CN208817713U - A kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans - Google Patents
A kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans Download PDFInfo
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- CN208817713U CN208817713U CN201821204520.4U CN201821204520U CN208817713U CN 208817713 U CN208817713 U CN 208817713U CN 201821204520 U CN201821204520 U CN 201821204520U CN 208817713 U CN208817713 U CN 208817713U
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- blower fan
- exchange system
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Abstract
The utility model discloses a kind of direct-fired warm-air drier combustion heat-exchange system structures of double positive pressure fans, including heat exchange blower fan, combuster is set at the air outlet of heat exchange blower fan, combustion heat exchanger is provided in combustion chamber, the side of combustion chamber is provided with through-hole, combustion cup is provided in the through-hole, forced draft component is provided on the outside of the combustion cup, combustion air fan is provided on the upside of the forced draft component, the utility model is by using positive laminated structure, heat exchange blower fan is mounted on before combustion system, it avoids combustion heat-exchange system and is in the condition of high temperature for a long time, prevent corrosion of the high temperature to combustion heat-exchange system structure, damage, improve the heat exchange efficiency of combustion heat-exchange system, heat exchange blower fan is in front of combustion system, it is not at heat exchange blower fan in hot environment, improve the stability of structure；Combustion air fan supplies oxygen ignition, makes combustion gas full combustion, greatly reduces the generation of CO gas, improves safety.
Description
Technical field
The utility model relates to a kind of warm-air drier, especially a kind of direct-fired warm-air drier combustion heat-exchange system structure.
Background technique
Direct-fired gas warm-air machine is generally used for the heat preserving and supplying of farm, such as chicken farm, currently on the market this
The combustion heat-exchange system structure of kind direct-fired gas warm-air machine is all negative pressure structure, i.e. assembling behind combustion system,
Heat after burning, which is released, send hot wind to go out, since the temperature rise of hot wind is in 85 DEG C or so (thermic load 50kW equipment), i.e. vacation
If room temperature is 20 DEG C, the temperature of that hot wind is 105 DEG C, is run in the environment of this high temperature for a long time, to the combustion heat-exchange of warm-air drier
The damage of system structure is larger, and the requirement to motor in blower is very high, and stability is also difficult to ensure.
In addition, the igniting chamber in combustion system generally compares closing, in ignition, due to for hypoxgia, one side
Fuel gas buring is insufficient, waste of energy, increases cost；On the other hand a large amount of CO gas can be generated, it is dangerous.
Summary of the invention
For overcome the deficiencies in the prior art, the utility model provides double positive pressures that a kind of heat exchange efficiency is good, highly-safe
The direct-fired warm-air drier combustion heat-exchange system structure of blower.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans, including heat exchange blower fan, the heat exchange blower fan
Air outlet at combuster is set, combustion heat exchanger, the side of the combustion chamber and the combustion are provided in the combustion chamber
It burns heat exchanger corresponding position and is provided with through-hole, combustion cup is provided in the through-hole, is provided with positive pressure on the outside of the combustion cup
Air-supply assembly is provided with combustion air fan on the upside of the forced draft component.
The forced draft component includes air-supply box body, combustion gas tube inlet, is provided with sealing on the combustion gas tube inlet
Cushion rubber, the combustion air fan are mounted on the top of the air-supply box body.
Air baffle is provided in the air-supply box body, the air baffle is oblique toward the fuel gas conduit Way in
It is down-set.
Wind pressure sampler and hyperthermia and superheating protector are provided on the upside of the combustion chamber, the wind pressure sampler is close to institute
State the air outlet of heat exchange blower fan, air outlet of the hyperthermia and superheating protector close to the combustion chamber.
Several heat release holes are provided on the combustion heat exchanger.
The beneficial effects of the utility model are: the utility model is mounted on combustion by using positive laminated structure, by heat exchange blower fan
Before burning system, cold wind is blown to heat exchange in combustion system and forms warm wind blowout by heat exchange blower fan, avoids combustion heat-exchange system
It is in the condition of high temperature for a long time, prevents high temperature from damaging to the burn into of combustion heat-exchange system structure, improves combustion heat-exchange system
Heat exchange efficiency, heat exchange blower fan are in front of combustion system, are not at heat exchange blower fan in hot environment, are improved the steady of structure
It is qualitative；Combustion air fan supplies oxygen ignition, makes combustion gas full combustion, greatly reduces the generation of CO gas,
Improve safety.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial structural diagram of the utility model；
Fig. 3 is the structural schematic diagram of forced draft component.
Specific embodiment
Referring to figs. 1 to Fig. 3, a kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans, including heat exchange blower fan
1, the heat exchange blower fan 1 is the prior art, and combuster 2, the heat exchange blower fan 1 is arranged at the air outlet of the heat exchange blower fan 1
It is fixedly connected with the combustion chamber 2 by welding or screw, is preferentially fixedly connected using screw, it is easy to disassemble；The burning
Combustion heat exchanger 3 is provided in room 2, the combustion heat exchanger 3 uses screw or the inside for being weldingly fixed on the combustion chamber 2
Wall, the side of the combustion chamber 2 and 3 corresponding position of combustion heat exchanger are provided with through-hole 4, are provided with combustion in the through-hole 4
Beaker 5, the combustion cup 5 passes through fixed bracket and the combustion chamber 2 is fixed, fixed bracket one end screw and the combustion
It burns room 2 to be connected and fixed, the other end is screwed on the combustion cup 5, and the combustion cup 5 is inserted into institute by the through-hole 4
It states in combustion heat exchanger 3,70mm or so in the combustion heat exchanger 3 is protruded into described 5 one end of combustion cup, and the other end is in the burning
The outside of room 2, the outside of the combustion cup 5 are provided with forced draft component, and the forced draft component passes through screw or weldering
Connect the outside for being fixedly connected on the combustion chamber 2, lateral wall one point of formation of the forced draft component and the combustion chamber 2
Fiery chamber, the combustion cup 5 the combustion chamber 2 lateral ends in the fire chamber, the forced draft component
Upside is provided with combustion air fan 6 (combustion air fan 6 is the prior art), and combustion air fan supplies oxygen fire chamber, fills combustion gas
Divided combustion greatly reduces the generation of CO gas, improves safety.
The forced draft component includes air-supply box body 7, combustion gas tube inlet 8, is provided on the combustion gas tube inlet 8 close
Sealing rubber ring 9, the sealing rubber ring 9 are let out after combustion gas enters in the fire chamber further through the combustion gas tube inlet 8 in order to prevent
Leakage, plays the role of sealing；The combustion air fan 6 is mounted on the air-supply box body 7 by way of screw or welding
The top at top, the air-supply box body 7 is provided with the air inlet being adapted with 6 air outlet of combustion air fan, to igniting chamber
Room is supplied oxygen.
It is provided with air baffle 10 in the air-supply box body 7, the air baffle 10 is toward the combustion gas tube inlet 8
Direction is arranged obliquely, and the air baffle 10 is fixed by screws on the air-supply box body 7, the air baffle
10 in order to avoid from the nozzle that the air that the combustion air fan 6 is introduced is directly blown on combustion gas pipe connections, combustion gas does not have
It premixes in combustion cup and is just blown away.
The upside of the combustion chamber 2 is provided with wind pressure sampler 11 and hyperthermia and superheating protector 12, the wind pressure sampler
11 close to the heat exchange blower fan 1 air outlet, the hyperthermia and superheating protector 12 close to the combustion chamber 2 air outlet, it is described
Wind pressure sampler 11 is that the wind pressure pressure generated when rotating blower sends blast switch to, to judge whether blower is normally transported
Row, it is to prevent heat exchange blower fan 1 from abnormal revolving speed occur that the high-temperature protector 12, which is mounted on the front upper place of the combustion heat exchanger 3,
It is slack-off, it when heat exchange is insufficient, will disconnect control circuit, allow burning to stop, playing safety protection function.
Several heat release holes 13 are provided on the combustion heat exchanger 3, the combustion cup 5 injects flames into the combustion heat-exchange
Device 3 burns, relative closure in the combustion heat exchanger 3, and it is toxic for hypoxgia to generate CO gas etc. when burning
Gas, the heat exchange blower fan 1 can be blown over the partial air come and introduced in the combustion heat exchanger 3 by the heat release hole 15, right
Burning is supplied oxygen, and makes combustion gas full combustion, the heat of the combustion heat exchanger 3 can also give out by the heat release hole 15
It goes, improves heat exchange efficiency.
The beneficial effects of the utility model are: the utility model is mounted on combustion by using positive laminated structure, by heat exchange blower fan
Before burning system, cold wind is blown to heat exchange in combustion system and forms warm wind blowout by heat exchange blower fan, avoids combustion heat-exchange system
It is in the condition of high temperature for a long time, prevents high temperature from damaging to the burn into of combustion heat-exchange system structure, improves combustion heat-exchange system
Heat exchange efficiency, heat exchange blower fan are in front of combustion system, are not at heat exchange blower fan in hot environment, are improved the steady of structure
It is qualitative；Combustion air fan supplies oxygen ignition, makes combustion gas full combustion, greatly reduces the generation of CO gas,
Improve safety.
Above embodiment cannot limit the protection scope of the invention, and the personnel of professional skill field are not departing from
In the case where the invention general idea, the impartial modification and variation done still fall within the range that the invention is covered
Within.
Claims (5)
1. a kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans, it is characterised in that it includes heat exchange blower fan (1),
Combuster (2) are set at the air outlet of the heat exchange blower fan (1), are provided with combustion heat exchanger (3) in the combustion chamber (2),
The side of the combustion chamber (2) and the combustion heat exchanger (3) corresponding position are provided with through-hole (4), setting in the through-hole (4)
Have combustion cup (5), forced draft component, the upside setting of the forced draft component are provided on the outside of the combustion cup (5)
There are combustion air fan (6).
2. the direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans according to claim 1, it is characterised in that institute
Stating forced draft component includes air-supply box body (7), combustion gas tube inlet (8), is provided with sealant on the combustion gas tube inlet (8)
It encloses (9), the combustion air fan (6) is mounted on the top of air-supply box body (7).
3. the direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans according to claim 2, it is characterised in that institute
It states and is provided with air baffle (10) in air-supply box body (7), the air baffle (10) is square toward the combustion gas tube inlet (8)
To being arranged obliquely.
4. the direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans according to claim 1, it is characterised in that institute
It states and is provided with wind pressure sampler (11) and hyperthermia and superheating protector (12) on the upside of combustion chamber (2), the wind pressure sampler (11)
Air outlet close to the heat exchange blower fan (1), air outlet of the hyperthermia and superheating protector (12) close to the combustion chamber (2).
5. the direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans according to claim 1, it is characterised in that institute
It states and is provided with several heat release holes (13) on combustion heat exchanger (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821204520.4U CN208817713U (en) | 2018-07-27 | 2018-07-27 | A kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821204520.4U CN208817713U (en) | 2018-07-27 | 2018-07-27 | A kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208817713U true CN208817713U (en) | 2019-05-03 |
Family
ID=66271774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821204520.4U Active CN208817713U (en) | 2018-07-27 | 2018-07-27 | A kind of direct-fired warm-air drier combustion heat-exchange system structure of double positive pressure fans |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208817713U (en) |
-
2018
- 2018-07-27 CN CN201821204520.4U patent/CN208817713U/en active Active
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