CN105371653A - Vertical zinc oxide smelting furnace - Google Patents
Vertical zinc oxide smelting furnace Download PDFInfo
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- CN105371653A CN105371653A CN201510585740.0A CN201510585740A CN105371653A CN 105371653 A CN105371653 A CN 105371653A CN 201510585740 A CN201510585740 A CN 201510585740A CN 105371653 A CN105371653 A CN 105371653A
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Abstract
The invention relates to the technical field of kilns, in particular to a vertical zinc oxide smelting furnace. The vertical zinc oxide smelting furnace comprises a smelting furnace body. The smelting furnace body comprises a vertical main furnace body of a cylindrical structure. A feeding port is formed in the main furnace body, and a slag discharging port is formed in the bottom of the main furnace body. An inner cavity of the main furnace body is divided into an upper independent cavity body, a middle independent cavity body and a lower independent cavity body through two pipe plates which are horizontally arranged. The two pipe plates are connected through a vertical discharging pipe and then enable the upper cavity body and the lower cavity body to be communicated. Exhaust ports are formed in the side walls of the middle cavity body and the lower cavity body, and the two exhaust ports are communicated with a first side chamber. An external air inlet is formed in the position, above the exhaust port, of the side wall of the middle cavity body, and a discharging port used for outputting zinc oxide is formed in the opposite side wall of the middle cavity body. By means of the technical scheme, the vertical zinc oxide smelting furnace has the continuous operation capability and is provided with a waste heat recycling mechanism, heat energy generated by the furnace is sufficiently utilized for meeting self needs, environment friendliness and economical efficiency are achieved, production cost is reduced, and production efficiency is improved.
Description
Technical field
The present invention relates to kiln technical field, be specifically related to a kind of vertical zinc oxide smelting furnace.
Background technology
Direct method is smelted zinc oxide and is generally used horizontal or vertical smelting furnace, and the latter is also known as cartridge type smelting furnace.Because vertical smelting furnace is not yet resolved in many technical problems, as the temperature to burning zone and reducing zone regulation and control, to volatile matter (being mainly hydrocarbon) in fuel nodulizing remove in advance and to charging, deslagging, go out the technical finesse etc. that Realization of Product runs continuously, therefore China's direct method produces smelting furnace that zinc oxide uses based on horizontal grate firing handwarmer at present.Using this stove to produce zinc oxide is that the dimension introduced from New Jersey Xin Ye company for 1938 is cut rel method and improved, its operation method generally includes following several stages: 1) on siege, add ground coal, comprise anthracite or coking coal, utilize the waste heat in burner hearth to ignite; 2) zinc oxide nodulizing is dropped into, preheating discharging waste gas (hydrocarbon); 3) production of zinc oxide and collection; 4) slag after smelting is removed.Production and the collection of zinc oxide are all periodicity, discontinuous, can not carry out incessantly by continous-stable.Thus hinder the raising of zinc oxide production efficiency.
Market needs one can run continuously, from zinc oxide nodulizing, directly extract smelting equipment and the method for zinc oxide.
Summary of the invention
The object of the invention is to, a kind of vertical zinc oxide smelting furnace is provided, solves above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of vertical zinc oxide smelting furnace, comprise smelting furnace body, it is characterized in that, described smelting furnace body comprises the main furnace body of vertical barrel structure always, the slag-drip opening that described main furnace body is provided with charging aperture for inputting zinc oxide nodulizing at top, main furnace body discharged by the bottom waste residue be provided with for producing in smelting process;
One first tube sheet group is provided with in described main furnace body, the tube sheet that described first tube sheet group is arranged in main furnace body by upper and lower two block gap certain distances forms, two pieces of tube sheet levels are horizontally placed on after in main furnace body and main furnace body internal chamber are separated into upper, middle and lower three separate chamber, wherein, the top of upper strata tube sheet is upper chamber, the below of lower floor's tube sheet is lower chamber, be middle part chamber between two pieces of tube sheets, two pieces of tube sheets are connected by the material blanking tube vertically arranged, described material blanking tube UNICOM upper chamber and lower chamber, zinc oxide nodulizing is admitted in upper chamber from charging aperture and carries out preheating, to remove low-melting-point metal dregs contained in nodulizing and volatile matter, zinc oxide nodulizing after being preheated falls into after lower chamber is fully reacted via material blanking tube and is reduced into zinc fume,
The middle part sidewall of chamber and the sidewall of lower chamber are equipped with the exhaust outlet be convenient to zinc fume and come in and gone out, two other rooms of the equal UNICOM one first of described exhaust outlet, the zinc fume being reduced generation after being reacted by zinc oxide nodulizing in lower chamber is discharged from the exhaust outlet of lower chamber, center lumen indoor are entered from the exhaust outlet of middle part chamber behind the first other room, the sidewall of middle part chamber is also provided with the outside air inlet be convenient to extraneous air and entered, described outside air inlet is positioned at directly over the chamber exhaust outlet of middle part, be convenient to zinc fume enter middle part chamber time contact with the air that outside air inlet enters after there is oxidation reaction, thus generation zinc oxide, in oxidation reaction, liberated heat is for heating the material blanking tube being interspersed in center lumen indoor, be convenient to carry out preheating to the material fallen in material blanking tube, that is to say, zinc oxide nodulizing is in upper chamber after preheating, also again can heat in material blanking tube,
The sidewall that described center lumen indoor are positioned at exhaust outlet subtend is provided with discharging opening, exports for the zinc oxide will generated by oxidation reaction in it.
Described material blanking tube is provided with at least two, and at least two spaced certain distances of described material blanking tube are arranged at center lumen indoor vertically, the upper end open UNICOM upper chamber of arbitrary material blanking tube, lower ending opening UNICOM lower chamber.
The exhaust outlet of middle part chamber sidewall described in UNICOM after the top upward opening of the described first other room, the top of the first other room is also provided with one for the zinc fume entered in it being cooled rapidly the quenching apparatus of rear liquefy zinc, described quenching apparatus adopts the fountain quenching apparatus at the plumbous rain of the first other indoor manufacture after a coating liquid lead, it is positioned at the first other open-topped side, room, one is provided with for collecting the zinc ingot metal pond of the rear liquid Zn generated of cooling rapidly bottom first other room, liquid lead is filled in advance in described zinc ingot metal pond, the side in zinc ingot metal pond is provided with and leads to outside overfall, for collecting liquid Zn, described liquid lead coordinates described zinc ingot metal pond to form a fluid-tight structure, namely cooled liquid Zn falls in zinc ingot metal pond, density due to zinc is less than plumbous density, therefore after liquid Zn finally floats on the upper strata of the liquid lead in zinc ingot metal pond, its liquid level face is higher than overfall, make formation one fluid-tight structure, the first other indoor uncooled zinc fume is avoided to escape out the first other room from overfall, liquid Zn forms zinc ingot metal after cooling after overfall overflows.
The other room of the external UNICOM one second of described discharging opening, the described second other room for collect discharge zinc oxide after it is cooled, so that obtained oxide powder and zinc;
Described second other indoor are provided with the second tube sheet group, the tube sheet that described second tube sheet group is arranged in the second other chamber interior chamber by upper and lower two block gap certain distances forms, the internal chamber of the second other room is divided into upper, middle and lower three section chambers by the second tube sheet component, two pieces of tube sheets of described second tube sheet group are connected by an air inlet duct road, the upper chamber of the second other room described in described air inlet duct road UNICOM and lower chamber, the bottom of the lower chamber of the described second other room is provided with air inlet, for inputting fresh air or pure oxygen;
A hot-air output channel is provided with in the upper chamber of the described second other room, for the hot-air after heating being outputted to the outside of the second other room, the upper end of described hot-air output channel connect UNICOM's upper chamber after the upper strata tube sheet of the second other room, lower end through behind the bottom of lower floor's tube sheet and lower chamber with extraneous UNICOM;
The middle part chamber of the described second other room passes through the middle part chamber of the discharging opening UNICOM main furnace body of chamber in the middle part of described main furnace body, the sidewall of the middle part chamber of the described second other room is provided with another discharging opening, another discharging opening described is positioned on the sidewall of the second other room of the subtend of the second other room and main furnace body connection position, is convenient to externally export cooled zinc oxide product.
In the course of work of the present invention, the zinc oxide that main furnace body generates is admitted to the middle part chamber of the second other room, heat exchange is carried out with the outer wall in air inlet duct road in the process flowing to second other another indoor discharging opening, by the fresh air heating of circulating in it, thus take away the heat of self, export from another discharging opening after zinc oxide cools gradually, enter after waste heat boiler cools further and be collected.
Second other indoor described air inlet duct road is at least provided with two.
A temperature control device is provided with in the lower chamber of described main furnace body, for regulating the reaction temperature of main furnace body lower chamber, zinc oxide nodulizing is made to react more abundant, prevent because reaction temperature is too high or too low and cause affecting operating mode, can inner operating be destroyed when ignition temperature exceedes ash fusion point and affect the direct yield of zinc oxide;
Described temperature control device comprises a hot-air input channel, and one end of described hot-air input channel is stretched in the lower chamber of described main furnace body, the other end is provided with and outreaches joint for what connect hot outside source.
The described hot-air output channel outreaching the other room of joint connection second on described hot-air input channel, to be recycled in the reduction process of zinc oxide by zinc oxide cooling procedure by the heat energy of the hot-air heated, the reaction of accelerated oxidation zinc nodulizing.
Describedly outreach the joint that joint is three-port structure, which is provided with two inputs and an output, output connects described hot-air input channel, an input connects the described hot-air output channel of the second other room, another input connects external heat vapour source, to carry out control inputs to the hot air temperature in main furnace body lower chamber by conveying vapours, prevent it from exceeding ash fusion point and destroy the operating mode of main furnace body lower chamber, affecting the direct yield of product.
The described hot-air output channel of the second other room is provided with a heater, preferred electrically heated heater, for the hot-air not reaching estimating temperature is heated again, prevent its temperature too low and affect the smelting speed of zinc oxide, reducing the production efficiency of zinc oxide.
The part stretched in main furnace body lower chamber of described hot-air input channel is positioned at the bottom of main furnace body lower chamber, and be positioned at the top of described slag-drip opening, the part stretched in main furnace body lower chamber of described hot-air input channel connects jet injection apparatus upward, for being spurted into equably in main furnace body lower chamber by hot-air by a vertical bypass duct upward.
The jet face of described injection apparatus is taper seat, and described jet face has at least two described jets with radial distribution, and the injection direction of arbitrary described jet is vertical with taper seat.
The sidewall of described upper chamber is provided with an outlet port, and for discharging out of the furnace producing certain waste gas based on hydrocarbon in warm, the waste gas produced is coke-stove gas, for collecting rear recycling.
Described outlet port UNICOM one exhaust emission tube road, described exhaust emission tube road is provided with one and controls the drain tap of extraction flow by regulating aperture, not only externally coke-stove gas can be exported by arranging drain tap, also can be mated after pressure-detecting device is set in main furnace body, then the internal pressure of main furnace body is regulated, realize the Automated condtrol effect of boiler operatiopn.
Described drain tap preferably adopts magnetic valve.
The bottom of described slag-drip opening connects a waste residue collecting pit.
Be provided with a slag-draining device between described waste residue collecting pit and described slag-drip opening, while guaranteeing main furnace body sealing, more effectively get rid of slag charge.
The slag-draining device that described slag-draining device adopts the slag-draining device of screw slag tap structure, pumping board slags tap structure, scraper plate are slagged tap any one slagging tap in the slag-draining device of structure in the slag-draining device of structure, artificial grey room, and concrete structure and type selecting decide according to on-the-spot place and body of heater size.
Described charging aperture place is provided with pair of lamina bell sealing feeder, is convenient to interlock reinforced process, and double-deck bell interlocks charging aperture and upper chamber, prevents the waste gas produced in upper chamber from escaping from charging aperture and polluting external environment.
Described material blanking tube in main furnace body and the second other indoor described air inlet duct road all adopt carborundum or heat resisting steel to make, preferred heat resisting steel.
The present invention has the function of zinc processed and hydrogen manufacturing, and wherein, zinc function processed is divided into the function produced zinc ingot metal or produce zinc powder, and concrete operation step is as follows:
1) zinc powder is produced: close the first other indoor quenching apparatus, close overfall, close outside air inlet, middle part chamber is made to have oxygen supply, thus zinc fume one road making lower chamber generate flows through the first other room, middle part chamber, the second other room, is cooled to zinc powder gradually in the process of circulation;
2) produce zinc ingot metal: open quenching apparatus, open overfall, close outside air inlet, make zinc fume form liquid Zn after the first other indoor are cooled rapidly by quenching apparatus and fall into zinc ingot metal pond, after flowing out through overfall, be cooled to zinc ingot metal;
3) hydrogen making: close quenching apparatus, close overfall, close outside air inlet, another discharging opening of second other room is connected a waste heat boiler, described waste heat boiler connects an equipment for separation of gases, burn in input main furnace body after nodulizing being replaced by common coal group, outreach on joint and connect for the interface connecting external heat vapour source the outside device for producing hydrogen that utilizes hydrogen making after electrolysis or pyrolytic water, for carrying the mist of hydrogen and oxygen under the environment keeping high temperature in the lower chamber of main furnace body, thus hydrogen is obtained in lower chamber, carbon monoxide and methane, three kinds of gas and vapor permeation are together via the first other room, middle part chamber, waste heat boiler is outputted to for cooling behind second other room, three kinds of gases after cooling utilize gas density difference to be separated one by one in equipment for separation of gases, thus obtain hydrogen respectively, carbon monoxide and methane.
The present invention is in the step preparing hydrogen, owing to being separated the hydrogen for preparing through outside device for producing hydrogen and oxygen is mist, and recombine when uniform temperature as water, therefore more difficult separation, under this prerequisite, the mist of hydrogen and oxygen inputs in lower chamber when being kept above its binding site temperature by the present invention, via burning by oxygen depletion wherein, obtain in this course and comprise hydrogen, carbon monoxide and methane three kinds of gases, these three kinds of gases are independent stable gas, reaction cannot be produced after temperature reduces, then by lowering the temperature after residual heat boiler for exchanging heat after another discharging opening of these three kinds of gases mixed room by second being exported, the character utilizing three kinds of gas densities different after passing into equipment for separation of gases is again separated one by one, carry out storing and utilizing after exporting respectively, the hydrogen that the present invention obtains is due to comparatively pure, the hydrogen fuel cell direct generation of electricity can be utilized, its energy conversion rate can reach 75%, obtained methane and carbon monoxide all can as fuel.
Zinc oxide nodulizing employing cross section of the present invention is the nodulizing of regular hexagon structure, its overall structure is a cross section is orthohexagonal straight cylinder, that is to say, it is the nodulizing of positive six column structures, through-hole structure on it is positive six cylinders identical with positive six column structures of nodulizing entirety, and the thickness of the nodulizing wall at interval between adjacent through-holes is all equal, nodulizing structure of the present invention is improved via legacy cellular coal nodulizing structure and is formed, retain the through-hole structure of legacy cellular coal nodulizing, legacy cellular coal nodulizing is overall in upright cylinder-like structure, and through-hole structure is also cylinder, because between each through hole, the nodulizing wall thickness at interval is unequal everywhere, accordingly in uneven state when making it to burn, nodulizing structure of the present invention not only increases the intensity of nodulizing, make it to transport and not easily fragmentation in feeding process in stove at material, and due to the consistency of thickness of the nodulizing wall between adjacent through-holes, make combustion even with abundant, in addition, nodulizing of the present invention is easy to reduce the space produced when adjacent nodulizing is piled up when blanking is piled up, not only make to pile up more nodulizing in the container cavity of same volume, can also the thermal current of burning fully be imported in nodulizing through hole, help to make burning more all fully even.
Beneficial effect: owing to adopting technique scheme, the present invention has continuous operations ability, can smelt zinc oxide continuously; And possess waste heat recovery mechanism, the heat energy produced when making full use of equipment self work is to supply self-demand, and both environmental protection, economy, decreases production cost, improve production efficiency again.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
With reference to Fig. 1, a kind of vertical zinc oxide smelting furnace, comprise smelting furnace body, smelting furnace body comprises the main furnace body of vertical barrel structure always, main furnace body side is provided with the first other room, the slag-drip opening 71 that main furnace body is provided with charging aperture for inputting zinc oxide nodulizing at top, main furnace body discharged by the bottom waste residue be provided with for producing in smelting process, the bottom of slag-drip opening 71 connects a waste residue collecting pit 72.Be provided with the spiral slag-draining device of fluid-tight structure between waste residue collecting pit 72 and slag-drip opening 71, while guaranteeing main furnace body sealing, more effectively get rid of slag charge.Charging aperture place is provided with pair of lamina bell sealing feeder 61.The first tube sheet group is provided with in main furnace body, the tube sheet that first tube sheet group is arranged in main furnace body by upper and lower two block gap certain distances forms, two pieces of tube sheet levels are horizontally placed on after in main furnace body and main furnace body internal chamber are separated into upper, middle and lower three separate chamber, the top of upper strata tube sheet is upper chamber 11, the below of lower floor's tube sheet is lower chamber 21, be middle part chamber between two pieces of tube sheets, two pieces of tube sheets are connected by the material blanking tube 31 vertically arranged, material blanking tube 31 UNICOM upper chamber 11 and lower chamber 21, zinc oxide nodulizing is admitted in upper chamber 11 from charging aperture and carries out preheating, to remove low-melting-point metal dregs contained in nodulizing and volatile matter, zinc oxide nodulizing after being preheated falls into after lower chamber 21 is fully reacted via material blanking tube 31 and is reduced into zinc fume, the sidewall of middle part chamber is provided with exhaust outlet 41, and the sidewall of lower chamber is provided with exhaust outlet 42, two other rooms of the equal UNICOM first of exhaust outlet.The zinc fume being reduced generation after being burnt by zinc oxide nodulizing in lower chamber 21 is discharged from exhaust outlet 41, center lumen indoor are entered from exhaust outlet 42 behind the first other room, the sidewall of middle part chamber is also provided with the outside air inlet 43 be convenient to extraneous air and entered, outside air inlet 43 is positioned at directly over exhaust outlet 41, be convenient to zinc fume enter middle part chamber time contact with the air that outside air inlet 43 place enters after there is oxidation reaction, thus generation zinc oxide, in oxidation reaction, liberated heat is for heating material blanking tube 31, the material be convenient to falling in material blanking tube 31 carries out preheating, that is to say, zinc oxide nodulizing is in upper chamber 11 after preheating, also again can heat in material blanking tube 31, material blanking tube 31 is provided with at least two, and at least two spaced certain distances of material blanking tube 31 are arranged at center lumen indoor vertically, the upper end open UNICOM upper chamber 11 of arbitrary material blanking tube 31, lower ending opening UNICOM lower chamber 21.
The sidewall that center lumen indoor are positioned at exhaust outlet 41 subtend is provided with discharging opening, exports for the zinc oxide will generated by oxidation reaction in it.The other room of the external UNICOM one second of discharging opening, the second other room for collect discharge zinc oxide after it is cooled, so that obtained oxide powder and zinc.Second other indoor are provided with the second tube sheet group, the tube sheet that second tube sheet group is arranged in the second other chamber interior chamber by upper and lower two block gap certain distances forms, the internal chamber of the second other room is divided into upper, middle and lower three section chambers by the second tube sheet component, two pieces of tube sheets of the second tube sheet group are connected by an air inlet duct road 32, the upper chamber 12 of the other room of air inlet duct road 32 UNICOM second and lower chamber 22, the bottom of lower chamber 22 is provided with air inlet 45, for inputting fresh air or pure oxygen; A hot-air output channel 33 is provided with in upper chamber 12, for the hot-air after heating being outputted to the outside of the second other room, the upper end of hot-air output channel 32 connect UNICOM's upper chamber 12 after the upper strata tube sheet of the second other room, lower end through behind the bottom of lower floor's tube sheet and lower chamber 22 with extraneous UNICOM; The middle part chamber of the second other room passes through the middle part chamber of the discharging opening UNICOM main furnace body of chamber in the middle part of main furnace body, the sidewall of the middle part chamber of the second other room is provided with another discharging opening 46, another discharging opening 46 is positioned on the sidewall of the second other room of the subtend of the second other room and main furnace body connection position, is convenient to externally export cooled zinc oxide product.Air inlet duct road 32 is at least provided with two.
A temperature control device is provided with in lower chamber 21, for regulating the reaction temperature of main furnace body lower chamber, zinc oxide nodulizing is made to react more abundant, prevent because reaction temperature is too high or too low and cause affecting operating mode, can inner operating be destroyed when ignition temperature exceedes ash fusion point and affect the direct yield of zinc oxide.Temperature control device comprises hot-air input channel 34, and one end of hot-air input channel 34 is stretched in lower chamber 21, the other end is provided with and outreaches joint 8 for what connect hot outside source.Outreach the joint that joint 8 is three-port structure, which is provided with two inputs and an output, output connects hot-air input channel 34, an input connects hot-air output channel 33, another input connects external heat vapour source, to carry out control inputs to the hot air temperature in lower chamber 21 by conveying vapours, prevent it from exceeding ash fusion point and destroying the operating mode of lower chamber 21.Hot-air output channel 33 is provided with a heater 9, preferred electrically heated heater, for being heated by the hot-air not reaching estimating temperature again, preventing its temperature too low and affecting the smelting speed of zinc oxide, reducing the production efficiency of stove.The part stretched in lower chamber 21 of hot-air input channel 34 is positioned at the bottom of lower chamber 21, and be positioned at the top of slag-drip opening 71, the part stretched in lower chamber 21 of hot-air input channel 34 connects jet injection apparatus 62 upward, for being spurted into upward in lower chamber 21 by hot-air by vertical bypass duct upward.The jet face of injection apparatus 62 is taper seat, and jet face has at least two jets with radial distribution, and the injection direction of arbitrary jet is vertically upward.
The sidewall of upper chamber 11 is provided with outlet port, outlet port UNICOM one exhaust emission tube road, exhaust emission tube road is provided with the drain tap 5 by regulating aperture to control extraction flow, not only externally coke-stove gas can be exported by arranging drain tap 5, also can be mated after pressure-detecting device is set in main furnace body, then the internal pressure of main furnace body is regulated, realize the Automated condtrol effect that stove runs.The waste gas based on hydrocarbon produced in warm is all discharged out of the furnace by this place.When produced waste gas is coke-stove gas, can be undertaken collecting rear recycling by external collecting device.Drain tap 5 preferably adopts magnetic valve, is convenient to Automated condtrol.Material blanking tube 31 and air inlet duct road 32 all adopt carborundum to make.
The course of work of the present invention is as follows: enter main furnace body internal chamber based on the material of zinc oxide nodulizing by main furnace body top, preheating is carried out in upper chamber 11, the metal waste residue that cutting out partial boiling point is lower and inflammable impurity, the waste gas of generation is discharged out of the furnace by outlet port, material is fallen into after lower chamber 21 carries out Thorough combustion by material blanking tube 31 and is produced reduction reaction after first time preheating, zinc oxide in material is reduced into zinc fume, successively through exhaust outlet 42, first other room, center lumen room is entered after exhaust outlet 41, zinc oxide is generated after there is oxidation reaction after contacting with the fresh air from outside air inlet 43, the center lumen that zinc oxide flows into the second other room is indoor, after carrying out heat exchange with hot-air output channel 33 wherein and air inlet duct road 32, after the discharge of another discharging opening 46, enter waste heat boiler after cooling oxide powder and zinc gradually to cool again, second temperature of other room to zinc oxide heated air after collecting, and the hot-air of generation is admitted in lower chamber 21 and participates in reduction reaction and regulating working conditions wherein.
In the present invention, arrange quenching apparatus 47 and zinc ingot metal pond 48 in the first other indoor, zinc ingot metal pond 48 is provided with overfall 49, thus the present invention is possessed produce the function of zinc ingot metal and zinc powder.Concrete preparation process is as follows:
1) zinc powder is produced: close the first other indoor quenching apparatus, close overfall, close outside air inlet, middle part chamber is made to have oxygen supply, thus zinc fume one road making lower chamber generate flows through the first other room, middle part chamber, the second other room, is cooled to zinc powder gradually in the process of circulation;
2) produce zinc ingot metal: open quenching apparatus, open overfall, close outside air inlet, make zinc fume form liquid Zn after the first other indoor are cooled rapidly by quenching apparatus and fall into zinc ingot metal pond, after flowing out through overfall, be cooled to zinc ingot metal.
The present invention also has the function of auxiliary hydrogen making, concrete operation step is as follows: close quenching apparatus, close overfall, close outside air inlet, another discharging opening of second other room is connected a waste heat boiler, then waste heat boiler is connected one and utilize the character of density variation between various gas in mist to carry out divided gas flow and the equipment for separation of gases it externally exported, burn in input main furnace body after nodulizing being replaced by common coal group, outreach on joint and connect for the interface connecting external heat vapour source the outside device for producing hydrogen that utilizes hydrogen making after electrolysis or pyrolytic water, for carrying the mist of hydrogen and oxygen under the environment keeping high temperature in the lower chamber of main furnace body, the hydrogen obtained due to outside device for producing hydrogen and the mist of oxygen easily recombine when uniform temperature becomes water, therefore high temperature must be kept to be delivered to lower chamber, and by the burning in lower chamber, the oxygen in mist is run out of, thus hydrogen is obtained in lower chamber, carbon monoxide and methane, three kinds of gas and vapor permeation are together via the first other room, middle part chamber, waste heat boiler is outputted to for cooling behind second other room, three kinds of gases after cooling utilize gas density difference to be separated one by one in equipment for separation of gases, thus obtain hydrogen respectively, carbon monoxide and methane, these three kinds separated gases all can as fuel, wherein hydrogen is due to comparatively pure, therefore can hydrogen fuel cell be directly utilized to generate electricity.Its energy conversion rate reaches 75%.
Foregoing shows and describes general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. a vertical zinc oxide smelting furnace, comprise smelting furnace body, it is characterized in that, described smelting furnace body comprises the main furnace body of vertical barrel structure always, the slag-drip opening that described main furnace body is provided with charging aperture for inputting zinc oxide nodulizing at top, main furnace body discharged by the bottom waste residue be provided with for producing in smelting process;
One first tube sheet group is provided with in described main furnace body, the tube sheet that described first tube sheet group is arranged in main furnace body by upper and lower two block gap certain distances forms, two pieces of tube sheet levels are horizontally placed on after in main furnace body and main furnace body internal chamber are separated into upper, middle and lower three separate chamber, wherein, the top of upper strata tube sheet is upper chamber, the below of lower floor's tube sheet is lower chamber, be middle part chamber between two pieces of tube sheets, two pieces of tube sheets are connected by the material blanking tube vertically arranged, described material blanking tube UNICOM upper chamber and lower chamber;
The middle part sidewall of chamber and the sidewall of lower chamber are equipped with the exhaust outlet be convenient to zinc fume and come in and gone out, two other rooms of the equal UNICOM one first of described exhaust outlet, the sidewall of middle part chamber is also provided with the outside air inlet be convenient to extraneous air and entered, and described outside air inlet is positioned at directly over the chamber exhaust outlet of middle part;
The sidewall that described center lumen indoor are positioned at exhaust outlet subtend is provided with the discharging opening that the zinc oxide for it being generated by oxidation reaction exports.
2. the vertical zinc oxide smelting furnace of one according to claim 1, it is characterized in that, described material blanking tube is provided with at least two, at least two spaced certain distances of described material blanking tube are arranged at center lumen indoor vertically, the upper end open UNICOM upper chamber of arbitrary material blanking tube, lower ending opening UNICOM lower chamber.
3. the vertical zinc oxide smelting furnace of one according to claim 2, is characterized in that, the external UNICOM one of described discharging opening for collect discharge zinc oxide after carry out cooling to it after the second other room of obtained oxide powder and zinc;
Described second other indoor are provided with the second tube sheet group, the tube sheet that described second tube sheet group is arranged in the second other chamber interior chamber by upper and lower two block gap certain distances forms, the internal chamber of the second other room is divided into upper, middle and lower three section chambers by the second tube sheet component, two pieces of tube sheets of described second tube sheet group are connected by an air inlet duct road, the upper chamber of the second other room described in described air inlet duct road UNICOM and lower chamber, the bottom of the lower chamber of the described second other room is provided with the air inlet for inputting fresh air;
Be provided with one in the upper chamber of described second other room for the hot-air after heating being outputted to the hot-air output channel of the second other outdoor, the upper end of described hot-air output channel connect UNICOM's upper chamber after the upper strata tube sheet of the second other room, lower end through behind the bottom of lower floor's tube sheet and lower chamber with extraneous UNICOM;
The middle part chamber of the described second other room passes through the middle part chamber of the discharging opening UNICOM main furnace body of chamber in the middle part of described main furnace body, the sidewall of the middle part chamber of the described second other room is provided with another discharging opening, and another discharging opening described is positioned on the sidewall of the second other room of the subtend of the second other room and main furnace body connection position;
Second other indoor described air inlet duct road is at least provided with two.
4. the vertical zinc oxide smelting furnace of one according to claim 3, it is characterized in that, be provided with one in the lower chamber of described main furnace body makes zinc oxide nodulizing react temperature control device more fully after regulating the reaction temperature of main furnace body lower chamber, described temperature control device comprises a hot-air input channel, and one end of described hot-air input channel is stretched in the lower chamber of described main furnace body, the other end is provided with and outreaches joint for what connect hot outside source.
5. the vertical zinc oxide smelting furnace of one according to claim 4, is characterized in that, the described hot-air output channel outreaching the other room of joint connection second on described hot-air input channel;
Describedly outreach the joint that joint is three-port structure, which is provided with two inputs and an output, output connects described hot-air input channel, and an input connects the described hot-air output channel of the second other room, and another input connects external heat vapour source;
The described hot-air output channel of the second other room is provided with a heater.
6. the vertical zinc oxide smelting furnace of one according to claim 5, is characterized in that, the sidewall of described upper chamber is provided with an outlet port for producing certain waste gas based on hydrocarbon in warm and discharge out of the furnace;
Described outlet port UNICOM one exhaust emission tube road, described exhaust emission tube road is provided with one and controls the drain tap of extraction flow by regulating aperture.
7. the vertical zinc oxide smelting furnace of the one according to any one of claim 1 to 6, it is characterized in that, the exhaust outlet of middle part chamber sidewall described in UNICOM after the top upward opening of the described first other room, the top of the first other room is also provided with one for the zinc fume entered in it being cooled rapidly the quenching apparatus of rear liquefy zinc, described quenching apparatus adopts the fountain quenching apparatus at the plumbous rain of the first other indoor manufacture after a coating liquid lead, it is positioned at the first other open-topped side, room, one is provided with for collecting the zinc ingot metal pond of the rear liquid Zn generated of cooling rapidly bottom first other room, liquid lead is filled in advance in described zinc ingot metal pond, the side in zinc ingot metal pond is provided with and leads to outside overfall, for collecting liquid Zn, described liquid lead coordinates described zinc ingot metal pond to form a fluid-tight structure.
8. the vertical zinc oxide smelting furnace of one according to claim 7, is characterized in that, the described material blanking tube in main furnace body and the second other indoor described air inlet duct road all adopt carborundum or stainless steel Steel material to make;
Described charging aperture place is provided with pair of lamina bell sealing feeder.
9. the vertical zinc oxide smelting furnace of one according to claim 8, it is characterized in that, the present invention has the function of zinc processed and hydrogen manufacturing, and wherein, zinc function processed is divided into the function produced zinc ingot metal or produce zinc powder, and concrete operation step is as follows:
1) zinc powder is produced: close the first other indoor quenching apparatus, close overfall, close outside air inlet, middle part chamber is made to have oxygen supply, thus zinc fume one road making lower chamber generate flows through the first other room, middle part chamber, the second other room, is cooled to zinc powder gradually in the process of circulation;
2) produce zinc ingot metal: open quenching apparatus, open overfall, close outside air inlet, make zinc fume form liquid Zn after the first other indoor are cooled rapidly by quenching apparatus and fall into zinc ingot metal pond, after flowing out through overfall, be cooled to zinc ingot metal;
3) hydrogen making: close quenching apparatus, close overfall, close outside air inlet, another discharging opening of second other room is connected a waste heat boiler, described waste heat boiler connects an equipment for separation of gases, burn in input main furnace body after nodulizing being replaced by common coal group, outreach on joint and connect for the interface connecting external heat vapour source the outside device for producing hydrogen that utilizes hydrogen making after electrolysis or pyrolytic water, for carrying the mist of hydrogen and oxygen under the environment keeping high temperature in the lower chamber of main furnace body, thus hydrogen is obtained in lower chamber, carbon monoxide and methane, three kinds of gas and vapor permeation are together via the first other room, middle part chamber, waste heat boiler is outputted to for cooling behind second other room, three kinds of gases after cooling utilize gas density difference to be separated one by one in equipment for separation of gases, thus obtain hydrogen respectively, carbon monoxide and methane.
10. the vertical zinc oxide smelting furnace of one according to claim 9, it is characterized in that, described zinc oxide nodulizing employing cross section is the nodulizing of regular hexagon structure, its overall structure is a cross section is orthohexagonal straight cylinder, that is to say, it is the nodulizing of positive six column structures, and the through-hole structure on it is positive six cylinders identical with positive six column structures of nodulizing entirety, and the thickness of the nodulizing wall at interval between adjacent through-holes is all equal.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107457409A (en) * | 2017-10-10 | 2017-12-12 | 湖南金马有邻环保科技有限公司 | One kind plating cadmia melting continuously zinc powder furnace |
| CN108088251A (en) * | 2017-12-17 | 2018-05-29 | 兴化市三圆锌品有限公司 | A kind of zinc oxide smelting furnace |
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|---|---|
| CN105371653B (en) | 2017-12-08 |
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Effective date of registration: 20191125 Address after: 201401 building 4-2768, No. 555, Lane 3111, West Ring Road, Fengxian District, Shanghai Patentee after: Shanghai Zhilin Industrial Furnace Technology Co., Ltd Address before: Fengxian District Jinhui Town Village 201499 Zi Fu Shanghai City No. 549 Patentee before: Liu Jianhua |
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