CN209584317U - A kind of heated air circulation heat treating furnace spout device - Google Patents
A kind of heated air circulation heat treating furnace spout device Download PDFInfo
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- CN209584317U CN209584317U CN201920153992.XU CN201920153992U CN209584317U CN 209584317 U CN209584317 U CN 209584317U CN 201920153992 U CN201920153992 U CN 201920153992U CN 209584317 U CN209584317 U CN 209584317U
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- spout device
- bottom plate
- air circulation
- heated air
- heat treating
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Abstract
The utility model provides a kind of heated air circulation heat treating furnace spout device, belong to heat treatment equipment field, including the spout device bottom plate being fixed on heated air circulation heat treating furnace inner frame and several canted nozzles being arranged on spout device bottom plate, several described canted nozzle rotation distributions are to form rotation hot air flow in workpiece surface；The angle of the canted nozzle and spout device bottom plate is 30-45 °, and the outlet side of the canted nozzle is 100-150mm at a distance from spout device bottom plate, and the diameter of the canted nozzle outlet end is 20-50mm.The heated air circulation heat treating furnace of the utility model is mounted in furnace diversion air duct towards on the side wall of workpiece with spout device, a high-speed rotating round hot wind flow disk is formed in workpiece surface by multiple canted nozzles of rotation distribution, it is remoter from spout, hot wind disk diameter is bigger, so that it is guaranteed that workpiece entirety thermally equivalent.
Description
Technical field
The utility model belongs to heat treatment equipment field, and in particular to a kind of heated air circulation heat treating furnace spout device.
Background technique
Heat treatment refers to material in the solid state, by the means of heating, heat preservation and cooling, to obtain intended tissue and performance
A kind of metal heat processing technique, it is many at present in Low Temperature Heat Treatment furnaces be all that furnace air is made to force stream by high-temperature blower
It is dynamic, to reinforce convective heat transfer, uniform furnace temperature and speed heating rate, hot wind is usually provided in this recirculation furnace and is followed
Ring blower and diversion air duct, hot wind are circulated by setting path between heater and workpiece, heat workpiece to realize
Purpose.
Under the premise of furnace type structure determination, the determination of heat treatment process temperature, workpiece material and shape determine, hot friendship is influenced
The key factor for changing effect is the flowing velocity of hot wind, and hot wind flow speed is faster, then better with the heat exchange effect of workpiece.For
Heating efficiency is further promoted, a kind of recirculation furnace of jet flow heating exists in the prior art, specifically uses higher pressure
Centrifugal blower improve hot air circulation kinetic energy in furnace, the diversion air duct that traditional open exports is done into necking processing, i.e. water conservancy diversion
Ducting outlet is nozzle configuration, so that critical air outlet velocity be improved, the hot wind of high speed is allowed directly to spray to workpiece, to substantially mention
The heat exchange effect between hot wind and workpiece is risen, realizes quickly heating purpose.
Although existing jet flow heating can be improved heat exchange effect, the design of nozzle configuration leads to spout central
It is poor to there is very big air quantity with non-nozzle area, although being able to ascend local heating's speed in this way, workpiece temperature it is uniform
Property will receive influence.
Utility model content
Background in view of the above technology, the utility model provides a kind of heated air circulation heat treating furnace spout device, by multiple
Tilting Nozzle combination forms the hot wind flow field of a rotation, it can be achieved that furnace more evenly while realizing jet flow heating
Interior temperature field, so that it is guaranteed that heat treatment of workpieces temperature uniformity.
To achieve the goals above, the technical solution of the utility model is as follows:
A kind of heated air circulation heat treating furnace spout device, including the spout device bottom being fixed in heated air circulation heat treating furnace
Plate and several canted nozzles being arranged on spout device bottom plate, several described canted nozzle rotation distributions are in workpiece
Surface forms rotation hot air flow.
Wherein, the canted nozzle is equipped with 6-10, and the outlet side of each canted nozzle is throat structure.
Preferably, the angle of the canted nozzle and spout device bottom plate is 30-45 °, the outlet side of the canted nozzle with
The distance of spout device bottom plate is 100-150mm.
It is highly preferred that the diameter of the canted nozzle outlet end is 20-50mm.
Wherein, the spout device bottom plate is rectangular configuration, and the spout device bottom plate outer rim offers Method for Installation flange aperture.
Preferably, stiffener plate is additionally provided on the spout device bottom plate.
Wherein, the material of the spout device bottom plate and canted nozzle is stainless steel.
Compared with prior art, the utility model has the beneficial effects that
The heated air circulation heat treating furnace of the utility model is mounted on side wall of the diversion air duct towards workpiece in furnace with spout device
On, a high-speed rotating round hot wind flow disk is formed in workpiece surface by multiple canted nozzles of rotation distribution, from spray
Mouth is remoter, and hot wind disk diameter is bigger, so that it is guaranteed that workpiece entirety thermally equivalent.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.
Fig. 1 is the top view of the utility model embodiment heated air circulation heat treating furnace spout device；
Fig. 2 is the structural schematic diagram of canted nozzle in Fig. 1.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Workpiece is caused to heat non-uniform defect in order to solve jet flow heating in the prior art, the present embodiment provides a kind of heat
Wind cycle heat treatment furnace spout device, including spout device bottom plate 1 and several rotations point being arranged on spout device bottom plate 1
Spout device bottom plate 1 when specifically used, can be fixed in furnace diversion air duct towards on the side wall of workpiece by the canted nozzle 2 of cloth,
Hot wind sprays the temperature field in furnace, it can be achieved that more evenly from canted nozzle 2 under the driving of high pressure blower in furnace, so that it is guaranteed that work
Part heat treatment temperature uniformity.
In the present embodiment, as shown in Figure 1, the spout device bottom plate 1 is rectangular configuration, material is heat-resistance stainless steel,
Size matches with the effective stocking space of burner hearth, and 1 outer rim of spout device bottom plate offers several Method for Installation flange aperture 101, leads to
It crosses Method for Installation flange aperture 101 and spout device bottom plate 1 is fixed on burner hearth two sides, hot air circulation duct in furnace is constituted, in order to improve spout
The stability of device bottom plate 1 is additionally provided with stiffener plate 102 on the spout device bottom plate 1, specifically, the stiffener plate 102 is equipped with
4 and rotation distribution.
In the present embodiment, the canted nozzle 2 is equipped with 8, and the number of canted nozzle 2 can carry out as the case may be
Adjustment, 8 canted nozzles 2 are welded on spout device bottom plate 1, and the outlet side of each canted nozzle 2 is contracting
Mouth structure, the canted nozzle 2 are formed by heat-resistance stainless steel plate welding, and specific structure is as shown in Fig. 2, the canted nozzle 2
Angle with spout device bottom plate 1 is 30-45 °, and the outlet side of the canted nozzle 2 is 100- at a distance from spout device bottom plate 1
150mm, the diameter of 2 outlet end of canted nozzle are 20-50mm, it should be noted that the parameters of the canted nozzle 2
The present embodiment is simultaneously not specifically limited, i.e., the shape, quantity of canted nozzle 2 and setting angle can be changed as needed, only
If the critical wind velocity of the outlet of canted nozzle 2 can be guaranteed in 30m/s or so.
It should be pointed out that for those of ordinary skill in the art, before not departing from the concept of the present invention
It puts, various modifications and improvements can be made, and these are all within the protection scope of the present invention.
Claims (7)
1. a kind of heated air circulation heat treating furnace spout device, which is characterized in that including being fixed in heated air circulation heat treating furnace
Spout device bottom plate and several canted nozzles being arranged on spout device bottom plate, several described canted nozzle rotation distributions
To form rotation hot air flow in workpiece surface.
2. heated air circulation heat treating furnace according to claim 1 spout device, which is characterized in that the canted nozzle is equipped with
6-10, and the outlet side of each canted nozzle is throat structure.
3. heated air circulation heat treating furnace according to claim 1 spout device, which is characterized in that the canted nozzle and spray
The angle of mouthpart bottom plate is 30-45 °, and the outlet side of the canted nozzle is 100-150mm at a distance from spout device bottom plate.
4. heated air circulation heat treating furnace according to claim 3 spout device, which is characterized in that the canted nozzle outlet
The diameter at end is 20-50mm.
5. heated air circulation heat treating furnace according to claim 1 spout device, which is characterized in that the spout device bottom plate is
Rectangular configuration, and the spout device bottom plate outer rim offers Method for Installation flange aperture.
6. heated air circulation heat treating furnace according to claim 5 spout device, which is characterized in that on the spout device bottom plate
It is additionally provided with stiffener plate.
7. heated air circulation heat treating furnace spout device described in -6 any one according to claim 1, which is characterized in that the spray
The material of mouthpart bottom plate and canted nozzle is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153992.XU CN209584317U (en) | 2019-01-29 | 2019-01-29 | A kind of heated air circulation heat treating furnace spout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153992.XU CN209584317U (en) | 2019-01-29 | 2019-01-29 | A kind of heated air circulation heat treating furnace spout device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209584317U true CN209584317U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920153992.XU Active CN209584317U (en) | 2019-01-29 | 2019-01-29 | A kind of heated air circulation heat treating furnace spout device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113817908A (en) * | 2021-08-13 | 2021-12-21 | 苏州新长光热能科技有限公司 | Annealing furnace |
-
2019
- 2019-01-29 CN CN201920153992.XU patent/CN209584317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113817908A (en) * | 2021-08-13 | 2021-12-21 | 苏州新长光热能科技有限公司 | Annealing furnace |
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