CN209541160U - Adjustable hot-blast stove - Google Patents
Adjustable hot-blast stove Download PDFInfo
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- CN209541160U CN209541160U CN201822076650.0U CN201822076650U CN209541160U CN 209541160 U CN209541160 U CN 209541160U CN 201822076650 U CN201822076650 U CN 201822076650U CN 209541160 U CN209541160 U CN 209541160U
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- tube
- pipeline section
- hot
- inner tube
- cold
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Abstract
The utility model discloses a kind of adjustable hot-blast stoves, including inner tube, it encloses equipped with outer tube the outside of inner tube, the lower end drop-over combustion chamber of inner tube, the upper end of inner tube is postponed upwards connects stovepipe, and intermediate tube is arranged between inner and outer tubes, the tubular area that inner tube and intermediate tube surround constitutes hot wind access, the upper and lower ends of hot wind access are connected to environment cold wind and hot wind air supply tube respectively, and the tubular area that outer tube and intermediate tube surround constitutes cold air passage, and cold air passage is connected with environment cold wind.The high-temperature flue gas generated in combustion chamber is flowed up from the bottom of inner tube, the cold wind import of one cold air from annular access upper end enters hot wind access, another strand of cold air enters outer tube and intermediate tube surrounds cold air passage, air in cold air passage flow to hot wind access after capable of being preheated, the loss of heat will be greatly reduced in this, improves the thermal efficiency of hot-blast stove.
Description
Technical field
The present invention relates to tea machinery apparatus field, specially a kind of heating air is used as the adjustable heat of drying tea leaves
Wind furnace.
Background technique
Drying tea leaves are one of important procedures of tealeaves production, are passed through drying tea leaves after generally being heated air by hot-blast stove
Drying and processing is carried out to tealeaves in equipment.Existing hot-blast stove includes inner and outer tubes, outer tube be set in inner tube and the two it
Between form the current path of annular, combuster is set at the tube bottom of inner tube, and the high-temperature flue gas of generation is from inner tube in combustion chamber
Tube bottom is discharged to nozzle, and cold air carries out heat exchange with inner pipe wall from after the air inlet entrance of current path upper end, after heating
Air be expelled in tea leaf drier by the gas outlet of current path lower end.The heat for the air being wherein heated will conduct
To outer tube wall, the heat energy loss of hot-air is caused, causes the thermal efficiency of existing hot-blast stove low.And with outer tube temperature
Rise, the temperature of outer tube is higher, if staff touches outer tube and will lead to personnel's scald.
In addition, the temperature into hot-air in baking oven can only be adjusted by increaseing or decreasing the intensity of a fire in Combustion of Hot Air Furnace room
Section, the time for causing existing temperature to be adjusted to ideal temperature is longer, is easy to make tealeaves to change colour because of drying temperature or adustion, seriously
Influence the quality of tealeaves.
Summary of the invention
The object of the present invention is to provide a kind of adjustable hot-blast stoves for improving heat utilization rate.
To achieve the goals above, the technical solution of use are as follows: a kind of adjustable hot-blast stove, including inner tube, inner tube
Outside is enclosed equipped with outer tube, and the lower end drop-over combustion chamber of inner tube, the upper end of inner tube is postponed upwards connects stovepipe, inner and outer tubes it
Between intermediate tube is set, the tubular area that inner tube and intermediate tube surround constitutes hot wind access, the upper and lower ends of hot wind access respectively with
Environment cold wind and the connection of hot wind air supply tube, the tubular area that outer tube and intermediate tube surround constitute cold air passage, cold air passage and ring
Border cold wind is connected.
Compared with prior art, technical effect of the invention are as follows: the high-temperature flue gas generated in combustion chamber is from the bottom of inner tube
It flows up, the cold wind import of one cold air from annular access upper end enters hot wind access, and another strand of cold air enters outer tube
Cold air passage is surrounded with intermediate tube, the air in cold air passage flow to hot wind access after capable of being preheated, heat will be greatly reduced in this
The loss of amount improves the thermal efficiency of hot-blast stove.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is the enlarged diagram of structure at M in Fig. 1；
Fig. 3 is the schematic diagram that the annular adjusting ring of the present invention adjusts incoming air area.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, and single tail hollow arrow is the flowing side of air in attached drawing
To double tail hollow arrows are the flow direction of flue gas.
A kind of adjustable hot-blast stove, including inner tube 10, the outside of inner tube 10 are enclosed equipped with outer tube 20, and the lower end of inner tube 10 is suitable
Combustion chamber 80 is connect, the upper end of inner tube 10 is postponed upwards connects stovepipe 11, and intermediate tube 30 is arranged between inner tube 10 and outer tube 20, interior
The tubular area that pipe 10 and intermediate tube 30 surround constitutes hot wind access 1, the upper and lower ends of hot wind access 1 respectively with environment cold wind and
Hot wind air supply tube 50 is connected to, and the tubular area that outer tube 20 and intermediate tube 30 surround constitutes cold air passage 2, cold air passage 2 and environment
Cold wind is connected.
As shown in Figure 1, the bottom of high-temperature flue gas from the inner tube 10 generated in combustion chamber 80 flows up, one cold air is certainly
The cold wind import 21 of 1 upper end of hot wind access enters hot wind access 1；Another strand of cold air enter outer tube 20 surrounded with intermediate tube 30 it is cold
Hot wind access 1 is flow to after wind access 2 again.Two strands of air are heated rear Self-air-heating air supply tube 50 and are discharged.
Hot wind access 3, hot wind access are flowed into again after the tube wall preheating of intermediate tube 30 into the cold air in cold air passage 2
The flue gas heat exchange in tube wall and flue gas access 1 that air in 3 passes through inner tube 10, not only the heat exchange area of air increases in this way
Add, the heating rate of air is fast, and the cold air passage 2 of outer layer is arranged, and significantly reduces the loss of heat, can significantly improve
The thermal efficiency of hot-blast stove.In addition, at normal temperatures and pressures, the tube wall temperature of outer tube 20 will be maintained between 30 DEG C to 40 DEG C, work
It will not be burned even if making personnel and touching outer tube 20.
Cold wind import 21 is offered on the tube wall of 20 lower part of outer tube, 2 upper end of cold air passage and 1 upper end of hot wind access connect
It is logical, it is disposed with adjusting unit at cold wind import 21, adjusts the air inlet sectional area size that unit adjusts cold wind import 21.
As shown in Figures 2 and 3, by adjusting the air inlet sectional area size of cold wind import 21, just it can increase or reduce from cold wind
Import 21 enter air capacity, can quickly adjust in this way hot wind air supply tube 50 outlet leaving air temp, not only prevent tealeaves because
Drying temperature and change colour or adustion, guarantee the quality for influencing tealeaves, and due to the upper end of hot wind access 1 have environment cold wind into
Enter, therefore, this hot-blast stove being capable of continuous outlet air while adjusting temperature, it is ensured that the drying effect of tealeaves in drying equipment.
The bottom tube wall of the outer tube 20 several air inlets that circumferentially uniform intervals open up constitute cold wind import 21, adjust
Unit is the annular adjusting ring 60 being set at 20 bottom of outer tube, the inner diameter size of the outer diameter of outer tube 20 and annular adjusting ring 60
Unanimously, through-hole corresponding with the enterprising stomata of outer tube 20, the through-hole hole core on annular adjusting ring 60 are offered on annular adjusting ring 60
It is located at same level with the air inlet hole core on outer tube 20, annular adjusting ring 60 rotates around its center line and adjusts cold wind import 21
Air inlet sectional area size.
Worker only needs to rotate the air inlet sectional area size of the i.e. adjustable cold wind import 21 of annular adjusting ring 60, adjusting side
Just, and can quickly adjust hot wind air supply tube 50 outlet leaving air temp, in addition, 20 bottom periphery of outer tube can uniformly into
Wind guarantees that air being capable of thermally equivalent.
Said inner tube 10 includes cylinder pipeline section 12, and 12 lower end of cylinder pipeline section is connected with bottom plate 14, upper end tube nozzle and stovepipe
It is conical 13 transition of pipeline section connection between 11, is provided with taper smoke guiding cover 70 in the conical pipeline section 13 of inner tube 10, taper is led
13 arranged for interval of taper pipeline section of petticoat pipe 70 and inner tube 10 forms the flue gas access of conical ring.The setting of taper smoke guiding cover 70, makes
Flue gas can be along the flue gas flow channels of conical ring, so that high-temperature flue gas can sufficiently connect with 13 tube wall of taper pipeline section of inner tube 10
Touching, to further increase the thermal efficiency of hot-blast stove.
Outer tube 20 includes major diameter pipeline section, taper pipeline section and the minor diameter pipeline section being sequentially arranged from bottom to top, outer tube 20
The nozzle of minor diameter pipeline section and the tube wall of stovepipe 11 surround the cold wind import 21 of annular.One cold wind from cold wind import 21 into
Enter, this strand of cold air enters hot wind access 1 after capable of being preheated by the tube wall of stovepipe 11, improves the flue gas entered in stovepipe 11
The utilization rate of waste heat.
Intermediate tube 30 includes the cylinder pipeline section being sequentially arranged from top to bottom and taper pipeline section, the cylinder pipeline section of intermediate tube 30
Between the major diameter pipeline section of inner and outer pipe 10,20, the circular cone pipeline section of intermediate tube 30 extends to the cone of inner and outer pipe 10,20
The middle part of pipeline section.The air outlet of 2 upper end of cold air passage and the air inlet of 1 upper end of hot wind access are respectively positioned on the circle of inner and outer pipe 10,20
The middle part of taper pipeline section, it is ensured that two strands of cold airs enter back into hot wind access 1 after capable of being fully warmed-up, and are brought rapidly up cold air.
Exhaust fan is connected on the hot wind air supply tube 50.
Claims (7)
1. a kind of adjustable hot-blast stove, including inner tube (10), the outside of inner tube (10) is enclosed equipped with outer tube (20), inner tube (10)
Lower end drop-over combustion chamber (80), the upper end of inner tube (10) is postponed upwards connects stovepipe (11), it is characterised in that: inner tube (10) and
Intermediate tube (30) are set between outer tube (20), inner tube (10) constitutes hot wind access (1) with the tubular area that intermediate tube (30) surround,
The upper and lower ends of hot wind access (1) are connected to environment cold wind and hot wind air supply tube (50) respectively, outer tube (20) and intermediate tube (30)
The tubular area surrounded constitutes cold air passage (2), and cold air passage (2) is connected with environment cold wind.
2. adjustable hot-blast stove according to claim 1, it is characterised in that: opened on the tube wall of outer tube (20) lower part
Equipped with cold wind import (21), cold air passage (2) upper end is connected to hot wind access (1) upper end, and cold wind import is disposed with tune at (21)
Unit is saved, the air inlet sectional area size that unit adjusts cold wind import (21) is adjusted.
3. adjustable hot-blast stove according to claim 2, it is characterised in that: the bottom tube wall of the outer tube (20) is along week
Several air inlets opened up to uniform intervals constitute cold wind import (21), and adjusting unit is the ring being set at outer tube (20) bottom
Shape adjusting ring (60), the outer diameter of outer tube (20) is consistent with the inner diameter size of annular adjusting ring (60), opens on annular adjusting ring (60)
The air inlet on through-hole hole core and outer tube (20) equipped with through-hole corresponding with outer tube (20) enterprising stomata, on annular adjusting ring (60)
Kong Kongxin is located at same level, and annular adjusting ring (60) rotates the air inlet sectional area for adjusting cold wind import (21) around its center line
Size.
4. adjustable hot-blast stove according to claim 1, it is characterised in that: said inner tube (10) includes cylinder pipeline section
(12), cylinder pipeline section (12) lower end is connected with bottom plate (14), between upper end tube nozzle and stovepipe (11) is conical pipeline section (13)
Transition connection, the conical pipeline section (13) of inner tube (10) is interior to be provided with taper smoke guiding cover (70), taper smoke guiding cover (70) and inner tube
(10) taper pipeline section (13) arranged for interval forms the flue gas access of conical ring.
5. adjustable hot-blast stove according to claim 4, it is characterised in that: outer tube (20) includes successively cloth from bottom to top
Major diameter pipeline section, taper pipeline section and the minor diameter pipeline section set, nozzle and stovepipe (11) of the minor diameter pipeline section of outer tube (20)
Tube wall surrounds the cold wind import (21) of annular.
6. adjustable hot-blast stove according to claim 5, it is characterised in that: intermediate tube (30) includes from top to bottom successively
The cylinder pipeline section and taper pipeline section of arrangement, the cylinder pipeline section of intermediate tube (30) be located at inner and outer pipe (10,20) major diameter pipeline section it
Between, the circular cone pipeline section of intermediate tube (30) extends to the middle part of the conical pipeline section of inner and outer pipe (10,20).
7. adjustable hot-blast stove according to claim 1, it is characterised in that: be connected with pumping on the hot wind air supply tube (50)
Blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076650.0U CN209541160U (en) | 2018-12-11 | 2018-12-11 | Adjustable hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076650.0U CN209541160U (en) | 2018-12-11 | 2018-12-11 | Adjustable hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209541160U true CN209541160U (en) | 2019-10-25 |
Family
ID=68263959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822076650.0U Expired - Fee Related CN209541160U (en) | 2018-12-11 | 2018-12-11 | Adjustable hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209541160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520128A (en) * | 2018-12-11 | 2019-03-26 | 黄山市白云机械有限公司 | Adjustable hot-blast stove |
-
2018
- 2018-12-11 CN CN201822076650.0U patent/CN209541160U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520128A (en) * | 2018-12-11 | 2019-03-26 | 黄山市白云机械有限公司 | Adjustable hot-blast stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20211211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |