CN2117567U - Oil burning hot-blast stove - Google Patents
Oil burning hot-blast stove Download PDFInfo
- Publication number
- CN2117567U CN2117567U CN 92200550 CN92200550U CN2117567U CN 2117567 U CN2117567 U CN 2117567U CN 92200550 CN92200550 CN 92200550 CN 92200550 U CN92200550 U CN 92200550U CN 2117567 U CN2117567 U CN 2117567U
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- smoke
- cavity
- chamber
- rear arch
- Prior art date
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 239000000446 fuel Substances 0.000 claims abstract description 19
- 230000008676 import Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a fuel hot-blast furnace. It is composed of external cavity, internal cavity, automatic fuel spray gun and cold air inlet. The combustion chamber is horizontally arranged at the right side of the inner cavity, one end of the combustion chamber is connected with the fuel spray gun, the other end of the combustion chamber is communicated with the rear arch, and the rear arch, the smoke chamber, the smoke channel and the smoke chamber are respectively communicated by a horizontally arranged second return smoke pipe set and a horizontally arranged third return smoke pipe set. The inner wall of the front part of the combustion chamber is provided with a heat-resistant lining cylinder, and the outer wall of the heat-resistant lining cylinder is welded with a row of parallel fins.
Because of adopting the horizontal three-return structure and the low-temperature difference heat exchange principle and realizing the automatic adjustment of the air outlet temperature, the stove has the advantages of large output, low energy consumption, high heat efficiency, simple and convenient operation, stable air outlet temperature and the like.
Description
The utility model relates to the hot-blast stove technical field, particularly a kind of warm air oil furnace of horizontal three backhauls.
Warm-air supply equipment has two big classes substantially at present: a class is an electric central warm air furnace, and another kind of is fuel oil (fire coal) hot-blast stove.Existing warm air oil furnace is made up of combustion chamber, airduct, smoke-box, chimney, thermally insulating housing.The combustion chamber is positioned at the body of heater middle and lower part, and smoke-box portion placed on it is connected with cigarette is logical.One group of airduct coils in the combustion chamber inner chamber, and flame and hot flue gas directly heat its outer wall.Cold wind enters from the airduct lower end, and hot blast is sent from the airduct upper end.Because this stove heat exchange process is single flow process, and air-flow direction is parallel in the same way with the flow of flue gas direction, its heat exchange area is few, causes the exhaust gas temperature height, and the thermal efficiency is low, and energy consumption is big, and the furnace body outer wall wall temperature is higher.
The purpose of this utility model is to provide for the weak point that overcomes above-mentioned existence the warm air oil furnace of high horizontal three backhauls of a kind of thermal efficiency.
The utility model is achieved in that a kind of warm air oil furnace, comprises combustion chamber, smoke-box, outer chamber, automatic fuel lance, and an inner chamber body is arranged in the outer chamber, and a cavity is arranged between the inside and outside cavity; Inner chamber body is made of combustion chamber, the second backhaul smoke pipe group, the 3rd backhaul smoke pipe group, rear arch, smoke-box, flue, hot-blast outlet, crouch and be placed on the inner chamber body right side in columnar combustion chamber, the one end is connected with rear arch, the other end is connected with automatic fuel lance by interface, the second backhaul smoke pipe group that rear arch is communicated with smoke-box and the 3rd backhaul smoke pipe group that smoke-box is communicated with flue all lain in a horizontal plane on the left of the inner chamber body; The combustion chamber front inner wall is built has one section heat-resisting lining, outer wall of combustion chamber to be welded with row fin side by side.
The face that rear arch and cavity and flue join all is equipped with thermal insulation layer.Hot-blast outlet is packed in the outer chamber right side central, and the one end is connected with the inner chamber body right side central; The cold wind import is packed in top, outer chamber right side, and the one end is connected with cavity.
Outer chamber top also is provided with the chimney that is used to discharge waste hot gas, fills up the heat-insulation and heat-preservation material in the outer chamber.
The operation control procedure of this warm air oil furnace is such: at first determine air output according to burden requirement, regulate the pressure fan valve, make air output reach the setting air quantity.Automatically fuel lance is provided with respectively by master, the master who pays the control of electromagnetism fuel tap, pair oil nozzle.Inject three temperature probes at hot-blast outlet, be electrically connected with three temp controlled meters, master, a pair electromagnetism fuel tap respectively.When leaving air temp during, main, pay an electromagnetism fuel tap and open oil jetting combustion simultaneously less than design temperature; When leaving air temp reaches design temperature, close and pay the electromagnetism fuel tap; Prescribe a time limit when leaving air temp surpasses on the design temperature, main electromagnetism fuel tap also cuts out, and stops oil spout.Pressure fan is all ceaselessly air-supplies always in entire work process, after master, a pair electromagnetism fuel tap are closed burn-out simultaneously, after leaving air temp can drop to below the design temperature upper limit, open main electromagnetism fuel tap again, oil jetting combustion, leaving air temp is raise,, pay an electromagnetism fuel tap and also open oil jetting combustion if when leaving air temp is lower than design temperature.So automatically, regulate, leaving air temp is controlled in the setting range.
The utility model is owing to adopt horizontal three return structures, heat exchange area is big, application of cold temperature difference heat exchange principle, reduced irreversible heat loss, and the heat exchange of overheavy firing chamber outer wall, and realize the automatic adjusting of leaving air temp, this warm air oil furnace is had exert oneself big, energy consumption is low, the thermal efficiency is high, easy and simple to handle, advantage such as leaving air temp is stable.Be particularly suitable for the hot air source of process such as hot setting, feed drying, cloth typing, timber stoving as all kinds of plastic-blasting spares.
Fig. 1 is the utility model master cutaway view;
Fig. 2 is the A-A cutaway view of Fig. 1.
Below by embodiment the utility model is further elaborated.
With reference to Fig. 1, shown in Figure 2, this warm air oil furnace is made of formed cavity (5) between outer chamber (3), inner chamber body (6), automatic fuel lance (16), cold wind import (2) and the inside and outside cavity (6,3).Outer chamber (3) is a three-decker, and the innner and outer layer is a steel plate, fills up heat-barrier material in the middle of it.Outer chamber (3) top, right side is fixed with cold wind import (2), and the one end is connected with cavity (5).Inner chamber body (6) comprises combustion chamber (9), rear arch (11), the second backhaul smoke pipe group (14), the 3rd backhaul smoke pipe group (13), smoke-box (15), flue (12), hot-blast outlet (1).The throat less chamber of being made by heat-resistance stainless steel (9) crouches and is placed on inner chamber body (6) right side, and its rear end is connected with rear arch (11), and front end is connected with automatic fuel lance (16) by interface (7).Combustion chamber (9) front inner wall is welded with 45 circles fin (10) arranged side by side equidistantly with the fire-resistant brick a bit of heat-resisting lining (8) that has, its whole outer wall, is used for enhanced heat exchange.The second backhaul smoke pipe group of being made up of 104 smoke pipes (14) is connected rear arch (11) with smoke-box (15), the 3rd backhaul smoke pipe group of being made up of 102 smoke pipes (13) is connected smoke-box (15) with flue (12).Second and third backhaul smoke pipe group (14,13) all adopts fork row mode horizontally in inner chamber body (6) left side.The no shrouding in inner chamber body (6) left side, its right side central is provided with hot-blast outlet (1), passes and be fixed on outer chamber (3) right side central.Rear arch (11) all is built into a stifled thermal insulation layer (4) with refractory brick with the face that cavity (5) and flue (12) join.The main effect that cavity (5) is set is heat insulation and the external cold air of preheating.
The gas flow process of this warm air oil furnace is as follows: external cold air enters cavity (5) through pressure fan from cold wind import (2), fully behind the heat that absorption inner chamber body (6) spreads out of, enter inner chamber body (6) from inner chamber body (6) left side, after passing the 3rd backhaul smoke pipe group (13), the second backhaul smoke pipe group (14) successively, walk around combustion chamber (9) outer wall of the band fin (10) of high temperature again, send hot blast through hot-blast outlet (1).External cold air is through cavity (5) preheating, then quilt heat temperature raising gradually inner chamber body (6) in, and the hot blast that becomes controlled temperature system is sent from hot-blast outlet (1).On the other hand, diesel oil is through fully burning in combustion chamber (9) under fuel lance (16) atomizing and the combustion-supporting situation of forced air supply automatically, the high-temperature flue gas that forms changes the second backhaul smoke pipe group (14) over to through rear arch (11), enter the 3rd backhaul smoke pipe group (13) through smoke-box (15) again, connect chimney through flue (12) and discharge.This flow scheme design adopts low temperature difference heat exchange, has reduced irreversible heat loss.High-temperature flue gas becomes the low-temperature waste heat flue gas and discharges the atmosphere from chimney after the heat exchange of many places.
The model machine of present embodiment is as follows through the thermal testing result: (environment temperature is 33 ℃ during test)
The thermal efficiency is 90.91%; Outer chamber (3) average surface temperature is 50.92 ℃; Exhaust gas temperature is 146 ℃; Hot blast temperature is 230 ℃.
Claims (3)
1, a kind of warm air oil furnace comprises combustion chamber, smoke-box, outer chamber, automatic fuel lance, it is characterized in that:
In a, the outer chamber (3) inner chamber body (6) is arranged, inside and outside cavity has a cavity (5) between (6,3);
B, inner chamber body (6) is by combustion chamber (9), the second backhaul smoke pipe group (14), the 3rd backhaul smoke pipe group (13), rear arch (11), smoke-box (15), flue (12), hot-blast outlet (1) constitutes, crouch and be placed on inner chamber body (6) right side in columnar combustion chamber (9), the one end is connected with rear arch (11), the other end is connected with automatic fuel lance (16) by interface (7), the second backhaul smoke pipe group (14) that rear arch (11) is communicated with smoke-box (15) and the 3rd backhaul smoke pipe group (13) that smoke-box (15) is communicated with flue (12) all lain in a horizontal plane on the left of the inner chamber body (6);
C, combustion chamber (9) front inner wall are built has one section heat-resisting lining (8), combustion chamber (9) outer wall to be welded with row fin (10) side by side.
2, warm air oil furnace according to claim 1 is characterized in that the face that rear arch (11) and cavity (5) and flue (12) join all is equipped with thermal insulation layer (4).
3, warm air oil furnace according to claim 1 is characterized in that hot-blast outlet (1) is packed in outer chamber (3) right side central, and the one end is connected with inner chamber body (6) right side central; Cold wind import (2) is packed in outer chamber (3) top, right side, and the one end is connected with cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92200550 CN2117567U (en) | 1992-01-09 | 1992-01-09 | Oil burning hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92200550 CN2117567U (en) | 1992-01-09 | 1992-01-09 | Oil burning hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2117567U true CN2117567U (en) | 1992-09-30 |
Family
ID=4947786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92200550 Granted CN2117567U (en) | 1992-01-09 | 1992-01-09 | Oil burning hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2117567U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331082A (en) * | 2011-09-26 | 2012-01-25 | 怀远县巨龙机械制造有限公司 | Energy-saving and environment-friendly hot blast stove |
| CN103629811A (en) * | 2013-11-08 | 2014-03-12 | 中国人民解放军总后勤部建筑工程研究所 | Self-powered fuel oil fan heater |
| CN105276804A (en) * | 2014-06-14 | 2016-01-27 | 朱计坤 | Biomass multifunctional combustion engine matched hot-blast stove |
-
1992
- 1992-01-09 CN CN 92200550 patent/CN2117567U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331082A (en) * | 2011-09-26 | 2012-01-25 | 怀远县巨龙机械制造有限公司 | Energy-saving and environment-friendly hot blast stove |
| CN103629811A (en) * | 2013-11-08 | 2014-03-12 | 中国人民解放军总后勤部建筑工程研究所 | Self-powered fuel oil fan heater |
| CN103629811B (en) * | 2013-11-08 | 2016-01-13 | 中国人民解放军总后勤部建筑工程研究所 | A kind of self-powered fuel heater unit |
| CN105276804A (en) * | 2014-06-14 | 2016-01-27 | 朱计坤 | Biomass multifunctional combustion engine matched hot-blast stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |