CN106546096A - 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
CN106546096A
CN106546096A CN201611097243.7A CN201611097243A CN106546096A CN 106546096 A CN106546096 A CN 106546096A CN 201611097243 A CN201611097243 A CN 201611097243A CN 106546096 A CN106546096 A CN 106546096A
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China
Prior art keywords
section
kiln car
track
microwave
pipeline
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CN201611097243.7A
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Chinese (zh)
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CN106546096B (en
Inventor
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

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
    • F27B19/04—Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines 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
    • F26B15/12—Machines 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
    • F26B15/16—Machines 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/14—Arrangements 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06—Furnaces 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
    • F27B9/061—Furnaces 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06—Furnaces 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
    • F27B9/062—Furnaces 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
    • F27B9/067—Furnaces 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces 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
    • F27B9/20—Furnaces 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
    • F27B9/26—Furnaces 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
    • F27B9/262—Furnaces 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces 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
    • F27B2009/122—Preheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces 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
    • F27B2009/124—Cooling
    • F27B2009/126—Cooling involving the circulation of cooling gases, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36—Arrangements of heating devices
    • F27B2009/3607—Heaters located above the track of the charge

Abstract

The invention discloses a kind of microwave heating produces the product line device and production method of alloy, the device includes track, drying oven, tunnel cave and kiln car；Kiln car is located on track, and track includes the first track, the second track and the 3rd track, and the second track is located in drying oven, and the 3rd track is located in tunnel cave；Tunnel cave is divided into preheating section, microwave section, suppresses section, pusher section and cooling section；Its production method is：Kiln reaches the first track loaded material；Kiln reaches the second track and material is dried into drying oven；Kiln reaches the 3rd track and initially enters preheating section and material is preheated, entering back into microwave section carries out microwave heating to material, enter back into suppression section to heat material, the material for sintering is pushed into cooling pond subsequently into pusher section and is cooled down, finally enter cooling section cooling kiln car；Microwave heating and tunnel cave are combined together by the present invention, can continuous prodution, yield is big, and power consumption is few, pollutes little.

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 Put and production method.
Background technology
When traditional handicraft smelts tungsten based alloy, nickel system alloy, chromium alloy and Mn series alloy, use blast furnace smelting more Refining method and electric furnace smelting method, in smelting process, material is easily caused between breeze and pulverized coal particle by convection current and conduction heat supply The 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 is heated to material, it is desirable to higher thermograde so that ambient temperature it is high, easily there is material Bond between granule, be unfavorable for heating the granular material for carrying out carbon thermal reduction.In addition, these traditional handicraft alloy smelting cycles compared with Long, yield is restricted, seriously polluted, consumes energy also high.
Tunnel cave is the low Thermal Equipment of a kind of more advanced, mechanization, high degree of automation, energy consumption, can be continuous Property is burnt till.Tunnel cave is usually a long linear tunnel, and fixed wall and vault, bottom laying are arranged at its both sides and top Track on run kiln car.Combustion apparatus is located at the middle part both sides of tunnel cave, constitutes fixed thermal zone -- clinkering zone, combustion The high-temperature flue gas for producing are burnt in the presence of tunnel cave front end chimney or air-introduced machine, flow along tunnel to kiln hood direction, while Into the product in kiln, this section constitutes the preheating zone of tunnel cave for preheating step by step.Cold wind is blasted in the kiln tail of tunnel cave, it is cold But the kiln car of material has been pushed away, and the cold wind for blasting flows through high temperature kiln car and after being heated, then feeding exsiccator extracted out as being dried green compact Thermal source, this section just constitute the cooling zone of tunnel cave.Material is loaded on kiln car, is entered from tunnel cave 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 cave；Tunnel cave can be real Now continuous production, the product that yield is big, production firing temperature is high；The fuel that existing tunnel cave is mainly adopted is coal gas and heavy oil Melting is carried out to material, environmental pollution is heavier, and it is high to consume energy, production cost is also higher.
The content of the invention
It is an object of the invention to provide a kind of microwave heating produces the product line device of alloy, by microwave heating and tunnel cave It is combined together, to overcome, conventionally produced alloy yield is little, environmental pollution is heavier, consume energy high problem.
It is a further object to provide the method that above-mentioned product line device produces alloy.
The technical solution used in the present invention is：
Microwave heating produces the product line device of alloy, including track, drying oven, tunnel cave and kiln car；Kiln car is located at rail On road, track includes the first track, the second track and the 3rd track, and the second track is located in drying oven, and the 3rd track is located at tunnel In road kiln；Tunnel cave is divided into preheating section, microwave section, suppresses section, pusher section and cooling section；Multiple are provided with preheating section One burner, the mouthpiece of multiple first burners is against inside preheating section；Microwave emission end is provided with microwave section；Suppress to arrange at section There are multiple second burners, the mouthpiece of multiple second burners is against suppression intrasegmental part；The both sides of pusher section are provided with lifting flashboard；It is cold But intrasegmental part is communicated with the external world by the 3rd pipeline；The first pipeline is provided with cooling section, inside whole tunnel cave, passes through first Pipeline is connected with drying oven；It is connected with preheating section by the 4th pipeline inside drying oven.
Waste heat fan is provided with above-mentioned first pipeline；Smoke exhaust fan is provided with 4th pipeline.
Wherein, preheating section, microwave section and suppression section are provided with second pipe；Second pipe respectively with preheating section in Portion, microwave intrasegmental part and suppression intrasegmental part are communicated；Combustion fan is provided with second pipe.
Microwave section both sides are respectively provided with into cold wind mouth and heat extraction air port, enter cold wind mouth and heat extraction air port communicates；Heat extraction air port It is connected by the 5th pipeline and the first pipeline, enters cold wind mouth and be connected with second pipe；Microwave intrasegmental part is cold by entering Air port is communicated with second pipe.
Above-mentioned microwave intrasegmental part is provided with various heat insulating refractory materials, from bottom to top indulges in the both sidewalls of microwave section kiln wall To high-alumina brick and polycrystalline mullite fiber module is equipped with, silicate aluminum board on roof, is laterally equipped with；On high-alumina brick from bottom to top Longitudinal direction is equipped with clay brick and magnesia brick；Silicate aluminum board is equipped between the polycrystalline mullite fiber module of both sidewalls laterally, should Microwave intrasegmental part cavity is separated into upper plenum and lower cavity by silicate aluminum board；Enter cold wind mouth, upper plenum and heat extraction air port three's phase It is logical.
In addition, preheating section is internally provided with multiple first vents, all of first vent is interlinked with second pipe Connect, communicated with second pipe by the first vent inside preheating section；Suppress intrasegmental part to be provided with multiple second vents, own The second vent be connected with second pipe, suppress intrasegmental part communicated with second pipe by the second vent；First burns The mouthpiece of mouth is located in the first vent, and the mouthpiece of the second burner is located in the second vent.
Wherein, cooling section is provided with the 3rd pipeline；Cooling section is internally provided with multiple third venting mouths, and all of Three vents are connected with the 3rd pipeline, are communicated with the 3rd pipeline by third venting mouth inside cooling section；On 3rd pipeline It is provided with cooling blower.
The first support kiln car pusher, the second track export and are provided between above-mentioned first track entry and the 3rd track export The second support kiln car pusher is provided between three track entries.
The method produced by the product line device that alloy is produced using above-mentioned microwave heating, comprises the following steps：
Step 1,
Kiln reaches the stopping of the first track, the loaded material on kiln car；
Step 2,
Kiln car continues to proceed to the second track in drying oven, and the high-temperature flue gas in drying oven enter to the material on kiln car Row drying；
Step 3,
After drying, kiln car goes out drying oven, and kiln car is loaded on the second support kiln car pusher, and by the second support kiln car pusher by kiln car The 3rd track entry is transported to, the second support kiln car pusher places kiln car on the 3rd track；
Step 4,
The kiln car of loaded material initially enters preheating section and stops along the 3rd track, is connected with natural gas in the first burner, Preheated to the material inside preheating section by the first burner；After the time of preheating setting terminates, kiln car moves ahead, and enters in a subtle way Wave band；
Step 5,
Kiln car is entered in microwave section and is stopped, and microwave is launched to microwave intrasegmental part in the Microwave emission end at the top of microwave section, right Material on kiln car carries out microwave heating；After the time of microwave heating setting terminates, kiln car moves ahead, into suppression section；
Step 6,
Kiln car enters and suppresses section and stop, and is connected with natural gas in the second burner, by the second burner to suppression intrasegmental part Material is heated；After the time for suppressing heating setpoint terminates, kiln car moves ahead, into pusher section；
Step 7,
Kiln car is entered and pusher section is stopped, and the lifting flashboard of pusher section side is opened, by pusher by burned material Water-cooled is carried out in all pushing cooling pond, then kiln car proceeds into cooling section；
Step 8,
Kiln car enters cooling section and stops, cooling blower work, and outside air is passed through the 3rd pipeline and third venting mouth 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 support kiln car pusher, and kiln car is transported to by the first support kiln car pusher First track entry, the first support kiln car pusher are placed on kiln car on the first track, carry out next circulation.
Wherein, when kiln car is in preheating section, the first burner carries out pre- thermogenetic flue gas and flows in tunnel cave to material, And arranged into drying oven by the first pipeline；When kiln car is in microwave section, Microwave emission end carries out product during microwave heating to material Raw flue gas enters overhead intracavity by the silicate aluminum board of lower section, combustion fan work, by second pipe and enter cold wind mouth to Overhead intracavity is blown into cold air and high-temperature flue gas is blown in heat extraction air port, and passes through the 5th pipeline and the first pipeline by high-temperature flue gas Arrange into drying oven；In when suppressing section, the second burner is carried out kiln car to material plus thermogenetic flue gas flows in tunnel cave, And arranged into drying oven by the first pipeline；When kiln car is in cooling section, cooling blower starts, by the 3rd pipeline and threeway Air port is passed through cold air to the inside of cooling section and kiln car is cooled down, and the flue gas of generation is arranged into drying oven by the first pipeline；It is dry Flue gas in dry stove is dried to material, and smoke exhaust fan work, the flue gas in drying oven enter preheating section by the 4th pipeline It is interior；Whole process forms flow of flue gas circulation.
In addition, kiln car is through preheating section and when suppressing section, combustion fan work, by the first pipeline and the first vent to Be passed through in preheating section air material heating is carried out it is combustion-supporting, by the first pipeline and the second vent to suppressing to be passed through air in section Material heating is carried out combustion-supporting.
The invention has the beneficial effects as follows：
1. Microwave emission end is provided with the top of tunnel kiln sintering section, melting is carried out to alloy using microwave heating；It is micro- The characteristics of Wave heating, is heated for radiant type body, makes material become heater in itself, material can so received in heating process It is hot uniform, it is consistent inside and outside temperature of charge, it is to avoid cold central issue present in traditional heating mode；In heating process, There is vibration at high speed in the atom of material and molecule, so as to set up more favorable environment for reduction reaction, be conducive to reduction reaction Generation, breeze reduction characteristic at high temperature can be played to greatest extent, do not limited by heat and mass transfer process, so reduce Energy consumption；Microwave is a kind of frequency electromagnetic waves, and microwave is had an effect to the material under microwave field, the atom of component material and point Son is ionized under electric field action and polarizes, and forms polar molecule, and the polar molecule in material is with the alternating of microwave electromagnetic field , there is the higher-order of oscillation, due to being that, using microwave heating material, environmental pollution is little in change.
2. alloy is produced using tunnel cave, can continuous prodution, cycle is short, yield be big, and diarrhea of heat type is made good use of.
Description of the drawings
Fig. 1 is the structural representation that microwave heating of the present invention produces alloy production line apparatus；
Fig. 2 is the structural representation of tunnel cave of the present invention；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the B-B sectional views of Fig. 2；
Fig. 5 is the C-C sectional views of Fig. 2；
Fig. 6 is the D-D sectional views of Fig. 2；
Fig. 7 is the E-E sectional views of Fig. 2；
Fig. 8 is the F-F sectional views of Fig. 2；
Fig. 9 is the G-G sectional views of Fig. 2.
In figure, 1. the first track, 2. the second track, 3. the 3rd track, 4. kiln car, 5. drying oven, 6. humidity discharging air port, 7. tunnel Road kiln, 8. the first support kiln car pusher, 9. the second support kiln car pusher, 10. cooling blower, 11. waste heat fans, 12. motors, 13. help Combustion blower fan, 14. smoke exhaust fans, 15. preheating sections, 16. microwave sections, 17. suppression sections, 18. pusher sections, 19. cooling sections, 20. first Pipeline, 21. second pipes, 22. the 3rd pipelines, 23. first vents, 24. second vents, 25. third venting mouths, 26. One burner, 27. second burners, 28. lifting flashboards, 29. the 4th pipelines, 30. Microwave emission ends, 31. heat extraction air ports, 32. enter cold Air port, 33. thermometer holes, 34. peepholes, 35. upper plenums, 36. times cavitys, 37. cellucottons, 38. first high-alumina bricks, 39. second High-alumina brick, 40. clay bricks, 41. magnesia bricks, 42. the 3rd 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 the product line device that a kind of microwave heating produces alloy, including track, drying oven 5th, tunnel cave 7 and kiln car 4；Kiln car 4 is walked in orbit, and track includes the first track 1, the second track 2 and the 3rd track 3, the Two tracks 2 are located in drying oven 5, and the 3rd track 3 is located in tunnel cave 7；Between first track entry 1 and the 3rd track 3 are exported The first support kiln car pusher 8 is provided with, the second track 2 is exported and 3 entrance of the 3rd track between and is provided with the second support kiln car pusher 9.In addition, Humidity discharging air port 6 is provided with drying oven 5, vapor and CO in drying oven 5 can be discharged2Deng gas.
As depicted in figs. 1 and 2, tunnel cave 7 is divided into preheating section 15, microwave section 16, suppresses section 17, pusher section 18 and cold But section 19.Preheating section 15, microwave section 16 and suppression section 17 are provided with second pipe 21, are provided with second pipe 21 combustion-supporting Blower fan 13, the effect of second pipe 21 is that combustion fan 13 works when preheating section 15 and suppression 17 pairs of materials of section are heated, Air is passed through into preheating section 15 and suppression section 17, combustion-supporting effect is played.In addition, the first pipeline 20 on cooling section 19, is provided with, It is connected with drying oven 5 by the first pipeline 20 inside whole tunnel cave 7, on the first pipeline 20, is provided with waste heat fan 11； And be connected with preheating section 15 by the 4th pipeline 29 inside drying oven 5, smoke exhaust fan 14 is provided with the 4th pipeline 29； In production process, by 20 row of the first pipeline to drying oven 5, high-temperature flue gas are in drying oven 5 for the flue gas produced in tunnel cave 7 Material is dried, and the flue gas in drying oven 5 flows to preheating section 15 by the 4th pipeline 29 again, improves the temperature in preheating section 15 Degree, whole process form flow of flue gas circulation, make full use of fume afterheat.
Preheating section 15 existing to tunnel cave 7, microwave section 16, section 17, pusher section 18 and 19 concrete structure of cooling section is suppressed to be situated between Continue as follows：
As shown in figure 3, preheating section：Multiple first burners 26 are provided with preheating section 15, preheating section 15 is internally provided with many Individual first vent 23, all of first vent 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 the first burner 26 is located in the first vent 23, and its mouthpiece is against preheating section 15 It is internal.When kiln car 4 is through preheating section 15 and when stopping, multiple first burners 26 are heated to the material on kiln car 4, heated Cheng Zhong, combustion fan 13 work, and outside air passes through second pipe 21 and the first vent 23 is flowed to inside preheating section 15, plays Combustion-supporting effect.In addition, preheating section 15 is internally provided with various heat insulating refractory materials, specially：The both sidewalls and roof of kiln wall On be all equipped with cellucotton 37；First high-alumina brick 38 and second is equipped with the cellucotton 37 of both sidewalls from bottom to top high Aluminum brick 39, is from bottom to top equipped with clay brick 40 and magnesia brick 41, is equipped with the 3rd on the second high-alumina brick 39 on the first high-alumina brick 38 High-alumina brick 42；Carbon brick 43 and the 3rd high-alumina brick 42 are equipped with around first vent 23；Wherein, the fire resisting temperature of the 3rd high-alumina brick 42 Refractory temperature of the degree more than the second high-alumina brick 39, the refractory temperature of the second high-alumina brick 39 are more 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 the 3rd high-alumina brick 42 is stronger, so be laid on being built-in with the first of the first burner 26 Around air outlet 23；In addition, being also laterally equipped with carborundum plate 44 on the cellucotton 37 of roof, it is because in heated material When can produce many smoke particles, carborundum plate 44 can be effectively prevented smoke particle into cellucotton 37.
As shown in Figure 4 and Figure 5, microwave section：Microwave emission end 30 is provided with the top of microwave section 16；Arrange inside microwave section 16 There are various heat insulating refractory materials, specially：In the both sidewalls of kiln wall, from bottom to top longitudinal direction is equipped with the second high-alumina brick 39 and many Brilliant mullite fiber module 46, roof are horizontally arranged with silicate aluminum board 45；On second high-alumina brick 39, from bottom to top longitudinal direction is equipped with Clay brick 40 and magnesia brick 41；Silicate aluminum board 45 is equipped with laterally 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.The main of these refractory materials is all played Function of heat insulation, and not absorbing material is, 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 both sides of microwave section be respectively provided with into Cold wind mouth 32 and heat extraction air port 31, enter cold wind mouth 32, upper plenum 35 and 31 three of heat extraction air port and communicate；Heat extraction air port 31 is by the Five pipelines 48 are connected with the first pipeline 20, are entered cold wind mouth 32 and are connected with second pipe 21.When kiln car 4 is through microwave section 16 and when stopping, Microwave emission end 30 carries out microwave heating, thing to the material on kiln car 4 to 16 internal emission microwave of microwave section Substantial amounts of high-temperature flue gas can be produced in material heating process, flue gas is entered in upper plenum 35 through the silicate aluminum board 45 of lower section；Heating During, combustion fan 13 works, and outside air passes through second pipe 21 and enter cold wind mouth 32 to flow in upper plenum 35, by high temperature Flue gas is blown in heat extraction air port 31, and flue gas is again by heat extraction air port 31, the 5th pipeline 48 and 20 row of the first pipeline to drying oven 5. In addition, thermometer hole 33 and peephole 34 in microwave section 16, are additionally provided with, and in the microwave heating process to material, can be by surveying Warm hole 33 carries out implementing monitoring to the temperature in kiln, can observe the melting state of material by peephole 34.
As shown in fig. 6, suppressing section：Suppress at section 17, to be provided with multiple second burners 27, suppress section 17 to be internally provided with many Individual second vent 24, all of second vent 24 are connected with second pipe 21, suppress logical by second inside section 17 Air port 24 is communicated with second pipe 21；The mouthpiece of the second burner 27 is located in the second vent 24, and its mouthpiece is against suppression section 17 It is internal.When kiln car 4 is when suppressing section 17 and stop, multiple second burners 27 are heated to the material on kiln car 4, heated Cheng Zhong, combustion fan 13 work, and outside air passes through second pipe 21 and the flow direction of the second vent 24 suppresses, inside section 17, to play Combustion-supporting effect.In addition, suppress section 17 to be internally provided with various heat insulating refractory materials, specially：The both sidewalls and roof of kiln wall On be all equipped with cellucotton 37；First high-alumina brick 38 and second high-alumina brick are equipped with the 37 of both sidewalls from bottom to top 39, clay brick 40 is equipped with the first high-alumina brick 38, magnesia brick 41 and the 3rd high alumina on the second high-alumina brick 39, is from bottom to top equipped with Brick 42；Carbon brick 43 and the 3rd high-alumina brick 42 are equipped with around second air outlet 24；Wherein, the refractory temperature of the 3rd 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 more 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 that thermal-insulation heat-resistant is also supported With；The heat-resisting ability of carbon brick 43 and the 3rd high-alumina brick 42 is stronger, so being laid on the second air-out for being built-in with the second burner 27 Around mouth 24；In addition, carborundum plate 44 is also laterally equipped with the cellucotton 37 of roof, be because the meeting in heated material Many smoke particles are produced, carborundum plate 44 can be effectively prevented smoke particle into cellucotton 37.
As shown in fig. 7, pusher section：The top of the both sides of pusher section 18 is provided with lifting flashboard 28；Kiln wall both sidewalls Bottom 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, clay brick 40 and magnesia brick 41 are from bottom to top equipped with 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, and the upper end of this three is equipped with graphite brick 47； The top for lifting flashboard 28 is supported by polycrystalline mullite fiber module 46, this is because polycrystalline mullite fiber module 46 was removed There is thermal-insulation heat-resistant and heat-proof quality can be sealed good with the soft contact in contact site for lifting flashboard 28；Polycrystalline mullite The lower end of fibre module 46 is also equipped with graphite brick 47；Space is left between the graphite brick 47 and the graphite brick 47 of lower section of top； The lower end of flashboard 28 is lifted by cellucotton 37, the first high-alumina brick 38, clay brick 40, the 47 common support of magnesia brick 41 and graphite brick.When When kiln car 4 rests on pusher section 18, pusher to be carried out now lifts flashboard 28 and puies forward opening upwards, the hydraulic system outside kiln Material is pushed in water-cooled pond by push rod, the temperature of discharging is very high, material directly contact is had during pusher to top On the graphite brick 47 of lower section, and graphite brick 47 is resistant to 2000 DEG C of high temperature；In addition, also horizontal on the cellucotton 37 of roof Carborundum plate 44 is equipped with, substantial amounts 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：Cooling section 19 is provided with the 3rd pipeline 22；Cooling section 19 is internally provided with Multiple third venting mouths 25, all of third venting mouth 25 are connected with the 3rd pipeline 22, pass through the 3rd inside cooling section 19 Vent 25 is communicated with the 3rd pipeline 22；Cooling blower 10 is provided with 3rd pipeline 22.When kiln car 4 rests on cooling section 19 When, cooling blower 10 works, and is passed through outside air by the 3rd pipeline 22 and third venting mouth 25, to kiln car into cooling section 19 4 are cooled down, and flue gas can be produced in cooling procedure.The first pipeline 20 is provided with cooling section 19, is passed through inside whole tunnel cave 7 First pipeline 20 is connected with drying oven 5, and the flue gas that preheating section 15, suppression section 17 and cooling section 19 are produced all passes through first pipe 20 row of road is to drying oven 5.Various heat insulating refractory materials are again provided with inside cooling section 19, specially：The both sidewalls of kiln wall With cellucotton 37 is all equipped with roof, the effect of cellucotton 37 is insulation；Positioned at 37 upper berth of cellucotton of both sidewalls The first high-alumina brick 38 is provided with, clay brick 40, magnesia brick 41 and clay brick 40 on the first high-alumina brick 38, is from bottom to top equipped with, first is high The effect of aluminum brick 38, clay brick 40 and magnesia brick 41 is fire resistant heat preserving；40 He of clay brick is equipped with 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 additionally operable to prop up Support cellucotton 37；Wherein, 25 bottom of third venting mouth is equipped with clay brick 40, for supporting third venting mouth 25.
In heat insulating refractory material inside tunnel cave 7, the Al of the 3rd high-alumina brick 422O3Content >=98%, the second high-alumina brick 39 Al2O3Content >=65%, the Al of 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 the 3rd high-alumina brick 42 is more than the refractory temperature of the second high-alumina brick 39, the fire resisting temperature of the second high-alumina brick 39 Refractory temperature of the degree more than the first high-alumina brick 38.
The method that the product line device that alloy is produced using microwave heating of the present invention carries out alloy production, including following step Suddenly：
Step 1,
4 row of kiln car stops to the first track 1, the loaded material on kiln car 4；
Step 2,
Kiln car 4 continues to proceed to the second track 2 in drying oven 5, and the high-temperature flue gas in drying oven 5 are on kiln car 4 Material is dried；
Step 3,
After drying, kiln car 4 goes out drying oven 5, and kiln car 4 is loaded on the second support kiln car pusher 9, and by the second support kiln car pusher 9 Kiln car 4 is transported to into 3 entrance of the 3rd track, the second support kiln car pusher 9 places kiln car 4 on the 3rd track 3；
Step 4,
The kiln car 4 of loaded material initially enters preheating section 15 along the 3rd track 3 and stops, and is connected with day in the first burner 26 So gas, is preheated to the material inside preheating section 15 by the first burner 26；After the time of preheating setting terminates, kiln car 4 Move ahead, into microwave section 16；
Step 5,
Kiln car 4 is entered in microwave section 16 and is stopped, and the Microwave emission end 30 at the top of microwave section 16 is sent out to the inside of 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 terminates, kiln car 4 moves ahead, and enters Suppress section 17；
Step 6,
Kiln car 4 enters and suppresses section 17 and stop, and is connected with natural gas in the second burner 27, by the second burner 27 to suppression section Material inside 17 is heated；After the time for suppressing heating setpoint terminates, kiln car 4 moves ahead, into pusher section 18；
Step 7,
Kiln car 4 enters pusher section 18 and stops, and the lifting flashboard 28 of 18 side of pusher section is opened, the hydraulic pressure system outside kiln Material is pushed by push rod and carry out in cooling pond water-cooled by system, and then kiln car 4 proceeds into cooling section 19；
Step 8,
Kiln car 4 is entered in cooling section 19 and is stopped, and cooling blower 10 works, and outside air is passed through the 3rd pipeline 22 and the Three vents 25 are transported to inside cooling section 19, and kiln car 4 is cooled down；
Step 9,
After having cooled down to kiln car 4, kiln car 4 is loaded into upper first support kiln car pusher 8, and kiln car 4 is transported by the first support kiln car pusher 8 1 entrance of the first track is delivered to, the first support kiln car pusher 8 is placed on kiln car 4 on first track 1, carries out next circulation.
In above-mentioned production process, when kiln car 4 is in preheating section 15, the first burner 26 carries out pre- thermogenetic to material Flue gas flows in tunnel cave 7, and by 20 row of the first pipeline to drying oven 5；When kiln car 4 is in microwave section 16, microwave is sent out Penetrate the flue gas for holding 30 pairs of materials to carry out generation during microwave heating to enter in upper plenum 35 by the silicate aluminum board 45 of lower section, combustion air Machine 13 works, and by second pipe 21 and enters cold wind mouth 32 and is blown into cold air into upper plenum 35 high-temperature flue gas are blown to thermal wind exhausting In mouth 31, and high-temperature flue gas are arranged into drying oven 5 by the 5th pipeline 48 and the first pipeline 20；When kiln car 4 is in suppression section When 17, the second burner 27 to material carry out plus thermogenetic flue gas flow in tunnel cave 7, and by 20 row of the first pipeline to do In dry stove 5；When kiln car 4 is in cooling section 19, cooling blower 10 starts, by the 3rd pipeline 22 and third venting mouth 25 to cold But it is passed through cold air to cool down kiln car 4 inside section 19, the flue gas of generation is by 20 row of the first pipeline into drying oven 5；Flow direction Flue gas in drying oven 5 is dried to material, and smoke exhaust fan 14 works, and the flue gas in drying oven 5 passes through the 4th pipeline 29 again Enter in preheating section 15, be in the kiln of preheating section 15, to improve temperature；Whole process forms flow of flue gas circulation.
In addition, kiln car 4 is through preheating section 15 and when suppressing section 17, combustion fan 13 works, by the first pipeline 21 and the One vent 23 be passed through into preheating section 15 air to material heating carry out it is combustion-supporting, by the first pipeline 21 and the second vent 24 To suppress section 17 in be passed through air to material heating carry out it is combustion-supporting.
Motor 12 is additionally provided with the first track 1, motor 12 there are many kilns in orbit by PLC controls Car 4 is walked, and sensor is provided with motor 12, controls the speed of travel of kiln car 4 so that between adjacent two kiln cars 4 Every a certain distance.
The present invention carries the product line device of microwave heating production alloy and can 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 powder it is strong to microwave absorption capacity the characteristics of, using microwave Carbon reduction MnO can be compensated2With the heat needed for FeO, carbothermic reduction reaction is carried out, and reclaims reduction tail gas preheating powder, carry The utilization ratio of high microwave energy.Reduction of carbonaceous poor manganese ore powder is heated using microwave method, the substantial amounts of lean manganese of China can be made full use of Breeze resource, simplifies manganese alloy technological process, realizes full-range self adaptation.

Claims (11)

1. microwave heating produces the product line device of alloy, it is characterised in that：Including track, drying oven (5), tunnel cave (7) and Kiln car (4)；On track, track includes the first track (1), the second track (2) and the 3rd track (3) to the kiln car (4), the , in drying oven (5), the 3rd track (3) is in tunnel cave (7) for two tracks (2)；The tunnel cave (7) is divided into preheating Section (15), microwave section (16), suppression section (17), pusher section (18) and cooling section (19)；
Preheating section (15) place is provided with multiple first burners (26), and the mouthpiece of multiple first burners (26) is against preheating section (15) it is internal；
Microwave emission end (30) is provided with the microwave section (16)；
Suppression section (17) place is provided with multiple second burners (27), and the mouthpiece of multiple second burners (27) is against suppression section (17) it is internal；
The both sides of the pusher section (18) are provided with lifting flashboard (28)；
Communicated with the external world by the 3rd pipeline (22) inside the cooling section (19)；
The first pipeline (20) is provided with the cooling section (19), is passed through the first pipeline (20) inside whole tunnel cave (7) and is done Dry stove (5) is connected；It is connected with preheating section (15) by the 4th pipeline (29) inside the drying oven (5).
2. microwave heating according to claim 1 produces the product line device of alloy, it is characterised in that：First pipeline (20) waste heat fan (11) is provided with；Smoke exhaust fan (14) is provided with 4th pipeline (29).
3. microwave heating according to claim 1 produces the product line device of alloy, it is characterised in that：Along preheating section (15), microwave section (16) and suppression section (17) is provided with second pipe (21)；The second pipe (21) respectively with preheating section (15) internal, microwave section (16) is internal and suppresses to communicate inside section (17)；Combustion fan (13) is provided with second pipe (21).
4. microwave heating according to claim 3 produces the product line device of alloy, it is characterised in that：The microwave section (16) both sides are respectively provided with into cold wind mouth (32) and heat extraction air port (31), enter cold wind mouth (32) and heat extraction air port (31) communicate；Row Hot-air mouth (31) is connected by the 5th pipeline (48) and the first pipeline (20), enters cold wind mouth (32) with second pipe (21) phase Lead to and connect；Communicated with second pipe (21) by entering cold wind mouth (32) inside microwave section (16).
5. microwave heating according to claim 4 produces the product line device of alloy, it is characterised in that：The microwave section (16) various heat insulating refractory materials are internally provided with, from bottom to top longitudinal direction is equipped with height in the both sidewalls of microwave section (16) kiln wall Aluminum 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 direction be equipped with clay brick (40) and magnesia brick (41)；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 enter cold wind mouth (32), upper plenum (35) and heat extraction air port (31) three communicate.
6. microwave heating according to claim 3 produces the product line device of alloy, it is characterised in that：The preheating section (15) multiple first vents (23) are internally provided with, all of first vent (23) is connected with second pipe (21), Communicated with second pipe (21) by the first vent (23) inside preheating section (15)；Suppression section (17) is internally provided with many Individual second vent (24), all of second vent (24) are connected with second pipe (21), suppress logical inside section (17) Cross the second vent (24) to communicate with second pipe (21)；The mouthpiece of first burner (26) is located at the first vent (23) Interior, the mouthpiece of the second burner (27) is located in the second vent (24).
7. microwave heating according to claim 1 produces the product line device of alloy, it is characterised in that：Along cooling section (19) it is provided with the 3rd pipeline (22)；Cooling section (19) is internally provided with multiple third venting mouths (25), all of third venting Mouth (25) is connected with the 3rd pipeline (22), passes through third venting mouth (25) and the 3rd pipeline (22) phase inside cooling section (19) It is logical；Cooling blower (10) is provided with 3rd pipeline (22).
8. microwave heating according to claim 1 produces the product line device of alloy, it is characterised in that：First track The first support kiln car pusher (8) is provided between entrance (1) and the outlet of the 3rd track (3), the second track export (2) and the 3rd track enter The second support kiln car pusher (9) is provided between mouth (3).
9. the method produced by the product line device for producing alloy using microwave heating, it is characterised in that：Comprise the following steps：
Step 1,
Kiln car (4) row stops to the first track (1), the loaded material on kiln car (4)；
Step 2,
Kiln car (4) continues to proceed to the second track (2) in drying oven (5), and the high-temperature flue gas in drying oven (5) are to kiln car (4) material on is dried；
Step 3,
After drying, kiln car (4) goes out drying oven (5), and kiln car (4) is loaded on the second support kiln car pusher (9), and by the second jacking car Kiln car (4) is transported to the 3rd track (3) entrance by machine (9), and kiln car (4) is placed the 3rd track (3) by the second support kiln car pusher (9) On；
Step 4,
The kiln car (4) of loaded material initially enters preheating section (15) along the 3rd track (3) and stops, and leads in the first burner (26) There is natural gas, preheated to the internal material of preheating section (15) by the first burner (26)；Terminate in the time of preheating setting Afterwards, kiln car (4) moves ahead, into microwave section (16)；
Step 5,
Into in microwave section (16) and stopping, the Microwave emission end (30) at the top of microwave section (16) is to microwave section (16) for kiln car (4) Internal emission microwave, carries out microwave heating to the material on kiln car (4)；After the time of microwave heating setting terminates, kiln car (4) Move ahead, into suppression section (17)；
Step 6,
Kiln car (4) enters and suppresses section (17) and stop, and is connected with natural gas, by the second burner (27) to suppression in the second burner (27) The internal material of section (17) processed is heated；After the time for suppressing heating setpoint terminates, kiln car (4) moves ahead, into pusher section (18)；
Step 7,
Kiln car (4) is into pusher section (18) and stops, and the lifting flashboard (28) of pusher section (18) side is opened, will by pusher Burned material carries out water-cooled in all pushing cooling pond, and then kiln car (4) proceeds into cooling section (19)；
Step 8,
Kiln car (4) is into cooling section (19) and stops, cooling blower (10) work, by outside air pass through the 3rd pipeline (22) and Third venting mouth (25) is transported to cooling section (19) inside, and kiln car (4) is cooled down；
Step 9,
After having cooled down to kiln car (4), kiln car (4) is loaded into upper first support kiln car pusher (8), and by the first support kiln car pusher (8) by kiln Car (4) is transported to the first track (1) entrance, and the first support kiln car pusher (8) is placed on kiln car (4) on the first track (1), carries out down One circulation.
10. the method produced by the product line device for producing alloy using microwave heating according to claim 9, its feature It is：Kiln car (4) in preheating section (15) when, the first burner (26) carries out pre- thermogenetic flue gas in tunnel cave (7) to material Middle flowing, and arranged into drying oven (5) by the first pipeline (20)；Kiln car (4) in microwave section (16) when, Microwave emission end (30) flue gas that generation during microwave heating is carried out to material is interior into upper plenum (35) by the silicate aluminum board (45) of lower section, combustion-supporting Blower fan (13) works, and by second pipe (21) and enters cold wind mouth (32) and is blown into cold air by high-temperature flue gas to upper plenum (35) is interior Blow in heat extraction air port (31), and high-temperature flue gas are arranged into drying oven (5) by the 5th pipeline (48) and the first pipeline (20)； In when suppressing section (17), the second burner (27) is carried out plus thermogenetic flue gas stream in tunnel cave (7) kiln car (4) to material It is dynamic, and arranged into drying oven (5) by the first pipeline (20)；Kiln car (4) in cooling section (19) when, cooling blower (10) is opened It is dynamic, cold air is passed through to the inside of cooling section (19) by the 3rd pipeline (22) and third venting mouth (25) kiln car (4) is cooled down, The flue gas of generation is arranged into drying oven (5) by the first pipeline (20)；Flue gas in drying oven (5) is dried to material, row Cigarette blower fan (14) works, and the flue gas in drying oven (5) is entered in preheating section (15) by the 4th pipeline (29)；Whole process is formed Flow of flue gas is circulated.
The method produced by 11. product line devices for producing alloy using microwave heating according to claim 9, its feature It is：Kiln car (4) through preheating section (15) and when suppressing section (17), combustion fan (13) work, by the first pipeline (21) and First vent (23) to be passed through in preheating section (15) air material heating is carried out it is combustion-supporting, by the first pipeline (21) and second Vent (24) to suppress to be passed through in section (17) air material heating is carried out it is combustion-supporting.
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CN113154891B (en) * 2021-05-11 2022-10-25 凤台县天宝建材有限责任公司 Reciprocating movable efficient energy-saving tunnel kiln
CN113280639B (en) * 2021-05-11 2022-12-13 凤台县天宝建材有限责任公司 Fixed high-efficiency energy-saving tunnel kiln

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