CN106546096B - The product line device and production method of microwave heating production alloy - Google Patents

The product line device and production method of microwave heating production alloy Download PDF

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Publication number
CN106546096B
CN106546096B CN201611097243.7A CN201611097243A CN106546096B CN 106546096 B CN106546096 B CN 106546096B CN 201611097243 A CN201611097243 A CN 201611097243A CN 106546096 B CN106546096 B CN 106546096B
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kiln car
track
microwave
pipe
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CN106546096A (en
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魏云雷
李兴波
梁珠祥
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Yangxian Huaxin technology industry and Trade Co., Ltd
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Shaanxi Youli Industry Co Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B19/00Combinations of furnaces of kinds not covered by a single preceding main group
    • F27B19/04Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/16Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by wheeled trucks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/14Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/061Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated with at least two longitudinal chambers carrying combustion gases, i.e. of the Dressler type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/062Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
    • F27B9/067Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated heated by induction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/26Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
    • F27B9/262Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers on or in trucks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/122Preheating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124Cooling
    • F27B2009/126Cooling involving the circulation of cooling gases, e.g. air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • F27B2009/3607Heaters located above the track of the charge

Abstract

The invention discloses the product line devices and production method of a kind of microwave heating production alloy, which includes track, drying oven, tunnel oven and kiln car;Kiln car is located on track, and track includes the first track, the second track and third track, and the second track is located in drying oven, and third track is located in tunnel oven;Tunnel oven is divided into preheating section, microwave section, inhibits section, pusher section and cooling section;Its production method are as follows: kiln reaches the first track loaded material;Kiln, which reaches the second track and enters drying oven, is dried material;Kiln, which reaches third track and initially enters preheating section, preheats material, it enters back into microwave section and microwave heating is carried out to material, it enters back into and section is inhibited to heat material, the material sintered push-in cooling pond is cooled down subsequently into pusher section, finally enters the cooling kiln car of cooling section;Microwave heating and tunnel oven are combined together by the present invention, can continuous production, yield is big, and energy consumption is few, pollutes small.

Description

The product line device and production method of microwave heating production alloy
Technical field
The invention belongs to smelt Thermal Equipment technical field, and in particular to a kind of production of microwave heating production alloy is traditional thread binding It sets and production method.
Background technique
When traditional handicraft smelts tungsten based alloy, nickel system alloy, chromium alloy and Mn series alloy, what is mostly used is blast furnace smelting Refining method and electric furnace smelting method, material is be easy to cause between miberal powder and pulverized coal particle by convection current and conduction heat supply in smelting process Uneven heating during strong endothermic reaction makes reduction kinetics condition be deteriorated.These conventional heating methods are all by by outer Inside face heat transfer type heats material, it is desirable that higher temperature gradient, thus the environment temperature needed is high, Yi Fasheng material It is bonded between particle, is unfavorable for the granular material that heating carries out carbon thermal reduction.In addition, these traditional handicraft alloy smelting periods compared with Long, yield is restricted, seriously polluted, is consumed energy also high.
Tunnel oven is a kind of more advanced, mechanization, high degree of automation, the Thermal Equipment that low energy consumption, can be continuous Property firing.Tunnel oven is usually a long linear tunnel, and fixed wall and vault are arranged at two sides and top, and bottom is laid with Track on run kiln car.Combustion apparatus is located at the on both sides of the middle of tunnel oven, constitutes fixed height temperate zone -- clinkering zone, combustion The high-temperature flue gas generated is burnt under the action of tunnel oven front end chimney or air-introduced machine, is flowed along tunnel to kiln hood direction, simultaneously Preheating enters the product in kiln step by step, this section constitutes the preheating zone of tunnel oven.Cold wind is blasted in the kiln tail of tunnel oven, it is cold But the kiln car for having pushed away material, the cold wind blasted flow through high temperature kiln car after being heated, then extract out and be sent into drier as dry green compact Heat source, this section just constitute the cooling zone of tunnel oven.Material is loaded on kiln car, is entered from tunnel oven one end, and kiln car is pressed According to the calcining system of setting, after preheated band, clinkering zone, cooling zone, kiln car is gone out from the other end of tunnel oven;Tunnel oven can be real Existing continuous production, the product that yield is big, production firing temperature is high;The fuel that existing tunnel oven mainly uses is coal gas and heavy oil Melting is carried out to material, environmental pollution is heavier, and it is high to consume energy, and production cost is also higher.
Summary of the invention
The object of the present invention is to provide a kind of product line devices of microwave heating production alloy, by microwave heating and tunnel oven It is combined together, conventionally produced alloy yield is small, environmental pollution is heavier to overcome, and consume energy high problem.
It is a further object to provide the methods of above-mentioned product line device production alloy.
The technical solution adopted by the present invention are as follows:
Microwave heating produces the product line device of alloy, including track, drying oven, tunnel oven and kiln car;Kiln car is located at rail On road, track includes the first track, the second track and third track, and the second track is located in drying oven, and third track is located at tunnel In road kiln;Tunnel oven is divided into preheating section, microwave section, inhibits section, pusher section and cooling section;Multiple are provided at preheating section One burner, the mouthpieces of multiple first burners is against inside preheating section;Microwave emission end is provided in microwave section;Inhibit to be arranged at section There are multiple second burners, the mouthpiece of multiple second burners is opposite to inhibit intersegmental part;The two sides of pusher section are provided with promotion flashboard;It is cold But intersegmental part is communicated with the outside world by third pipeline;It is provided with first pipe on cooling section, passes through first inside entire tunnel oven Pipeline is connected with drying oven;It is connected by the 4th pipeline with preheating section inside drying oven.
Waste heat fan is provided in above-mentioned first pipe;Smoke exhaust fan is provided on 4th pipeline.
Wherein, preheating section, microwave section and inhibition section are provided with second pipe;Second pipe is respectively and in preheating section Portion, microwave intersegmental part and inhibition intersegmental part communicate;Combustion fan is provided on second pipe.
Microwave section two sides are respectively set into cold air outlet and heat extraction air port, communicate into cold air outlet and heat extraction air port;Heat extraction air port It is connected by the 5th pipeline with first pipe, is connected into cold air outlet and second pipe;Microwave intersegmental part is by into cold Air port is communicated with second pipe.
The setting of above-mentioned microwave intersegmental part is from bottom to top indulged in the both sidewalls of microwave section kiln wall there are many heat insulating refractory material To high-alumina brick and polycrystalline mullite fiber module is equipped with, silicate aluminum board is laterally equipped on roof;On high-alumina brick from bottom to top Longitudinal direction is equipped with clay brick and magnesia brick;It is laterally equipped with silicate aluminum board between the polycrystalline mullite fiber module of both sidewalls, it should Microwave intersegmental part cavity is separated into upper plenum and lower cavity by silicate aluminum board;Into cold air outlet, upper plenum and heat extraction air port three's phase It is logical.
In addition, preheating section is internally provided with multiple first ventilation openings, the first all ventilation openings interlinks with second pipe It connects, is communicated by the first ventilation opening with second pipe inside preheating section;Inhibit intersegmental part to be provided with multiple second ventilation openings, owns The second ventilation opening be connected with second pipe, inhibit intersegmental part communicated by the second ventilation opening with second pipe;First burns The mouthpiece of mouth is located in the first ventilation opening, and the mouthpiece of the second burner is located in the second ventilation opening.
Wherein, cooling section is provided with third pipeline;Cooling section is internally provided with multiple third venting mouths, and all Three ventilation openings are connected with third pipeline, are communicated by third venting mouth with third pipeline inside cooling section;On third pipeline It is provided with cooling blower.
The first jacking vehicle device, the second track export and are provided between above-mentioned first track entry and third track export The second jacking vehicle device is provided between three track entries.
The method produced using the product line device of above-mentioned microwave heating production alloy, comprising the following steps:
Step 1,
Kiln reaches the stopping of the first track, the loaded material on kiln car;
Step 2,
Kiln car, which continues to proceed to the second track, to be entered in drying oven, the high-temperature flue gas in drying oven to the material on kiln car into Row drying;
Step 3,
After drying, kiln car goes out drying oven, and kiln car is loaded in the second jacking vehicle device, and by the second jacking vehicle device by kiln car It is transported to third track entry, the second jacking vehicle device places kiln car on third track;
Step 4,
The kiln car of loaded material initially enters preheating section along third track and stops, and is connected with natural gas in the first burner, It is preheated by the first burner to the material inside preheating section;After the time of preheating setting, kiln car moves ahead, and entrance is micro- Wave band;
Step 5,
Kiln car enters in microwave section and stops, and the Microwave emission end at the top of microwave section emits microwave to microwave intersegmental part, right Material on kiln car carries out microwave heating;After the time of microwave heating setting, kiln car moves ahead, into inhibition section;
Step 6,
Kiln car, which enters, to inhibit section and to stop, and is connected with natural gas in the second burner, by the second burner to inhibiting intersegmental part Material is heated;After inhibiting the time of heating setpoint, kiln car moves ahead, into pusher section;
Step 7,
Kiln car enters pusher section and stops, and the promotion flashboard of pusher section side is opened, by pusher by burned material Water cooling all is carried out in push-in cooling pond, then kiln car proceeds into cooling section;
Step 8,
Kiln car enters cooling section and stops, and outside air is passed through third pipeline and third venting mouth by cooling blower work It is transported to inside cooling section, kiln car is cooled down;
Step 9,
After having cooled down to kiln car, kiln car is loaded into upper first jacking vehicle device, and kiln car is transported to by the first jacking vehicle device Kiln car is placed on the first track by the first track entry, the first jacking vehicle device, carries out next circulation.
Wherein, when kiln car is in preheating section, the first burner carries out pre- thermogenetic flue gas to material and flows in tunnel oven, And it is arranged by first pipe into drying oven;When kiln car is in microwave section, production when Microwave emission end is to material progress microwave heating Raw flue gas is entered in upper plenum by the silicate aluminum board of lower section, combustion fan work, by second pipe and into cold air outlet to It is blown into cold air in upper plenum to blow to high-temperature flue gas in heat extraction air port, and passes through the 5th pipeline and first pipe for high-temperature flue gas It arranges into drying oven;When kiln car is in inhibition section, the second burner is carried out to material plus thermogenetic flue gas flows in tunnel oven, And it is arranged by first pipe into drying oven;When kiln car is in cooling section, cooling blower starting is logical by third pipeline and third Air port cools down kiln car to being passed through cold air inside cooling section, and the flue gas of generation is arranged by first pipe into drying oven;It is dry Material is dried in flue gas in dry furnace, smoke exhaust fan work, and the flue gas in drying oven is discharged into preheating section by the 4th pipeline It is interior;Whole process forms flow of flue gas circulation.
In addition, kiln car is by preheating section and when inhibiting section, combustion fan work, by first pipe and the first ventilation opening to It is combustion-supporting to material heating progress that it is passed through air in preheating section, air is passed through into inhibition section by first pipe and the second ventilation opening Material heating is carried out combustion-supporting.
The beneficial effects of the present invention are:
1. being provided with Microwave emission end at the top of tunnel kiln sintering section, melting is carried out to alloy using microwave heating;It is micro- The characteristics of Wave heating be radiant type body heating, so that material itself is become heater, can make in this way material during heating by It is hot uniform, it is consistent inside and outside temperature of charge, avoids cold central issue present in traditional heating mode;In heating process, Vibration at high speed occurs for the atom and molecule of substance, to establish more favorable environment for reduction reaction, is conducive to reduction reaction Generation, the reduction characteristic of miberal powder at high temperature can be played to the maximum extent, do not limited by heat and mass transfer process, so reduce Energy consumption;Microwave is a kind of frequency electromagnetic waves, and microwave has an effect to the material under microwave field, the atom of component material and point Son is ionized under electric field action and is polarized, and forms polar molecule, the polar molecule in material with microwave electromagnetic field alternating The higher-order of oscillation occurs for variation, and due to being using microwave heating material, environmental pollution is small.
2. using tunnel oven produce alloy, can continuous production, the period is short, and yield is big, and heat utilization is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of microwave heating production alloy production line apparatus of the present invention;
Fig. 2 is the structural schematic diagram of tunnel oven of the present invention;
Fig. 3 is the A-A cross-sectional view of Fig. 2;
Fig. 4 is the B-B cross-sectional view of Fig. 2;
Fig. 5 is the C-C cross-sectional view of Fig. 2;
Fig. 6 is the D-D cross-sectional view of Fig. 2;
Fig. 7 is the E-E cross-sectional view of Fig. 2;
Fig. 8 is the F-F cross-sectional view of Fig. 2;
Fig. 9 is the G-G cross-sectional view of Fig. 2.
In figure, 1. first tracks, 2. second tracks, 3. third tracks, 4. kiln cars, 5. drying ovens, 6. humidity discharging air ports, 7. tunnels Road kiln, 8. first jacking vehicle devices, 9. second jacking vehicle devices, 10. cooling blowers, 11. waste heat fans, 12. stepper motors, 13. help Combustion blower, 14. smoke exhaust fans, 15. preheating sections, 16. microwave sections, 17. inhibition sections, 18. pusher sections, 19. cooling sections, 20. first Pipeline, 21. second pipes, 22. third pipelines, 23. first ventilation openings, 24. second ventilation openings, 25. third venting mouths, 26. One burner, 27. second burners, 28. promote flashboards, and 29. the 4th pipelines, 30. Microwave emission ends, 31. heat extraction air ports, 32. into cold Air port, 33. thermometer holes, 34. peepholes, 35. upper plenums, 36. lower cavitys, 37. cellucottons, 38. first high-alumina bricks, 39. second High-alumina brick, 40. clay bricks, 41. magnesia bricks, 42. third high-alumina bricks, 43. carbon bricks, 44. carborundum plates, 45. silicate aluminum boards, more than 46. Brilliant mullite fiber module, 47. graphite bricks, 48. the 5th pipelines.
Specific embodiment
As shown in Figure 1, the present invention provides a kind of product line device of microwave heating production alloy, including track, drying oven 5, tunnel oven 7 and kiln car 4;Kiln car 4 is walked in orbit, and track includes the first track 1, the second track 2 and third track 3, the Two tracks 2 are located in drying oven 5, and third track 3 is located in tunnel oven 7;Between first track, 1 entrance and the outlet of third track 3 It is provided with the first jacking vehicle device 8, is provided with the second jacking vehicle device 9 between the outlet of the second track 2 and 3 entrance of third track.In addition, It is provided with humidity discharging air port 6 on drying oven 5, vapor and CO in drying oven 5 can be discharged2Equal gases.
As depicted in figs. 1 and 2, tunnel oven 7 is divided into preheating section 15, microwave section 16, inhibits section 17, pusher section 18 and cold But section 19.Along preheating section 15, microwave section 16 and section 17 is inhibited to be provided with second pipe 21, is provided on second pipe 21 combustion-supporting Blower 13, the effect of second pipe 21 are when preheating section 15 and inhibition 17 pairs of materials of section heat, and combustion fan 13 works, To preheating section 15 and inhibit to be passed through air in section 17, play the role of combustion-supporting.In addition, first pipe 20 is provided on cooling section 19, It is connected by first pipe 20 with drying oven 5 inside entire tunnel oven 7, waste heat fan 11 is provided in first pipe 20; And be connected by the 4th pipeline 29 with preheating section 15 inside drying oven 5, smoke exhaust fan 14 is provided on the 4th pipeline 29;? In production process, the flue gas generated in tunnel oven 7 is by 20 row of first pipe to drying oven 5, and high-temperature flue gas is in drying oven 5 Material is dried, and the flue gas in drying oven 5 passes through the 4th pipeline 29 again and flows to preheating section 15, improves the temperature in preheating section 15 Degree, whole process form flow of flue gas circulation, make full use of fume afterheat.
Now it is situated between to the preheating section 15 of tunnel oven 7, microwave section 16, inhibition section 17, pusher section 18 and 19 specific structure of cooling section It continues as follows:
As shown in figure 3, preheating section: being provided with multiple first burners 26 at preheating section 15, preheating section 15 is internally provided with more A first ventilation opening 23, the first all ventilation openings 23 are connected with second pipe 21, logical by first inside preheating section 15 Air port 23 is communicated with second pipe 21;The mouthpiece of first burner 26 is located in the first ventilation opening 23, and mouthpiece is against preheating section 15 It is internal.When kiln car 4 is by preheating section 15 and stops, multiple first burners 26 heat the material on kiln car 4, heated Cheng Zhong, combustion fan 13 work, and outside air is flowed to inside preheating section 15 by second pipe 21 and the first ventilation opening 23, play Combustion-supporting effect.In addition, preheating section 15 is internally provided with a variety of heat insulating refractory materials, specifically: the both sidewalls and roof of kiln wall On be all equipped with cellucotton 37;It is high that the first high-alumina brick 38 and second is from bottom to top equipped on the cellucotton 37 of both sidewalls Aluminium brick 39 is from bottom to top equipped with clay brick 40 and magnesia brick 41 on first high-alumina brick 38, is equipped with third on the second high-alumina brick 39 High-alumina brick 42;Carbon brick 43 and third high-alumina brick 42 are equipped with around first ventilation opening 23;Wherein, the fire resisting temperature of third high-alumina brick 42 Degree is greater than the refractory temperature of the second high-alumina brick 39, and the refractory temperature of the second high-alumina brick 39 is greater than the fire resisting temperature of the first high-alumina brick 38 Degree;The effect of cellucotton 37 is insulation, and the first high-alumina brick 38, clay brick 40 and magnesia brick 41 removed thermal-insulation heat-resistant and also support Effect;The heat-resisting ability of carbon brick 43 and third high-alumina brick 42 is stronger, is built-in with the first of the first burner 26 so being laid on Around air outlet 23;It laterally also is equipped with carborundum plate 44 in addition, being located on the cellucotton 37 of roof, is because in heated material When can generate many smoke particles, carborundum plate 44 can be effectively prevented smoke particle and enter cellucotton 37.
As shown in Figure 4 and Figure 5, Microwave emission end 30 microwave section: is provided at the top of microwave section 16;It is arranged inside microwave section 16 There are many heat insulating refractory material, specifically: from bottom to top longitudinal the second high-alumina brick 39 and more of being equipped in the both sidewalls of kiln wall Brilliant mullite fiber module 46, roof are horizontally arranged with silicate aluminum board 45;It is from bottom to top longitudinal on second high-alumina brick 39 to be equipped with Clay brick 40 and magnesia brick 41;It is laterally equipped with silicate aluminum board 45 between the polycrystalline mullite fiber module 46 of both sidewalls, the silicon 16 internal cavities of microwave section are separated into upper plenum 35 and lower cavity 36 by sour aluminium sheet 45.These refractory materials mainly all play Function of heat insulation, and be not absorbing material, wherein the second high-alumina brick 39 and clay brick 40 also act as support polycrystalline mullite The effect of fibre module 46 and magnesia brick 41;Silicate aluminum board 45 is wave transparent and not absorbing material.16 two sides of microwave section be respectively set into Cold air outlet 32 and heat extraction air port 31 are communicated into cold air outlet 32, upper plenum 35 and 31 three of heat extraction air port;Heat extraction air port 31 passes through the Five pipelines 48 are connected with first pipe 20, are connected into cold air outlet 32 and second pipe 21.When kiln car 4 passes through microwave section 16 and when stopping, Microwave emission end 30 carries out microwave heating, object to 16 internal emission microwave of microwave section, to the material on kiln car 4 A large amount of high-temperature flue gas can be generated in material heating process, the silicate aluminum board 45 that flue gas penetrates lower section enters in upper plenum 35;Heating In the process, combustion fan 13 works, and outside air flows to upper plenum 35 in by second pipe 21 and into cold air outlet 32, by high temperature Flue gas is blown in heat extraction air port 31, and flue gas passes through heat extraction air port 31, the 5th pipeline 48 and 20 row of first pipe to drying oven 5 again. In addition, being additionally provided with thermometer hole 33 and peephole 34 in microwave section 16, in the microwave heating process to material, survey can be passed through Warm hole 33 carries out implementing monitoring to the temperature in kiln, and the melting state of material can be observed by peephole 34.
As shown in fig. 6, inhibiting section: inhibiting to be provided with multiple second burners 27 at section 17, inhibit section 17 to be internally provided with more A second ventilation opening 24, the second all ventilation openings 24 are connected with second pipe 21, inhibit logical by second inside section 17 Air port 24 is communicated with second pipe 21;The mouthpiece of second burner 27 is located in the second ventilation opening 24, and mouthpiece is opposite to inhibit section 17 It is internal.When kiln car 4 is by inhibiting section 17 and stopping, multiple second burners 27 heat the material on kiln car 4, heated Cheng Zhong, combustion fan 13 work, and outside air inhibits to play inside section 17 by second pipe 21 and the second ventilation opening 24 flow direction Combustion-supporting effect.In addition, section 17 is inhibited to be internally provided with a variety of heat insulating refractory materials, specifically: the both sidewalls and roof of kiln wall On be all equipped with cellucotton 37;The first high-alumina brick 38 and the second high-alumina brick are from bottom to top equipped on the 37 of both sidewalls 39, clay brick 40 is equipped on the first high-alumina brick 38, is from bottom to top equipped with magnesia brick 41 and third high alumina on the second high-alumina brick 39 Brick 42;Carbon brick 43 and third high-alumina brick 42 are equipped with around second air outlet 24;Wherein, the refractory temperature of third high-alumina brick 42 is big In the refractory temperature of the second high-alumina brick 39, the refractory temperature of the second high-alumina brick 39 is greater than the refractory temperature of the first high-alumina brick 38;It is fine The effect of vinylon and cotton blend 37 is insulation, and the first high-alumina brick 38, clay brick 40 and magnesia brick 41 removed the work of thermal-insulation heat-resistant also support With;The heat-resisting ability of carbon brick 43 and third high-alumina brick 42 is stronger, so being laid on the second outlet air for being built-in with the second burner 27 Around mouth 24;It laterally also is equipped with carborundum plate 44 in addition, being located on the cellucotton 37 of roof, is because of the meeting in heated material Many smoke particles are generated, carborundum plate 44 can be effectively prevented smoke particle and enter cellucotton 37.
As shown in fig. 7, pusher section: the top of the two sides of pusher section 18, which is provided with, promotes flashboard 28;Kiln wall both sidewalls Lower part is equipped with cellucotton 37, and roof is also equipped with cellucotton 37, and the effect of cellucotton 37 is insulation;Positioned at both sidewalls Cellucotton 37 on be equipped with the first high-alumina brick 38, be from bottom to top equipped with clay brick 40 and magnesia brick 41 on the first high-alumina brick 38; The upper end of cellucotton 37, the upper end of the first high-alumina brick 38 are concordant with 41 upper end of magnesia brick, the upper end of this three is equipped with graphite brick 47; The top for promoting flashboard 28 is supported by polycrystalline mullite fiber module 46, this is because polycrystalline mullite fiber module 46 removed Play the role of thermal-insulation heat-resistant and also can with promoted flashboard 28 contact site it is soft contact, sealing heat-proof quality it is good;Polycrystalline mullite The lower end of fibre module 46 is also equipped with graphite brick 47;There are spaces between the graphite brick 47 of top and the graphite brick 47 of lower section; The lower end for promoting flashboard 28 is supported jointly by cellucotton 37, the first high-alumina brick 38, clay brick 40, magnesia brick 41 and graphite brick 47.When When kiln car 4 rests on pusher section 18, Yao Jinhang pusher promotes flashboard 28 at this time and proposes opening, the hydraulic system outside kiln upwards Material is pushed into water cooling pond by push rod, the temperature of discharging is very high, has material directly contact to top during pusher On the graphite brick 47 of lower section, and graphite brick 47 is resistant to 2000 DEG C of high temperature;In addition, being located on the cellucotton 37 of roof also laterally It is equipped with carborundum plate 44, a large amount of smoke particle is had during pusher, carborundum plate 44 can be effectively prevented smog Grain enters cellucotton 37.
As shown in Figure 8 and Figure 9, cooling section 19 cooling section: is provided with third pipeline 22;Cooling section 19 is internally provided with Multiple third venting mouths 25, all third venting mouths 25 are connected with third pipeline 22, pass through third inside cooling section 19 Ventilation opening 25 is communicated with third pipeline 22;Cooling blower 10 is provided on third pipeline 22.When kiln car 4 rests on cooling section 19 When, cooling blower 10 works, and outside air is passed through into cooling section 19 by third pipeline 22 and third venting mouth 25, to kiln car 4 are cooled down, and flue gas can be generated in cooling procedure.It is provided with first pipe 20 on cooling section 19, passes through inside entire tunnel oven 7 First pipe 20 is connected with drying oven 5, and preheating section 15, the flue gas for inhibiting section 17 and cooling section 19 to generate all pass through the first pipe 20 row of road is to drying oven 5.A variety of heat insulating refractory materials are again provided with inside cooling section 19, specifically: the both sidewalls of kiln wall With cellucotton 37 is all equipped on roof, the effect of cellucotton 37 is insulation;Positioned at 37 upper berth of cellucotton of both sidewalls Equipped with the first high-alumina brick 38, clay brick 40, magnesia brick 41 and clay brick 40 are from bottom to top equipped on the first high-alumina brick 38, first is high The effect of aluminium brick 38, clay brick 40 and magnesia brick 41 is fire resistant heat preserving;40 He of clay brick is equipped on the cellucotton 37 of roof Polycrystalline mullite fiber module 46, the effect of clay brick 40 and polycrystalline mullite fiber module 46 removed fire resistant heat preserving and are also used to prop up Support cellucotton 37;Wherein, 25 lower part of third venting mouth is equipped with clay brick 40, is used to support third venting mouth 25.
In heat insulating refractory material inside tunnel oven 7, the Al of third high-alumina brick 422O3Content >=98%, the second high-alumina brick 39 Al2O3The Al of content >=65%, the first high-alumina brick 382O3Content >=55%, Al2O3Content is higher, and the refractory temperature of material is got over Height, so, the refractory temperature of third high-alumina brick 42 is greater than the refractory temperature of the second high-alumina brick 39, the fire resisting temperature of the second high-alumina brick 39 Degree is greater than the refractory temperature of the first high-alumina brick 38.
The method for carrying out alloy production using the product line device of microwave heating of the present invention production alloy, including following step It is rapid:
Step 1,
4 row of kiln car to the first track 1 stops, the loaded material on kiln car 4;
Step 2,
Kiln car 4 continues to proceed in the second track 2 entrance drying oven 5, and the high-temperature flue gas in drying oven 5 is on kiln car 4 Material is dried;
Step 3,
After drying, kiln car 4 goes out drying oven 5, kiln car 4 is loaded in the second jacking vehicle device 9, and by the second jacking vehicle device 9 Kiln car 4 is transported to 3 entrance of third track, the second jacking vehicle device 9 places kiln car 4 on third track 3;
Step 4,
The kiln car 4 of loaded material initially enters preheating section 15 along third track 3 and stops, and is connected with day in the first burner 26 Right gas is preheated by the first burner 26 to the material inside preheating section 15;After the time of preheating setting, kiln car 4 It moves ahead, into microwave section 16;
Step 5,
Kiln car 4 enters in microwave section 16 and stops, and the Microwave emission end 30 at the top of microwave section 16 is to sending out inside microwave section 16 Microwave is penetrated, microwave heating is carried out to the material on kiln car 4;After the time of microwave heating setting, kiln car 4 moves ahead, and enters Inhibit section 17;
Step 6,
Kiln car 4 enter inhibit section 17 simultaneously stop, be connected with natural gas in the second burner 27, by the second burner 27 to inhibit section Material inside 17 is heated;After inhibiting the time of heating setpoint, kiln car 4 moves ahead, into pusher section 18;
Step 7,
Kiln car 4 enters pusher section 18 and stops, and the promotion flashboard 28 of 18 side of pusher section is opened, the hydraulic pressure system outside kiln Material is pushed into cooling pond by push rod and carries out water cooling by system, and then kiln car 4 proceeds into cooling section 19;
Step 8,
Kiln car 4 enters in cooling section 19 and stops, and cooling blower 10 works, and outside air is passed through third pipeline 22 and the Three ventilation openings 25 are transported to inside cooling section 19, are cooled down to kiln car 4;
Step 9,
After having cooled down to kiln car 4, kiln car 4 is loaded into upper first jacking vehicle device 8, and kiln car 4 is transported by the first jacking vehicle device 8 It send to 1 entrance of the first track, kiln car 4 is placed on the first track 1 by the first jacking vehicle device 8, carries out next circulation.
In above-mentioned production process, when kiln car 4 is in preheating section 15, the first burner 26 carries out material pre- thermogenetic Flue gas flows in tunnel oven 7, and passes through 20 row of first pipe to drying oven 5;When kiln car 4 is in microwave section 16, microwave hair The flue gas of generation is entered in upper plenum 35 by the silicate aluminum board 45 of lower section when penetrating the 30 pairs of material progress microwave heatings in end, combustion air Machine 13 works, and by second pipe 21 and is blown into cold air into upper plenum 35 into cold air outlet 32 high-temperature flue gas is blown to thermal wind exhausting In mouth 31, and high-temperature flue gas is arranged into drying oven 5 by the 5th pipeline 48 and first pipe 20;Inhibit section when kiln car 4 is in When 17, the second burner 27 is carried out to material plus thermogenetic flue gas flows in tunnel oven 7, and by 20 row of first pipe to dry In dry furnace 5;When kiln car 4 is in cooling section 19, cooling blower 10 starts, by third pipeline 22 and third venting mouth 25 to cold But it is passed through cold air inside section 19 to cool down kiln car 4, the flue gas of generation is by 20 row of first pipe into drying oven 5;Flow direction Material is dried in flue gas in drying oven 5, and smoke exhaust fan 14 works, and the flue gas in drying oven 5 passes through the 4th pipeline 29 again It is discharged into preheating section 15, is to improve temperature in the kiln of preheating section 15;Whole process forms flow of flue gas circulation.
In addition, kiln car 4 is by preheating section 15 and when inhibiting section 17, combustion fan 13 works, and passes through first pipe 21 and the One ventilation opening 23 be passed through into preheating section 15 air to material heating carry out it is combustion-supporting, pass through first pipe 21 and the second ventilation opening 24 It is combustion-supporting to material heating progress that air is passed through into inhibition section 17.
Stepper motor 12 is additionally provided on the first track 1, stepper motor 12 is controlled by PLC, there are more kilns in orbit Vehicle 4 is walked, and sensor is provided on stepper motor 12, the speed of travel of kiln car 4 is controlled, so that between adjacent two kiln cars 4 Every a certain distance.
The product line device that the present invention mentions microwave heating production alloy is able to produce tungsten based alloy, nickel system alloy, the conjunction of chromium system Gold and Mn series alloy.By taking Mn series alloy as an example, using carbon dust and poor manganese ore the powder feature strong to microwave absorption capacity, using microwave Carbon reduction MnO can be compensated2With heat needed for FeO, carbothermic reduction reaction is carried out, and recycles reduction tail gas and powder is preheated, is mentioned The utilization efficiency of high microwave energy.Reduction of carbonaceous poor manganese ore powder is heated using microwave method, China's largely poor manganese can be made full use of Miberal powder resource simplifies manganese alloy process flow, realizes full-range adaptiveization.

Claims (11)

1. microwave heating production alloy product line device, it is characterised in that: including track, drying oven (5), tunnel oven (7) and Kiln car (4);The kiln car (4) is located on track, and track includes the first track (1), the second track (2) and third track (3), the Two tracks (2) are located in drying oven (5), and third track (3) is located in tunnel oven (7);The tunnel oven (7) is divided into preheating Section (15), inhibits section (17), pusher section (18) and cooling section (19) at microwave section (16);
It is provided with multiple first burners (26) at the preheating section (15), the mouthpieces of multiple first burners (26) is against preheating section (15) internal;
Microwave emission end (30) are provided on the microwave section (16);
Multiple second burners (27) are provided at the inhibition section (17), the mouthpiece of multiple second burners (27) is opposite to inhibit section (17) internal;
The two sides of the pusher section (18), which are provided with, promotes flashboard (28);
It is communicated with the outside world inside the cooling section (19) by third pipeline (22);
It is provided with first pipe (20) on the cooling section (19), by first pipe (20) and dry inside entire tunnel oven (7) Dry furnace (5) is connected;It is connected by the 4th pipeline (29) with preheating section (15) inside the drying oven (5).
2. the product line device of microwave heating production alloy according to claim 1, it is characterised in that: the first pipe (20) waste heat fan (11) are provided on;Smoke exhaust fan (14) are provided on 4th pipeline (29).
3. the product line device of microwave heating production alloy according to claim 1, it is characterised in that: along preheating section (15), microwave section (16) and inhibition section (17) are provided with second pipe (21);The second pipe (21) respectively with preheating section (15) it is communicated inside internal, microwave section (16) inside and inhibition section (17);Combustion fan (13) are provided on second pipe (21).
4. the product line device of microwave heating production alloy according to claim 3, it is characterised in that: the microwave section (16) two sides are respectively set into cold air outlet (32) and heat extraction air port (31), communicate into cold air outlet (32) and heat extraction air port (31);Row Hot-air mouth (31) is connected by the 5th pipeline (48) with first pipe (20), into cold air outlet (32) and second pipe (21) phase Lead to and connects;Microwave section (16) is internal by communicating into cold air outlet (32) with second pipe (21).
5. the product line device of microwave heating production alloy according to claim 4, it is characterised in that: the microwave section (16) a variety of heat insulating refractory materials are internally provided with, are from bottom to top longitudinally equipped with height in the both sidewalls of microwave section (16) kiln wall Aluminium brick (39) and polycrystalline mullite fiber module (46) are laterally equipped with silicate aluminum board (45) on roof;The high-alumina brick (39) On from bottom to top longitudinal clay brick (40) and magnesia brick (41) of being equipped with;Between the polycrystalline mullite fiber module (46) of both sidewalls Laterally be equipped with silicate aluminum board (45), the silicate aluminum board (45) by microwave section (16) internal cavities be separated into upper plenum (35) and under Cavity (36);It is described to be communicated into cold air outlet (32), upper plenum (35) and heat extraction air port (31) three.
6. the product line device of microwave heating production alloy according to claim 3, it is characterised in that: the preheating section (15) multiple first ventilation openings (23) are internally provided with, all the first ventilation openings (23) are connected with second pipe (21), It is communicated by the first ventilation opening (23) with second pipe (21) inside preheating section (15);The inhibition section (17) is internally provided with more A second ventilation opening (24), all the second ventilation openings (24) are connected with second pipe (21), inhibit logical inside section (17) The second ventilation opening (24) is crossed to communicate with second pipe (21);The mouthpiece of first burner (26) is located at the first ventilation opening (23) Interior, the mouthpiece of the second burner (27) is located in the second ventilation opening (24).
7. the product line device of microwave heating production alloy according to claim 1, it is characterised in that: along cooling section (19) third pipeline (22) are provided with;Cooling section (19) is internally provided with multiple third venting mouths (25), all third ventings Mouth (25) is connected with third pipeline (22), passes through third venting mouth (25) and third pipeline (22) phase inside cooling section (19) It is logical;Cooling blower (10) are provided on the third pipeline (22).
8. the product line device of microwave heating production alloy according to claim 1, it is characterised in that: first track (1) the first jacking vehicle device (8), the second track (2) outlet and third track are provided between entrance and third track (3) outlet (3) the second jacking vehicle device (9) is provided between entrance.
9. the method produced using the product line device of microwave heating production alloy, it is characterised in that: the following steps are included:
Step 1,
Kiln car (4) row to the first track (1) stops, the loaded material on kiln car (4);
Step 2,
Kiln car (4) continues to proceed to the second track (2) into drying oven (5), and the high-temperature flue gas in drying oven (5) is to kiln car (4) material on is dried;
Step 3,
After drying, kiln car (4) goes out drying oven (5), kiln car (4) is loaded in the second jacking vehicle device (9), and by the second jacking vehicle Kiln car (4) is transported to third track (3) entrance by machine (9), and kiln car (4) are placed third track (3) by the second jacking vehicle device (9) On;
Step 4,
The kiln car (4) of loaded material initially enters preheating section (15) along third track (3) and stops, and leads in the first burner (26) There is natural gas, is preheated by the first burner (26) to the internal material of preheating section (15);Terminate in the time of preheating setting Afterwards, kiln car (4) moves ahead, into microwave section (16);
Step 5,
Kiln car (4) enters in microwave section (16) and stops, and the Microwave emission end (30) at the top of microwave section (16) is to microwave section (16) Internal emission microwave carries out microwave heating to the material on kiln car (4);After the time of microwave heating setting, kiln car (4) It moves ahead, into inhibition section (17);
Step 6,
Kiln car (4), which enters, inhibits section (17) simultaneously to stop, and is connected with natural gas in the second burner (27), by the second burner (27) to suppression The internal material of section (17) processed is heated;After inhibiting the time of heating setpoint, kiln car (4) moves ahead, into pusher section (18);
Step 7,
Kiln car (4) enters pusher section (18) and stops, and the promotion flashboard (28) of pusher section (18) side is opened, will by pusher Burned material is all pushed into cooling pond and carries out water cooling, and then kiln car (4) proceeds into cooling section (19);
Step 8,
Kiln car (4), which enters, cooling section (19) and to stop, cooling blower (10) work, by outside air by third pipeline (22) and Third venting mouth (25) is transported to cooling section (19) inside, cools down to kiln car (4);
Step 9,
After having cooled down to kiln car (4), kiln car (4) are loaded into upper first jacking vehicle device (8), and by the first jacking vehicle device (8) by kiln Vehicle (4) is transported to the first track (1) entrance, and kiln car (4) is placed on the first track (1), carries out down by the first jacking vehicle device (8) One circulation.
10. the method produced according to claim 9 using the product line device of microwave heating production alloy, feature Be: when kiln car (4) is in preheating section (15), the first burner (26) carries out pre- thermogenetic flue gas in tunnel oven (7) to material Middle flowing, and arranged by first pipe (20) into drying oven (5);When kiln car (4) is in microwave section (16), Microwave emission end (30) flue gas of generation is entered in upper plenum (35) by the silicate aluminum board (45) of lower section when carrying out microwave heating to material, combustion-supporting Blower (13) work is blown into cold air for high-temperature flue gas into upper plenum (35) by second pipe (21) and into cold air outlet (32) It blows in heat extraction air port (31), and is arranged high-temperature flue gas into drying oven (5) by the 5th pipeline (48) and first pipe (20); When kiln car (4) is in inhibition section (17), the second burner (27) is carried out to material plus thermogenetic flue gas stream in tunnel oven (7) It is dynamic, and arranged by first pipe (20) into drying oven (5);When kiln car (4) is in cooling section (19), cooling blower (10) is opened It is dynamic, cold air is passed through to cooling section (19) inside by third pipeline (22) and third venting mouth (25), kiln car (4) is cooled down, The flue gas of generation is arranged by first pipe (20) into drying oven (5);Material is dried in flue gas in drying oven (5), row Cigarette blower (14) works, and the flue gas in drying oven (5) is discharged into preheating section (15) by the 4th pipeline (29);Whole process is formed Flow of flue gas circulation.
11. the method produced according to claim 9 using the product line device of microwave heating production alloy, feature Be: by preheating section (15) and when inhibiting section (17), combustion fan (13) works kiln car (4), by first pipe (21) and First ventilation opening (23) is combustion-supporting to material heating progress to the interior air that is passed through of preheating section (15), passes through first pipe (21) and second It is combustion-supporting to material heating progress that ventilation opening (24) is passed through air into inhibition section (17).
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