CN207197259U - A kind of high temperature pusher electric kiln that there is height to combine heating bar - Google Patents
A kind of high temperature pusher electric kiln that there is height to combine heating bar Download PDFInfo
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- CN207197259U CN207197259U CN201721197367.2U CN201721197367U CN207197259U CN 207197259 U CN207197259 U CN 207197259U CN 201721197367 U CN201721197367 U CN 201721197367U CN 207197259 U CN207197259 U CN 207197259U
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Abstract
It the utility model is related to heat power engineering field, and in particular to a kind of high temperature pusher electric kiln that there is height to combine heating bar.Heat-generating units are provided with the electric kiln, the heat-generating units include at least one first heat-generating units and at least one second heat-generating units, it is poor vertical height to be present in the sites of heat generation of first heat-generating units and the second heat-generating units, and by way of alternateing, form the heating zone of the balance electric kiln vertical direction temperature difference.Heating power in same heating cross section internal furnace bottom is more than the heating power on top, because the thermal current in electric kiln up flows, by setting the highly different heating bar in hot junction, control reduces the temperature difference in the electric kiln, it is effective to reduce kiln section upper and lower temperature difference value, control the uniform of high-temperature region thermal field, so as to ensure that the apparent size of workpieces processing and the consistency of interiors of products performance are consistent, reduce product aberration, the sintering cost of product is reduced, obvious economic benefit is brought for enterprise's production.
Description
Technical field
It the utility model is related to heat power engineering field, and in particular to a kind of high temperature pusher electricity with height combination heating bar
Kiln.
Background technology
In the prior art, Si-Mo rod is a kind of high temperature resistant manufactured based on molybdenum disilicide, anti-oxidant, low aging
Novel resistor heater element, its characteristic are that high temperature is heated under oxidizing atmosphere, and surface energy generates one layer of fine and close quartzy glass
Glass film, protect it from reoxidizing, therefore with unique high-temperature oxidation resistance.But in kiln body section the distribution of thermal field mainly according to
Flowing by hot-air in the heating radiation and body of heater of Si-Mo rod produces.Because hot-air flows up all the time, therefore in body of heater
Each heating region in often upper temp be higher than temperature of lower, that is, the kiln upper and lower temperature difference often said.Generally
Body of heater upper and lower temperature difference increases with the increase of inner section height.For example, depth of section is 300mm electric pushed bat kiln upper and lower temperature difference
About 10 DEG C.It is relevant with the technology arrangement of Si-Mo rod in each warm area for how to reduce upper and lower temperature difference, on traditional structure, kiln
The design of stove typically using Φ 6 and Φ 9 U-shaped Si-Mo rod as heating element heater, cold end and hot end length according to furnace height and
Depending on furnace top insulation thickness degree, specification is substantially uniform, can not reduce section upper and lower temperature difference in terms of control principle.
Uniformity influence of the uniformity controlling of kiln section thermal field on workpiece is most important, and particularly high-temperature region thermal field is equal
Even property control directly determines the uniformity of workpiece apparent size, the size of product aberration, consistency of interiors of products performance etc., because
It is thermal technology field problem urgently to be resolved hurrily that how this, which effectively reduces kiln section upper and lower temperature difference,.
Utility model content
In order to effectively solve the above problems, the utility model provides a kind of high temperature pusher electricity with height combination heating bar
Kiln.
Concrete technical scheme of the present utility model is as follows：A kind of high temperature pusher electric kiln that there is height to combine heating bar,
Heat-generating units are provided with the electric kiln, the heat-generating units include at least one first heat-generating units and at least one second hair
Hot cell, adjacent first heat-generating units and the second heat-generating units are connected by series system；
It is poor vertical height to be present in the sites of heat generation of first heat-generating units and the second heat-generating units, and by mutually handing over
The mode replaced, form the heating zone of the balance electric kiln vertical direction temperature difference.
Further, first heating unit is the first heating bar, and second heat-generating units are the second heating bar knot
Structure, the described first and second heating bar are U-shaped structure；
Include hot junction and connection end in the U-shaped structure, the hot junction is located at the bottom of the U-shaped structure, the connection
End is highly higher than the hot junction of second heating bar positioned at the top of the U-shaped structure, the hot junction height of first heating bar.
Further, the hot junction of first heating bar is highly 400-600mm, and the hot junction of second heating bar is highly
For 200-350mm.
Further, the hot junction of first heating bar is highly 480mm, and the hot junction of second heating bar is highly
270mm。
Further, first heating bar and the second heating bar are connected in series with each other by the connection end.
Further, the hot junction of first heating bar is bent into U-shaped structure, first hair for the Si-Mo rod of linear
Hole and radiating projection are provided through on hot pin；
Vertical direction in the hot junction both sides sets the through hole, and is set in the opening position of the corresponding radiating projection
Put the radiating projection.
Further, the described first and second heating bar is Si-Mo rod.
Further, the week side of boss opening position of through hole is corresponded in the hot junction, extends in a radial direction out radiating projection, institute
State radiating projection and be coated on the through hole and the most weak opening position of the hot pin perisporium.
Further, the through hole and radiating projection are opened up in second heating bar, in the corresponding through hole
Opening position sets the radiating projection.
Further, it is characterised in that the through hole is oval through hole, the major semiaxis of the oval through hole
Direction is consistent with the vertical direction in the hot junction.
Usefulness of the present utility model：Using high temperature pusher electric kiln described in the utility model, in the same of electric kiln
In heating region, first heating bar, the second heating bar are according to the high and low level of heating location, the stove in same heating cross section
The heating power of thorax bottom is more than the heating power on top, because the thermal current in electric kiln up flows, by setting hot junction
Highly different heating bars, control reduces the temperature difference in the electric kiln, effective to reduce kiln section upper and lower temperature difference value, favorably
In the uniformity of regulation kiln section thermal field, the uniform of high-temperature region thermal field is especially controlled, so as to ensure the outward appearance of workpieces processing
The consistency of size and interiors of products performance is consistent, and is reduced product aberration, the yield rate of significant increase product, is reduced
The sintering cost of product, obvious economic benefit is brought for enterprise's production.
Brief description of the drawings
Fig. 1 is the structural representation of electric kiln described in the embodiment of the utility model one；
Fig. 2 is the structural representation of the heat-generating units of electric kiln described in the embodiment of the utility model one；
Fig. 3 is the partial enlarged drawing described in Fig. 2 at electric kiln A；
Fig. 4 is the overall structure diagram of the first heating bar described in the embodiment of the utility model one；
Fig. 5 is the overall structure diagram of the first heating bar described in another embodiment of the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining
The utility model, it is not used to limit the utility model.
On the contrary, the utility model cover it is any be defined by the claims do in spirit and scope of the present utility model
Replacement, modification, equivalent method and scheme.Further, it is right below in order that the public has a better understanding to the utility model
It is detailed to describe some specific detail sections in detailed description of the present utility model.Do not have for a person skilled in the art
The description of these detail sections can also understand the utility model completely.
As shown in Figure 1, 2, it is the overall structure diagram of the embodiment of the utility model one, this embodiment offers one kind to have
There is the high temperature pusher electric kiln 1 that height combines heating bar, heat-generating units are provided with the burner hearth of the high temperature pusher electric kiln 1
21, the heat-generating units 21 provide the pyrolytic semlting in the electric kiln 1, and the heat-generating units 21 include the first heat-generating units
21 and second heat-generating units 21, first heating unit be the first heating bar, second heat-generating units 21 are the second heating
Rod structure, the described first and second heating bar are heating bar structure；
As shown in Figure 3,4, the structural representation of the partial enlarged drawing for the heat-generating units 21 and single heating bar, institute
Stating heating bar includes hot junction 211 and connection end 212, and the hot junction 211 is U-shaped structure, and at the both ends in the hot junction 211 point
The connection end 212 is not connected, and the connection end 212 is located at the top both ends of the U-shaped structure, and adjacent in same heating zone
Heating bar be serially connected heating；
The length of hot junction 211 of first heating bar and the length of hot junction 211 of the second heating bar are different, specifically, institute
It is higher than the hot junction 211 of second heating bar to state the height of hot junction 211 of the in the vertical direction of the first heating bar, is preferably, institute
It is 480mm to state the height of hot junction 211 on the first heating bar vertical direction, the hot junction 211 on the second heating bar vertical direction
Highly it is 270mm.
First heating bar, the second heating bar are all Si-Mo rod in the prior art, and first heating bar, the second hair
Hot pin is combined into the heating subelement that the height of hot junction 211 differs, and several described heating subelements are by tandem compound into hot junction
211 interlaced heat-generating units 21.
The temperature of first heating bar and the second heating bar can individually be controlled by the temperature controller in electric kiln 1, temperature controller
For the technological means of existing electric kiln 1, temperature controller structure not shown in figure, realize in heating zone, first heating rod and
Second heating rod can carry out regulating and controlling temperature according to the actual temperature of electric kiln 1.
As shown in figure 5, in other embodiments, the hot junction 211 of first heating bar bends for the Si-Mo rod of linear
Into U-shaped structure, hole 214, vertical side of the through hole 214 along the hot junction 211 are provided through on first heating bar
To setting, and in the case where ensureing that the hot pin resistance is unaffected, the both sides of U-shaped structure symmetrically set described run through
Hole 214, the through hole 214 are ellipsoidal structure, major semiaxis direction and the hot junction 211 of the oval through hole 214
Vertical direction it is consistent.In the week side of boss opening position of the corresponding through hole 214 in the hot junction 211, extend in a radial direction out radiating and dash forward
Rise 213, it is described radiating projection 213 be coated on the through hole 214 and the most weak position in the hot pin periphery, for supplement because
The problem of opening up through hole 214 and causing hot pin part perisporium excessively thin.
Through hole 214 described in lower position in first heating bar and radiating projection 213, by by described first
Heating bar is applied in combination with second heating bar, and top and lower section temperature difference, enter one in electric kiln 1 described in adjustable and balancing
Step ground, through hole 214 and radiate projection 213 of first heating bar in lower position, ensureing not influenceing first heat
During the heat production efficiency of rod, the heat that expands area of dissipation, will pass through in time in hole 214 distributes, more efficient by heat
Amount exports the hot pin, lifts peripheral temperature.
Further, the through hole 214 and radiating projection 213 are equally also opened up on second heating bar, described the
The through hole 214 of one heating bar and radiating projection 213 are mainly disposed to hot pin bottom, and the through hole of second heating bar
214 and radiating projection 213 be uniformly arranged on hot pin on numerical value direction, pass through first heating bar and the second heating bar
Height combination and different through holes 214, the position grouping for the projection 213 that radiates, be advantageous to adjust the uniform of kiln section thermal field
Property, the uniform of high-temperature region thermal field is especially controlled, so as to ensure the densification of the apparent size of workpieces processing and interiors of products performance
Degree is consistent, and reduces product aberration, the yield rate of significant increase product.
The course of work：Using the high temperature pusher electric kiln 1, in the same heating region of electric kiln 1, first hair
According to the high and low level of heating location, the heating power in same heating cross section internal furnace bottom is more than for hot pin, the second heating bar
The heating power on top, because the thermal current in electric kiln 1 up flows, by setting the highly different heating bar in hot junction 211,
Control reduces the temperature difference in the electric kiln 1, effective to reduce kiln section upper and lower temperature difference value, reduces sintering into for product
This, improves the output of kiln sintering, and obvious economic benefit is brought for enterprise's production.
For the ordinary skill in the art, according to teaching of the present utility model, the utility model is not being departed from
Principle and spirit in the case of, the changes, modifications, replacement and the deformation that are carried out to embodiment still fall within of the present utility model
Within protection domain.
Claims (10)
1. a kind of high temperature pusher electric kiln that there is height to combine heating bar, it is characterised in that hair is provided with the electric kiln
Hot cell, the heat-generating units include at least one first heat-generating units and at least one second heat-generating units, adjacent first hair
Hot cell and the second heat-generating units are connected by series system；
The sites of heat generation of first heat-generating units and the second heat-generating units has that vertical height is poor, and by alternateing
Mode, form the heating zone of the balance electric kiln vertical direction temperature difference.
2. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 1, it is characterised in that described
First heating unit is the first heating bar, and second heat-generating units are the second heating bar structure, and described first and second generates heat
Rod is U-shaped structure；
Include hot junction and connection end in the U-shaped structure, the hot junction is located at the bottom of the U-shaped structure, the connection end position
In the top of the U-shaped structure, the hot junction height of first heating bar is highly higher than the hot junction of second heating bar.
3. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 2, it is characterised in that described
The hot junction of first heating bar is highly 400-600mm, and the hot junction of second heating bar is highly 200-350mm.
4. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 3, it is characterised in that described
The hot junction of first heating bar is highly 480mm, and the hot junction of second heating bar is highly 270mm.
5. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 2, it is characterised in that described
First heating bar and the second heating bar are connected in series with each other by the connection end.
6. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 1, it is characterised in that described
The hot junction of first heating bar is bent into U-shaped structure for the Si-Mo rod of linear, be provided through on first heating bar hole and
Radiate projection；
Vertical direction in the hot junction both sides sets the through hole, and sets institute in the opening position of the corresponding radiating projection
State radiating projection.
7. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 4, it is characterised in that described
First and second heating bar is Si-Mo rod.
8. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 6, it is characterised in that in institute
The week side of boss opening position that hot junction corresponds to through hole is stated, extends in a radial direction out radiating projection, the radiating projection is coated on described
Through hole and the most weak opening position of the hot pin perisporium.
9. a kind of high temperature pusher electric kiln that there is height to combine heating bar according to claim 6, it is characterised in that in institute
State the second heating bar and open up the through hole and radiating projection, set the radiating prominent in the opening position of the corresponding through hole
Rise.
10. according to a kind of high temperature pusher electric kiln that there is height to combine heating bar of claim 6 or 9, it is characterised in that
The through hole is oval through hole, the major semiaxis direction of the oval through hole and the vertical direction one in the hot junction
Cause.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197367.2U CN207197259U (en) | 2017-09-19 | 2017-09-19 | A kind of high temperature pusher electric kiln that there is height to combine heating bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197367.2U CN207197259U (en) | 2017-09-19 | 2017-09-19 | A kind of high temperature pusher electric kiln that there is height to combine heating bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197259U true CN207197259U (en) | 2018-04-06 |
Family
ID=61788359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721197367.2U Active CN207197259U (en) | 2017-09-19 | 2017-09-19 | A kind of high temperature pusher electric kiln that there is height to combine heating bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197259U (en) |
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2017
- 2017-09-19 CN CN201721197367.2U patent/CN207197259U/en active Active
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