slag by using dry-process rotary kiln cement plant production line |
-
2015
- 2015-10-28 CN CN201520843113.8U patent/CN205152076U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282897A (en) * | 2019-07-22 | 2019-09-27 | 湘潭市华昇环保科技有限公司 | The joint disposal system of electrolytic manganese dioxide slag production composite blending material for concrete |
| CN110282897B (en) * | 2019-07-22 | 2024-01-02 | 湘潭市华昇环保科技有限公司 | Comprehensive treatment system for producing composite admixture for concrete by electrolytic manganese dioxide slag |
| CN110639937A (en) * | 2019-10-08 | 2020-01-03 | 安顺学院 | Comprehensive treatment method of harmless stabilized electrolytic manganese slag |
| CN110986577A (en) * | 2019-12-27 | 2020-04-10 | 湖南省小尹无忌环境能源科技开发有限公司 | Method for cooperatively treating electrolytic manganese slag by using dry-process rotary kiln cement plant production line |
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Address after: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Zhongcai International Intelligent Technology Co.,Ltd. Address before: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING KISEN INTERNATIONAL ENGINEERING Co.,Ltd. |