CN205783741U - A kind of electric heater - Google Patents
A kind of electric heater Download PDFInfo
- Publication number
- CN205783741U CN205783741U CN201620545257.XU CN201620545257U CN205783741U CN 205783741 U CN205783741 U CN 205783741U CN 201620545257 U CN201620545257 U CN 201620545257U CN 205783741 U CN205783741 U CN 205783741U
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- CN
- China
- Prior art keywords
- heat generating
- generating member
- fire
- insulator
- resisting cable
- 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.)
- Expired - Fee Related
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Abstract
This utility model relates to a kind of electric heater, including mounting disc, installs axle, attemperating unit and multiple support plates;The top of each electrode bar is connected through mounting disc with fire-resisting cable;Electrode bar is arranged with sleeve-shaped insulator with the junction of fire-resisting cable, and the middle part of this insulator is provided with lobe;The top of insulator is provided with external screw thread, and the bottom of fire-resisting cable is provided with nut connector, carries out threaded for the external screw thread with insulator;The conductor of fire-resisting cable is fixedly linked with electrode bar in the sleeve of insulator.
Description
Technical field
This utility model relates to firing equipment technical field, a kind of electric heater with attemperating unit.
Background technology
In prior art, the heater of the industries such as quenching is often monoblock type, when heated temperature of charge reaches required
During temperature, it is still necessary to heating installation power supply, to keep the temperature of material, temperature not easy-regulating in heating process.And adding now
The power consumption of hot device is constant, and material is long for heat time heating time, causes the waste of resource energy consumption, it is also possible to cause the qualitative change of material;If thing
Material is not enough for heat time heating time, then directly result in temperature of charge too low, affect working performance.Chinese patent notification number
CN203423815U, entitled heater, disclose a kind of heater that can separately heat, including installing axle and being located at installation
A support plate of the multiple refractory materials on axle, is provided with between an adjacent support plate and is placed on the separation sleeve installed on axle, on a support plate
It is equipped with heat generating member, is characterized in: described heat generating member includes upper and lower distribution two groups of heat generating members, and each group heat generating member individually connects
It is connected to pair of electrodes rod, to respectively constitute upper and lower hot zone, to realize upper and lower partition heating.Exist such as when the said equipment uses
Lower problem, due to equipment this as firing equipment, therefore equipment local environment temperature is high, for fire district occurred frequently, in prior art
The electrode bar of heater uses common cable, the most aging, easily causes security incident;Firing equipment local environment is severe, ash
Dirt, steam are more, and the dustproof and waterproof of heater is also that those skilled in the art are badly in need of solving the technical problem that;How to improve and add
The thermal efficiency of hot body, is also the technical problem of this area.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, dustproof and waterproof, temperature easily regulate, structure
Firmly, the heater with attemperating unit that radiating efficiency is high.
For solving above-mentioned technical problem, the heater with attemperating unit that this utility model provides, including: mounting disc,
Axle, attemperating unit it is installed and is located at a support plate of the multiple refractory materials installed on axle, being provided with between an adjacent support plate and be placed on
Separation sleeve on axle is installed, the wall body of separation sleeve is evenly distributed with multiple through hole being radially arranged, to alleviate weight and to save
Material;Propping up and be equipped with heat generating member on support plate, described heat generating member includes upper and lower distribution two groups of heat generating members, and each group heat generating member list
Solely connect and have pair of electrodes rod, to respectively constitute upper and lower hot zone, to realize upper and lower partition heating.
Further, described mounting disc is set in the top of described installation axle, and the top of each electrode bar passes described mounting disc
It is connected with fire-resisting cable, for providing electric power to electrode bar;Described electrode bar is arranged with set with the junction of described fire-resisting cable
Tubular insulator, the middle part of this insulator is provided with lobe, and during assembling, described lobe is close to the bottom surface setting of described mounting disc,
For preventing hydrops etc. from entering inside heat-treatment furnace;The top of described insulator is provided with external screw thread, the bottom of described fire-resisting cable
It is provided with nut connector, carries out threaded for the external screw thread with insulator;The conductor of described fire-resisting cable is at described insulator
Sleeve in be fixedly linked with electrode bar;Described heat generating member is cylindrical, and the surface of each heat generating member is axially arranged with a plurality of axle along it
To groove, and the surface of each heat generating member is circumferentially with a plurality of circumferential recess along it;For increasing the surface area of heat generating member, exist simultaneously
Convection channel is formed along heat generating member, to increase the radiating efficiency of heat generating member in heater.
Further, the end face of described mounting disc is coated with polytetrafluorethylecoatings coatings, it is easy to cleaning, prevents dust from adhering to.
Further, described fire-resisting cable includes many conductors, is sequentially provided with flame retardant coating and insulating barrier, is arranged with outside each conductor
It is set in the protective layer being made up of inner sheath, armor, outer jacket after many conductor strand of flame retardant coating and insulating barrier;Conductor
It is externally provided with flame retardant coating, it is ensured that the high flame-retardant property of cable, is located at the use of hot environment.
Further, described flame retardant coating is made up of at least one in Muscovitum, asbestos, glass fabric, fire resistant flame retardant;Described
Insulating barrier is polyethylene layer or teflon insulation layer or polyvinyl chloride insulation layer.
Further, described inner sheath is silicone rubber inner sheath, and described armor is steel-tape armouring layer, and described outer jacket is pottery
The fire-resistant sheath of porcelain polyolefin, can be effectively increased the reliability of fire-resisting cable.
Further, described heat generating member is coated with the anti-oxidation coat of metal;Electrode bar in described upper hot zone is provided with
It is in the latch of the lower surface of adjacent supports dish, with fixed electrode rod.
Further, described installation axle includes: the upper installation axle being located in hot zone and the lower peace being located in lower hot zone
Dress axle, upper and lower installation axle is connected by central nut, central nut is radially provided with for locking upper and lower installation axle respectively
A pair lock-screw.
The technique effect of utility model: (1) heater with attemperating unit of the present utility model, electrode bar is through insulator
It is connected with fire-resisting cable, improves the safety of use;(2) end face of mounting disc is coated with polytetrafluorethylecoatings coatings, it is easy to
Cleaning;(3) surface of cylindric heat generating member is axially arranged with a plurality of axial notch along it, and the surface of each heat generating member sets along its circumference
There is a plurality of circumferential recess, for increasing the surface area of heat generating member, in heater, form convection channel along heat generating member simultaneously, to increase
Add the radiating efficiency of heat generating member;(4) temperature sensor is fixing is disposed in below mounting disc, and temperature sensor can remotely and effectively
The heating-up temperature of detection material, utilizes attemperating unit can detect material heating state at any time, enters according to material heating-up temperature demand
Trip temperature regulates and controls.
Accompanying drawing explanation
Below in conjunction with Figure of description, this utility model is described in further detail:
Fig. 1 is the structural representation of heater in this utility model embodiment;
Fig. 2 is the assembling schematic diagram of electrode bar in this utility model embodiment, insulator;
Fig. 3 is the structural representation of fire-resisting cable in this utility model embodiment;
Fig. 4 is the perspective view of heat generating member in this utility model embodiment.
In figure: above installation axle 1, a support plate 2, separation sleeve 3, heat generating member 4, axial notch 42, circumferential recess 43, electrode bar 5,
Insulator 51, lobe 52, external screw thread 53, lower installation axle 6, central nut 7, mounting disc 8, fire-resisting cable 9, nut connector 91,
Conductor 92, flame retardant coating 93, insulating barrier 94, inner sheath 95, armor 96, outer jacket 97, latch 10, lock-screw 11, temperature passes
Sensor 12.
Detailed description of the invention
Embodiment 1 is as it is shown in figure 1, the heater of the present embodiment, multiple resistance to be located on installation axle including installing axle
A support plate 2 of fire material, is provided with between an adjacent support plate 2 and is placed on the separation sleeve 3 installed on axle, a support plate 2 is equipped with and sends out
Warmware 4, described heat generating member 4 includes the two groups of heat generating members being distributed up and down, and each group heat generating member 4 is singly connected with pair of electrodes rod 5,
To respectively constitute upper and lower hot zone, and realize upper and lower partition heating;Also include being preferably employed temperature-sensitive electricity by temperature sensor 12(
Resistance or thermal resistance), temperature indicator constitute attemperating unit, temperature sensor 12 is fixedly installed on the diapire of mounting disc 8, temperature
Display (not shown) is installed on device external, for measuring the temperature in heater and showing;Axle is installed
Top is arranged with mounting disc 8, and the end face of mounting disc 8 is coated with polytetrafluorethylecoatings coatings, it is easy to cleaning;The top of each electrode bar 5
It is connected through mounting disc 8 with fire-resisting cable 9, for providing electric power to electrode bar 5;As in figure 2 it is shown, electrode bar 5 and fire-resisting cable 9
Junction be arranged with sleeve-shaped insulator 51, the middle part of this insulator 51 is provided with lobe 52, and during assembling, lobe 52 is close to
The bottom surface of mounting disc 8 is arranged, and is used for preventing hydrops etc. from entering inside heat-treatment furnace;The top of insulator 51 is provided with external screw thread 53,
The bottom of fire-resisting cable 6 is provided with nut connector 91, carries out threaded for the external screw thread 53 with insulator 51, fire-resisting cable 9
Conductor 92 be fixedly linked with electrode bar 5 in the sleeve of insulator 51.As it is shown on figure 3, fire-resisting cable includes 4 conductors 92,
The flame retardant coating 93 and poly-second being made up of Muscovitum (other embodiments can be asbestos, glass fabric) it is sequentially provided with outside each conductor 92
Alkene other embodiments of insulating barrier 94(can be teflon insulation layer or polyvinyl chloride insulation layer), be arranged with flame retardant coating and
It is set in the protective layer being made up of inner sheath 95, armor 96, outer jacket 97 after 4 conductor strand of insulating barrier;Use silicon
Rubber inner sheath as inner sheath 95, steel-tape armouring layer as armor 96, the fire-resistant sheath of ceramic polyolefin as outer jacket
97, it is ensured that the high flame-retardant property of cable, it is located at the use of hot environment, increases the reliability of fire-resisting cable.
As shown in Figure 4, each heat generating member 4 is cylindrical, and heat generating member 4 outer surface is coated with the anti-oxidation coat of metal;Heat generating member 4
Surface be axially arranged with a plurality of axial notch 42 along it, and the surface of each heat generating member is circumferentially with a plurality of circumferential recess 43 along it,
For increasing the surface area of heat generating member, in heater, form convection channel along heat generating member, to increase the heat radiation of heat generating member simultaneously
Efficiency;Electrode bar 5 in upper hot zone is provided with the latch 10 of the lower surface being in adjacent supports dish 2, with fixed electrode rod 5.
Axle 6 is installed include: the upper installation axle 1 being located in hot zone and the lower installation axle 6 being located in lower hot zone, upper,
Lower installation axle is connected by central nut 7, and central nut 7 is radially provided with a pair lock for locking upper and lower installation axle respectively
Tight screw 11.
The heating-up temperature of material can be understood according to temperature indicator in real time, reach temperature required at heated temperature of charge
Time, the power supply of the heat generating member 4 of subregion in disconnection, only have lower subregion and continue heating, to keep the temperature of material, thus can significantly drop
The power consumption of low heater, it is achieved the most energy-conservation purpose.
Obviously, above-described embodiment is only for clearly demonstrating this utility model example, and is not to this reality
Restriction with novel embodiment.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to obvious change or variation that spirit of the present utility model extended out still in protection domain of the present utility model
Among.
Claims (1)
1. an electric heater, it is characterised in that including: mounting disc (8), install axle (1) and be located in installation axle (1) multiple
A support plate (2) of refractory material, is provided with between an adjacent support plate (2) and is placed on the separation sleeve (3) installed on axle, separation sleeve (3)
On the multiple through hole that be radially arranged is distributed, support plate (2) is equipped with heat generating member (4), described heat generating member (4) includes upper and lower
Distribution two groups of heat generating members, and respectively organize heat generating member (4) be singly connected with pair of electrodes rod (5);
Described mounting disc (8) is set in the top of described installation axle, the top of each electrode bar (5) through described mounting disc (8) with
Fire-resisting cable (9) is connected;Described electrode bar (5) is arranged with sleeve-shaped insulator (51) with the junction of described fire-resisting cable (9),
The middle part of insulator (51) is provided with lobe (52), and during assembling, described lobe (52) is close to the bottom surface of described mounting disc (8) and is set
Put;The top of described insulator (51) is provided with external screw thread (53), and the bottom of described fire-resisting cable (9) is provided with nut connector (91),
For threadeding with the external screw thread of insulator (51) (53);The conductor (92) of described fire-resisting cable (9) is in described insulation
It is fixedly linked with electrode bar (5) in the sleeve of body (51);Described heat generating member (4) is cylindrical, and the surface of each heat generating member (4) is along it
It is axially arranged with a plurality of axial notch (42), and the surface of each heat generating member (4) is circumferentially with a plurality of circumferential recess (43) along it;
Described fire-resisting cable (9) includes many conductors (92), is sequentially provided with flame retardant coating (93) and insulating barrier outside each conductor (92)
(94) it is set in by inner sheath (95), armor after, being arranged with many conductor strand of flame retardant coating (93) and insulating barrier (94)
(96), in the protective layer that outer jacket (97) is constituted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620545257.XU CN205783741U (en) | 2016-06-06 | 2016-06-06 | A kind of electric heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620545257.XU CN205783741U (en) | 2016-06-06 | 2016-06-06 | A kind of electric heater |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205783741U true CN205783741U (en) | 2016-12-07 |
Family
ID=58133895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620545257.XU Expired - Fee Related CN205783741U (en) | 2016-06-06 | 2016-06-06 | A kind of electric heater |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205783741U (en) |
-
2016
- 2016-06-06 CN CN201620545257.XU patent/CN205783741U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210606 |
|
CF01 | Termination of patent right due to non-payment of annual fee |