CN209652403U - A kind of metallized carbon furnace - Google Patents
A kind of metallized carbon furnace Download PDFInfo
- Publication number
- CN209652403U CN209652403U CN201920293135.XU CN201920293135U CN209652403U CN 209652403 U CN209652403 U CN 209652403U CN 201920293135 U CN201920293135 U CN 201920293135U CN 209652403 U CN209652403 U CN 209652403U
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- conducting pipe
- heat
- heat conducting
- heat exchange
- 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.)
- Active
Links
Landscapes
- Furnace Details (AREA)
Abstract
The utility model relates to metallic high temperature processing to be arranged, disclose a kind of metallized carbon furnace, it includes burner hearth, Muffle plate and interior circulating fan, and driving motor, the motor shaft for being driven motor coaxially connected drive shaft, wind wheel and cooler, cooler includes cooling oil box and heat conducting pipe；Heat exchange grease chamber is equipped in cooling oil box；Drive shaft runs through cooling oil box vertically, and drive shaft is tightly connected at cooling oil box, and the lower end of drive shaft and flabellum are coaxially connected, and the upper end of drive shaft is connect with driving motor.Heat conducting pipe is closed at one end and is located at outside cooling oil box, it is connect in the other end insertion heat exchange grease chamber of heat conducting pipe and with heat exchange grease chamber, and the indoor one end of heat conducting pipe insertion heat exchange oil is equipped with mouth of changing oil, it changes oil mouth and drive shaft axis parallel, it changes oil mouth and the length direction of extension section is obliquely installed, transmit driving conduction oil using drive shaft self heat and circulate, continue efficiently to cool down to drive shaft, intercept heat is transferred to driving motor, reduces equipment fault bring and stops production.
Description
Technical field
The utility model relates to metallic high temperature processing to be arranged, in particular to a kind of metallized carbon furnace.
Background technique
Metallized carbon treatment furnace is equipment common in a kind of intermetallic composite coating, for heating simultaneously steel part in carburizing medium
Heat preservation makes carbon atom penetrate into surface layer.Such as a kind of Chinese patent " novel gas heating that Authorization Notice No. is CN202936472U
Case-hardening furnace rear chamber ", it discloses a kind of metallized carbon treatment furnaces, from attached drawing 1 it is found that metallized carbon treatment furnace includes furnace
Shell, furnace lining and gas heating pipe.Material to be processed is put into furnace shell, and gas heating pipe heat supply improves temperature in furnace shell, makes wait locate
The material of reason carries out Carburization Treatment at high temperature.The furnace upper end of metallized carbon processing simultaneously is also equipped with stirring wind wheel, stirs wind wheel
There is the motor driven being located at outside furnace shell, to improve gas stream in the stove flowing, keeps in-furnace temperature more uniform.
Disadvantage is that the flabellum of stirring wind wheel is driven by drive shaft, drive shaft is the motor shaft for having driving motor again
Driving or drive shaft are the motor shaft of driving motor, and metallized carbon treatment furnace is in use, the high temperature in furnace passes through flabellum-driving
Axis-driving motor conduction route passes conduction to driving motor, and driving motor operating temperature is excessively high, shuts down, and leads to work
Production stops production.
Utility model content
In view of the deficienciess of the prior art, utilizing drive the purpose of this utility model is to provide a kind of metallized carbon furnace
Moving axis self heat transmitting driving conduction oil circulates, and the heat of drive shaft is transferred to outside air, persistently and efficiently
Cool down to drive shaft, intercept heat is transferred to driving motor, so that the work that interior circulating fan can be permanently effective, reduces equipment event
Hinder bring to stop production.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of metallized carbon furnace, including burner hearth, Muffle plate and interior circulating fan, the interior circulating fan include driving electricity
The coaxially connected drive shaft of machine, the motor shaft for being driven motor and wind wheel, it includes cold that the interior circulating fan, which further includes cooler,
But fuel tank and heat conducting pipe；Setting heat exchange grease chamber in the cooling oil box；The drive shaft runs through cooling oil box, the driving vertically
Axis is tightly connected at cooling oil box, and the lower end of the drive shaft and flabellum are coaxially connected, the upper end of the drive shaft and drive
Dynamic motor connection.The heat conducting pipe is closed at one end and is located at outside cooling oil box, the other end insertion heat exchange grease chamber of the heat conducting pipe
It is interior and connect with heat exchange grease chamber, and the indoor one end of heat conducting pipe insertion heat exchange oil is equipped with mouth of changing oil, change oil mouth and the drive
Moving axis axis parallel, and described change oil mouth and the length direction of extension section is obliquely installed.
By using above-mentioned technical proposal, combustion gas burning is passed through when metallized carbon furnaceman makees in furnace, high temperature is formed, inside follows
Ring starting fan pushes furnace air to circulate, while furnace high-temperature conducts along driving axial.
Conduction oil is filled up in heat exchange grease chamber and heat conducting pipe, wherein the indoor conduction oil package drive shaft insertion heat exchange of heat exchange oil
The indoor side of oil absorbs the heat that drive shaft is conducted by furnace high-temperature from drive shaft lower end upwards, while exchanging heat in grease chamber
Conduction oil heat up because absorbing water heat, volume expansion, density reduce, in the radiating segment of heat conducting pipe conduction oil formed density
Difference,
The indoor conduction oil of heat exchange oil, which is driven moving axis rotation, to be influenced, and is rotated along drive shaft turns direction, is formed circulation, is changed oil
Mouth and the length direction of extension section, which are obliquely installed, to be conducive to conduction oil outflow in extension section or enters, wherein change oil mouth and drive shaft
Rotation direction is opposite, can promote conduction oil and enters extension section；Wherein change oil mouth and drive shaft turns direction it is not opposite, can promote and lead
Deep fat stream goes out extension section；
And then colder conduction oil then enters thermally conductive oil temperature in reduction cooling oil room cooling oil the room in heat conducting pipe, with right
Drive shaft cools down；In cooling oil room hotter conduction oil enter in heat conducting pipe from heat conducting pipe and heat exchange grease chamber junction and to
Outside air radiating and cooling, and then density increases, and is recycled back in cooling oil room.
Thus the utility model transmits driving conduction oil using drive shaft self heat and circulates, by the heat of drive shaft
Be transferred to outside air, continue and efficiently cool down to drive shaft, intercept heat is transferred to driving motor, prevent driving motor because
High temperature and overload shutdown or damage, so that the work that interior circulating fan can be permanently effective, reduces equipment fault bring and stop production.
The utility model is further arranged to: the heat conducting pipe includes extension section and radiating segment, and the extension section level is inserted
Enter to exchange heat in grease chamber and towards the axle center of drive shaft, the mouth of changing oil is located at extension section end, and the radiating segment is located at cooling oil
Outside case.
By using above-mentioned technical proposal, conduction oil can be flowed directly into along extension section in heat exchange grease chamber after cooling in radiating segment
The heart cools down drive shaft close to the region of drive shaft, increase directly with the conduction oil and drive shaft of drive shaft side face contact
Between temperature gradient, and then optimize the indoor heat exchange of heat exchange oil, heat exchange efficiency improved, to enhance drive shaft heat dissipation effect.
The utility model is further arranged to: the radiating segment is vertically arranged.
By using above-mentioned technical proposal, so that the biggish conduction oil of density cold in radiating segment quickly sinks to flowing into heat exchange
In grease chamber, heat exchange cooling is continued to drive shaft, circulation is formed, heat exchange efficiency is improved, to enhance drive shaft heat dissipation effect.
The utility model is further arranged to: the side of the radiating segment is arranged at intervals with multiple radiating fins.
By using above-mentioned technical proposal, radiating fin can accelerate radiating segment heat dissipation, promote conduction oil in radiating segment cooling,
Accelerate conduction oil circulation, improves drive shaft cooling effect.
The utility model is further arranged to: the interior circulating fan further includes casing, and the casing covers outside cooler,
And the heat conducting pipe is located on the inside of casing.
By using above-mentioned technical proposal, the casing compartment, to stop worker to be burned touching heat conducting pipe unintentionally
Or it is scratched by heat transmission fin.
The utility model is further arranged to: the upper end level of the casing is lower than the upper end level of radiating segment.
By using above-mentioned technical proposal, casing upper end is lower than radiating segment upper end level, thus reduces casing enclosing to scattered
The influence of hot arc surrounding air flowing diffusion, avoids casing enclosing from reducing radiating segment radiating efficiency.
The utility model is further arranged to: the cooler further includes nigger, and the nigger coaxial sleeve exists
On the outside of drive shaft, lower end and the cooling oil box of the nigger obtain upper surface and mutually fix, and the upper end of the drive shaft is pierced by
Nigger and coaxially connected with the motor shaft of driving motor.
By using above-mentioned technical proposal, so that between driving motor and cooling oil box separately, avoiding driving motor straight
Connect to stick on the outside of cooling oil box and be conducted with heat, and avoid the higher air of cooling oil box ambient temperature to driving motor from
Body heat dissipation causes difficulty.
The utility model is further arranged to: the heat conducting pipe quantity is greater than one.
By using above-mentioned technical proposal, multiple heat conducting pipes are set, accelerates to exchange heat to drive shaft and moves the efficiency of heat, raising pair
The cooling effect of drive shaft.
In conclusion the utility model has the following beneficial effects:
Thus the utility model transmits driving conduction oil using drive shaft self heat and circulates, by the heat of drive shaft
Be transferred to outside air, continue and efficiently cool down to drive shaft, intercept heat is transferred to driving motor, prevent driving motor because
High temperature and overload shutdown or damage, so that the work that interior circulating fan can be permanently effective, reduces equipment fault bring and stop production.
Detailed description of the invention
Fig. 1 is the cross-sectional view of metallized carbon treatment furnace；
Fig. 2 is the structural schematic diagram of burner hearth and Muffle plate；
Fig. 3 is the structural schematic diagram of interior circulating fan；
Fig. 4 is the cross-sectional view of interior circulating fan；
Fig. 5 is the partial enlarged view that Fig. 4 embodies cooling oil box structure at A.
Appended drawing reference: 1, burner hearth；11, open；12, fire door；2, Muffle plate；21, supporting walls；22, vault；, 221, first
Ventilation opening；222, detection hole；223, the second ventilation opening；3, oxygen probe head component；4, interior circulating fan；41, wind wheel；411, flabellum；
42, drive shaft；421, side stirring bar；43, cooler；431, cooling oil box；4311, pedestal；4312, middle ring body；4313, it pushes up
Seat；4314, exchange heat grease chamber；432, heat conducting pipe；4321, extension section；4321-1, sealing ring；4321-2, mouth of changing oil；4322, it dissipates
Hot arc；4323, radiating fin；433, nigger；434, driving motor；4341, shaft coupling；435, casing；4351, outer ring
Edge.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Fig. 1, a kind of metallized carbon treatment furnace, including burner hearth 1, Muffle plate 2, interior circulating fan 4 and oxygen probe
Component 3.
As shown in Fig. 2,1 shape of burner hearth can according to the actual situation depending on, inner hollow is herein rectangular-shape, wherein
One side opening 11 is arranged, and is provided with fire door 12 in opening 11.Fire door 12 is the prior art, and the innovation of non-the utility model
Point, therefore no longer illustrate herein.
As shown in Fig. 2, Muffle plate 2 is located in burner hearth 1 comprising two supporting walls 21 and vault 22, two supporting walls 21 are perpendicular
Straight setting, and it is perpendicular with the opening 11 of burner hearth 1.
Vault 22 is located at two supporting walls, 21 top, and the section in its vertical length direction is arc-shaped.
Perforation is provided with the first ventilation opening 221, the first ventilation opening vertically at vault 22 and 1 inner top surface center alignment of burner hearth
221 shapes can according to the actual situation depending on, be herein circle.Vault 22 is also vertical through equipped with detection hole 222, detection hole simultaneously
222 are located at connection side midpoint and the side close to supporting walls 21,
22 liang of vault parallel straight lines edges abut sealing with the upper edge of two supporting walls 21 respectively.Two arcs of vault 22
The gap for ventilation is provided between edge and 1 most inner side side of burner hearth and opening 11, and two arc-shaped sides edge is above also set up
Have the second ventilation opening 223 of indent, 223 shape of the second ventilation opening can according to the actual situation depending on, be herein the rectangle of rounded corner,
Quantity is three, and the arcuately length direction interval setting at edge.
As shown in Figure 1 and Figure 2, oxygen probe head component 3 is the prior art, model can be selected according to the actual situation, to it
Structure is no longer further elaborated, the bar shaped of the growth of oxygen probe head component 3 herein.
Oxygen probe head component 3 is inserted vertically into burner hearth 1 from top to bottom in 1 outside of burner hearth, and its lower end and detection hole 222 are opposite
Quasi- insertion 2 inside region side of Muffle plate.
As shown in attached drawing 1 and attached drawing 3, it includes driving motor 434, driving that interior circulating fan 4, which is installed on 1 top of burner hearth,
Axis 42, cooler 43, wind wheel 41 and casing 435.
Wherein wind wheel 41 is located in burner hearth 1, including multi-disc flabellum 411, is the prior art, the shape of flabellum 411 and big
It is small can according to the actual situation depending on, herein 411 quantity of flabellum be four.The innovative point of the non-the utility model of wind wheel 41, herein no longer
It is further described.
Drive shaft 42 is vertically arranged, and through 1 top of burner hearth, wherein the lower end of drive shaft 42 and wind wheel 41 are coaxial fixed,
Fixed form can select according to the actual situation, be herein welding.
As shown in Fig. 4, cooler 43 includes cooling oil box 431, heat conducting pipe 432, nigger 433 and casing 435.
As shown in Fig. 5, wherein cooling oil box 431 is in the form of a column, including pedestal 4311, middle ring body 4312 and footstock 4313,
Pedestal 4311 is fixed on the upper surface in 1 outside of burner hearth, and pedestal 4311 and footstock 4313 are closed off in middle 4312 axis of ring body
To both ends.Fixed and junction seals between pedestal 4311, middle ring body 4312 and footstock 4313, and fixed form can be according to reality
Depending on the situation of border, such as welding or pedestal 4311, middle ring body 4312,4313 three of footstock are integrated setting.
Pedestal 4311, middle ring body 4312 and the enclosed region of 4313 three of footstock form heat exchange grease chamber in cooling oil box 431
4314.The grease chamber 4314 that exchanges heat is the column or disc shaped space with the coaxial arrangement of cooling oil box 431.
Drive shaft 42 runs through cooling oil box 431 along heat exchange 4314 axle center of grease chamber simultaneously, and through part is tightly connected, and can basis
The bearing that actual conditions selection is socketed in drive shaft 42 in the chimeric installation of through part.Drive shaft 42 is located in heat exchange grease chamber 4314
Side on be provided with the side stirring bars of several protrusions, side stirring bar 421 be with the axial parallel strip of drive shaft 42, enclose
It is uniformly distributed around 42 axle center of drive shaft, stirring bar 421 quantity in side is 6 herein.
As shown in attached drawing 3 and attached drawing 4, heat conducting pipe 432 is connected with heat exchange grease chamber 4314, and heat conducting pipe 432 and heat exchange oil
Conduction oil is filled in case.
The quantity of heat conducting pipe 432 can according to the actual situation depending on, preferably 432 quantity of heat conducting pipe is greater than one, heat conducting pipe herein
432 quantity are 5.Heat conducting pipe 432 includes extension section 4321 and radiating segment 4322.
As shown in Fig. 5, extension section 4321 is horizontally disposed and is uniformly distributed around the axle center of heat exchange grease chamber 4314.Extension section
4321 one end through middle ring body 4312 side insertion heat exchange grease chamber 4314 in, and towards heat exchange grease chamber 4314 axle center.Outside
Prolong section 4321 and exchange heat grease chamber 4314 through part be tightly connected, sealing means can according to the actual situation depending on, herein in extension
It is cased with sealing ring 4321-1 in section 4321, middle 4312 side of ring body is provided with the perforation that extension section 4321 passes through, sealing ring
The medial surface of 4321-1 and the side of extension section 4321 are interference fitted, the lateral surface of sealing ring 4321-1 and the medial surface of perforation
Interference fit realizes sealing, and the material of sealing ring 4321-1 is heat-resisting material, can according to the actual situation depending on, such as stone
Ink, silicon carbide etc..
There is interval between one end end of the insertion heat exchange grease chamber 4314 of extension section 4321 and the side of drive shaft 42, and
Mouthful 4321-2 that changes oil, the length of change oil mouthful 4321-2 and extension section 4321 is arranged in the end of extended end insertion heat exchange 4314 one end of grease chamber
Degree direction is arranged in an oblique way.When drive shaft 42 rotates, it will drive conduction oil in heat exchange grease chamber 4314 and form circulation, wherein changing oil
When mouth 4321-2 is opposite with 42 rotation direction of drive shaft, conduction oil easily enters extension section 4321；It changes oil mouthful 4321-2 and drive shaft
42 rotation directions are not opposite, and the conduction oil in extension section 4321 easily flows out extension section 4321.
As shown in Fig. 4, radiating segment 4322 is vertically arranged or is obliquely installed in vertical direction, preferably sets vertically herein
It sets.The outside of radiating segment 4322 is further fixed on multiple radiating fins 4323, and the shape of radiating fin 4323 can be according to the actual situation
Depending on, such as rectangular, circle, hexagon etc. are round herein and be sleeved and fixed along the equal spacing in length direction of radiating segment 4322 scattered
The outside of hot arc 4322.
In a tubular form, coaxial sleeve is in 42 outside of drive shaft, the lower end of nigger 433 and cooling oil box 431 for nigger 433
Upper surface is obtained mutually to fix, the lower end of nigger 433 be fixedly connected mode can according to the actual situation depending on, be such as bolted or
Welding etc., herein to be bolted.
Driving motor 434 is mounted on the upper end of nigger 433 under.The motor shaft of driving motor 434 and drive
Moving axis 42 is coaxially disposed, and is downwardly into nigger 433.It is also equipped between the motor shaft and drive shaft 42 of drive shaft 42
Shaft coupling 4341.Shaft coupling 4341 is the prior art, therefore its structure is herein without being further described.
Casing 435 is annular in shape, and the lower end of casing 435 is fixed on the upper surface in 1 outside of burner hearth, is set in cooling oil box
431 outside, and heat conducting pipe 432 is accommodated in the inside of casing 435.The upper end level of casing 435 is upper lower than heat conducting pipe 432
End, and outer ring is provided with along 4351 on the outside of the upper end of casing 435.435 compartment of casing, to stop worker touching unintentionally
Heat conducting pipe 432 is burned or is scratched by heat transmission fin.
The working principle and effect of the utility model:
Combustion gas burning is passed through when metallized carbon treatment furnace works in furnace, forms high temperature, interior circulating fan 4 starts, and pushes
Furnace air circulates, while furnace high-temperature conducts upwards along drive shaft 42.
Conduction oil is filled up in heat exchange grease chamber 4314 and heat conducting pipe 432, wherein the conduction oil in heat exchange grease chamber 4314 is wrapped up and being driven
Side in the insertion heat exchange grease chamber 4314 of moving axis 42, absorbs drive shaft 42 and conducts upwards due to furnace high-temperature from 42 lower end of drive shaft
Heat, while the conduction oil to exchange heat in grease chamber 4314 heats up because absorbing water heat, volume expansion, density reduce, with heat conducting pipe
Conduction oil in 432 radiating segment 4322 forms density contrast, and then the conduction oil of heat connects from heat conducting pipe 432 and heat exchange grease chamber 4314
It meets place to enter in heat conducting pipe 432, tends to flow up, to enter radiating segment 4322；
It is spaced tube wall between conduction oil and outside air in radiating segment 4322 and carries out indirect heat exchange cooling, and then density increases
Greatly, while heat-dissipating pipe is obliquely installed vertically or on vertical direction, so that the biggish conduction oil of density cold in radiating segment 4322 is fast
Speed sinks to flowing into heat exchange grease chamber 4314, continues heat exchange cooling to drive shaft 42, forms circulation；
Thus the utility model transmits driving conduction oil using 42 self heat of drive shaft and circulates, by drive shaft 42
Heat is transferred to outside air, continues and efficiently cools down to drive shaft 42, intercept heat is transferred to driving motor 434, prevents
Driving motor 434 overload shutdown or damage due to high temperature, so that the work that interior circulating fan 4 can be permanently effective, reduces equipment event
Hinder bring to stop production.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of metallized carbon furnace, including burner hearth (1), Muffle plate (2) and interior circulating fan (4), interior circulating fan (4) packet
It includes driving motor (434), be driven the motor shaft of motor (434) coaxially connected drive shaft (42) and wind wheel (41), feature
It is, it includes cooling oil box (431) and heat conducting pipe (432) that the interior circulating fan (4), which further includes cooler (43),；The cooling
Setting heat exchange grease chamber (4314) in fuel tank (431)；The drive shaft (42) runs through cooling oil box (431) vertically, the drive shaft
(42) it is tightly connected at cooling oil box (431), the lower end of the drive shaft (42) and flabellum (411) are coaxially connected, described
The upper end of drive shaft (42) is connect with driving motor (434).
2. a kind of metallized carbon furnace according to claim 1, which is characterized in that the heat conducting pipe (432) it is closed at one end and
Outside positioned at cooling oil box (431), the heat conducting pipe (432) the other end insertion heat exchange grease chamber (4314) in and with heat exchange grease chamber
(4314) it connects, and one end in the heat conducting pipe (432) insertion heat exchange grease chamber (4314) is equipped with and changes oil mouth (4321-2), it is described
It changes oil mouth (4321-2) and drive shaft (42) axis parallel, and the length side of the mouth of changing oil (4321-2) and extension section (4321)
To being obliquely installed.
3. a kind of metallized carbon furnace according to claim 2, which is characterized in that the heat conducting pipe (432) includes extension section
(4321) and radiating segment (4322), the extension section (4321) is horizontally inserted into heat exchange grease chamber (4314) and towards drive shaft (42)
Axle center, the mouth of changing oil (4321-2) is located at extension section (4321) end, and the radiating segment (4322) is located at cooling oil box
(431) outside.
4. a kind of metallized carbon furnace according to claim 3, which is characterized in that the radiating segment (4322) is vertically arranged.
5. a kind of metallized carbon furnace according to claim 3, which is characterized in that the side interval of the radiating segment (4322)
It is provided with multiple radiating fins (4323).
6. a kind of metallized carbon furnace according to claim 2-4 any one, which is characterized in that the interior circulating fan
(4) further include casing (435), the casing (435) cover cooler (43) outside, and the heat conducting pipe (432) is located at casing
(435) inside.
7. a kind of metallized carbon furnace according to claim 6, which is characterized in that the upper end level of the casing (435) is low
Upper end level in radiating segment (4322).
8. a kind of metallized carbon furnace according to claim 6, which is characterized in that the cooler (43) further includes lengthening set
Cylinder (433), nigger (433) coaxial sleeve is on the outside of drive shaft (42), the lower end of the nigger (433) and cooling
Fuel tank (431) obtains upper surface and mutually fixes, and the upper end of the drive shaft (42) is pierced by nigger (433) and and driving motor
(434) motor shaft is coaxially connected.
9. a kind of metallized carbon furnace according to claim 7, which is characterized in that heat conducting pipe (432) quantity is greater than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293135.XU CN209652403U (en) | 2019-03-07 | 2019-03-07 | A kind of metallized carbon furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293135.XU CN209652403U (en) | 2019-03-07 | 2019-03-07 | A kind of metallized carbon furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209652403U true CN209652403U (en) | 2019-11-19 |
Family
ID=68526349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920293135.XU Active CN209652403U (en) | 2019-03-07 | 2019-03-07 | A kind of metallized carbon furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209652403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018924A (en) * | 2020-08-12 | 2020-12-01 | 济南和知创信息科技有限公司 | Well formula carburizing furnace motor seal structure |
-
2019
- 2019-03-07 CN CN201920293135.XU patent/CN209652403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018924A (en) * | 2020-08-12 | 2020-12-01 | 济南和知创信息科技有限公司 | Well formula carburizing furnace motor seal structure |
| CN112018924B (en) * | 2020-08-12 | 2023-04-14 | 深圳市兴丰元机电有限公司 | Well formula carburizing furnace motor seal structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60145115A (en) | Frying cooker | |
| CN109420813A (en) | A kind of hot air circulation soldering oven | |
| CN209652403U (en) | A kind of metallized carbon furnace | |
| CN209195784U (en) | A kind of self-cooled high-temperature resistant centrifugal blower | |
| CN209654275U (en) | A kind of good metallized carbon treatment furnace electric motor fan of heat dissipation | |
| KR100216387B1 (en) | Room heating device | |
| CN103725840B (en) | Vacuum furnace | |
| CN201173215Y (en) | Insert type blower fan bearing cooling apparatus | |
| CN100453946C (en) | Air cooling type oil path self circulation cooling system | |
| CN108342562A (en) | A kind of high sealing nodularization bell furnace using atmosphere protection | |
| KR20180031088A (en) | burning section separate non-motorized Heat outdoor Gas heaters | |
| RU2241909C2 (en) | Oven for bath house | |
| CN207479605U (en) | A kind of outer circulation vacuum sintering furnace | |
| CN204186819U (en) | A kind of novel air-cooled antifriction-bearing housing | |
| CN2893167Y (en) | Air-cooling oil path self-circulating cooling system | |
| KR101533291B1 (en) | Heating apparatus for Using Waste Heat | |
| CN213478691U (en) | Self-circulation cooling device of high-temperature circulating fan | |
| CN211874753U (en) | Multipurpose furnace hot pipe type cold circulation fan | |
| JPH0437889Y2 (en) | ||
| CN215582407U (en) | Heat radiation structure and electrical apparatus | |
| CN218442254U (en) | Water-cooling circulating air distribution fire outlet device of biomass burner | |
| CN210509667U (en) | Water-cooling circulating fan with heat insulation box | |
| CN207095277U (en) | A kind of tunnel brick kiln waste heat boiler | |
| CN205556741U (en) | Heat treatment stove with heat reflection function | |
| CN215517164U (en) | Air supply and exhaust device capable of recovering heat energy and glass tempering heating furnace using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |