CN103395827B - A kind of energy-saving recovery device of zinc oxide product and method - Google Patents
A kind of energy-saving recovery device of zinc oxide product and method Download PDFInfo
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- CN103395827B CN103395827B CN201310349248.4A CN201310349248A CN103395827B CN 103395827 B CN103395827 B CN 103395827B CN 201310349248 A CN201310349248 A CN 201310349248A CN 103395827 B CN103395827 B CN 103395827B
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Abstract
The invention discloses a kind of energy-saving recovery device and method of zinc oxide product, it is characterized in that, it comprises the main cold house connected successively, secondary cold house and cloth bag collecting chamber, main cold house is connected with vapor recovery warehouse, the front portion of main cold house is provided with induction trunk, induction trunk surrounding is provided with four sides membrane wall heat exchange tube sheet along wall, and main cold house postmedian arranges some row heat-exchanging tube bundles and ultrasonic generator; Some groups of heat exchange bobbin carriages are set in secondary cold house, often organize heat exchange bobbin carriage to be made up of upper and lower two heat exchange bobbin carriages, before and after first group of heat exchange bobbin carriage, both sides arrange upper, middle and lower closure plate, on front side of second group of heat exchange bobbin carriage, dividing plate is set, between lower plugging plate on rear side of first group of heat exchange bobbin carriage and dividing plate, inclined clapboard is set, multiple ultrasonic generator is set at parichnos one sidewall.Structure of the present invention is simple, and energy-conserving and environment-protective, can ensure the rate of recovery of product and the continous-stable of heat high-recovery and production.
Description
Technical field
The present invention relates to zinc oxide production technical field, relate to a kind of energy-efficient retrieving arrangement and method of zinc oxide high-temperature product more specifically.
Background technology
Zinc oxide (ZnO), is a kind of conventional chemical additive, is widely used in the making of the products such as plastics, silicate product, synthetic rubber, lubricating oil, paint, ointment, tackiness agent, food, battery, fire retardant.The band gap of zinc oxide and exciton bind energy are comparatively large, and transparency is high, have excellent normal temperature luminescent properties, in the product such as liquid-crystal display, thin film transistor, photodiode of semiconductor applications, all have application.In addition, the zinc oxide of microparticle also starts to play a role in association area as a kind of nano material.China produces more than 105 tons, the zinc oxide for industrial use every year, and production method mainly contains three approach.Indirect method: after pure metallic zinc melts in plumbago crucible, at the temperature higher than 907 DEG C (usually at about 1000 DEG C), evaporation forms the steam of zinc, steam is oxidized by oxygen generation zinc oxide in atmosphere, this oxidising process can send the reduction of glittering light simultaneous temperature, and Zinc oxide particles is collected in a dust chamber by a cooling dispatch tube subsequently.The product that this method obtains is generally the Zinc oxide particles of mean sizes 0.1 to several millimeters.Direct method: be raw material with the by product after impure zinc compound such as Calamine or metallic zinc refining, raw material first uses carbon (such as hard coal) heat reduction to generate zinc fume, and then steam indirect method is oxidized to zinc oxide.Wet chemical: a fraction of Industrial products produce zinc carbonate or zinc hydroxide precipitation with pure zinc salt solution for raw material through chemical reaction, the roasting temperature precipitated at about 800 DEG C after filtration, washing, drying obtains product.At present, by weight, most zinc oxide adopts indirect method manufacture in the world.But, the shortcoming of indirect method is adopted to be that Zinc oxide particles is collecting cooling by cooling dispatch tube, and be easily deposited on duct bottom in transmitting procedure, the rate of recovery of zinc hydroxide is low, and waste heat is not well reclaimed in process of cooling, and be directly discharged in atmospheric environment, contaminate environment.
Summary of the invention
Object of the present invention is exactly that a kind of structure of providing is simple in order to solve that direct method produces the deficiency of zinc oxide prior art; can guarantee that equipment need not shut down deashing within the cycle of operation, ensure the energy-saving recovery device of the zinc oxide product of the rate of recovery of product and the continous-stable of heat high-recovery and production.
Another object of the present invention is to provide a kind of energy saving recovery method of zinc oxide product.
The present invention adopts following technical solution to realize above-mentioned purpose: the energy-efficient retrieving arrangement of a kind of zinc oxide product, it is characterized in that, it comprises the main cold house connected successively, secondary cold house and cloth bag collecting chamber, the external zinc-oxide production apparatus in main cold house, main cold house, the bottom of secondary cold house and cloth bag collecting chamber is respectively arranged with discharge port, main cold house is connected with vapor recovery warehouse, the front portion of main cold house is provided with induction trunk, induction trunk surrounding is provided with four sides membrane wall heat exchange tube sheet along wall, main cold house postmedian arranges some row heat-exchanging tube bundles and ultrasonic generator, the heat-exchanging tube bundle often arranged is interconnected in main cold house, adjacent two row heat-exchanging tube bundles are separated by middle refractory brickwork, vapor recovery warehouse and wall heat exchange tube sheet, hot water downtake is all used between heat-exchanging tube bundle, hot water lower header and hot water upper collecting chamber, steam guide pipe connects, some groups of heat exchange bobbin carriages are set in secondary cold house, often organize heat exchange bobbin carriage to be made up of upper and lower two heat exchange bobbin carriages, before and after first group of heat exchange bobbin carriage, both sides arrange upper, middle and lower closure plate, on front side of second group of heat exchange bobbin carriage, dividing plate is set, between lower plugging plate on rear side of first group of heat exchange bobbin carriage and dividing plate, inclined clapboard is set, form parichnos one by the upper, middle and lower closure plate arranged on rear side of first group of heat exchange bobbin carriage and dividing plate, inclined clapboard, top, secondary cold house, multiple ultrasonic generator is set at parichnos one sidewall.
Further illustrating as such scheme, the ultrasonic generator of described main cold house is arranged on sidewall; The four sides membrane wall heat exchange tube sheet of described induction trunk comprises the first heat exchange tube sheet, the second heat exchange tube sheet, the 3rd heat exchange tube sheet and the 4th heat exchange tube sheet, first heat exchange tube sheet and the 3rd heat exchange tube sheet are separately positioned on induction trunk left and right sides inwall, second heat exchange tube sheet is arranged on the front inner wall of induction trunk, and the 4th heat exchange tube sheet is connected between the first heat exchange tube sheet and the 3rd heat exchange tube sheet.
Described main cold house postmedian arranges two row heat-exchanging tube bundles, often arrange totally six groups of heat-exchanging tube bundles, front air inlet channel setting has discharge bucket one, the bottom of front four groups of heat-exchanging tube bundles is respectively arranged with discharge bucket two, the bottom of rear two groups of heat-exchanging tube bundles is provided with discharge bucket three, is connected with arc-shaped transition protruding upward between adjacent two discharge buckets.
The sidewall that first group of heat exchange bobbin carriage in described cold house and the bottom of second group of heat exchange bobbin carriage are respectively arranged with discharge bucket four and discharge bucket five, first group of heat exchange bobbin carriage and the second heat exchange bobbin carriage arranges the ultrasonic generator of two or more rows from top to bottom.
Describedly between secondary cold house and cloth bag collecting chamber, arrange parichnos two, cloth bag collecting chamber is connected with pulse gas tank.
The top of described cloth bag collecting chamber is provided with the pressurized gas passage be connected with pulse gas tank, and this pressurized gas passage is provided with multiple pressurized air and gives vent to anger head, provide pressurized gas by pulse gas tank, air pressure is 0.5MPa ~ 0.8MPa.
Blanking machine is provided with below the discharge port of cloth bag collecting chamber.
A kind of energy-saving reclaiming process of zinc oxide product, it is characterized in that, it is that Zinc oxide particles air-flow is first passed into multi-level Product recovery system, reclaim heat and pulse ultrasonic wave automatic dust collection by heat transfer tube, then introduce pressurized air by cloth bag collecting system and quick collection is carried out to Zinc oxide particles product.
In described heat recuperation and pulse ultrasonic wave automatic dust collection process, first the zinc oxide product high temperature gas flow of 700-800 DEG C that zinc-oxide production apparatus exports is delivered to the main cold house of multi-level Product recovery system, secondary cold house successively, the water-in of 20-30 DEG C of soft water from the heat transfer tube of secondary cold house is introduced, flow through time cold house and main cold house carries out heat exchange successively, simultaneously, pulse ultrasonic wave automatic dust collection device operates, and the partial oxidation zinc product be adsorbed on main cold house, secondary cold house heat transfer tube is shaken off discharge port and collects.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts the mode increasing product cooling room to reclaim the heat of the high temperature oxidation zinc product air-flow produced through zinc-oxide production apparatus, and to be freezed but media by reinforcement, and expedite product cooling is reclaimed; Arrange main cold house, secondary cold house and air box impulse cloth bag reclaim room, and product, through repeatedly the multistage reclaims, can improve product recovery rate, and through test of many times statistics, product recovery rate reaches more than 97.5%, rises 4.0% on year-on-year basis.
2, the present invention installs impulse ultrasound wave producer additional in main cold house and secondary cold house; guarantee that equipment need not shut down deashing within the cycle of operation; keep the heat transfer effect that heat-transfer surface is good; ensure the rate of recovery of product and the continous-stable of heat high-recovery and production, produce zinc oxide recovery heat per ton and reach 1.46 tons of mark coals.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is of the present invention cold room structure schematic diagram;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is process flow sheet of the present invention.
Description of reference numerals: 1, main cold house 1-1, first group of heat-exchanging tube bundle
1-2, second group of heat-exchanging tube bundle 1-3, the 3rd group of heat-exchanging tube bundle
1-4, the 4th group of heat-exchanging tube bundle 1-5, the 5th group of heat-exchanging tube bundle
1-6, the 6th group of heat-exchanging tube bundle 1-7, membrane wall heat exchange tube sheet
1-7a, the first heat exchange tube sheet 1-7b, the second heat exchange tube sheet
1-7c, the 3rd heat exchange tube sheet 1-7d, the 4th heat exchange tube sheet
1-8, hot water downtake 1-9, hot water lower header
1-10, hot water upper collecting chamber 1-11, steam guide pipe
1-12, middle refractory brickwork
2, secondary cold house
2-1, first group of heat exchange bobbin carriage 2-1a, upper heat exchange bobbin carriage 2-1b, lower heat exchange bobbin carriage
2-2, second group of heat exchange bobbin carriage 2-2a, upper heat exchange bobbin carriage 2-2b, lower heat exchange bobbin carriage
3, cloth bag collecting chamber 4, zinc-oxide production apparatus
5-1,5-2,5-3,5-4,5-5, discharge bucket 6, ultrasonic generator
7, vapor recovery warehouse 8-1, upper plugging plate 8-2, middle closure plate 8-3, lower plugging plate 9, dividing plate 10, inclined clapboard
11-1, induction trunk 11-2, parichnos one 11-3, parichnos 2 12, pulse gas tank 13, pressurized gas passage 14, pressurized air give vent to anger 15, blanking machine 16, arc-shaped transition.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is described in further detail.
As shown in Figure 1-Figure 3, the present invention is a kind of energy-saving recovery device of zinc oxide product, it comprise connect successively main cold house 1, secondary cold house 2 and cloth bag collecting chamber 3, the external zinc-oxide production apparatus 4 in main cold house 1, the bottom of main cold house 1, secondary cold house 2 and cloth bag collecting chamber 3 is respectively arranged with discharge port, main cold house two several impulse ultrasound wave producers 6 of side, main cold house 1 is connected with vapor recovery warehouse 7.The front portion of main cold house is provided with induction trunk 11-1, induction trunk arranges four sides membrane wall heat exchange tube sheet 1-7, first heat exchange tube sheet 1-7a, the second heat exchange tube sheet 1-7b, the 3rd heat exchange tube sheet 1-7c and the 4th heat exchange tube sheet 1-7d, first heat exchange tube sheet 1-7a and the 3rd heat exchange tube sheet 1-7c is separately positioned on the left and right inwall of uptake one, second heat exchange tube sheet 1-7b is arranged on the inwall of the front side of uptake, and the 4th heat exchange tube sheet 1-7d to be connected between the first heat exchange tube sheet 1-7a and the 3rd heat exchange tube sheet 1-7c on rear side of uptake.Main cold house postmedian arranges two row heat-exchanging tube bundles, often arrange totally six groups of heat-exchanging tube bundles 1-1,1-2,1-3,1-4,1-5,1-6 in indoor connection, two row heat-exchanging tube bundles are separated by middle refractory brickwork 1-12, and vapor recovery warehouse 7 and heat exchange tube sheet 1-7, heat-exchanging tube bundle 1-1 ~ 1-6 all connect with hot water downtake 1-8, hot water lower header 1-9 and hot water upper collecting chamber 1-10, steam guide pipe 1-11.Arrange two groups of heat exchange bobbin carriages 2-1,2-2 in secondary cold house, first group of heat exchange bobbin carriage 2-1 is made up of upper and lower two heat exchange bobbin carriages 2-1a, 2-1b; Second group of heat exchange bobbin carriage 2-2 is made up of upper and lower two heat exchange bobbin carriages 2-2a, 2-2b.Wherein, before and after first group, secondary cold house heat exchange bobbin carriage 2-1, both sides arrange upper, middle and lower closure plate 8-1,8-2,8-3, upper, be middlely provided with interval one between closure plate 8-1,8-2, upper heat exchange bobbin carriage is just to interval one, and the width at interval one is consistent with the height of upper heat exchange bobbin carriage; In, be provided with interval two between lower plugging plate 8-2,8-3, lower heat exchange bobbin carriage is just to interval two, and the width at interval two is consistent with the height of lower heat exchange bobbin carriage.On front side of second group, secondary cold house heat exchange bobbin carriage 2-2, dividing plate 9 is set.Between the lower plugging plate 8-3 and dividing plate 9 of first group of heat exchange bobbin carriage 2-1, inclined clapboard 10 is set.Form parichnos one 11-2 by closure plate 8-1,8-2, the 8-3 on rear side of first group, secondary cold house heat exchange bobbin carriage 2-1 and dividing plate 9, inclined clapboard 10, top, secondary cold house, multiple ultrasonic generator 6 is set at parichnos one 11-2 sidewall.Between secondary cold house and cloth bag collecting chamber, arrange parichnos two 11-3, cloth bag collecting chamber 3 is connected with pulse gas tank 12, provides pressurized gas by pulse gas tank, and air pressure is 0.5MPa ~ 0.8MPa.The top of cloth bag collecting chamber is provided with the pressurized gas passage 13 be connected with pulse gas tank, this pressurized gas passage 13 is provided with multiple pressurized air and gives vent to anger 14; Blanking machine 15 is provided with below the discharge port of cloth bag collecting chamber.
The present invention increasing heat interchanging area by extending gas passage, increasing the reasonable disposition of heat-eliminating medium and multiple ultrasonic generator, reclaims the Zinc oxide particles in the zinc oxide air-flow entering main cold house 1 and time cold house 2 and gas heat as much as possible.
As shown in Figure 4, the recovery method corresponding with the energy-saving recovery device of described zinc oxide, it is that zinc oxide gas is first passed into multi-level Product recovery system, reclaim heat and ultrasonic pulse device automatic dust collection by heat transfer tube, then introduce pressurized air by cloth bag collecting system and quick collection is carried out to Zinc oxide particles product.
In described heat recuperation and ultrasonic pulse device automatic dust collection process, first the zinc oxide product high temperature gas flow of 750 DEG C that zinc-oxide production apparatus exports is delivered to the main cold house of multi-level Product recovery system, secondary cold house successively, the water-in of 25 DEG C of soft water from the heat transfer tube of secondary cold house is introduced, flow through main cold house and carry out heat exchange, simultaneously, ultrasonic pulse device operates, and the partial oxidation zinc product be adsorbed in main cold house, secondary cold house is shaken off discharge port and collects.Zinc oxide product air-flow is after the heat exchange of main cold house, secondary cold house, the temperature of air-flow drops to 150 DEG C, and finally enter cloth bag collecting system, by passing into pressurized air in the filter bag of cloth bag collecting system, realize carrying out quick collection to Zinc oxide particles product.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. the energy-saving recovery device of a zinc oxide product, it is characterized in that, it comprises the main cold house connected successively, secondary cold house and cloth bag collecting chamber, the external zinc-oxide production apparatus in main cold house, main cold house, the bottom of secondary cold house and cloth bag collecting chamber is respectively arranged with discharge port, main cold house is connected with vapor recovery warehouse, the front portion of main cold house is provided with induction trunk, induction trunk surrounding is provided with four sides membrane wall heat exchange tube sheet along wall, main cold house postmedian arranges some row heat-exchanging tube bundles and ultrasonic generator, the heat-exchanging tube bundle often arranged is interconnected in main cold house, adjacent two row heat-exchanging tube bundles are separated by middle refractory brickwork, vapor recovery warehouse respectively with wall heat exchange tube sheet, hot water downtake is used between heat-exchanging tube bundle, hot water lower header and hot water upper collecting chamber, steam guide pipe connects, some groups of heat exchange bobbin carriages are set in secondary cold house, often organize heat exchange bobbin carriage to be made up of upper and lower two heat exchange bobbin carriages, before and after first group of heat exchange bobbin carriage, both sides arrange upper, middle and lower closure plate, on front side of second group of heat exchange bobbin carriage, dividing plate is set, between lower plugging plate on rear side of first group of heat exchange bobbin carriage and dividing plate, inclined clapboard is set, form parichnos one by the upper, middle and lower closure plate arranged on rear side of first group of heat exchange bobbin carriage and dividing plate, inclined clapboard, top, secondary cold house, multiple ultrasonic generator is set at parichnos one sidewall.
2. the energy-saving recovery device of a kind of zinc oxide product according to claim 1, is characterized in that, the ultrasonic generator of described main cold house is arranged on sidewall.
3. the energy-saving recovery device of a kind of zinc oxide product according to claim 1, it is characterized in that, the four sides membrane wall heat exchange tube sheet of described induction trunk comprises the first heat exchange tube sheet, the second heat exchange tube sheet, the 3rd heat exchange tube sheet and the 4th heat exchange tube sheet, first heat exchange tube sheet and the 3rd heat exchange tube sheet are arranged on induction trunk sidewall in opposite directions, second heat exchange tube sheet is arranged on the inwall of the end of induction trunk, and the 4th heat exchange tube sheet is connected between the first heat exchange tube sheet and the 3rd heat exchange tube sheet.
4. the energy-saving recovery device of a kind of zinc oxide product according to claim 1, it is characterized in that, described main cold house postmedian arranges two row heat-exchanging tube bundles, often arrange totally six groups of heat-exchanging tube bundles, induction trunk is provided with discharge bucket one, the bottom of front four groups of heat-exchanging tube bundles is respectively arranged with discharge bucket two, and the bottom of rear two groups of heat-exchanging tube bundles is provided with discharge bucket three, is connected with arc-shaped transition protruding upward between adjacent two discharge buckets.
5. the energy-saving recovery device of a kind of zinc oxide product according to claim 1, it is characterized in that, the sidewall that first group of heat exchange bobbin carriage in described cold house and the bottom of second group of heat exchange bobbin carriage are respectively arranged with discharge bucket four and discharge bucket five, first group of heat exchange bobbin carriage and the second heat exchange bobbin carriage arranges the ultrasonic generator of two or more rows from top to bottom.
6. the energy-saving recovery device of a kind of zinc oxide product according to claim 1, is characterized in that, describedly between secondary cold house and cloth bag collecting chamber, arranges parichnos two, and cloth bag collecting chamber is connected with pulse gas tank.
7. the energy-saving recovery device of a kind of zinc oxide product according to claim 6, is characterized in that, the top of described cloth bag collecting chamber is provided with the pressurized gas passage be connected with pulse gas tank, this pressurized gas passage is provided with multiple pressurized air and gives vent to anger head.
8. the energy-saving recovery device of a kind of zinc oxide product according to claim 1, is characterized in that, is provided with blanking machine below the discharge port of cloth bag collecting chamber.
9. an energy saving recovery method corresponding with the energy-saving recovery device of the zinc oxide product described in claim 1-8 any one, it is characterized in that, it is that zinc oxide gas is first passed into multi-level Product recovery system, reclaim heat and ultrasonic pulse device automatic dust collection by heat transfer tube, then introduce pressurized air by cloth bag collecting system and quick collection is carried out to Zinc oxide particles product.
10. the energy saving recovery method of zinc oxide product according to claim 9, it is characterized in that, in described heat recuperation and ultrasonic pulse device automatic dust collection process, it is the main cold house first the zinc oxide product high temperature gas flow of 700-800 DEG C that zinc-oxide production apparatus exports being delivered to successively multi-level Product recovery system, secondary cold house, the water-in of 20-30 DEG C of soft water from the heat transfer tube of secondary cold house is introduced, flow through main cold house and carry out heat exchange, impulse ultrasound wave producer running simultaneously, main cold house will be adsorbed on, zinc oxide product above secondary cold house heat transfer tube shakes off discharge port and collects.
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| CN201310349248.4A CN103395827B (en) | 2013-08-12 | 2013-08-12 | A kind of energy-saving recovery device of zinc oxide product and method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104709716A (en) * | 2015-03-11 | 2015-06-17 | 张家港市双龙氧化锌厂 | High-temperature powder conveying and guiding-out device |
| CN111204795A (en) * | 2020-02-25 | 2020-05-29 | 兴化市庆丰锌品有限公司 | Indirect zinc oxide self-heating production system |
| CN111233026A (en) * | 2020-02-25 | 2020-06-05 | 兴化市庆丰锌品有限公司 | Indirect method zinc oxide preparation device and preparation method thereof |
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| CN101191150A (en) * | 2007-05-29 | 2008-06-04 | 六盘水四维三友工贸有限公司 | Comprehensive utilization method for blast furnace gas mud and combustion furnace for processing |
| CN201400712Y (en) * | 2009-04-15 | 2010-02-10 | 韩江霖 | Zinc dust recovering and extracting device |
| CN201420025Y (en) * | 2009-04-29 | 2010-03-10 | 永州市天元化工有限责任公司 | Continuous production system for producing nano and active zinc oxide by ammonia process |
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| CN203568868U (en) * | 2013-08-12 | 2014-04-30 | 广东智雄新能源有限公司 | Energy-saving recycling device of zinc oxide products |
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Patent Citations (5)
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| CN101191150A (en) * | 2007-05-29 | 2008-06-04 | 六盘水四维三友工贸有限公司 | Comprehensive utilization method for blast furnace gas mud and combustion furnace for processing |
| CN201400712Y (en) * | 2009-04-15 | 2010-02-10 | 韩江霖 | Zinc dust recovering and extracting device |
| CN201420025Y (en) * | 2009-04-29 | 2010-03-10 | 永州市天元化工有限责任公司 | Continuous production system for producing nano and active zinc oxide by ammonia process |
| CN202581270U (en) * | 2012-05-08 | 2012-12-05 | 许荣根 | Multistage adjustable waste heat recovery device with high efficiency and low resistance |
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