CN203498460U - Middle-low-pressure high-temperature alloy nitridation device - Google Patents
Middle-low-pressure high-temperature alloy nitridation device Download PDFInfo
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- CN203498460U CN203498460U CN201320607338.4U CN201320607338U CN203498460U CN 203498460 U CN203498460 U CN 203498460U CN 201320607338 U CN201320607338 U CN 201320607338U CN 203498460 U CN203498460 U CN 203498460U
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- heater
- furnace
- mesolow
- superalloy
- nitrogenize
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Abstract
The utility model discloses a middle-low-pressure high-temperature alloy nitridation device. The alloy nitridation device comprises a furnace body, wherein a top hole is formed in the top of the furnace body, a sealing furnace cover is detachably connected to the top hole of the furnace body, and an interlayer is arranged in the sealing furnace cover and is provided with a cooling inlet and a cooling outlet; the furnace body is further provided with a feeding hole, a discharging hole, an air inlet and an air outlet, the air inlet of the furnace body is connected with a nitrogen inlet pipeline, and a heating device and a thermal insulating device are arranged in the furnace body. The middle-low-pressure high-temperature alloy nitridation device is efficient and energy-saving and can conveniently realize the mass production of iron vanadium nitride.
Description
Technical field
The utility model relates to a kind of mesolow superalloy nitrogenize equipment.
Background technology
The alloy addition of vanadium system mainly contains vanadium iron, vanadium nitride, ferrovanadium nitride.With vanadium iron, compare with vanadium nitride, ferrovanadium nitride more can effectively improve the intensity of steel, improves the overall characteristics such as toughness of steel, improves the stability of reinforcement property; Can reduce ton steel cost simultaneously.
At present, the production of ferrovanadium nitride adopts solid State Nitriding method conventionally, and production unit mainly contains pushed bat kiln and High Temperature High Pressure synthetic furnace.The disposable Meteorological of pushed bat kiln is high, palpus consecutive production, and production technique is wayward, and product ton energy consumption is large.High Temperature High Pressure synthetic furnace is simple in structure, energy consumption is little, but its single furnace output is lower, and equipment needs high temperature high voltage resistant, has certain potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of efficient, energy-conservation, and is convenient to realize the mesolow superalloy nitrogenize equipment of scale operation ferrovanadium nitride.
For achieving the above object, the utility model adopts following technical scheme: mesolow superalloy nitrogenize equipment, comprise that top arranges the body of heater of top mouth, the mouth place, top of body of heater is removably connected with airtight bell, in airtight bell, establish interlayer, interlayer is provided with cooling import and coolant outlet, and body of heater is also provided with opening for feed, discharge port, inlet mouth and air outlet, body of heater inlet mouth is connected with nitrogen admission passage, establishes heating unit and attemperator in body of heater.
Body of heater connects vacuum pump by vacuum-lines.
Described inlet mouth comprises top inlet mouth and bottom air inlet, is provided with successively storage nitrogen tank and spraying gun on nitrogen admission passage, and the outlet side of nitrogen admission passage connects top inlet mouth, the second tracheae connection bottom air inlet by the first tracheae respectively.
Air outlet arranges two and lay respectively at the both sides on furnace bottom top altogether.
Attemperator comprises outer thermal insulation layer, internal layer thermal insulation layer, outer furnace wall and the internal layer furnace wall from outside to inside setting gradually on furnace body inside wall, establishes furnace bottom thermal insulation layer and the flue that is positioned at furnace bottom thermal insulation layer upside in furnace bottom.
Described heating unit is the electric heating tube being arranged in outer furnace wall.
On the sidewall of body of heater and on bottom surface, be respectively equipped with rod temperature test thermopair and furnace temperature test thermopair.
Described opening for feed is located at sealed furnace and is covered, and discharge port is located on sidewall of the furnace body.
Described cooling ingress is provided with the sub-valve of current automatic control electric, and coolant outlet place is provided with water temp. alarm.
Body of heater inside diameter ranges is that 800mm-1200mm, altitude range are that 1000mm-1200mm, volume scope are 0.5m
3-1.3m
3.
Mesolow superalloy nitrogenize equipment described in the utility model, by airtight bell press seal body of heater top mouthful, and both are demountable structure, and by the throat-fed of upper end, the discharge hole for discharge of bottom, can realize quick input and output material, shortens the production cycle; Cooling import and the coolant outlet of airtight bell are respectively used to into and out of water coolant, be equivalent to a refrigerating unit, water coolant enters interlayer and is spiral two-way type from the methods for cooling that coolant outlet is discharged from cooling import, and at cooling import and coolant outlet place difference arrange accordingly current automatically controlled valve and water temperature alarm device, 80 ℃ of alarm temperatures, are convenient to control and the body of heater cooling period are shortened greatly; Heating unit, by being provided with a plurality of electric heating tubes in body of heater, both can be rapidly heated to preset temp, can guarantee again the homogeneity of furnace body temperature; In body of heater, establish temperature thermocouple: excellent temperature measurement thermopair and measurement of furnace temperature thermopair, temperature-measuring range is 0-1400 ℃, can monitor in real time temperature in stove.Body of heater is provided with top inlet mouth and bottom air inlet, and furnace bottom is provided with air outlet, guarantees that thus in stove, tolerance is sufficient, is evenly distributed, and improves the nitrogenize efficiency of vanadium iron.The utility model, for mesolow superalloy nitrogenize equipment, is specially adapted to the nitrogenize building-up process of ferrovanadium nitride, and in addition, also tool has the following advantages:
1, mesolow superalloy nitrogenize equipment does not need the high voltage bearing problem of consideration equipment, and only needing has certain sealing property, and equipment cost is lower than pushed bat kiln and high pressure synthesizer.
2, owing to adopting multilayer insulation insulation to process, have good heat insulation effect, this equipment ton consumes energy far below pushed bat kiln, energy-conserving and environment-protective.
3, due to body of heater internal diameter and highly all larger, single stove amount of filler can reach 1.5 tons, and manufacture order furnace output is 1.7 tons, has greatly improved single stove turnout, can realize scale operation.
4, this equipment can be used for producing 40 ferrovanadium nitrides, 45 ferrovanadium nitrides, and 50 ferrovanadium nitrides, the nitrided iron alloys such as 60 ferrovanadium nitrides, product nitrogen rate is not less than market like product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of body of heater discharge port.
Embodiment
By the mesolow superalloy nitrogenize equipment shown in Fig. 1 and Fig. 2, comprise that top arranges the body of heater 21 of top mouth, the mouth place, top of body of heater 21 is removably connected with airtight bell 20, airtight bell 20 passes through push bolt fit sealing on the mouth of the top of body of heater 21, in airtight bell 20, establish interlayer, interlayer is provided with cooling import 19 and coolant outlet 8, cooling import 19 is respectively used to be connected water inlet pipe and rising pipe with coolant outlet 8, body of heater 21 is water-cooled, water coolant enters interlayer and the methods for cooling of discharging from coolant outlet 8 is spiral two-way type from cooling import 19, and cooling import 19 places are provided with the sub-valve 18 of current automatic control electric, coolant outlet 8 places are provided with water temp. alarm 12, alarm temperature is 80 °.
The internal diameter of described body of heater 21 is 900mm, highly for 1100mm, volume are 1m
3.Certainly, the utility model is not limited to above-mentioned form, body of heater 21 inside diameter ranges between 800mm-1200mm, altitude range between 1000mm-1200mm, volume scope is at 0.5m
3-1.3m
3between all can, like this, greatly improved the turnout of single stove.In body of heater 21, establish heating unit and attemperator, wherein attemperator comprises the outer thermal insulation layer 22 from outside to inside setting gradually on body of heater 21 inner side-walls, internal layer thermal insulation layer 23, outer furnace wall 29 and internal layer furnace wall 14, on the inner side-wall of body of heater 21, be provided with outer thermal insulation layer 22, the inner side of outer thermal insulation layer 22 is provided with internal layer thermal insulation layer 23, the inner side of internal layer thermal insulation layer 23 is provided with outer furnace wall 29, the inner side of outer furnace wall 29 is provided with internal layer furnace wall 14, in furnace bottom, establish furnace bottom thermal insulation layer 25 and the flue 30 that is positioned at furnace bottom thermal insulation layer 25 upsides, flue 30 and furnace bottom thermal insulation layer 25 are located in the bottom of body of heater 21 up and down, described heating unit is the electric heating tube 13 being arranged in outer furnace wall 29.On the sidewall of body of heater 21 and on bottom surface, be respectively equipped with rod temperature test thermopair 10 and furnace temperature test thermopair 17, rod temperature test thermopair 10 and furnace temperature test thermopair 17 are temperature detection rod thermopair, both ends all insert body of heater 21 inner chambers and all for testing the interior temperature of body of heater 21, temperature-measuring range is 0 ℃-1400 ℃.
Body of heater 21 is also provided with opening for feed 16, discharge port 26, inlet mouth and air outlet 11, and wherein opening for feed 16 is located on airtight bell 20, and discharge port 26 is located on the sidewall of body of heater 21 bottoms, and discharge port 26 places are also provided with switch gate.Described inlet mouth comprises top inlet mouth 9 and bottom air inlet 15, top inlet mouth 9 and bottom air inlet 15 lay respectively on the top sidewall and bottom surface of body of heater 21, and bottom air inlet 15 is communicated with body of heater 21 inner chambers through bottom flue, body of heater 21 inlet mouths all connect nitrogen admission passage, on nitrogen admission passage, be provided with successively storage nitrogen tank 3, storage nitrogen tank air outlet 11 control valves 4, gas-pressure meter 5, spraying gun 6 and gas meter 7, storage nitrogen tank 3 is provided with gas-holder inlet mouth 2 and gas-holder inlet mouth 2 places are provided with inlet mouth control valve 1, the residing pipeline of gas meter end is the outlet side of nitrogen admission passage, and the outlet side of nitrogen admission passage connects top inlet mouth 9 by the first tracheae respectively, the second tracheae connects bottom air inlet 15.Air outlet 11 arranges two and lay respectively at the both sides on furnace bottom 25 tops altogether, and air outlet 11 is positioned at the both sides of furnace bottom 25 flue upsides, and air outlet 11 is successively through outer thermal insulation layer 22, internal layer thermal insulation layer 23 and furnace wall 14 and be communicated with body of heater 21 inner chambers.Described body of heater 21 connects vacuum pump 28 by vacuum-lines 27, and vacuum-lines 27 ends are communicated with body of heater 21 inner chambers.
Mesolow superalloy nitrogenize equipment described in the utility model, in use, by opening for feed 16 chargings, and vacuumize by vacuum pump 28, then by nitrogen admission passage, in body of heater 21, be filled with nitrogen, heating unit starts heating furnace body 21, after nitrogenize completes, in interlayer, be filled with water coolant body of heater 21 is carried out cooling, after from discharge port 26, discharge materials.
Claims (10)
1. a mesolow superalloy nitrogenize equipment, it is characterized in that: comprise that top arranges the body of heater of top mouth, the mouth place, top of body of heater is removably connected with airtight bell, in airtight bell, establish interlayer, interlayer is provided with cooling import and coolant outlet, body of heater is also provided with opening for feed, discharge port, inlet mouth and air outlet, and body of heater inlet mouth is connected with nitrogen admission passage, establishes heating unit and attemperator in body of heater.
2. mesolow superalloy nitrogenize equipment as claimed in claim 1, is characterized in that: body of heater connects vacuum pump by vacuum-lines.
3. mesolow superalloy nitrogenize equipment as claimed in claim 1, it is characterized in that: described inlet mouth comprises top inlet mouth and bottom air inlet, on nitrogen admission passage, be provided with successively storage nitrogen tank and spraying gun, and the outlet side of nitrogen admission passage connects top inlet mouth, the second tracheae connection bottom air inlet by the first tracheae respectively.
4. mesolow superalloy nitrogenize equipment as claimed in claim 1, is characterized in that: air outlet arranges two and lay respectively at the both sides on furnace bottom top altogether.
5. mesolow superalloy nitrogenize equipment as claimed in claim 1, it is characterized in that: attemperator comprises outer thermal insulation layer, internal layer thermal insulation layer, outer furnace wall and the internal layer furnace wall from outside to inside setting gradually on furnace body inside wall, in furnace bottom, establish furnace bottom thermal insulation layer and the flue that is positioned at furnace bottom thermal insulation layer upside.
6. mesolow superalloy nitrogenize equipment as claimed in claim 4, is characterized in that: described heating unit is the electric heating tube being arranged in outer furnace wall.
7. mesolow superalloy nitrogenize equipment as claimed in claim 1, is characterized in that: on the sidewall of body of heater and on bottom surface, be respectively equipped with rod temperature test thermopair and furnace temperature test thermopair.
8. mesolow superalloy nitrogenize equipment as claimed in claim 1, is characterized in that: described opening for feed is located at sealed furnace and is covered, and discharge port is located on sidewall of the furnace body.
9. mesolow superalloy nitrogenize equipment as claimed in claim 1, is characterized in that: described cooling ingress is provided with the sub-valve of current automatic control electric, and coolant outlet place is provided with water temp. alarm.
10. mesolow superalloy nitrogenize equipment as claimed in claim 1, is characterized in that: body of heater inside diameter ranges is that 800mm-1200mm, altitude range are that 1000mm-1200mm, volume scope are 0.5m
3-1.3m
3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607338.4U CN203498460U (en) | 2013-09-29 | 2013-09-29 | Middle-low-pressure high-temperature alloy nitridation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607338.4U CN203498460U (en) | 2013-09-29 | 2013-09-29 | Middle-low-pressure high-temperature alloy nitridation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203498460U true CN203498460U (en) | 2014-03-26 |
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ID=50329456
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320607338.4U Expired - Lifetime CN203498460U (en) | 2013-09-29 | 2013-09-29 | Middle-low-pressure high-temperature alloy nitridation device |
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| CN (1) | CN203498460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374143A (en) * | 2018-03-13 | 2018-08-07 | 海宁市天丰磁业有限公司 | A kind of nitridation equipment of magnetic material |
-
2013
- 2013-09-29 CN CN201320607338.4U patent/CN203498460U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374143A (en) * | 2018-03-13 | 2018-08-07 | 海宁市天丰磁业有限公司 | A kind of nitridation equipment of magnetic material |
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Granted publication date: 20140326 |