CN101977453A - Heating rod unit, heating rod and drying furnace - Google Patents
Heating rod unit, heating rod and drying furnace Download PDFInfo
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- CN101977453A CN101977453A CN 201010284900 CN201010284900A CN101977453A CN 101977453 A CN101977453 A CN 101977453A CN 201010284900 CN201010284900 CN 201010284900 CN 201010284900 A CN201010284900 A CN 201010284900A CN 101977453 A CN101977453 A CN 101977453A
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- heating bar
- end body
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- socket
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Abstract
The invention discloses a heating rod unit, a heating rod and a drying furnace saving more energy. The heating rod unit comprises an electric heating element, the electric heating element is fixed on a rod support member, and both ends of the rod support member are respectively connected with a plug end body and a socket end body; mutually matched conducting plug member and conducting socket member are respectively arranged on the plug end body and the socket end body, and the electric heating element is electrically connected with both the conducting plug member and the conducting socket member. The heating rod comprises at least two heating rod units connected in sequence, the conducting plug member of one of two adjacent heating rod units is inserted into the conducting plug member of the other one. A heating device of the drying furnace is the heating rod arranged along the length direction of a furnace hearth, and the heating rod is electrically connected with a power source. The invention has the advantages of convenient processing, small heat loss and obvious energy saving effect, and the drying furnace is especially suitable for a drying device of hollow titanium and titanium alloy melting electrodes.
Description
Technical field
The present invention relates to a kind of drying oven and electro-heat equipment, especially a kind of drying oven, heating bar and heating bar cell cube that is used for the hollow object drying.
Background technology
The smelting technology of titanium or titanium alloy is after earlier titanium sponge and intermediate alloy being mixed, be pressed into required electrode block, electrode block is welded into electrode, the electrode that is welded into need be dried processing, remove the moisture in the electrode, consumable electrode vacuum furnace is gone in lifting then, becomes finished ingot through secondary or three remeltings.Common electrode oven dry processing method is: adopt the oven dry of autocontrol temperature drying baker, the lifting electrode enters drying baker, case internal resistance wire heating power and heating electrode, and the temperature inside the box scope is set in 100 ℃～160 ℃, and one drying time is 5～24 hours.Because electrode has passed through oven dry and has handled, and can reduce the consumable electrode vacuum furnace pumpdown time, shorten the titanium or titanium alloy smelting time, reduce the ingot casting objectionable impurities.
The existing structure from the temperature control drying baker that is used for dried, hollow titanium or titanium alloy smelting electrode is: it comprises casing, casing has the cuboid inner chamber, one is heat-insulating material for the wall of inner chamber, be connected with the ventilative case lid that covers described inner chamber on the casing, sometimes two of the casing length direction sidewalls are also made ventilating structure, one can hold many electrodes described inner chamber, and the cabinet wall around described inner chamber is provided with electro-heat equipment, and one is the many resistance wires of evenly arranging.During dried, a titanium or titanium alloy smelting electrode is put into its inner chamber, if handle a plurality ofly simultaneously, then these a plurality of electrodes pile up, energising heating then.
One, titanium or titanium alloy smelting electrode diameter and weight are all bigger, electrode size one between Φ 400mm～Φ 800mm, length 4m～10m, adopting tradition when temperature control drying baker oven dry titanium smelting electrode, because heat is to come out from cabinet wall, is that the circumferential electrode interior width of cloth is penetrated outside electrode, the heat efficiency is low, and energy consumption is big.
Summary of the invention
Existing from the big deficiency of temperature control drying baker energy consumption in order to overcome, technical problem to be solved by this invention provides a kind of more energy-conservation heating bar cell cube, the heating bar of being made up of this heating bar cell cube, and the drying oven that utilizes this heating bar.
The technical solution adopted for the present invention to solve the technical problems is as follows.
The heating bar cell cube, comprise electrical heating element, described electrical heating element is fixed on the clavate strutting piece, these clavate strutting piece two ends are connected with plug end body and socket end body respectively, be respectively arranged with the conductive plug spare and the electrically conductive socket spare of mutual coupling on plug end body and the socket end body, described electrical heating element all conducts electricity with electrically conductive socket spare with conductive plug spare and is connected.
Described conductive plug spare and electrically conductive socket spare are rotatably connected with plug end body and socket end body respectively.
Described clavate strutting piece outer wall is coated with flame retardant coating.
Described electrical heating element is the resistance wire of uniform winding on the clavate strutting piece.
Described resistance wire has 1～3.
Described clavate strutting piece and electrical heating element are wrapped up by the protective cover that inwall is coated with insulating barrier, and described protective cover is fixedlyed connected with the socket end body with the plug end body.
By the heating bar that above-mentioned heating bar cell cube is formed, described heating bar comprises at least two described heating bar cell cubes that connect successively, and in adjacent two heating bar cell cubes, the conductive plug spare of one of them inserts another electrically conductive socket spare.
Utilize the drying oven of above-mentioned heating bar, comprise the body of heater that is provided with furnace chamber and be connected on the body of heater and position and the corresponding activity of furnace chamber, the loam cake of breathing freely, and the electro-heat equipment in the body of heater, described electro-heat equipment is the described heating bar that is provided with along the furnace chamber length direction, and heating bar is electrically connected with power supply and switch.
Described loam cake is a split-type structural, and it is made up of at least two adjacent side by side cover unit, and each cover unit all flexibly connects with body of heater.
The shape that described loam cake inside divides and the shape of furnace chamber are laterally zygomorphic.
The invention has the beneficial effects as follows: the heating bar that is interconnected to Len req with the heating bar cell cube of different length, utilize heating bar to realize hollows such as electrode article to be dried by the thermal radiation of center to peripheral direction, its heat dissipation is little, the heat efficiency is higher, more energy-conservation, and the length of heating bar can be adjusted, the furnace chamber overlay length of drying oven also can be adjusted by the number that changes the cover unit under the lid, thereby the article to be dried that adapt to different length, the present invention is easy to process, heat dissipation is little, especially is suitable as the drying unit of hollow titanium or titanium alloy smelting electrode.
Description of drawings
Fig. 1 is the front view of heating bar cell cube of the present invention.
Fig. 2 is the local amplification view of heating bar cell cube plug end.
Fig. 3 is the local amplification view of heating bar cell cube socket end.
Fig. 4 is the schematic diagram of heating bar of the present invention.
Fig. 5 is bowing to schematic diagram of drying oven bell open mode of the present invention.
Fig. 6 is the left-hand schematic diagram of drying oven bell open mode of the present invention.
Fig. 7 is the schematic diagram of drying oven operating state of the present invention.
Be labeled as 1-heating bar cell cube, 2-drying oven, 3-electrode among the figure; the 4-heating bar, 5-temperature-detecting device, 6-temperature controller, 7-power supply; the 8-switch, 9-through hole, 11-clavate strutting piece, 12-electrical heating element; 13-plug end body, 14-socket end body, 15-conductive plug spare, 16-electrically conductive socket spare; the 17-flame retardant coating, 18-insulating barrier, 19-protective cover, 21-body of heater; the 22-loam cake, 23-furnace chamber, 24-cover unit.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As Fig. 1～shown in Figure 4, heating bar cell cube of the present invention comprises electrical heating element 12, described electrical heating element 12 is fixed on the clavate strutting piece 11, these clavate strutting piece 11 two ends are connected with plug end body 13 and socket end body 14 respectively, be respectively arranged with the conductive plug spare 15 and the electrically conductive socket spare 16 of mutual coupling on plug end body 13 and the socket end body 14, described electrical heating element 12 all conducts electricity with electrically conductive socket spare 16 with conductive plug spare 15 and is connected, the conductive plug spare 15 of a heating bar cell cube 1 can be inserted the electrically conductive socket spare 16 of another heating bar cell cube 1, so, just a plurality of heating bar cell cubes 1 can be concatenated into the heating bar 4 that needs length mutually, to adapt to the different heat requests that adds, when the long heating bar 4 of needs, can adopt heating bar cell cube 1 ways of connecting again of making many weak points, thereby reduce processing difficulties, and reduce the flexible deformation of whole heating bar 4.
As Fig. 2, shown in Figure 3, described conductive plug spare 15 and electrically conductive socket spare 16 are rotatably connected with plug end body 13 and socket end body 14 respectively, like this, when connecting into long heating bar 4, can utilize conductive plug spare 15, electrically conductive socket spare 16 to adapt to its flexible deformation with respect to the rotation of plug end body 13, socket end body 14 respectively, be electrically connected reliably between the pair of conductive plug spare 15 of pegging graft of guaranteeing to cooperatively interact, the electrically conductive socket spare 16.As Fig. 2, shown in Figure 3, this the simplest a kind of implementation that is rotatably connected is, plug spare 15 is instructed in described rotation, electrically conductive socket spare 16 respectively with plug end body 13, it between the socket end body 14 movable sphere contact, then conductive plug spare 15, electrically conductive socket spare 16 can be with plug end body 13, the center line of socket end body 14 is that axis is done the revolution of movement locus for " conical surface ", one, when conductive plug spare 15, electrically conductive socket spare 16 is respectively with respect to plug end body 13, socket end body 14 can have 0～30 ° space free rotational angle, that is the drift angle of described " conical surface " can achieve the above object can change in 0～60 ° of scope the time, and rotatable angle also is unfit to do too much.Certainly, also can adopt other connected mode, realize being rotatably connected as the mode of gap socket.
For safety, described clavate strutting piece 11 outer walls are coated with flame retardant coating 17.
Preferably, described electrical heating element 12 is the resistance wire of uniform winding on clavate strutting piece 11, helps realizing easily electrical heating element 12 axially uniform along heating bar cell cube 1, realizes evenly heating, and one is spiral for described canoe.Certainly, electrical heating elements such as resistance wire 12 also fix by offer axial holding tank on clavate strutting piece 11 outer walls, but complexity is disliked in processing slightly.
Described resistance wire can only be 1, can work reliably for guaranteeing heating bar cell cube 1, described resistance wire should adopt more than 2, for example 3, like this, after wherein a resistance wire blows or with conductive plug spare 15, electrically conductive socket spare 16 between conduction be connected get loose after, remaining resistance wire can also work on.
For guaranteeing safety, described clavate strutting piece 11 and electrical heating element 12 are wrapped up by the protective cover 19 that inwall is coated with insulating barrier 18, and described protective cover 19 is fixedlyed connected with socket end body 14 with plug end body 13.
As shown in Figure 4, heating bar 4 of the present invention comprises at least two above-mentioned heating bar cell cubes 1 that connect successively, in adjacent two heating bar cell cubes 1, the conductive plug spare 15 of one of them heating bar cell cube 1 inserts the electrically conductive socket spare 16 of another heating bar cell cube 1.Because heating bar 4 is to be formed by connecting by plural heating bar cell cube 1 conduction, its length adjustment is convenient, is suitable for using under the various occasions.
As Fig. 5, Fig. 6 and shown in Figure 7, drying oven of the present invention comprises the body of heater 21 that is provided with furnace chamber 23 and is connected on the body of heater 21 and position and furnace chamber 23 corresponding activities, ventilative loam cake 22, and the electro-heat equipment in the body of heater 21, described electro-heat equipment is the above-mentioned heating bar 4 that is provided with along furnace chamber 23 length directions, heating bar 4 is electrically connected with power supply 7 and switch 8, described heating bar 4 can pass the inside of hollow object to be dried, then its thermal radiation scatters and disappears little, heat efficiency height, more energy-conservation, and described heating bar 4 is detachable, does not influence the operation that article are put into furnace chamber 23 or taken out.One ground, the inwall of described furnace chamber 23 should adopt heat-insulating material to make, and reduce heat dissipation.
For adapting to the heating needs of different length article, described loam cake 22 can be designed to split-type structural, it is made up of at least two adjacent side by side cover unit 24, each cover unit 24 all flexibly connects with body of heater 21, can be according to the length of drying article, cover furnace chamber 23 with plurality of adjacent cover unit 24, reduce heat dissipation, and easy to adjust.
For reducing heat dissipation better, the shape that described loam cake 22 insides divide is laterally zygomorphic with the shape of furnace chamber 23, and can decide this two-part shape according to the profile of the object of want drying.For example, as Fig. 5, Fig. 6 and shown in Figure 7, when being used for dried, hollow titanium or titanium alloy smelting electrode, because described electrode profile is cylindrical, then described furnace chamber 23 and loam cake 22 all can be designed to half round post in view of the above, can not influence putting into and stable placement of article, can reduce being subjected to heat space again, more energy-conservation.
For ease of the control heating-up temperature, be preferably between described heating bar 4 and the power supply 7 and be connected with temperature controller 6, temperature controller 6 is connected with temperature-detecting device 5 signals, and temperature-detecting device 5 is arranged at heating bar 4 sides.Temperature controlled related content belongs to prior art, does not repeat them here.
Can infer, body of heater 21 and loam cake 22 all should adopt insulation material making or wall covering insulation material layer within it for reaching energy-saving effect, and related content also belongs to prior art, repeats no more.
Embodiment:
As Fig. 1～shown in Figure 7, drying oven of the present invention is by the body of heater 21 that is provided with furnace chamber 23 and be connected on the body of heater 21 and the position is formed with furnace chamber 23 corresponding activities, the loam cake 22 of breathing freely, described furnace chamber 23 and loam cake 22 are half round post, described loam cake 22 is designed to split-type structural, it is made up of at least two adjacent side by side cover unit 24, each cover unit 24 all flexibly connects with body of heater 21, be provided with heating bar 4 of the present invention along furnace chamber 23 length directions, heating bar 4 is electrically connected with power supply 7 and switch 8.
As shown in Figure 7, be used for the oven dry processing of the pure titanium electrode of hollow with above-mentioned drying oven.Electrode 3 liftings are gone in the furnace chamber 23, length according to electrode, connect into the heating bar 4 of respective length with heating bar cell cube 1 of the present invention, heating bar 4 is penetrated in the through hole 9 of electrode 3, and be provided as the thermocouple of temperature-detecting device 5 in an end of described through hole 9 and heating bar 4 contiguous positions, thermocouple is connected with temperature controller 6 signals, and described temperature controller 6 inserted in the loop that is connected into by heating bar 4 and power supply 7, set the temperature of heating bar 4, the loam cake 22 that closes cuts off the power supply behind energising and the continuity setting-up time.
Experiment:
To each 20 at Φ 470mm * 6000mm and the pure titanium electrode of Φ 650mm * 6000mm respectively with above-mentioned drying oven and have now and carry out the heating, drying contrast test from the temperature control drying baker.
Result of the test is disclosed in the following table 1.
Table 1
Test shows that drying oven of the present invention is compared from the energy consumption of temperature control drying baker with same drying effect is existing down, and with the energy of saving about 30%～70%, energy-saving effect is remarkable.
Claims (10)
1. heating bar cell cube, comprise electrical heating element (12), it is characterized in that: described electrical heating element (12) is fixed on the clavate strutting piece (11), these clavate strutting piece (11) two ends are connected with plug end body and socket end body (14) respectively, be respectively arranged with the conductive plug spare (15) and the electrically conductive socket spare (16) of mutual coupling on plug end body (13) and the socket end body (14), described electrical heating element (12) all conducts electricity with electrically conductive socket spare (16) with conductive plug spare (15) and is connected.
2. heating bar cell cube as claimed in claim 1 is characterized in that: described conductive plug spare (15) and electrically conductive socket spare (16) are rotatably connected with plug end body (13) and socket end body (14) respectively.
3. heating bar cell cube as claimed in claim 1 or 2 is characterized in that: described clavate strutting piece (11) outer wall is coated with flame retardant coating (17).
4. heating bar cell cube as claimed in claim 3 is characterized in that: described electrical heating element (12) is the resistance wire of uniform winding on clavate strutting piece (11).
5. heating bar cell cube as claimed in claim 4 is characterized in that: described resistance wire has 1～3.
6. heating bar cell cube as claimed in claim 1 or 2; it is characterized in that: described clavate strutting piece (11) and electrical heating element (12) are wrapped up by the protective cover (19) that inwall is coated with insulating barrier (18), and described protective cover (19) is fixedlyed connected with socket end body (14) with plug end body (13).
7. the heating bar of forming by claim 1 or 2 described heating bar cell cubes, it is characterized in that: described heating bar (4) comprises at least two described heating bar cell cubes (1) that connect successively, in adjacent two heating bar cell cubes (1), the conductive plug spare of one of them (15) inserts another electrically conductive socket spare (16).
8. utilize the drying oven of the described heating bar of claim 7, comprise the body of heater (21) that is provided with furnace chamber (23) and be connected that body of heater (21) is gone up and position and the corresponding activity of furnace chamber (23), the loam cake (22) of breathing freely, and the electro-heat equipment in the body of heater (21), it is characterized in that: the described heating bar of described electro-heat equipment for being provided with along furnace chamber (23) length direction, heating bar (4) is electrically connected with power supply (7).
9. drying oven as claimed in claim 8 is characterized in that: described loam cake (22) is a split-type structural, and it is made up of at least two adjacent side by side cover unit (24), and each cover unit (24) all flexibly connects with body of heater (21).
10. drying oven as claimed in claim 8 is characterized in that: the shape that described loam cake (22) inside divides and the shape of furnace chamber (23) are laterally zygomorphic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010284900 CN101977453B (en) | 2010-09-17 | 2010-09-17 | Heating rod unit, heating rod and drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010284900 CN101977453B (en) | 2010-09-17 | 2010-09-17 | Heating rod unit, heating rod and drying furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101977453A true CN101977453A (en) | 2011-02-16 |
| CN101977453B CN101977453B (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010284900 Expired - Fee Related CN101977453B (en) | 2010-09-17 | 2010-09-17 | Heating rod unit, heating rod and drying furnace |
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| Country | Link |
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| CN (1) | CN101977453B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615872A (en) * | 2013-11-04 | 2014-03-05 | 东方电气(广州)重型机器有限公司 | Drying and heating device for moisture between heat exchange tubes and tube plate |
| CN105021018A (en) * | 2015-08-19 | 2015-11-04 | 苏州市宏业灯具设备有限公司 | Inner cavity drying device of LED street lamp pole |
| CN112714511A (en) * | 2020-12-24 | 2021-04-27 | 台州础能环境科技有限公司 | Axially extendable modular electric heating device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489540Y (en) * | 2001-07-23 | 2002-05-01 | 赵雁 | Electric heating wire device for toughened glass heating furnace |
| JP4019004B2 (en) * | 2003-03-27 | 2007-12-05 | 京セラ株式会社 | Ceramic heater and glow plug using the same |
| CN201813569U (en) * | 2010-09-17 | 2011-04-27 | 攀钢集团钢铁钒钛股份有限公司 | Heating rod unit, heating rod and drying furnace |
-
2010
- 2010-09-17 CN CN 201010284900 patent/CN101977453B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489540Y (en) * | 2001-07-23 | 2002-05-01 | 赵雁 | Electric heating wire device for toughened glass heating furnace |
| JP4019004B2 (en) * | 2003-03-27 | 2007-12-05 | 京セラ株式会社 | Ceramic heater and glow plug using the same |
| CN201813569U (en) * | 2010-09-17 | 2011-04-27 | 攀钢集团钢铁钒钛股份有限公司 | Heating rod unit, heating rod and drying furnace |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615872A (en) * | 2013-11-04 | 2014-03-05 | 东方电气(广州)重型机器有限公司 | Drying and heating device for moisture between heat exchange tubes and tube plate |
| CN103615872B (en) * | 2013-11-04 | 2015-08-12 | 东方电气(广州)重型机器有限公司 | Moisture drying heater between a kind of exchanger tubes and tubesheets |
| CN105021018A (en) * | 2015-08-19 | 2015-11-04 | 苏州市宏业灯具设备有限公司 | Inner cavity drying device of LED street lamp pole |
| CN105021018B (en) * | 2015-08-19 | 2018-04-24 | 王宝兰 | The inner cavity drying unit of LED street lamp lamp stand |
| CN112714511A (en) * | 2020-12-24 | 2021-04-27 | 台州础能环境科技有限公司 | Axially extendable modular electric heating device |
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| Publication number | Publication date |
|---|---|
| CN101977453B (en) | 2012-10-17 |
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Granted publication date: 20121017 Termination date: 20160917 |