CN202116637U - Atmosphere nitridation process control energy-saving equipment - Google Patents
Atmosphere nitridation process control energy-saving equipment Download PDFInfo
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- CN202116637U CN202116637U CN2011201956387U CN201120195638U CN202116637U CN 202116637 U CN202116637 U CN 202116637U CN 2011201956387 U CN2011201956387 U CN 2011201956387U CN 201120195638 U CN201120195638 U CN 201120195638U CN 202116637 U CN202116637 U CN 202116637U
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- nitridation process
- microprocessor
- furnace
- controlled atmosphere
- process energy
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Abstract
The utility model relates to atmosphere nitridation process control energy-saving equipment, which comprises a nitridation furnace 7 and a gas supply system connected with the nitridation furnace 7. The atmosphere nitridation process control energy-saving equipment is characterized by further comprising a nitrogen control system, the nitrogen control system consists of a microprocessor 13, a hydrogen probe 6 and a meter 5, the hydrogen probe 6 is arranged in the nitridation furnace 7 and connected with the microprocessor 13, and the gas supply system is connected with the microprocessor 13 by the meter 5. A preferred scheme includes that a hearth of the nitridation furnace 7 is in an aluminum silicate fiber furnace lining structure. An air inlet cooling annular channel is distributed in the nitridation furnace 7. Compared with the prior art, the atmosphere nitridation process control energy-saving equipment has the advantages that nitrogen potential can be accurately regulated and controlled, electric consumption of the hearth is low, cooling speed is fast, efficiency is high, and direct emission of tail gas is avoided.
Description
Technical field
The utility model relates to the nitriding furnace apparatus field, relates in particular to CA controlled atmosphere nitridation process energy-efficient equipment.
Background technology
At present, when carrying out the gas nitriding processing with the thermal treatment nitriding furnace, most of nitriding equipment is with practical experience manual shift ammonia flow, so the nitriding quality is difficult to guarantee; Some nitriding equipment configurations the ammonia dissociation rate measuring apparatus nitrogen gesture in the stove is monitored; Yet the operation of this device needs operation manually more; Complicated operation; Error is big, can't realize the accurately control automatically of nitrogen gesture, also causes energy waste to a certain extent when finally influencing the nitriding quality.Simultaneously, many old-fashioned nitriding furnaces are that refractory brick is built by laying bricks or stones, and current consumption is big, and heat-up rate is slow; Adopt of cooling led directly to more, and speed is slow, and the time is long; The direct discharging of tail gas has caused topsoil especially.
The utility model content
The purpose of the utility model is exactly can't accuracy controlling in order to overcome existing nitriding furnace nitrogen gesture; Burner hearth current consumption is big, heat-up rate is slow; Speed of cooling is slow, the time is long and tail gas in line cause defectives such as topsoil and provide a kind of can accuracy controlling nitrogen gesture; Burner hearth current consumption is low, and speed of cooling is fast, efficient is high and the CA controlled atmosphere nitridation process energy-efficient equipment of emission-free direct discharging.
The purpose of the utility model can realize through following technical scheme: CA controlled atmosphere nitridation process energy-efficient equipment; Comprise nitriding furnace 7 and the airing system that links to each other with said nitriding furnace 7; Also comprise nitrogen control system; Said nitrogen control system comprises microprocessor 13, hydrogen probe 6 and gauger 5, and said hydrogen probe 6 is arranged in the said nitriding furnace 7 and with said microprocessor 13 and links to each other, and said airing system passes through said gauger 5 and links to each other with said microprocessor 13.
Preferably, said nitriding furnace 7 burner hearths adopt the aluminum silicate fiber furnace lining structure.
Preferably, lay air intake cooling circular channel in the said nitriding furnace 7.
Preferably, said nitrogen control system also comprises thermopair 8, and said thermopair 8 links to each other with said microprocessor 13 with said nitriding furnace 7 respectively.
Preferably, said CA controlled atmosphere nitridation process energy-efficient equipment also comprises the exhaust portfire 11 that links to each other with said nitriding furnace 7 venting ports.
Preferably, said CA controlled atmosphere nitridation process energy-efficient equipment also comprises the warning 14 that links to each other with said microprocessor 13.
Preferably, said nitrogen control system also comprises U type pipe 9, and said U type pipe 9 links to each other with said nitriding furnace 7 respectively.
Compared with prior art, the beneficial effect of the utility model is following:
1, burner hearth adopts the aluminum silicate fiber furnace lining structure, reduces heat storage capacity, shortens the TRT, has reduced energy consumption.
2, improve design of Cooling System, accelerate speed of cooling, improved work efficiency.
3, accuracy controlling nitrogen gesture improves the nitriding quality, accelerates nitriding speed, has shortened the process time.
4, venting port is provided with the exhaust portfire, prevents that residual gas is in line, has reduced atmospheric pollution.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure: the 1st, ammonia jar, the 2nd, reducing valve, the 3rd, moisture eliminator, the 4th, tensimeter, the 5th, gauger, the 6th, hydrogen probe, the 7th, nitriding furnace, the 8th, thermopair, the 9th, U type pipe, the 10th, bubbling bottle, the 11st, exhaust portfire, the 12nd, power supply, the 13rd, microprocessor, the 14th, warning.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment:
As shown in Figure 1; CA controlled atmosphere nitridation process energy-efficient equipment; Comprise nitriding furnace 7 and the airing system that links to each other with said nitriding furnace 7, also comprise nitrogen control system, said nitrogen control system comprises microprocessor 13, hydrogen probe 6 and gauger 5; Said hydrogen probe 6 is arranged in the said nitriding furnace 7 and with said microprocessor 13 and links to each other, and said airing system links to each other with said microprocessor 13 through said gauger 5.Said airing system comprises ammonia jar 1, reducing valve 2, loft drier 3 and tensimeter 4.
In the present embodiment, said nitrogen control system also comprises respectively and said nitriding furnace 7 thermopair 8 that links to each other with said microprocessor 13.
In the present embodiment, said CA controlled atmosphere nitridation process energy-efficient equipment also comprises the exhaust portfire 11 that links to each other with said nitriding furnace 7 venting ports.Said nitriding furnace 7 links to each other with exhaust portfire 11 with bubbling bottle 10 through U type pipe 9, has prevented that residual gas is in line.
In the present embodiment, said CA controlled atmosphere nitridation process energy-efficient equipment also comprises the warning 14 that setting links to each other with said microprocessor 13.
In the foregoing description, the ammonia of ammonia jar 1 gets into through reducing valve 2 and gets into nitriding furnace 7 through gauger 5 after the loft drier 3 that tensimeter 4 is housed is removed moisture; Ammonia decomposes in nitriding furnace 7, to workpiece nitriding in the stove, divides the part of venting one's spleen to link to each other with U type pipe 9 to measure furnace pressure, and a part feeds and feeds 11 ignition of ignition device after bubbling bottle 10 absorbs ammonia; Microprocessor 13 will only compare with setting from the hydrogen hydrogen dividing potential drop (nitrogen gesture) of popping one's head in 6 stoves that record; Deviate is regulated quantity; Provide electrical signal to regulate the ammonia amount that gets in the nitriding furnace 7 to gauger 5 after advancing the D/A digital-to-analog conversion; Thereby make the nitrogen gesture remain on specified value, realize the accurate control of nitrogen gesture; Nitriding furnace 7 temperature are by power supply 12, thermopair 8 and microprocessor 13 controls, when overtemperature, disconnected idol taking place, carrying out sound and light alarm by warning 14 when the nitrogen gesture transfinites.
In the foregoing description, said nitriding furnace 7 burner hearths adopt the aluminum silicate fiber furnace lining structure, reduce heat storage capacity, shorten the TRT, have reduced energy consumption.
In the foregoing description, lay air intake cooling circular channel in the said nitriding furnace 7, accelerated speed of cooling, improved work efficiency.
CA controlled atmosphere nitridation process energy-efficient equipment to the foregoing description carries out performance test; Its key technical indexes is following: temperature uniformity :≤± 5 ℃, and the furnace temperature stability: ± 1 ℃, nominal operation temperature: 650 ℃; Nitrogen gesture uniformity coefficient :≤± 0.05%Np; Nitrogen gesture control accuracy :≤± 0.02%Np, nitriding layer depth scope: 0.1-1.2mm, nitride layer deviation :≤± 8%.
Claims (7)
1. CA controlled atmosphere nitridation process energy-efficient equipment; Comprise nitriding furnace (7) and the airing system that links to each other with said nitriding furnace (7); It is characterized in that: also comprise nitrogen control system; Said nitrogen control system comprises microprocessor (13), hydrogen probe (6) and gauger (5), and said hydrogen probe (6) is arranged in the said nitriding furnace (7) and with said microprocessor (13) and links to each other, and said airing system passes through said gauger (5) and links to each other with said microprocessor (13).
2. CA controlled atmosphere nitridation process energy-efficient equipment as claimed in claim 1 is characterized in that: said nitriding furnace (7) burner hearth adopts the aluminum silicate fiber furnace lining structure.
3. CA controlled atmosphere nitridation process energy-efficient equipment as claimed in claim 1 is characterized in that: lay air intake cooling circular channel in the said nitriding furnace (7).
4. like claim 1,2 or 3 described CA controlled atmosphere nitridation process energy-efficient equipments, it is characterized in that: said nitrogen control system also comprises thermopair (8), and said thermopair (8) links to each other with said microprocessor (13) with said nitriding furnace (7) respectively.
5. like claim 1,2 or 3 described CA controlled atmosphere nitridation process energy-efficient equipments, it is characterized in that: said CA controlled atmosphere nitridation process energy-efficient equipment also comprises the exhaust portfire (11) that links to each other with said nitriding furnace (7) venting port.
6. like claim 1,2 or 3 described CA controlled atmosphere nitridation process energy-efficient equipments, it is characterized in that: said CA controlled atmosphere nitridation process energy-efficient equipment also comprises the warning (14) that links to each other with said microprocessor (13).
7. like claim 1,2 or 3 described CA controlled atmosphere nitridation process energy-efficient equipments, it is characterized in that: said CA controlled atmosphere nitridation process energy-efficient equipment also comprises U type pipe (9), and said U type pipe (9) links to each other with said nitriding furnace (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201956387U CN202116637U (en) | 2011-06-10 | 2011-06-10 | Atmosphere nitridation process control energy-saving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201956387U CN202116637U (en) | 2011-06-10 | 2011-06-10 | Atmosphere nitridation process control energy-saving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202116637U true CN202116637U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201956387U Expired - Fee Related CN202116637U (en) | 2011-06-10 | 2011-06-10 | Atmosphere nitridation process control energy-saving equipment |
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| CN (1) | CN202116637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981481A (en) * | 2014-04-28 | 2014-08-13 | 浙江海洋学院 | Screw nitriding system and application method |
| CN103981480B (en) * | 2014-04-28 | 2017-03-15 | 浙江省舟山中学 | A kind of Rapid Nitriding Techniques |
| CN110760786A (en) * | 2019-11-30 | 2020-02-07 | 重庆望江工业有限公司 | Nitriding heat treatment method for controlling nitrogen potential |
-
2011
- 2011-06-10 CN CN2011201956387U patent/CN202116637U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981481A (en) * | 2014-04-28 | 2014-08-13 | 浙江海洋学院 | Screw nitriding system and application method |
| CN103981480B (en) * | 2014-04-28 | 2017-03-15 | 浙江省舟山中学 | A kind of Rapid Nitriding Techniques |
| CN110760786A (en) * | 2019-11-30 | 2020-02-07 | 重庆望江工业有限公司 | Nitriding heat treatment method for controlling nitrogen potential |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20140610 |