CN109221480A - A kind of tea drier with waste-heat recovery device - Google Patents
A kind of tea drier with waste-heat recovery device Download PDFInfo
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- CN109221480A CN109221480A CN201811229111.4A CN201811229111A CN109221480A CN 109221480 A CN109221480 A CN 109221480A CN 201811229111 A CN201811229111 A CN 201811229111A CN 109221480 A CN109221480 A CN 109221480A
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- baking oven
- hot
- tube
- waste
- shell
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- 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.)
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
Abstract
The invention belongs to tea processing field, more particularly to a kind of tea drier with waste-heat recovery device, including baking oven and hot-blast stove, baking oven is connected to hot-blast stove through heat conducting pipe, the first blower is equipped in hot-blast stove, heat exchanger is equipped at the top of baking oven, heat exchanger is connected to hot-blast stove by hot air pipe, heat exchanger includes shell and U-tube, U-tube is located in shell, heat exchanger bottom sets the first air inlet, first air inlet is connected to baking oven, the first gas outlet is set at the top of heat exchanger, second blower is installed at the first gas outlet, heat exchanger side wall sets the second air inlet and the second gas outlet, third blower is installed at the second air inlet, second gas outlet is connected to hot air pipe, splitter cavity and confluence chamber are set at corresponding second air inlet of heat exchanger inner sidewall and the second gas outlet, second air inlet is connected to splitter cavity, second gas outlet connects Direct bank remittance service stream chamber, U-tube both ends are respectively communicated with splitter cavity and confluence chamber.Tea drier of the invention has the characteristics of thermal efficiency is high, and low energy consumption.
Description
Technical field
The invention belongs to tea processing field, and in particular to a kind of tea drier with waste-heat recovery device.
Background technique
Tea-drying mainly has the several ways such as metal conduction drying, heated-air drying, infra-red drying and microwave drying.Its
In, what is be most widely used is heated-air drying.Heated-air drying is based on air conduction, and heat transfer is fast, and temperture of leaves rise dry with other
Dry mode, which is compared, more to be mitigated.In drying process, hot wind is the main media of heat transfer and mass transfer, and the moisture in tealeaves is with flowing
Hot wind be discharged drying equipment together, achieve the purpose that tealeaves dry, the drying equipment of tealeaves is tea drier.Tealeaves
In dryer, residual heat resources can account for the 35%-50% of dry total energy consumption, these waste heats do not obtain adequately in process
It utilizes, greatly wastes the energy.Therefore, the waste gas residual heat discharged during tea-drying is recycled to dry for promoting tealeaves
The thermal efficiency of dry machine, reduction tea making cost have great significance.
Notification number is that the Chinese utility model of CN201718396U discloses a kind of residual heat exchanging chamber of tea drier, is wrapped
Cabinet has been included, the filter plate for opening up air-permeating hole is equipped in cabinet, the blower towards filter plate, the left side of cabinet are equipped on the right side of cabinet
Air inlet is offered, residual heat collection mouth is set below air inlet, residual heat collection mouth is connect with hot-blast stove, and cabinet is provided on lower end surface
Moisture outlet.Containing after wet exhaust gas eliminates some moisture by perforated filter plate in residual heat exchanging chamber after dry tealeaves returns to heat
In wind furnace, waste heat has been recycled.But the air humidity after heat exchange is still larger, is directly recovered in hot-blast stove for doing
Dry tealeaves has a certain impact for the quality of tealeaves.
Notification number is that the Chinese utility model of CN201919603U discloses a kind of circulating-air-type tea leaf dryer, utilizes gas
Liquid/gas separator removes the moisture in exhaust gas, the waste gas residual heat after recycling is dry.But, peace larger for the change of tea drier
Dress is inconvenient, and the temperature of exhaust gas is low after gas-liquid separator, and utility value is little.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of drying tea leaves with waste-heat recovery device
Machine, the tea drier have the characteristics of thermal efficiency is high, and low energy consumption.
To achieve the above object, the present invention adopts the following technical scheme:
The present invention provides a kind of tea drier with waste-heat recovery device, including baking oven and hot-blast stove, baking oven and
It is connected between hot-blast stove by heat conducting pipe, is provided with the first blower in hot-blast stove, is fixedly installed shell at the top of the baking oven
Formula heat exchanger, shell-and-tube exchanger are connected to hot-blast stove by hot air pipe.
Preferably, the baking oven is equipped with feeding-passage, and the inlet of feeding-passage is equipped with charging deck, the middle part of feeding-passage
Equipped with leaf-unifying wheel.
Preferably, the inner wall of the baking oven is coated with one layer of hydrophobic material.
Preferably, the bottom of the baking oven is provided with condensed water collecting device.
Preferably, the bottom of the baking oven is provided with tealeaves recyclable device.
Preferably, the baking oven is provided with driving motor, and driving motor drives leaf-unifying wheel and oven interior transmission system fortune
It is dynamic.
Preferably, the shell-and-tube exchanger includes shell and U-tube, and U-tube is located inside shell, and shell-and-tube heat is handed over
The bottom of parallel operation is equipped with the first air inlet, and the first air inlet is connected to the top of baking oven, and the top of shell-and-tube exchanger is equipped with
First gas outlet, is equipped with the second blower at the first gas outlet, and the side wall of shell-and-tube exchanger is equipped with the second air inlet and the
Two gas outlets are equipped with third blower at the second air inlet, and the second gas outlet is connected with hot air pipe, shell-and-tube exchanger
The position of corresponding second air inlet of inner sidewall and the second gas outlet is fixed with splitter cavity and confluence chamber, the second air inlet respectively
It is connected to splitter cavity, the second gas outlet is connected to confluence chamber, and the both ends of the U-tube are connected to splitter cavity and confluence chamber respectively.
Preferably, the splitter cavity, U-tube and confluence chamber are made of thin aluminum sheet.
Preferably, the splitter cavity, U-tube and confluence chamber outer surface are coated with one layer of anticorrosive coating.
Preferably, the U-tube at least 10 are staggered up and down each other.
The invention has the following beneficial effects:
The present invention is provided with heat exchanger at the top of the baking oven of tea drier and does in a heat exchanger to tealeaves
Being exchanged containing wet exhaust gas with the cold air progress heat in U-tube after dry, so that the air temperature in U-tube, which increases, becomes heat
Air, hot-air pass through hot air pipe again and enter in hot-blast stove, improve the initial heating temperature of hot-blast stove, to reduce fuel
Consumption.Since in whole process, cold air, containing wet exhaust gas and cold air without directly contacting, has been carried out in U-tube
Being expelled directly out containing wet exhaust gas after heat exchange, will not the humidity of cold air have an impact, cold air is heated to become wet after hot-air
Degree will not change, unfavorable so as to avoid generating due to the hot-air humidity for entering hot-blast stove is larger to the quality of tealeaves
Influence.The present invention is provided with multiple U-tubes by splitter cavity and confluence chamber, increases the area of atmospheric heat exchange, improves
Heat exchanger effectiveness is staggered up and down between U-tube, convenient to clean to the outer wall of U-tube.Splitter cavity of the invention, U
Shape pipe and confluence chamber outer surface are coated with one layer of anticorrosive coating, avoid and cause in hot and humid environment because of long-time
Surface corrosion.After oven interior temperature increases, damp-heat air encounters the relatively low baking oven inner wall of temperature, can condense into water
Drop, since baking oven inner wall is coated with one layer of hydrophobic material, therefore water droplet is without being adhered on inner wall, but can trickle along inner wall to
Baking oven bottom, and be discharged from condensed water collecting device, it avoids to cling tealeaves because water droplet is attached on inner wall in this way, make
There is the case where uneven heating in part tealeaves.
Detailed description of the invention
By reading referring to the following drawings, other features, purposes and advantages of the invention will become more apparent:
Fig. 1 is the structural schematic diagram of tea drier of the present invention；
Fig. 2 is the structural schematic diagram of present heat exchanger；
Fig. 3 is the left view of U-tube of the present invention；
Fig. 4 is the structural schematic diagram of splitter cavity of the present invention；
Fig. 5 is the structural schematic diagram of present invention confluence chamber.
In figure: 1- charging deck, 2- leaf-unifying wheel, 3- baking oven, 31- feeding-passage, 4- driving motor, 5- tealeaves recyclable device,
6- hot-blast stove, the first blower of 7-, 8- heat conducting pipe, 9- heat exchanger, 901- shell, the first air inlet of 902-, the first outlet of 903-
Mouth, the second blower of 904-, the second air inlet of 905-, 906- third blower, 907- splitter cavity, 908-U shape pipe, 909- confluence chamber,
The second gas outlet 910-, 10- hot air pipe, 11- condensed water collecting device.
Specific embodiment
Below with reference to being specifically illustrated to specific embodiment, embodiment is merely to illustrate the present invention rather than limitation originally
The range of invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Have ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.In addition, be such as related in the present invention " the
One ", the description of " second " etc. is used for description purposes only, and is not understood to indicate or imply its relative importance or implicit finger
The quantity of bright indicated technical characteristic." first " is defined as a result, the feature of " second " can explicitly or implicitly include
At least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless separately
There is clearly specific restriction.
A kind of tea drier with waste-heat recovery device, including baking oven 3 and hot-blast stove 6 are present embodiments provided, is dried
It is connected between case 3 and hot-blast stove 6 by heat conducting pipe 8, the first blower 7 is provided in hot-blast stove 6, the top of the baking oven 3 is fixed
It is provided with shell-and-tube exchanger 9, shell-and-tube exchanger 9 is connected to hot-blast stove 6 by hot air pipe 10.
Baking oven 3 described in the present embodiment is equipped with feeding-passage 31, and the inlet of feeding-passage 31 is equipped with charging deck 1, and charging is logical
The middle part in road 31 is equipped with leaf-unifying wheel 2.
The inner wall of baking oven 3 described in the present embodiment is coated with one layer of hydrophobic material.
The bottom of baking oven 3 described in the present embodiment is provided with condensed water collecting device 11.
The bottom of baking oven 3 described in the present embodiment is provided with tealeaves recyclable device 5.
Baking oven 3 described in the present embodiment is provided with driving motor 4, and driving motor 4 drives leaf-unifying wheel 2 and 3 internal drive of baking oven
System motion.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, shell-and-tube exchanger 9 described in the present embodiment includes shell 901 and U-tube
908, U-tube 908 is located inside shell 901, and the bottom of shell-and-tube exchanger 9 is equipped with the first air inlet 902, the first air inlet
902 are connected to the top of baking oven 3, and the top of shell-and-tube exchanger 9 is equipped with the first gas outlet 903, pacify at the first gas outlet 903
Equipped with the second blower 904, the side wall of shell-and-tube exchanger 9 is equipped with the second air inlet 905 and the second gas outlet 910, second into
Third blower 906 is installed at port 905, the second gas outlet 910 is connected with hot air pipe 10, shell-and-tube exchanger 9 it is interior
The position of corresponding second air inlet 905 of side wall and the second gas outlet 910 is fixed with splitter cavity 907 and confluence chamber 909 respectively,
Second air inlet 905 is connected to splitter cavity 907, and the second gas outlet 910 is connected to confluence chamber 909, the both ends of the U-tube 908
It is connected to respectively with splitter cavity 907 and confluence chamber 909.
Splitter cavity 907, U-tube 908 described in the present embodiment and confluence chamber 909 are made of thin aluminum sheet.
The present embodiment splitter cavity 907, U-tube 908 and confluence 909 outer surface of chamber coat one layer of anticorrosive coating.
As shown in Fig. 3, Fig. 4 and Fig. 5, U-tube 908 described in the present embodiment has 13, diameter 100mm, each other up and down
It is staggered.
The specific work process of the present embodiment is as follows: the first blower 7, which introduces external air into hot-blast stove 6, to heat up,
Hot-air after heating enters inside baking oven 3 through heat conducting pipe 8；Tealeaves to be dried is put into feeding-passage by charging deck 1
In 31, tealeaves can be uniformly dispersed by leaf-unifying wheel 2, and the tealeaves after dispersion enters baking oven 3 by transmission device, and the heat in baking oven 3 is empty
Tealeaves is dried in gas, and the tealeaves after drying recycles from tealeaves recyclable device 5.Second blower 904 will be right in baking oven 3
Tealeaves be dried after damp-heat air through in the first air inlet 902 sucking shell 901, third blower 906 is by cool ambient air
It is sucked in U-tube 908 through the second air inlet 905 and splitter cavity 907, after cold air and damp-heat air progress heat exchange, cold air
Heating becomes hot-air, and enters in hot air pipe 10 through confluence chamber 909 and the second gas outlet 910, finally leads to hot-blast stove 6,
Damp-heat air is then discharged directly from the first gas outlet 903.
Tea drier and tea drier of the invention without waste-heat recovery device are compared, in the tea of dry phase homogenous quantities
Ye Shi, consumed time and amount of wood, comparison type use certain enterprise 6CHZ-25 type tea drier, and tea quality is
35kg (Lu`an Guapian.Tea), the drying temperature of dryer are 100-110 DEG C.Measure data: (1) heating-up time: drying tea leaves
When machine is just started to work, the time of 110 DEG C of needs is risen to from 20 DEG C of room temperature；(2) consumable quantity: dry 90min total consumptive material
Amount；(3) first fans entrance air themperatures.The result of measurement is as shown in table 1 below:
Table 1
| Test item | The present embodiment tea drier | 6CHZ-25 type tea drier |
| Heating-up time (min) | 14 | 19 |
| Dry 90min consumable quantity (kg) | 26.3 | 34.1 |
| First fans entrance air themperature (DEG C) | 42 | 23 |
The data of table 1 show that the tea drier of the present embodiment compares 6CHZ-25 type tea drier, and the first blower enters
Mouth air themperature is significantly raised, this is because the second air inlet of shell-and-tube exchanger is located above dryer heat conducting pipe, and
The air in air and heat conducting pipe around heat conducting pipe has carried out heat exchange, so that the air themperature above heat conducting pipe increases, from
And the air temperature for entering shell-and-tube exchanger obtains a degree of promotion, after cold air enters shell-and-tube exchanger
Waste gas residual heat is absorbed again, and the temperature of shell-and-tube exchanger has reached 42 DEG C out, becomes hot-air, hot-air is through hot air pipe
It enters in hot-blast stove, improves the air themperature of the first fans entrance.The air themperature of first fans entrance increases, hot-blast stove
The interior atmosphere temperature rising time just shortens, therefore the amount of wood consumed is also reduced.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of tea drier with waste-heat recovery device, including baking oven (3) and hot-blast stove (6), baking oven (3) and hot-blast stove
(6) it is connected between by heat conducting pipe (8), is provided with the first blower (7) in hot-blast stove (6), it is characterised in that: the baking oven (3)
Top be fixedly installed shell-and-tube exchanger (9), shell-and-tube exchanger (9) by hot air pipe (10) be connected to hot-blast stove
(6)。
2. a kind of tea drier with waste-heat recovery device according to claim 1, it is characterised in that: the baking oven
(3) feeding-passage (31) are equipped with, the inlet of feeding-passage (31) is equipped with charging deck (1), and the middle part of feeding-passage (31) is equipped with
Leaf-unifying wheel (2).
3. a kind of tea drier with waste-heat recovery device according to claim 1, it is characterised in that: the baking oven
(3) inner wall is coated with one layer of hydrophobic material.
4. a kind of tea drier with waste-heat recovery device according to claim 1, it is characterised in that: the baking oven
(3) bottom is provided with condensed water collecting device (11).
5. a kind of tea drier with waste-heat recovery device according to claim 1, it is characterised in that: the baking oven
(3) bottom is provided with tealeaves recyclable device (5).
6. a kind of tea drier with waste-heat recovery device according to claim 1, it is characterised in that: the baking oven
(3) it is provided with driving motor (4), driving motor (4) drives leaf-unifying wheel (2) and the movement of baking oven (3) internal drive system.
7. a kind of tea drier with waste-heat recovery device according to claim 1, it is characterised in that: the shell
Formula heat exchanger (9) includes shell (901) and U-tube (908), and U-tube (908) is located at shell (901) inside, and shell-and-tube heat is handed over
The bottom of parallel operation (9) is equipped with the first air inlet (902), and the first air inlet (902) is connected to the top of baking oven (3), shell-and-tube heat
The top of exchanger (9) is equipped with the first gas outlet (903), is equipped with the second blower (904), shell at the first gas outlet (903)
The side wall of formula heat exchanger (9) is equipped with the second air inlet (905) and the second gas outlet (910), installs at the second air inlet (905)
Have third blower (906), the second gas outlet (910) are connected with hot air pipe (10), the inner sidewall phase of shell-and-tube exchanger (9)
The position of corresponding second air inlet (905) and the second gas outlet (910) is fixed with splitter cavity (907) and confluence chamber respectively
(909), the second air inlet (905) is connected to splitter cavity (907), and the second gas outlet (910) are connected to confluence chamber (909), the U
The both ends of shape pipe (908) are connected to splitter cavity (907) and confluence chamber (909) respectively.
8. a kind of tea drier with waste-heat recovery device according to claim 7, it is characterised in that: the shunting
Chamber (907), U-tube (908) and confluence chamber (909) are made of thin aluminum sheet.
9. a kind of tea drier with waste-heat recovery device according to claim 7, it is characterised in that: the shunting
Chamber (907), U-tube (908) and confluence chamber (909) outer surface are coated with one layer of anticorrosive coating.
10. a kind of tea drier with waste-heat recovery device according to claim 7, it is characterised in that: the U-shaped
It manages (908) at least 10, is staggered up and down each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229111.4A CN109221480A (en) | 2018-10-22 | 2018-10-22 | A kind of tea drier with waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229111.4A CN109221480A (en) | 2018-10-22 | 2018-10-22 | A kind of tea drier with waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109221480A true CN109221480A (en) | 2019-01-18 |
Family
ID=65081077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811229111.4A Withdrawn CN109221480A (en) | 2018-10-22 | 2018-10-22 | A kind of tea drier with waste-heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109221480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256435A (en) * | 2020-02-09 | 2020-06-09 | 周倩倩 | Tealeaves waste heat recovery processing production dewatering device |
-
2018
- 2018-10-22 CN CN201811229111.4A patent/CN109221480A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256435A (en) * | 2020-02-09 | 2020-06-09 | 周倩倩 | Tealeaves waste heat recovery processing production dewatering device |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |
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| WW01 | Invention patent application withdrawn after publication |