CN204063554U - A kind of hot air generator - Google Patents
A kind of hot air generator Download PDFInfo
- Publication number
- CN204063554U CN204063554U CN201420458744.3U CN201420458744U CN204063554U CN 204063554 U CN204063554 U CN 204063554U CN 201420458744 U CN201420458744 U CN 201420458744U CN 204063554 U CN204063554 U CN 204063554U
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- CN
- China
- Prior art keywords
- air
- heater
- flue
- hot
- air holes
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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.)
- Expired - Fee Related
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- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The utility model relates to a kind of hot air generator, comprise body of heater and the flue being arranged on furnace interior, described flue inside is combustion chamber, formed between described flue and body of heater and press from both sides room, it is characterized in that: described body of heater is provided with the burner spraying into flame to described combustion chamber, described flue perisporium offers the air holes being communicated with described combustion chamber and described folder room, described body of heater perisporium is provided with the air channel of being drawn by hot blast indoor for described folder, and described air holes at least comprises first air holes relative with the entrance in described air channel.The heat that burning produces by this hot air generator is that medium directly extracts formation hot blast out with air, improves the heat utilization efficiency of burning, is conducive to reducing burning cost, and structure is simple, is convenient to commercial introduction application.
Description
Technical field
The utility model relates to a kind of device utilizing burning to produce hot blast.
Background technology
The mode that tradition obtains hot blast mainly relies on steam boiler to burn, the operation principle of steam boiler is firing equipment (burner) release heat, first by radiant heat transfer by water wall absorption, the a large amount of steam of water boiling vaporization generation of water-cooling wall enters drum and carries out carbonated drink separation, isolated saturated vapor enters superheater, pass through radiation, convection type continues to absorb roof of the furnace and horizontal flue, the operating temperature that the flue gas heat of back-end ductwork makes superheated steam reach required, steam boiler can be divided into electric steam boiler according to fuel, oil-fired steam boiler and gas-steam boiler.Textile mills, clothing factory and dry-cleaning factory etc. are needed to the factory of a large amount of hot blast, in order to adapt to work continuously, boiler in factory is almost Year-round Operation, fuel consumption is larger, particularly adopt the fuel such as liquefied gas to carry out the boiler heated, boiler combustion spending is monthly very huge, and the mode adopting steam heat-exchanging to manufacture hot blast can cause a certain amount of heat loss, the thermal efficiency is on the low side, and these all cause the defect that enterprise's production cost is higher.For the problems referred to above, looking for cost is lower or the thermal efficiency is high hot air generator, to replace steam boiler of the prior art be one of those skilled in the art's technical barrier needing solution badly.
Utility model content
Technical problem to be solved in the utility model provides a kind of thermal efficiency high for above-mentioned prior art and the lower hot air generator of burning cost.
The technical scheme in the invention for solving the above technical problem is: a kind of hot air generator, comprise body of heater and the flue being arranged on furnace interior, described flue inside is combustion chamber, formed between described flue and body of heater and press from both sides room, it is characterized in that: described body of heater is provided with the burner spraying into flame to described combustion chamber, described flue perisporium offers the air holes being communicated with described combustion chamber and described folder room, described body of heater perisporium is provided with the air channel of being drawn by hot blast indoor for described folder, described air holes at least comprises first air holes relative with the entrance in described air channel.
Preferably, described air holes also comprises and to misplace with the entrance in described air channel and to be positioned at the second air holes on same wall with the first air holes, this second air holes be provided with the air quantity being beneficial to and improving hot blast, be conducive to discharging the heat energy in combustion chamber in time simultaneously, prevent flue overheated, kill two birds with one stone.
Comparatively reasonably arranging is that described second air holes is obliquely installed towards described tunnel inlet, and allows the hot blast blown out from the second air holes enter air channel more swimmingly.
Further improvement is, described second air holes relative to horizontal angle of inclination at 15 ° ~ 60 °, repetition test proves such offer the hot blast that angle is more conducive in combustion chamber and flow through folder room from the second air holes and enter air channel, and the requirement allowing the air quantity that flows through the second air holes and wind speed can both meet hot blast to occur.
Preferably, described flue is erected at furnace interior, and described burner is arranged on the top of body of heater.Like this, the flame that burner sprays to combustion chamber burns in basipetal mode, when from flue perisporium exhausting, is conducive to producing the higher hot blast of temperature, and improves the utilization rate of the combustion heat.And when specifically manufacturing, fuel is preferably exported the premix burner of burning by burner together with air proportion, and is conducive to producing fast hot-air, and sufficient combustion, prevent the generation of black smoke.
Further, when flue setting is arranged in body of heater, in order to ensure that flue is reliably fixed, upper and lower two groups of fixed mounts between described furnace outer wall and described inboard wall of furnace body, are supported with.
In addition, in order to improve the air quantity of hot blast and promote that it is outer defeated, be provided with the constantly outer blower fan taken out of the hot-air in described combustion chamber in described air channel, the preferred small blast fan of described blower fan is as cfentrifugal blower.
Compared with prior art, the utility model has the advantage of: compared with the indirect heating manner of conventional vapor boiler, hot-air burning formed quick generation in the flue of smaller size smaller is also directly extracted formation hot blast out and is used, thus improve the thermal efficiency of burning, under the condition exporting equivalent hot blast, be conducive to reducing the fuel consumption needed for burning, greatly reduce the cost that hot blast occurs.And it is simple that this hot air generator has structure, easily manufactured advantage, be convenient to commercial introduction application.
Accompanying drawing explanation
Fig. 1 is the structural representation of hot air generator in the utility model embodiment;
Fig. 2 is the structural representation of hot air generator in another embodiment of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figure 1, hot air generator in the present embodiment comprises inside and outside sheathed flue 2 and body of heater 1, flue 2 be erected at body of heater 1 inner and and form ring-type between body of heater 1 and press from both sides room B, by upper between the outer wall of flue 2 and body of heater 1 inwall, lower two groups of fixed mounts 61, 62 support, the end sealing of flue 2 is arranged on the roof of body of heater 1, the inside of flue 2 is combustion chamber A, to being provided with burner 3 by combustion chamber A above body of heater 1, the flame that burner 3 sprays from top to bottom is directly in combustion chamber A combustion, the perisporium of flue 2 offers the air holes being communicated with combustion chamber A and folder room B, hot-air in the A of combustion chamber enters folder room B from air holes, body of heater 1 perisporium is provided with for the hot-air in folder room B is outwards drawn the air channel 4 forming hot blast, and interval body of heater 1 one segment distance place is provided with the centrifugal fan 5 constantly outwards extracted out by the hot-air in the A of combustion chamber on air channel 4.
The premixing combuster of burning is sprayed together with after burner in the present embodiment preferably adopts and combustion gas closed with air pre-mixing, eliminate the trouble of input air support burning in flue on the one hand, be conducive to again obtaining high-temperature hot air fast on the other hand, and this premixing combuster, the adequacy of burning can be guaranteed, avoid the generation of black smoke in combustion process, make to accept hot air apparatus (as dried the devices such as clothing cylinder) and clean hot blast can be obtained, can instructions for use be met.Certainly according to the requirement of application scenario, also common burner can be adopted.
Above-mentioned air holes has many groups, often organizes the corresponding air channel of air holes, in the present embodiment, body of heater 1 is provided with left and right two air channels 4, and the projection of entrance on flue 2 that two rational height of air channel 4 on body of heater 1 meet air channel 4 is near the middle part of combustion chamber A.One group of air holes corresponding to arbitrary air channel has multiple, and the multiple air holes belonging to a group are uniformly distributed up and down, the second air holes 22 comprising first air holes 21 relative with the entrance in air channel 4 and misplace with the entrance in air channel.Air channel 4 is successfully entered in order to make the hot blast flowing through the second air holes 22, preferably, aforementioned second air holes 22 is obliquely installed towards the entrance in air channel, and the second air holes 22 keeps the angle of 15 ° ~ 60 ° according to the difference in height between itself and tunnel inlet and horizontal line, meet job requirements with the air quantity and wind speed that make the hot blast flowed out from the second air holes 22.
The mode of the hot air generator output hot blast of the present embodiment is as follows, open premixing combuster, a certain proportion of air and gas injection inject combustion chamber combustion, the hot-air that burning produces enters folder room by air holes from combustion chamber under the effect of centrifugal fan, then carries out operation by air channel output.
The heat that burning produces by the hot air generator of said structure is that medium directly extracts formation hot blast out with air, improves the heat utilization efficiency of burning, be conducive to reducing burning cost, and structure is simple, is convenient to commercial introduction application.
In addition to the implementation; the utility model also includes other embodiments; hot air generator as shown in Figure 2; inboard wall of furnace in this device only offer first air holes relative with tunnel inlet and do not arrange the second above-mentioned air holes, the hot air generator of this structure also should fall within the protection domain of the utility model claim.
Claims (7)
1. a hot air generator, comprise body of heater and the flue being arranged on furnace interior, described flue inside is combustion chamber, formed between described flue and body of heater and press from both sides room, it is characterized in that: described body of heater is provided with the burner spraying into flame to described combustion chamber, described flue perisporium offers the air holes being communicated with described combustion chamber and described folder room, described body of heater perisporium is provided with the air channel of being drawn by hot blast indoor for described folder, described air holes at least comprises first air holes relative with the entrance in described air channel.
2. hot air generator according to claim 1, is characterized in that: described air holes also comprises and to misplace with the entrance in described air channel and to be positioned at the second air holes on same wall with the first air holes.
3. hot air generator according to claim 2, is characterized in that: described second air holes is obliquely installed towards described tunnel inlet.
4. hot air generator according to claim 3, is characterized in that: described second air holes relative to horizontal angle of inclination at 15 ° ~ 60 °.
5. the hot air generator according to claim 1 or 2 or 3 or 4, it is characterized in that: described flue is erected at furnace interior, described burner is arranged on the top of body of heater.
6. hot air generator according to claim 5, is characterized in that: be supported with upper and lower two groups of fixed mounts between described furnace outer wall and described inboard wall of furnace body.
7. the hot air generator according to claim 1 or 2 or 3 or 4, is characterized in that: described air channel is provided with by the constantly outer blower fan taken out of the hot-air in described combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458744.3U CN204063554U (en) | 2014-08-14 | 2014-08-14 | A kind of hot air generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458744.3U CN204063554U (en) | 2014-08-14 | 2014-08-14 | A kind of hot air generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063554U true CN204063554U (en) | 2014-12-31 |
Family
ID=52205049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420458744.3U Expired - Fee Related CN204063554U (en) | 2014-08-14 | 2014-08-14 | A kind of hot air generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204063554U (en) |
-
2014
- 2014-08-14 CN CN201420458744.3U patent/CN204063554U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190814 |