CN209588718U - A kind of hot wind furnace outer wall cooling wind air duct - Google Patents
A kind of hot wind furnace outer wall cooling wind air duct Download PDFInfo
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- CN209588718U CN209588718U CN201920174145.1U CN201920174145U CN209588718U CN 209588718 U CN209588718 U CN 209588718U CN 201920174145 U CN201920174145 U CN 201920174145U CN 209588718 U CN209588718 U CN 209588718U
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- hot
- choke plate
- wall
- burner hearth
- cooling
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Abstract
The utility model provides a kind of hot wind furnace outer wall cooling wind air duct, solves the problems, such as that the burner hearth of air-cooled hot-blast stove and heat insulation shell inhomogeneous cooling are even.The hot-blast stove of the utility model includes heat insulation shell and burner hearth, cooling air channel is equipped between heat insulation shell and the outer wall of burner hearth, the rear portion of heat insulation shell is equipped with the cold air inlet being connected to cooling air channel, several choke plates are fixed on the outer wall of burner hearth, there are angles with the central axes with burner hearth for choke plate.The utility model in cooling air channel by adding choke plate, increase the film-cooled heat of burner hearth, choke plate makes the cooling wind in cooling air channel spin in air duct movement, cooling wind lateral flow is avoided, laminar flow occurs in turn results in hearth outer wall and the inhomogeneous cooling of heat insulation shell is even, effectively extends hot-blast stove service life.
Description
Technical field
The utility model relates to the air cooling technical fields of hot-blast stove, particularly relate to a kind of hot wind furnace outer wall cooling wind wind
Road.
Background technique
The cooling wind of air-cooled hot-blast stove is when cooling air channel directly circulates, since too fast be also easy to produce of cooling wind flowing is laterally divided
Cloth is uneven, so that the inhomogeneous cooling of burner hearth and heat insulation shell is even, and then the regional area of burner hearth is made to be easy to happen overheat, cause
Thermal stress is excessive, and the service life for reducing hot-blast stove is short；Heat insulation shell hot-spot causes hot-blast stove heat loss big, wastes energy
Source.
Utility model content
Burner hearth and heat insulation shell inhomogeneous cooling in order to solve the problems, such as the air-cooled hot-blast stove in the presence of background technique is even,
The utility model proposes a kind of hot wind furnace outer wall cooling wind air ducts.
The technical solution of the utility model is: a kind of hot wind furnace outer wall cooling wind air duct, hot-blast stove include heat insulation shell and
It is equipped with cooling air channel between the outer wall of burner hearth, heat insulation shell and burner hearth, the rear portion of heat insulation shell is equipped with to be connected to cooling air channel
Cold air inlet is fixed with several choke plates on the outer wall of burner hearth, and there are angles with the central axes with burner hearth for choke plate.
The hot-blast stove front is equipped with hot-blast outlet, and the front of cooling air channel is connected to hot-blast outlet.
The angle of the central axes of the choke plate and burner hearth is acute angle.
Outer surface, choke plate and the burner hearth junction of the choke plate are coated with the heat-conducting layer of highly heat-conductive material production.
The choke plate spiral is evenly distributed on the outer wall of burner hearth.
The inner wall of the cooling air channel is equipped with several equally distributed turbulent items.
The turbulent flow item is bar shaped turbulent flow item or V-arrangement turbulent flow item.
The choke plate is flat choke plate, arc choke plate or waveform choke plate.
The concave surface of the arc choke plate is towards cold air inlet.
The wave crest of the waveform choke plate is triangular prism shaped.
The advantages of the utility model: the utility model is by being arranged cooling wind between heat insulation shell and the outer wall of burner hearth
Choke plate is added in road in cooling air channel, and choke plate increases the film-cooled heat of burner hearth, and choke plate makes the cooling in cooling air channel
Wind is spinned movement in air duct, is avoided cooling wind lateral flow, laminar flow occurs is in turn resulted in hearth outer wall and heat insulation shell
Inhomogeneous cooling is even, effectively extends hot-blast stove service life.Further, the outlet of cooling air channel is connected with hot-blast outlet,
Cooling wind after making heating is finally and the hot wind mixing of hot-blast stove generation, the thermal loss of reduction hot-blast stove entirety save fuel.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the agent structure schematic diagram of the utility model；
Fig. 2 is the turbulent partial structural diagram of bar shaped inside the cooling air channel of the utility model；
Fig. 3 is the turbulent partial structural diagram of V-arrangement inside the cooling air channel of the utility model；
Fig. 4 is the arc choke plate structural schematic diagram of the utility model；
Fig. 5 is the waveform choke plate structural schematic diagram of the utility model.
1, heat insulation shell in figure, 2, cooling air channel, 201, bar shaped turbulent flow item, 202, V-arrangement turbulent flow item, 3, burner hearth, 4, choke
Plate, 5, cold air inlet, 6, hot-blast outlet, 7, arc choke plate, 8, waveform choke plate, 801, wave crest.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: a kind of hot wind furnace outer wall cooling wind air duct, as shown in Figure 1, hot-blast stove includes heat insulation shell 1 and burner hearth
3, hot-blast stove front is equipped with hot-blast outlet 6, and cooling air channel 2 is equipped between heat insulation shell 1 and the outer wall of burner hearth 3, heat insulation shell 1
Rear portion is equipped with the cold air inlet being connected to cooling air channel 2, and the front of cooling air channel 2 is connected to hot-blast outlet 6, so that after heating
Cooling wind is last and hot wind mixing, the thermal loss of reduction hot-blast stove entirety save fuel.It is fixed on the outer wall of burner hearth 3
, using choke plate 4 made of heat-conducting metal, choke plate 4 increases the film-cooled heat of burner hearth 3 for several, and choke plate 4 is flat
Choke plate, choke plate 4 are acute angle with the angle with the central axes of burner hearth 3, and 4 spiral of choke plate is evenly distributed on the outer wall of burner hearth 3
On.Angularly disposed choke plate 4 can reduce the influence to cooling wind wind speed, and remaining choke plate 4 makes cooling wind in cooling
The effect of 2 inside spin of air duct movement, makes cooling wind form turbulent flow in cooling air channel 2, avoids cooling wind lateral flow, layer occurs
It is even that stream in turn results in inhomogeneous cooling, keeps hearth outer wall and heat insulation shell cooling more evenly.
Embodiment 2: a kind of hot wind furnace outer wall cooling wind air duct, outer surface, choke plate 4 and 3 junction of burner hearth of choke plate 4
It is coated with the heat-conducting layer of highly heat-conductive material production.The heat-conducting layer of highly heat-conductive material production is faster convenient for the surface of choke plate 4
The heat from burner hearth 3 is transmitted, the radiating efficiency of burner hearth 3 is accelerated.Other structures are same as Example 1.
Embodiment 3: a kind of hot wind furnace outer wall cooling wind air duct, as shown in Fig. 2, the inner wall of cooling air channel 2 is equipped with several
A equally distributed bar shaped turbulent flow item 201, bar shaped turbulent flow item 201 reinforce the turbulent flow effect of cooling wind in cooling air channel 2.Other knots
Structure is same as Example 2.
Embodiment 4: a kind of hot wind furnace outer wall cooling wind air duct, as shown in figure 3, the inner wall of cooling air channel 2 is equipped with several
A equally distributed V-arrangement turbulent flow item 202, V-arrangement turbulent flow item 202 reinforce the turbulent flow effect of cooling wind in cooling air channel 2.Other structures
It is same as Example 2.
Embodiment 5: a kind of hot wind furnace outer wall cooling wind air duct, as shown in figure 4, the structure of choke plate 4 is arc choke plate
7, the concave surface of arc choke plate 7 is towards cold air inlet 5.When cooling wind flows through arc choke plate 7, cooling wind can obtain one tiltedly
To the power of convolution, cooperate the forward thrust of the cooling wind at rear portion, so that the turbulent flow effect of cooling wind is more preferable.Other structures and implementation
Example 2 is identical.
Embodiment 6: a kind of hot wind furnace outer wall cooling wind air duct, as shown in figure 5,4 waveform choke plate 8 of choke plate, wave
The wave crest 801 of form drag aerofoil 8 is triangular prism shaped.Cooling wind pass through waveform choke plate 8 when, triangular prism shaped wave crest 801 by
In raised sharp portion cord, can when cooling wind obtain bigger resistance, make cooling wind in the trough between wave crest 801
The longer time is stopped, the heat exchange efficiency of the cooling wind of unit volume is increased, saves the energy.Other structures are same as Example 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of hot wind furnace outer wall cooling wind air duct, hot-blast stove includes heat insulation shell (1) and burner hearth (3), it is characterised in that: heat-insulated
Cooling air channel (2) are equipped between shell (1) and the outer wall of burner hearth (3), the rear portion of heat insulation shell (1) is equipped with and cooling air channel (2)
The cold air inlet (5) of connection, is fixed with several choke plates (4) on the outer wall of burner hearth (3), choke plate (4) and burner hearth (3)
There are angles for central axes.
2. a kind of hot wind furnace outer wall cooling wind air duct as described in claim 1, it is characterised in that: hot-blast stove front is equipped with hot wind
It exports (6), the front of cooling air channel (2) is connected to hot-blast outlet (6).
3. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 1 or 2, it is characterised in that: choke plate (4) and burner hearth
(3) angle of central axes is acute angle.
4. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 3, it is characterised in that: the outer surface of choke plate (4),
Choke plate (4) and burner hearth (3) junction are coated with the heat-conducting layer of highly heat-conductive material production.
5. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 4, it is characterised in that: choke plate (4) spiral is uniform
It is distributed on the outer wall of burner hearth (3).
6. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 5, it is characterised in that: the inner wall of cooling air channel (2)
It is equipped with several equally distributed turbulent items.
7. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 6, it is characterised in that: turbulent item is bar shaped turbulent flow item
(201) or V-arrangement turbulent flow item (202).
8. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 5, it is characterised in that: choke plate (4) is flat
Choke plate, arc choke plate (7) or waveform choke plate (8).
9. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 8, it is characterised in that: arc choke plate (7) it is recessed
Facing towards cold air inlet (5).
10. a kind of hot wind furnace outer wall cooling wind air duct as claimed in claim 8, it is characterised in that: waveform choke plate (8)
Wave crest (801) is triangular prism shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174145.1U CN209588718U (en) | 2019-01-31 | 2019-01-31 | A kind of hot wind furnace outer wall cooling wind air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174145.1U CN209588718U (en) | 2019-01-31 | 2019-01-31 | A kind of hot wind furnace outer wall cooling wind air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209588718U true CN209588718U (en) | 2019-11-05 |
Family
ID=68354343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920174145.1U Active CN209588718U (en) | 2019-01-31 | 2019-01-31 | A kind of hot wind furnace outer wall cooling wind air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209588718U (en) |
-
2019
- 2019-01-31 CN CN201920174145.1U patent/CN209588718U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230523 Address after: 454000 South side of the middle section of Guhuang Road, Wenxian Industrial Agglomeration Zone, Jiaozuo City, Henan Province Patentee after: Henan Zhonglian Teda Machinery Manufacturing Co.,Ltd. Address before: 450000 No. 91, floor 10, unit 2, building 13, No. 11, Changchun Road, high tech Zone, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU TAIDA ENERGY-SAVING DRYING EQUIPMENT CO.,LTD. |
|
| TR01 | Transfer of patent right |