CN103981481A - Screw nitriding system and application method - Google Patents
Screw nitriding system and application method Download PDFInfo
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- CN103981481A CN103981481A CN201410173161.0A CN201410173161A CN103981481A CN 103981481 A CN103981481 A CN 103981481A CN 201410173161 A CN201410173161 A CN 201410173161A CN 103981481 A CN103981481 A CN 103981481A
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Abstract
A screw nitriding system belongs to the technical field of heat treatment and comprises a pressure gauge, first three-way valves, an adjustable pressure relief valve, an igniter, second three-way valves, a nitriding furnace, a third three-way valve, a pressure regulation valve, a valve, a first generator, a one-way valve and a second generator, wherein the pressure gauge, the first three-way valves, the adjustable pressure relief valve, the igniter and the second three-way valves are sequentially connected to the nitriding furnace through a pipeline, two first three-way valves and two second three-way valves are respectively arranged, the first thee-way valves and the second three-way valves are respectively connected with the first generator and the second generator in parallel through pipelines. By the adoption of a nitriding technology in the system, technical indexes , achieved by an original process within 80 hours, of a screw can be achieved within 40 hours, screw nitriding efficiency is improved, and the nitriding system is easy and convenient to use.
Description
Technical field
The present invention relates to screw rod nitride system, is mainly a kind of nitrogenize principle that adopts external catalyst effect, belongs to heat treatment technics field.
Background technology
Nitriding is in certain medium, to make nitrogen-atoms infiltrate the chemical heat treatment process of workpiece surface at a certain temperature.Common have liquid nitriding, gas nitriding, an ionitriding.Traditional gas nitriding is that workpiece is put into sealed vessel, pass to mobile ammonia heating, after the insulation long period, ammonia thermolysis produces activated nitrogen atom, constantly be adsorbed onto workpiece surface, and in diffusion infiltration workpiece surface, thereby chemical composition and the tissue on change top layer obtain good surface property.And this nitriding time is long, especially, in the nitridation process of screw rod, reach good nitriding effect and want 80 hours, cause nitriding efficiency low, be a urgent problem at present.
Summary of the invention
The object of this invention is to provide screw rod nitride system and using method.
The problem to be solved in the present invention is the inefficient deficiency of existing screw rod nitriding.
For realizing object of the present invention, the technical solution used in the present invention is:
Screw rod nitride system, comprise tensimeter, the first T-valve, adjustable pressure release valve, lighter for ignition, the second T-valve, nitriding furnace, the 3rd T-valve, relief valve, valve, the first producer, check valve and the second producer, described tensimeter, the first T-valve, adjustable pressure release valve, lighter for ignition, the second T-valve access nitriding furnace by pipeline successively, the first T-valve and the second T-valve are respectively equipped with two, and the first T-valve and the second T-valve are parallel with respectively the first producer, the second producer by pipeline.
Described first producer one end is provided with the 3rd T-valve, valve, check valve and receives the first T-valve by pipeline, and the other end is provided with the 3rd T-valve, valve is linked into the second T-valve by pipeline, between two the 3rd T-valve, is provided with relief valve.
Described the first producer, the second producer are double-layer shell structure, and body clearance is 10cm and is full of water, while meeting accident for absorbing ammonia.
Electrolytic solution in described the first producer, the second producer is the mixture of C5H5N, C3H6N6, water, CH3NH2, HCl, KNO3, and the mass ratio that each composition accounts for mixture is respectively 17%, 18%, 20%, 13%, 16%, 16%.
Described the first producer, the second producer are PVC plastic material, and diameter is one meter, have good insulativity.
The using method of screw rod nitride system: first open the first producer, the second producer carries out electrolysis, in pipeline, lead to ammonia by tensimeter, adjustable pressure release valve regulates pressure release, make its most of ammonia by the first T-valve, enter into the first producer, in the second producer, after mixing with water electrolytic gas, enter into and in nitriding furnace, carry out Rapid Nitriding through the second T-valve, if the first producer, in the second producer, occur abnormal, manifold pressure increases severely, can arrange lighter for ignition simultaneously outward by adjustable pressure release valve lights ammonia, to guarantee safety, in nitridation process, can regulate according to the experience of nitrogenize, gas and the ammonia of suitably adjusting the electrolysis of relief valve reach best ratio, obtain best nitrogenize efficiency and quality.
Advantage of the present invention is: the nitridation technique that native system adopts, can within the time of 40 hours, reach the original technique of the screw rod technical indicator of 80 hours, and improve screw rod nitriding efficiency, should there is the market space widely.
Brief description of the drawings
Fig. 1 is the schematic diagram of screw rod nitride system of the present invention;
Fig. 2 is the enlarged diagram of the first producer and the second producer;
In figure: 1, tensimeter 2, the first T-valve 3, adjustable pressure release valve 4, lighter for ignition 5, the second T-valve 6, nitriding furnace 7, the 3rd T-valve 8, relief valve 9, valve 10, the first producer 11, check valve 12, the second producer.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in the figure, screw rod nitride system, comprise tensimeter 1, the first T-valve 2, adjustable pressure release valve 3, lighter for ignition 4, the second T-valve 5, nitriding furnace 6, the 3rd T-valve 7, relief valve 8, valve 9, the first producer 10, check valve 11 and the second producer 12, described tensimeter 1, the first T-valve 2, adjustable pressure release valve 3, lighter for ignition 4, the second T-valve 5 accesses nitriding furnace 6 by pipeline successively, the first T-valve 2 and the second T-valve 5 are respectively equipped with two, the first T-valve 2 and the second T-valve 5 are parallel with respectively the first producer 10 by pipeline, the second producer 12.
Described first producer 10 one end are provided with the 3rd T-valve 7, valve 9, check valve 11 and receive the first T-valve 2 by pipeline, the other end is provided with the 3rd T-valve 7, valve 9 is linked between 5, two the 3rd T-valve 7 of the second T-valve and is provided with relief valve 8 by pipeline; The second producer 12 is identical with the mode of connection of the first producer 10, and work is carried out in two kinds of parallel connections; When check valve 11 can effectively try to avert accidents, gas pours in down a chimney the whole equipment that damages.
Described the first producer 10, the second producer 12 are double-layer shell structure, and body clearance is 10cm and is full of water, while meeting accident for absorbing ammonia, the poisoning and explosion hazard of the personnel that prevent.
Electrolytic solution in described the first producer 10, the second producer 12 is the mixture of C5H5N, C3H6N6, water, CH3NH2, HCl, KNO3, the mass ratio that each composition accounts for mixture is respectively 17%, 18%, 20%, 13%, 16%, 16%, and the gas that this electrolytic solution produced in when work can accelerate to realize under nitriding efficiency the cooperation at native system the complete nitriding of 40 hours greatly.
Described the first producer 10, the second producer 12 are PVC plastic material, and diameter is one meter, has good insulativity, and electric shock accidents occurs can effectively prevent electrolysis time.
The using method of native system: first open the first producer 10, the second producer 12 carries out electrolysis, in pipeline, lead to ammonia by tensimeter 1, adjustable pressure release valve 3 regulates pressure release, make its most of ammonia by the first T-valve 2, enter into the first producer 10, in the second producer 12, after mixing with water electrolytic gas, enter into and in nitriding furnace 6, carry out Rapid Nitriding through the second T-valve 5, if the first producer 10, the interior generation of the second producer 12 is abnormal, manifold pressure increases severely, can ammonia be lighted by the outer row's while lighter for ignition 4 of adjustable pressure release valve 3, to guarantee safety, in nitridation process, can regulate according to the experience of nitrogenize, gas and the ammonia of suitably adjusting the electrolysis of relief valve 8 reach best ratio, obtain best nitrogenize efficiency and quality, easy to use.
Claims (6)
1. screw rod nitride system, comprise tensimeter (1), the first T-valve (2), adjustable pressure release valve (3), lighter for ignition (4), the second T-valve (5), nitriding furnace (6), the 3rd T-valve (7), relief valve (8), valve (9), the first producer (10), check valve (11) and the second producer (12), it is characterized in that: described tensimeter (1), the first T-valve (2), adjustable pressure release valve (3), lighter for ignition (4), the second T-valve (5) accesses nitriding furnace (6) by pipeline successively, the first T-valve (2) and the second T-valve (5) are respectively equipped with two, the first T-valve (2) and the second T-valve (5) are parallel with respectively the first producer (10) by pipeline, the second producer (12).
2. screw rod nitride system according to claim 1, it is characterized in that: described the first producer (10) one end is provided with the 3rd T-valve (7), valve (9), check valve (11) and receives the first T-valve (2) by pipeline, the other end is provided with the 3rd T-valve (7), valve (9) is linked into the second T-valve (5) by pipeline, between two the 3rd T-valve (7), is provided with relief valve (8).
3. screw rod nitride system according to claim 1, is characterized in that: described the first producer (10), the second producer (12) are double-layer shell structure, and body clearance is 10cm and is full of water, while meeting accident for absorbing ammonia.
4. screw rod nitride system according to claim 1, it is characterized in that: the electrolytic solution in described the first producer (10), the second producer (12) is the mixture of C5H5N, C3H6N6, water, CH3NH2, HCl, KNO3, and the mass ratio that each composition accounts for mixture is respectively 17%, 18%, 20%, 13%, 16%, 16%.
5. screw rod nitride system according to claim 1, is characterized in that: described the first producer (10), the second producer (12) are PVC plastic material, and diameter is one meter, has good insulativity.
6. the using method based on screw rod nitride system, it is characterized in that: first open the first producer (10), the second producer (12) carries out electrolysis, in pipeline, lead to ammonia by tensimeter (1), adjustable pressure release valve (3) regulates pressure release, make its most of ammonia by the first T-valve (2), enter into the first producer (10), in the second producer (12), after mixing with water electrolytic gas, in entering into nitriding furnace (6), the second T-valve (5) carries out Rapid Nitriding, if the first producer (10), in the second producer (12), occur abnormal, manifold pressure increases severely, can ammonia be lighted by adjustable pressure release valve (3) outer row while lighter for ignition (4), to guarantee safety, in nitridation process, can regulate according to the experience of nitrogenize, gas and the ammonia of suitably adjusting the electrolysis of relief valve (8) reach best ratio, obtain best nitrogenize efficiency and quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410173161.0A CN103981481A (en) | 2014-04-28 | 2014-04-28 | Screw nitriding system and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410173161.0A CN103981481A (en) | 2014-04-28 | 2014-04-28 | Screw nitriding system and application method |
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| Publication Number | Publication Date |
|---|---|
| CN103981481A true CN103981481A (en) | 2014-08-13 |
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| CN201410173161.0A Pending CN103981481A (en) | 2014-04-28 | 2014-04-28 | Screw nitriding system and application method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197822A (en) * | 2005-12-28 | 2007-08-09 | Air Water Inc | Method for nitriding metal and vane member |
| CN202116637U (en) * | 2011-06-10 | 2012-01-18 | 安徽省科捷再生能源利用有限公司 | Atmosphere nitridation process control energy-saving equipment |
| CN203320109U (en) * | 2013-06-25 | 2013-12-04 | 綦江长风齿轮（集团）有限公司 | Rapid nitriding system |
| JP2013249524A (en) * | 2012-06-01 | 2013-12-12 | Nippon Techno:Kk | Gas nitriding and gas nitrocarburizing method |
-
2014
- 2014-04-28 CN CN201410173161.0A patent/CN103981481A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197822A (en) * | 2005-12-28 | 2007-08-09 | Air Water Inc | Method for nitriding metal and vane member |
| CN202116637U (en) * | 2011-06-10 | 2012-01-18 | 安徽省科捷再生能源利用有限公司 | Atmosphere nitridation process control energy-saving equipment |
| JP2013249524A (en) * | 2012-06-01 | 2013-12-12 | Nippon Techno:Kk | Gas nitriding and gas nitrocarburizing method |
| CN203320109U (en) * | 2013-06-25 | 2013-12-04 | 綦江长风齿轮（集团）有限公司 | Rapid nitriding system |
Non-Patent Citations (4)
| Title |
|---|
| 严家麒: ""电解气体催渗软氮化"", 《机械工人》 * |
| 徐新初等: ""电解催渗气体软氮化"", 《金属热处理》 * |
| 沈阳机电学院热处理专业: ""国内外气体软氮化发展概况"", 《模具通讯》 * |
| 王忠诚编: "《热处理操作简明手册》", 31 March 2008 * |
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Application publication date: 20140813 |