CN207639596U - Fruit and vegetable drying machine flame extends cooling system - Google Patents
Fruit and vegetable drying machine flame extends cooling system Download PDFInfo
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- CN207639596U CN207639596U CN201721245505.XU CN201721245505U CN207639596U CN 207639596 U CN207639596 U CN 207639596U CN 201721245505 U CN201721245505 U CN 201721245505U CN 207639596 U CN207639596 U CN 207639596U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The utility model discloses a kind of fruit and vegetable drying machine flame extension cooling system, including combustor and radiator body, radiator body is equipped with flame injection entrance and tail gas outlet, it further include airflow speed increasing component, the heat outlet of the combustor is connected with flame injection entrance, the airflow speed increasing component is connected with the combustor, or is connected with the radiator body.Using the utility model has the beneficial effects that, it can speed up combustor fuel combustion, and extending combustion flame makes it be ejected into radiator body, to make hot gas more sufficiently uniformly flow through the heat exchange position of radiator, improves heat exchanger effectiveness and improves the uniformity of heat distribution.
Description
Technical field
The utility model is related to a kind of agricultural and food drying equipment components, and in particular to a kind of fruit and vegetable drying machine flame prolongs
Long cooling system.
Background technology
It is preserved in fresh food and processing industry, water fruits and vegetables, medicinal material, tealeaves, tobacco etc. often needs to use drying and set
It is standby to carry out dewatered drying processing.Drying equipment using the hot gas of fuel combustion as heat exchange medium, in the unit interval
Heat deliverability, heat exchanger effectiveness and homogeneous heating degree etc. have been largely fixed the drying effect of dryer.Heat supplies
Should be able to power be decided by the power of combustion chamber, thus preferably select high-power combustion engine in conditions permit, heat exchanger effectiveness and plus
The hot uniformity then depends on the structure design of radiator.In general, when entering radiator due to the hot gas of combustion chamber, temperature compared with
Height, in flow channel from the inlet to the outlet, gas temperature continuously decreases, thus the heat flow density bigger in entrance region,
And exit is smaller, can cause to heat so uneven, while also influencing heat exchanger effectiveness.
Therefore, it is necessary to rationally design so that the hot gas after fuel combustion enters the heat exchange of radiator as homogeneously as possible
Structural member part, to improve heating uniformity and heat exchanger effectiveness.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of fruit and vegetable drying machine flame extension cooling system.
Technical solution is as follows：
A kind of fruit and vegetable drying machine flame extends cooling system, including combustor and radiator body, is set on radiator body
There are flame injection entrance and tail gas outlet, it is critical that further including airflow speed increasing component, the heat outlet of the combustor
Be connected with flame injection entrance, the airflow speed increasing component or be connected with the combustor, or with the radiator body
It is connected.Using the above design, it the advantage is that by increasing airflow speed increasing component, the flame in combustor can be passed through flame
Injection entrance extends in radiator, and due to flame temperature higher, the flame after extension can be by hot gas after burning more fully
The heat exchange position for entering radiator evenly, to improve heat exchanger effectiveness and improve the uniformity of heat distribution.
As optimal technical scheme, said flow speedup component includes air blower and air blast conduit, the air of the air blower
Outlet end connects the air blast conduit, which is connected with combustor, the central axes of the outlet end section of the air blast conduit
The axis of the end cross-sectional of entrance is sprayed with the flame on the same line.Using the above design, air blower the advantage is that
Air acceleration is pumped into combustor by air blast conduit, on the one hand can speed up burning, on the other hand, flame is under airflow function
Be ejected into radiator, to improve hot gas radiator each section uniformity.
As optimal technical scheme, said flow speedup component is exhaust fan, and exhaust fan setting is discharged in the tail gas
The end of mouth, which is connected with the tail gas outlet.Using the above design, exhaust fan the advantage is that
Gas pressure difference can be formed at the entrance and exit of radiator, indoor flame can be spurted by flame to burn
Mouthful extend in radiator, due to flame temperature higher, flame after extension can by hot gas after burning more sufficiently uniformly into
Enter the heat exchange position of radiator.
As optimal technical scheme, said flow speedup component is exhaust fan, which is arranged in the combustor
The flame of flame jet blower and the radiator body sprays between entrance.Using the above design, it the advantage is that and pass through to be formed
Draught head in combustor and radiator extends flame and is allowed to be ejected into radiator, to improve hot gas in each portion of radiator
The uniformity divided.
As optimal technical scheme, above-mentioned radiator body includes hot gas ingress pipe, heat-radiation branch pipe and tail gas runner, described
The entrance of hot gas ingress pipe is provided with the flame injection entrance, and the heat-radiation branch pipe is at least 2, and the heat-radiation branch pipe surrounds
The hot gas ingress pipe diverging distribution, the arrival end of the heat-radiation branch pipe are connected to the hot gas ingress pipe, the heat-radiation branch pipe
Outlet end be connected to the tail gas runner.Using the above design, it the advantage is that heat-radiation branch pipe diverging distribution can improve list
The density of heat-dissipating pipe in bit space, and the heat of radiator is made spatially to be evenly distributed.
As optimal technical scheme, above-mentioned radiator body further includes gas collecting tube, and M are provided on the hot gas ingress pipe
Heat-radiation branch pipe group, M is positive integer and M >=2, the M heat-radiation branch pipe groups are distributed around the hot gas ingress pipe, each described to dissipate
Hot leg pipe group includes N number of heat-radiation branch pipe, and N is positive integer, and the arrival end of the heat-radiation branch pipe is connected to the hot gas ingress pipe, institute
The outlet end for stating heat-radiation branch pipe is connected to the gas collecting tube, and the outlet end of the gas collecting tube is connected to the tail gas runner.Use with
Upper design the advantage is that the heat-radiation branch pipe packet layout, can increase heat exchange by way of reducing heat-dissipating pipe caliber
Area, and heat-radiation branch pipe of spatially flexibly arranging according to actual needs, then exhaust collection is discharged by collecting neat pipe.
As optimal technical scheme, above-mentioned hot gas ingress pipe is straight catheter, and the heat-radiation branch pipe is straight catheter, same institute
N number of heat-radiation branch pipe of heat-radiation branch pipe group is stated along the axial arranging of the hot gas ingress pipe, the same heat-radiation branch pipe group
N number of heat-radiation branch pipe axis in the same plane.Using the above design, it the advantage is that and improve radiator heat exchange department
The terseness of part space structure and the convenience of connection.
As optimal technical scheme, 4 heat-radiation branch pipe groups, 4 heat dissipations are provided on above-mentioned hot gas ingress pipe
Branch pipe group is distributed around the axis of the hot gas ingress pipe in X-shaped, and the heat-radiation branch pipe is radially set along the hot gas ingress pipe
It sets.Using the above design, the heat-exchanging part that radiator is uniformly distributed in spatial dimension the advantage is that so that heat is distributed
Uniformly.
As optimal technical scheme, the outlet end of N number of heat-radiation branch pipe in the same heat-radiation branch pipe group is connected to
On same root gas collecting tube, the outlet end of four gas collecting tubes is connected with tail gas delivery line.Using the above design, the advantage is that
Each heat-radiation branch pipe in same heat-radiation branch pipe group is since the hot gas inlet port apart from hot gas ingress pipe is more and more remoter, exit
The temperature of eluting gas continuously decreases, and the gas flowed out out of heat-radiation branch pipe can be further increased by being connected to the same neat pipe of collection
Heat exchange, while simplifying the structure design of tail gas discharge part.
As optimal technical scheme, above-mentioned hot gas ingress pipe is horizontally disposed, the gas collection above the hot gas ingress pipe
The outlet end of pipe is connected separately with a transfer tube straight down, and the lower end of the transfer tube is connected to it and is located at the hot gas
On side wall of the ingress pipe with the outlet end of the gas collecting tube of side-lower, the outlet of the lower end of the transfer tube and the gas collecting tube
End forms river conjunction, and the river conjunction is connected with the tail gas delivery line.Using the above design, its advantage is that, due to hot gas
Gas temperature may be than gas temperature higher in the heat-radiation branch pipe of lower section, by it by collecting neat in heat-radiation branch pipe above ingress pipe
Pipe and transfer tube are exported to lower section collection manages together, gas heat can be made further to exchange, is then then exhausted from, and reduces thermal loss.
As optimal technical scheme, radiating fin is equipped on the outside of the tube wall of above-mentioned heat-radiation branch pipe.It is excellent using the above design
Point is that the thermal conduction rate of heat-radiation branch pipe can be increased substantially, to improve radiating efficiency.
Advantageous effect：Using the utility model has the beneficial effects that can speed up combustor fuel combustion, and extend combustion
The flame that makes a fire makes it be ejected into radiator body, to make hot gas more sufficiently uniformly enter the heat exchange position of radiator, carries
High heat exchanger effectiveness and the uniformity for improving heat distribution.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Fig. 3 is the structural schematic diagram of the utility model embodiment 3；
Fig. 4 is the left view of radiator body in Fig. 1 or Fig. 2 or Fig. 3.
Specific implementation mode
With reference to embodiment and attached drawing, the utility model is described in further detail.
Embodiment 1：
As shown in Figure 1 and Figure 4, a kind of fruit and vegetable drying machine flame extends cooling system, including combustor 1 and radiator body
2, it further includes airflow speed increasing component 3, institute that radiator body 2, which is equipped with flame injection entrance and tail gas outlet, the drying equipment,
State combustor 1 heat outlet and the flame injection entrance be connected, the airflow speed increasing component 3 or with 1 phase of the combustor
Even, or it is connected with the radiator body 2.
The airflow speed increasing component 3 includes air blower 3a and air blast conduit 3b, and the air outlet slit end of air blower 3a connects
The air blast conduit 3b, the air blast conduit 3b are connected with the combustor 1, the central axes of the outlet end section of air blast conduit 3a
The axis of the end cross-sectional of entrance is sprayed with the flame on the same line.
The radiator body 2 includes hot gas ingress pipe 2a, heat-radiation branch pipe 2b and tail gas runner, the hot gas ingress pipe 2a
Entrance be provided with flame injection entrance, the heat-radiation branch pipe 2b is at least 2, and the heat-radiation branch pipe 2b surrounds the heat
The 2a diverging distributions of gas ingress pipe, the arrival end of the heat-radiation branch pipe 2b are connected to the hot gas ingress pipe 2a, the heat-radiation branch pipe
The outlet end of 2b is connected to the tail gas runner.
The radiator body 2 further includes gas collecting tube 2c, and the M heat-radiation branch pipes are provided on the hot gas ingress pipe 2a
Group, M is positive integer and M >=2, the M heat-radiation branch pipe groups are distributed around the hot gas ingress pipe 2a, each heat-radiation branch pipe
Group includes N number of heat-radiation branch pipe 2b, and N is positive integer, and the arrival end of the heat-radiation branch pipe 2b is connected to the hot gas ingress pipe 2a, institute
The outlet end for stating heat-radiation branch pipe 2b is connected to the gas collecting tube 2c, and the outlet end of gas collecting tube 2c is connected to the tail gas runner.
The hot gas ingress pipe 2a is straight catheter, and the heat-radiation branch pipe 2b is straight catheter, the same heat-radiation branch pipe group
N number of heat-radiation branch pipe along the hot gas ingress pipe 2a axial arranging, the same heat-radiation branch pipe group it is N number of it is described dissipate
The axis of hot leg pipe 2b is in the same plane.
In the present embodiment, 4 heat-radiation branch pipe groups, 4 heat-radiation branch pipes are provided on the hot gas ingress pipe 2a
Group is distributed around the axis of the hot gas ingress pipe 2a in X-shaped, and the heat-radiation branch pipe 2b is along hot gas ingress pipe 2a radial directions
Setting；The outlet end of N number of heat-radiation branch pipe 2b in the same heat-radiation branch pipe group is connected on same root gas collecting tube 2c, institute
It is horizontally disposed to state hot gas ingress pipe 2a, the outlet end of the gas collecting tube 2c above the hot gas ingress pipe 2a is connected separately with one
The lower end of the transfer tube 2e, the transfer tube 2e of root straight down are connected to it and are located at the hot gas ingress pipe 2a with side-lower
On the side wall of the outlet end of the gas collecting tube 2c, the outlet end of the lower end of the transfer tube 2e and the gas collecting tube 2c, which are formed, to cross
Mouthful, the river conjunction is connected with the tail gas delivery line 2d.
To reinforce heat dissipation effect, is wrapped on the outside of the tube wall of the heat-radiation branch pipe and radiating fin 2f is installed.
In use, running the air blower 3a, high-speed air air-flow imports the combustor 1 by the air blast conduit 3b
It is interior, it blows flame and is sprayed into the hot gas ingress pipe 2a, can both reinforce fuel combustion in this way, while flame can spray as far as possible
The right part of hot gas ingress pipe 2a described in directive, to which the hot gas after burning is more uniformly distributed all heat-radiation branch pipe 2b
It is interior, enable to the hot stream temperature in all heat-radiation branch pipe 2b close, to reinforce heat dissipation uniformity.
Embodiment 2：
As shown in Fig. 2, as optimal technical scheme, the present embodiment replaces with airflow speed increasing component 3 described in embodiment 1
Exhaust fan, the exhaust fan are arranged in the end of the tail gas outlet, and air intlet end and the tail gas of the exhaust fan are discharged
Mouth is connected.
Embodiment 3：
As shown in figure 3, as optimal technical scheme, the present embodiment replaces with airflow speed increasing component 3 described in embodiment 1
Exhaust fan, the exhaust fan be arranged flame jet blower in the combustor and the radiator body flame injection entrance it
Between.In use, running the exhaust fan so that the air pressure in the radiator body 2 is less than outside air pressure, in atmospheric pressure
Under effect, high-speed air air-flow enters in the combustor 1, blows flame and is sprayed into the hot gas ingress pipe 2a, so both
It can reinforce fuel combustion, also make flame that can spray the right part to the hot gas ingress pipe 2a as far as possible, after burning
Hot gas more uniform flows each heat-radiation branch pipe 2b, to reinforce heat dissipation uniformity.
Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field
Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make
Expression, such transformation are each fallen within the scope of protection of the utility model as multiple types.
Claims (10)
1. a kind of fruit and vegetable drying machine flame extends cooling system, including combustor (1) and radiator body (2), the radiator sheet
Body (2) is equipped with flame injection entrance and tail gas outlet, it is characterised in that：Further include airflow speed increasing component (3), the burning
The flame jet blower of machine (1) and the flame injection entrance are connected, the airflow speed increasing component (3) or with the combustor (1)
It is connected, or is connected with the radiator body (2).
2. fruit and vegetable drying machine flame according to claim 1 extends cooling system, it is characterised in that：The airflow speed increasing group
Part (3) includes air blower (3a) and air blast conduit (3b), and the air outlet slit end of the air blower (3a) connects the air blast conduit
(3b), the air blast conduit (3b) are connected with the air inlet of the combustor (1).
3. fruit and vegetable drying machine flame according to claim 1 extends cooling system, it is characterised in that：The airflow speed increasing group
Part (3) is exhaust fan, which is arranged at the tail gas outlet, and air intlet end and the tail gas of the exhaust fan are arranged
Outlet is connected.
4. fruit and vegetable drying machine flame according to claim 1 extends cooling system, it is characterised in that：The airflow speed increasing group
Part (3) is exhaust fan, which is arranged the fire in the flame jet blower and the radiator body (2) of the combustor (1)
Flame sprays between entrance.
5. the fruit and vegetable drying machine flame according to Claims 2 or 3 or 4 extends cooling system, it is characterised in that：The heat dissipation
Device ontology (2) includes hot gas ingress pipe (2a), heat-radiation branch pipe (2b) and tail gas runner, and the entrance of the hot gas ingress pipe (2a) is set
It is equipped with the flame injection entrance, the heat-radiation branch pipe (2b) is at least 2, and the heat-radiation branch pipe (2b) is led around the hot gas
Enter pipe (2a) diverging distribution, the arrival end of the heat-radiation branch pipe (2b) is connected to the hot gas ingress pipe (2a), the heat dissipation branch
The outlet end of pipe (2b) is connected to the tail gas runner.
6. fruit and vegetable drying machine flame according to claim 5 extends cooling system, it is characterised in that：The radiator body
(2) further include gas collecting tube (2c), M heat-radiation branch pipe group is provided on the hot gas ingress pipe (2a), M is positive integer and M >=2, M
A heat-radiation branch pipe group is distributed around the hot gas ingress pipe (2a), and each heat-radiation branch pipe group includes N number of heat-radiation branch pipe
(2b), N are positive integer, and the arrival end of the heat-radiation branch pipe (2b) is connected to the hot gas ingress pipe (2a), the heat-radiation branch pipe
The outlet end of (2b) is connected to the gas collecting tube (2c), and the outlet end of the gas collecting tube (2c) is connected to the tail gas runner.
7. fruit and vegetable drying machine flame according to claim 6 extends cooling system, it is characterised in that：The hot gas ingress pipe
(2a) and the heat-radiation branch pipe (2b) are straight catheter, and N number of heat-radiation branch pipe of the same heat-radiation branch pipe group is along described
The axial arranging of hot gas ingress pipe (2a), the axis of N number of heat-radiation branch pipe (2b) of the same heat-radiation branch pipe group is same
In plane.
8. fruit and vegetable drying machine flame according to claim 7 extends cooling system, it is characterised in that：The hot gas ingress pipe
4 heat-radiation branch pipe groups are provided on (2a), 4 heat-radiation branch pipe groups are in around the axis of the hot gas ingress pipe (2a)
X-shaped is distributed, and the heat-radiation branch pipe (2b) is radially arranged along the hot gas ingress pipe (2a).
9. fruit and vegetable drying machine flame according to claim 8 extends cooling system, it is characterised in that：The same heat dissipation branch
The outlet end of N number of heat-radiation branch pipe (2b) in pipe group is connected on same root gas collecting tube (2c), 4 gas collecting tubes (2c)
Outlet end be connected with tail gas delivery line (2d).
10. fruit and vegetable drying machine flame according to claim 9 extends cooling system, it is characterised in that：The hot gas imports
It manages (2a) to be horizontally disposed with, the outlet end of the gas collecting tube (2c) above the hot gas ingress pipe (2a) is connected separately with one and erects
Straight downward transfer tube (2e), the lower end of the transfer tube (2e) is connected to it and is located at the same side-lower of the hot gas ingress pipe (2a)
The gas collecting tube (2c) outlet end side wall on, the outlet end of the lower end and the gas collecting tube (2c) of the transfer tube (2e)
River conjunction is formed, the river conjunction is connected with the tail gas delivery line (2d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245505.XU CN207639596U (en) | 2017-09-26 | 2017-09-26 | Fruit and vegetable drying machine flame extends cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245505.XU CN207639596U (en) | 2017-09-26 | 2017-09-26 | Fruit and vegetable drying machine flame extends cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207639596U true CN207639596U (en) | 2018-07-24 |
Family
ID=62882959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721245505.XU Active CN207639596U (en) | 2017-09-26 | 2017-09-26 | Fruit and vegetable drying machine flame extends cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207639596U (en) |
-
2017
- 2017-09-26 CN CN201721245505.XU patent/CN207639596U/en active Active
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