CN109504937A - A kind of drilling rod finishing stove - Google Patents
A kind of drilling rod finishing stove Download PDFInfo
- Publication number
- CN109504937A CN109504937A CN201910037262.8A CN201910037262A CN109504937A CN 109504937 A CN109504937 A CN 109504937A CN 201910037262 A CN201910037262 A CN 201910037262A CN 109504937 A CN109504937 A CN 109504937A
- Authority
- CN
- China
- Prior art keywords
- furnace body
- partition door
- chamber
- drilling rod
- rod finishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a kind of drilling rod finishing stoves, it includes the furnace body in Horizontal tubular, the both ends of furnace body are respectively feeding port and feed opening, feeding port, the first partition door is respectively arranged at feed opening, second partition door, the inner cavity vacuum of furnace body and it is divided into preheating chamber, nitrogenize room, oxidizing chamber and cooling chamber, preheating chamber, nitrogenize room, oxidizing chamber and the cooling chamber successively company of suffering, and it is correspondingly arranged on third partition door between any two, 4th partition door, 5th partition door, it is provided with transmission mechanism in furnace body and holds the material frame of bar material, material frame is driven across each partition door by transmission mechanism and successively passes through preheating chamber, nitrogenize room, oxidizing chamber and cooling chamber.Bar material is laid flat using Horizontal tubular structure and is conveyed through each process chamber by above-mentioned drilling rod finishing stove, it can make bar material independence by multiple partition doors and transmission mechanism, be continuously completed various processes, it is high in machining efficiency, it is with short production cycle, operation safety nitrogenizes high-quality.
Description
Technical field
The present invention relates to coal mine gallery probing metal drill pipe technical field of processing equipment more particularly to a kind of drilling rod to process
Furnace.
Background technique
Drilling rod is that essential tool needs to include joint to the body of rod in drilling rod production process in probing industry
It is surface-treated, once it bends when may directly result in use, be broken thing the reason is that there are scuffing or notch etc. in surface
Therefore, it is necessary to shutdown maintenance or replacement drilling rod, serious influence drilling quality cause drilling to be scrapped, and substantially reduce drilling operation effect
Rate is unable to satisfy the production needs of each coal mine.
In this regard, being surface-treated using nitriding process to drilling rod in industry.Nitriding is to penetrate into Nitrogen ion in metal works surface layer
Chemical heat treatment process, on the one hand the nitrogen penetrated into steel from outward appearance to inner essence forms the nitrided irons of different nitrogen contents from iron, on the one hand
Various alloy nitrides, especially aluminium nitride, chromium nitride etc. are formed in conjunction with the element in steel, similar nitride has very high
Hardness, thermal stability and the very high spread, thus can make the steel part after nitriding obtain high surface hardness, wearability,
The abilities such as fatigue strength, bite-resistant, anticorrosive.
Wherein, glow ion nitriding is free of contamination metal surface enhanced technique, but current ion nitriding furnace is mostly
Using bell-jar structure, i.e., bar material is erected in a furnace body, covers bell, vacuumized and control internal furnace temperature, reach
Temperature is needed to nitridation.Using such furnace, bell needs to repeat to open in one cycle, serious heat loss, single process bar
Expect limited, bar material loading and unloading inconvenience, and limited by furnace body, machinable bar material size has significant limitations, and general processing
In-furnace temperature will be cooled to 200 degree or so workpiece just from more than 500 degree under vacuum conditions and can come out of the stove after completion blowing out, expend the time
Long, production efficiency is low, and energy consumption is big, and nitridation quality is general, is unfavorable for producing in enormous quantities.
Summary of the invention
The purpose of the present invention is to provide a kind of drilling rod finishing stoves, aiming at the problems existing in the prior art, change furnace body
Structure controls thermal losses, improves processing efficiency.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of drilling rod finishing stove comprising in the furnace body of Horizontal tubular, the both ends of furnace body are respectively feeding port and feed opening,
It is respectively arranged with the first partition door, the second partition door at feeding port, feed opening, the inner cavity vacuum of furnace body and is divided into preheating chamber, nitrogen
Change room, oxidizing chamber and cooling chamber, preheating chamber nitrogenizes room, oxidizing chamber and the cooling chamber successively company of suffering, and is correspondingly arranged between any two
Third partition door, the 4th partition door, the 5th partition door are provided with transmission mechanism in furnace body and hold the material frame of bar material, material frame by
Transmission mechanism is driven across each partition door and successively by preheating chamber, nitridation room, oxidizing chamber and cooling chamber.
Wherein, insulating layer has been wrapped outside furnace body, there are heat-insulated gap, furnace body and heat preservations between insulating layer and the outer wall of furnace body
Layer is transparent visual part.
Wherein, electric furnace heating wire is arranged in the outer wall surface of furnace body.
Wherein, material frame includes support tube and support plate, and multiple support plates are fixed by reinforcing rib interval, at least two supports
Tube side-by-side is fixed on the bottom of support plate and vertical with support plate, and several putting holes are offered in support plate.
Wherein, transmission mechanism includes several and the vertically arranged driven roller of furnace body, driven roller protrude into the inner cavity of furnace body and
Positioned at the bottom of inner cavity, support tube crossbearer is outermost in driven roller, being arranged at intervals with two limit sleeves in each driven roller
Two support tubes are located between two limit sleeves, and sealing shroud is provided between driven roller and furnace body.
Wherein, each partition door is gate valve.
Wherein, preheating chamber includes the first preheating zone and the second preheating zone, is arranged between the first preheating zone and the second preheating zone
There is the 6th partition door, the temperature setting of the first preheating zone is 280~320 DEG C, and the temperature setting of the second preheating zone is 480~520
℃。
Wherein, nitridation room includes several glow discharge zones, and the temperature setting of glow discharge zone is 520 DEG C.
Wherein, the temperature setting of oxidizing chamber is 340~380 DEG C.
Wherein, 480~520Pa is evacuated in furnace body.
To sum up, beneficial effects of the present invention are that compared with prior art, the drilling rod finishing stove uses Horizontal tubular structure
Bar material is laid flat and is conveyed through each process chamber, bar material can be made independently, continuously by multiple partition doors and transmission mechanism
Various processes are completed, due to the structure of this channel-type, so that the length requirement of bar material reduces, thermal loss when switching partition door
Minimum, transfer levers material is easy to operate, high in machining efficiency, with short production cycle, operation safety, nitrogenizes high-quality.
Detailed description of the invention
Fig. 1 is the overall structure diagram of drilling rod finishing stove provided in an embodiment of the present invention；
Fig. 2 is the furnace interior structure chart of drilling rod finishing stove provided in an embodiment of the present invention；
Fig. 3 is the cross-sectional view in Fig. 2 at A-A.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
It please refers to shown in Fig. 1 to 3, the present embodiment provides a kind of drilling rod finishing stoves, mainly include the furnace in Horizontal tubular
Body 1, the both ends of furnace body 1 are respectively feeding port 2 and feed opening 3, be respectively arranged at feeding port 2, feed opening 3 first partition door 4,
Second partition door 5.
The inner cavity vacuum of furnace body 1 and be divided into preheating chamber, nitridation room 8, oxidizing chamber 9 and cooling chamber 10, preheating chamber, nitridation room 8,
Oxidizing chamber 9 and the cooling chamber 10 successively company of suffering, and it is correspondingly arranged on third partition door 11, the 4th partition door the 12, the 5th between any two
Partition door 13.
Wherein, 480~520Pa is evacuated in furnace body 1.
Preheating chamber includes the first preheating zone 6 and the second preheating zone 7, is provided between the first preheating zone 6 and the second preheating zone 7
6th partition door 14, the temperature setting of the first preheating zone 6 are 280~320 DEG C, the temperature setting of the second preheating zone 7 is 480~
520℃。
Nitrogenizing room 8 includes several glow discharge zones, and the temperature setting of glow discharge zone is 520 DEG C.According to the needs of use,
Multiple areas can be set while nitrogenizing, improve efficiency of nitridation.Ionization source use high frequency micropulse power, reach not only energy conservation but also make from
The higher effect of rate, greatly improves the quality of nitridation.
The temperature setting of oxidizing chamber 9 is 340~380 DEG C.Surface oxidation treatment can guarantee six months non-corrosives of drilling rod, nothing
Need painting process.
In the present embodiment, the first partition door 4, the second partition door 5, third partition door 11, the partition of the 4th partition door the 12, the 5th
The 13, the 6th partition door 14 of door is all made of gate valve, and such partition door has sealing, heat-insulating capability, by each valve of process control
The on-off of adjacent process chamber is gone up and down and then controls, it is easy to operate, and reduce the loss of heat.Fire door elevating function.
Furthermore it is provided with transmission mechanism in furnace body 1 and holds the material frame 15 of bar material 26, material frame 15 is worn by transmission mechanism driving
Cross each partition door and successively by preheating chamber, nitridation room 8, oxidizing chamber 9 and cooling chamber 10.
Expect that frame 15 includes support tube 16 and support plate 17, multiple support plates 17 are fixed by the interval of reinforcing rib 18, and at least two
A support tube 16 is fixed in the bottom of support plate 17 and vertical with support plate 17 side by side, and several putting holes are offered in support plate 17
19。
Transmission mechanism includes several and the vertically arranged driven roller 20 of furnace body 1, driven roller 20 protrude into the inner cavity of furnace body 1 and
Positioned at the bottom of inner cavity, 16 crossbearer of support tube is arranged at intervals with two limit sleeves 21 in driven roller 20 in each driven roller 20,
Outermost two support tubes 16 are located between two limit sleeves 21, and sealing shroud 22 is provided between driven roller 20 and furnace body 1.
In addition, the present embodiment uses in order to which energy-saving ionic nitriding should develop towards the direction of hot wall furnace and micropulse
External heat source heating structure.Insulating layer 23 has been wrapped outside furnace body 1, there are heat-insulated gap 24 between insulating layer 23 and the outer wall of furnace body 1,
Electric furnace heating wire 25 is arranged in the outer wall surface of furnace body 1.Furnace body 1 and insulating layer 23 are transparent visual part, can specifically use glass
Glass material, the convenient bar material 26 of observation in real time circulation, processing overall process.
Bar material process:
1) open the first partition door 4, material frame 15 with bar material 26 (the present embodiment is with eight examples) to be processed from
Feeding port 2 enters furnace body 1；
2) the first partition door 4 and the second partition door 5 are closed, third partition door 11, the partition of the 4th partition door the 12, the 5th are opened
The 13, the 6th partition door 14 of door, is evacuated to 500Pa or so；
3) whole partition doors are closed, control about 300 DEG C of temperature in the first preheating zone 6 respectively, temperature is about in the second preheating zone 7
500 DEG C, about 520 DEG C of temperature in nitridation room 8, about 360 DEG C of temperature in oxidizing chamber 9, in cooling chamber 10 temperature less than 200 DEG C；
4) open or close corresponding partition door so that material frame 15 with bar material 26 gradually in preheating chamber keep the temperature 40min,
It nitrogenizes and keeps the temperature glow ion nitriding 2h in room 8, aoxidizes 40min, the cooling rod material 26 to 200 in cooling chamber 10 in oxidizing chamber 9
DEG C or less；
5) the second partition door 5 is opened, material frame 15 is exported with bar material 26 from feed opening 3, completes a process-cycle.
Simple feeding, discharge operation need to only be carried out using finishing stove staff, in various processes filter process
In reheated when entering back into next procedure without cooling come out of the stove, not only can be energy saving, and largely shorten production
Period.
To sum up, which is laid flat bar material using Horizontal tubular structure and is conveyed through each process chamber, by more
A partition door and transmission mechanism can make bar material independence, be continuously completed various processes, due to the structure of this channel-type, make
The length requirement for obtaining bar material reduces, and thermal loss is minimum when switching partition door, and transfer levers material is easy to operate, high in machining efficiency, raw
The production period is short, operation safety, nitrogenizes high-quality.
The above embodiments only describe the basic principles and characteristics of the invention, and the invention is not restricted by the above cases,
Without departing from the spirit and scope, the invention also has various changes and changes, and these changes and changes are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (10)
1. a kind of drilling rod finishing stove, which is characterized in that the furnace body including being in Horizontal tubular, the both ends of the furnace body are respectively feeding
Mouthful and feed opening, be respectively arranged with the first partition door, the second partition door, the inner cavity of the furnace body at the feeding port, feed opening
Vacuum and it is divided into preheating chamber, nitridation room, oxidizing chamber and cooling chamber, the preheating chamber, nitridation room, oxidizing chamber and cooling chamber are successively suffered
Even, and it is correspondingly arranged on third partition door, the 4th partition door, the 5th partition door between any two, is provided with transmission in the furnace body
Mechanism and the material frame for holding bar material, the material frame are driven across each partition door by the transmission mechanism and successively pass through the preheating
Room, nitridation room, oxidizing chamber and cooling chamber.
2. drilling rod finishing stove according to claim 1, it is characterised in that: wrapped insulating layer, the guarantor outside the furnace body
There are heat-insulated gaps between warm layer and the outer wall of the furnace body, and the furnace body and the insulating layer are transparent visual part.
3. drilling rod finishing stove according to claim 2, it is characterised in that: be arranged with electric furnace in the outer wall surface of the furnace body
Silk.
4. drilling rod finishing stove according to claim 1, it is characterised in that: the material frame includes support tube and support plate, more
A support plate is fixed by reinforcing rib interval, at least two support tubes be fixed in side by side the bottom of the support plate and
It is vertical with the support plate, several putting holes are offered in the support plate.
5. drilling rod finishing stove according to claim 4, it is characterised in that: the transmission mechanism includes several and the furnace
The vertically arranged driven roller of body, the driven roller protrude into the inner cavity of the furnace body and are located at the bottom of inner cavity, and the support tube is horizontal
Frame is located in the driven roller, being arranged at intervals with two limit sleeves, outermost two support tubes in each driven roller
Between described two limit sleeves, sealing shroud is provided between the driven roller and the furnace body.
6. drilling rod finishing stove according to claim 1, it is characterised in that: each partition door is gate valve.
7. drilling rod finishing stove according to claim 1, it is characterised in that: the preheating chamber includes the first preheating zone and second
Preheating zone is provided with the 6th partition door, the temperature of first preheating zone between first preheating zone and second preheating zone
Degree is set as 280~320 DEG C, and the temperature setting of second preheating zone is 480~520 DEG C.
8. drilling rod finishing stove according to claim 1, it is characterised in that: the nitridation room includes several glow discharges
Area, the temperature setting of the glow discharge zone are 520 DEG C.
9. drilling rod finishing stove according to claim 1, it is characterised in that: the temperature setting of the oxidizing chamber is 340~380
℃。
10. drilling rod finishing stove according to claim 1, it is characterised in that: be evacuated to 480~520Pa in the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037262.8A CN109504937A (en) | 2019-01-15 | 2019-01-15 | A kind of drilling rod finishing stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037262.8A CN109504937A (en) | 2019-01-15 | 2019-01-15 | A kind of drilling rod finishing stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109504937A true CN109504937A (en) | 2019-03-22 |
Family
ID=65757882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910037262.8A Pending CN109504937A (en) | 2019-01-15 | 2019-01-15 | A kind of drilling rod finishing stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109504937A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2040104U (en) * | 1988-11-15 | 1989-06-28 | 苏亚杰 | Push-step type double-layer glow ion cementation furnace |
| CN203419976U (en) * | 2013-08-07 | 2014-02-05 | 湖南特科能热处理有限公司 | Nitriding furnace |
| CN107502852A (en) * | 2017-08-18 | 2017-12-22 | 无锡市奕珺金属改性技术有限公司 | Component surface processing equipment and component surface handling process |
| CN108588632A (en) * | 2018-07-17 | 2018-09-28 | 嘉兴合邦机械科技有限公司 | A kind of vacuum nitriding stove |
| CN209778975U (en) * | 2019-01-15 | 2019-12-13 | 无锡双马钻探工具有限公司 | Drill rod processing furnace |
-
2019
- 2019-01-15 CN CN201910037262.8A patent/CN109504937A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2040104U (en) * | 1988-11-15 | 1989-06-28 | 苏亚杰 | Push-step type double-layer glow ion cementation furnace |
| CN203419976U (en) * | 2013-08-07 | 2014-02-05 | 湖南特科能热处理有限公司 | Nitriding furnace |
| CN107502852A (en) * | 2017-08-18 | 2017-12-22 | 无锡市奕珺金属改性技术有限公司 | Component surface processing equipment and component surface handling process |
| CN108588632A (en) * | 2018-07-17 | 2018-09-28 | 嘉兴合邦机械科技有限公司 | A kind of vacuum nitriding stove |
| CN209778975U (en) * | 2019-01-15 | 2019-12-13 | 无锡双马钻探工具有限公司 | Drill rod processing furnace |
Non-Patent Citations (1)
| Title |
|---|
| 吕学业: "离子氮化处理装置", 《热加工工艺》, no. 1979, pages 48 - 49 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205368433U (en) | Mesh belt furnace | |
| CN105506245A (en) | Mesh belt furnace and control method thereof | |
| CN110004277B (en) | Three-chamber vacuum furnace for high-pressure gas quenching salt bath isothermal quenching and use method thereof | |
| CN103343185A (en) | Multilayer box type heating furnace | |
| CN109504937A (en) | A kind of drilling rod finishing stove | |
| CN209778975U (en) | Drill rod processing furnace | |
| CN105129762A (en) | Belt-type atmosphere sintering furnace for continuous production of lithium iron phosphate cathode material | |
| CN115522044B (en) | Invar wire heat treatment equipment and invar wire heat treatment method | |
| CN204958405U (en) | Continuous production lithium iron phosphate cathode material's belt atmosphere sintering stove | |
| CN203240896U (en) | Internal-circulating energy-saving high temperature vertical type heat treatment test furnace for strip materials | |
| CN106702313B (en) | A kind of low-temperature ion cure process device of austenitic stainless steel elongated tubular | |
| CN101445861A (en) | Air-cooling equipment for external-circulation multi-heat exchanger furnace | |
| CN107619911A (en) | One kind energy-conservation heat-treatment furnace | |
| CN214004731U (en) | Heat treatment device for rigging production | |
| CN205403481U (en) | High -power microwave high temperature smelting device | |
| KR200382112Y1 (en) | ISO/CA meshbelt type Constant temperature control apparatus for continuous type furnace | |
| CN203373389U (en) | Multilayer box-type heating furnace | |
| CN207330755U (en) | A kind of glass chemistry toughening stove of heat recovery | |
| CN108675621B (en) | Modularized microcrystalline glass annealing crystallization furnace | |
| CN208055265U (en) | A kind of pyrolysis furnace | |
| CN206974175U (en) | A kind of energy saving temperature controlling industrial furnace | |
| CN201162031Y (en) | Hot dip galvanized iron wire annealing oven | |
| CN206014667U (en) | A kind of energy-saving annealing furnace | |
| CN205821405U (en) | A kind of aluminium alloy aging furnace with two burner hearths | |
| CN205528924U (en) | Double -deck U type annealing stove of periodic production marching type heat transfer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |