CN2045073U - Horizontal self-suction type gasified oil stove - Google Patents
Horizontal self-suction type gasified oil stove Download PDFInfo
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- CN2045073U CN2045073U CN 89203875 CN89203875U CN2045073U CN 2045073 U CN2045073 U CN 2045073U CN 89203875 CN89203875 CN 89203875 CN 89203875 U CN89203875 U CN 89203875U CN 2045073 U CN2045073 U CN 2045073U
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- oil
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- cover
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- 238000002156 mixing Methods 0.000 claims abstract description 26
- 238000009834 vaporization Methods 0.000 claims description 17
- 230000008016 vaporization Effects 0.000 claims description 17
- 239000000446 fuel Substances 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005496 tempering Methods 0.000 abstract description 4
- 241001481828 Glyptocephalus cynoglossus Species 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 70
- 239000003570 air Substances 0.000 description 44
- 239000007789 gas Substances 0.000 description 32
- 239000007921 spray Substances 0.000 description 16
- 238000002485 combustion reaction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 206010030973 Oral discomfort Diseases 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002663 nebulization Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Combustion Of Fluid Fuel (AREA)
Abstract
The utility model discloses a horizontal self-suction type gasified oil stove, witch cancels the stable fire blade. A straight oil gas mixing tube whose one end is in the shape of acoustic horn is connected to the outlet of the one time air intake socket sleeve. The outlet of the oil gas mixing tube extends to the secondary air socket sleeve whose end part has an air intake. The secondary air socket sleeve integrates the round basin-shaped fire bowl as an integration. The flame jetted by the air-operated burner enters the fire bowl in tangential direction. The bottom of the fire bowl is provided with a three times air intake pipe. The inner wall is provided with screw groove. The flame stability of the gasified oil stove is better than the vertical type stove without the phenomenon of extinguishing and tempering. The requirements of increasing the oil quality and fire power are met. The temperature and the heat efficiency of the flame are improved; the fabricating cost is lowed.
Description
The utility model is a kind of self-sucking feature vaporization oil stove, is the improvement of existing a kind of vertical self-priming oil formula vaporization oil stove.
It is the outer mixing pneumatic nebulization and the self-sucking feature vaporization oil stove of fuel with the light diesel fuel that Chinese patent 85205558 has proposed a kind of, and its product is vertical layout, and the burner assembly is vertically placed, and is vertical heater hereinafter to be referred as it.Its operation principle is: the compressed air that compressed air source is sent, control through pressure-reducing valve and pressure gauge valve voltage stabilizing, adjusting, and from the air-blast atomizer ejection, make nozzle produce ejector action, fuel oil is aspirated from the normal pressure fuel tank advance nozzle.In nozzle, oil mixes with high-velocity jets and atomizes, and forms one oil gas spray and sprays into the burner assembly from nozzle.Be subjected to the ejector action of this strand oil gas spray, the burner ambient air is sucked into the burner assembly again, mixes mutually with the oil gas spray again.During igniting, flame after the burner preheating, makes flame jump to the top smooth combustion of the steady fiery blade on burner assembly top in the burning of burner bottom again.This vertical heater in use has following deficiency:
(1) occur " arcing " difficult phenomenon sometimes, influence is normal when serious uses.The distortion of ablating after the improper or long-term work of steady fiery blade assembling in the burner, the steady pyrosphere carbon deposit of steady fiery blade below, combustion preheater overlong time or end flue temperature are too high below burner, or all kinds of reason such as oil-gas ratin discomfort, all might cause the arcing difficulty.At this moment the steady fiery blade on burner top is because of being in the easy ablated damage in flame high-temperature region for a long time.Aspiration because of auxiliary air greatly reduces again, causes malcombustion, causes noise to increase, and causes carbon deposit between the electric igniter ignitor of burner bottom (and then easily causing high voltage short circuit) simultaneously, cooking stove cisco unity malfunction when fault is serious.
When (2) combustion preheater state or excessive oil mass are burnt, mist of oil from the air-blast atomizer ejection, on the mixing tube inwall of burner, assemble and form oil film, because have little time complete carburation by evaporation, flowed downward by the effect of gravity and drip, particularly pollute the ignitor under the burner, caused carbon deposit between electrode, and then caused electric igniter high voltage short circuit fault.
(3) the vertical heater burner assembly of this structure, amount of fuel generally is limited in below 3.5 kilograms/hour, and under this condition, the heat output of vertical heater can not adapt to the cooking craft requirement of big hotel or wineshop boiling kitchen range.
When (4) in occurring bubble or tracheae in the oil pipe, having ponding, all can make oil stream instantaneous interruption, cause the fray-out of flame of steady fiery blade top.Though the moment i.e. recovery of oil stream later is normal, because the partition effect of steady fiery blade often can not continue operate as normal because the oil gas spray is difficult to be lighted again.
The purpose of this utility model is the above-mentioned shortcoming that overcomes vertical self-priming oil formula vaporization oil stove, improves the structure of total arrangement and relative section, and a kind of thermal efficiency height, firepower is stronger, performance is more superior self-sucking feature vaporization oil stove are provided.
The utility model provides a kind of self-sucking feature vaporization oil stove (hereinafter to be referred as horizontal chamber furnace (oven)), its pneumatic burner assembly is horizontal layout, total air-blast atomizer ［ 5 ］, electric igniter ［ 8 ］, an air intake cover for seat ［ 7 ］, oil gas mixing tube ［ 9 ］ and secondary air cover for seat ［ 10 ］ five parts.Wherein, the axis of air-blast atomizer, air intake cover for seat, oil gas mixing tube and four parts of secondary air cover for seat is on same straight line, and this straight line is level or slightly tilts, and the space angle between the horizontal plane is in 0 ° of-20 ° of scope; The outlet of an air intake cover for seat ［ 7 ］ and oil gas mixing tube ［ 9 ］ link, and the port of export of oil gas mixing tube puts in the secondary air cover for seat ［ 10 ］ of introducing the secondary combustion air; Secondary air cover for seat ［ 10 ］ is integral with circle basin shape fire bowl ［ 16 ］, and the axis of secondary air cover for seat is tangent with certain circle on the corresponding cross section of circle basin shape fire bowl (this section is perpendicular to fire bowl axis).From oil gas the mixings spray of burner assembly ejection from tangentially entering round basin shape fire bowl.
The application's horizontal chamber furnace (oven) will illustrate in greater detail from the accompanying drawing of the following example, from then on can draw the further feature of this horizontal chamber furnace (oven) in the example.
Fig. 1: the structure principle chart of horizontal self-sucking feature vaporization oil stove systematic schematic diagram and pneumatic burner assembly and circle basin shape fire bowl.
As shown in Figure 1, wherein gas circuit is identical with vertical heater with oil circuit, promptly form gas circuit, form oil circuit by normal pressure fuel tank ［ 12 ］ oil level stabilizer ［ 13 ］, fuel tap ［ 14 ］ and oil pipe ［ 15 ］ by compressed air source ［ 1 ］, pressure-reducing valve ［ 2 ］, pressure gauge valve ［ 3 ］ and tracheae ［ 4 ］.Air-blast atomizer ［ 5 ］ in the pneumatic burner assembly is contained on the air intake cover for seat ［ 7 ］ of plate-like the two dead in line.
The outlet and the straight-run of pipe of an air intake cover for seat ［ 7 ］ of plate-like join, this straight tube promptly is the oil gas mixing tube ［ 9 ］ that an end is toroidal, its toroidal end connects with an air intake cover for seat, and the other end (port of export) then puts in the secondary air cover for seat ［ 10 ］.A fresh air inlet ［ 6 ］ of an air intake cover for seat is opened on the trying to get to the heart of a matter of an air intake cover for seat of dish type.The internal diameter of the straight length of oil gas mixing tube is selected in 20-45 millimeter scope according to the size of design amount of fuel, and caliber causes tempering too greatly easily.The ratio of oil gas mixing tube length and internal diameter is 3-7.
The internal diameter of secondary air cover for seat ［ 10 ］ is bigger than oil gas mixing tube port of export external diameter, at its entrance point, along a cross section radially, has several secondary intake openings ［ 11 ］, but not perforate on extreme lower position, to prevent outwards water clock of oil.Put in the end face of oil gas mixing tube ［ 9 ］ port of export of secondary air cover for seat ［ 10 ］, extend through the central axis position of secondary intake opening ［ 11 ］, the distance that is extended through is no more than four times of secondary air bore dias.
One is welded or be cast as to secondary air cover for seat ［ 10 ］ with circle basin shape fire bowl ［ 16 ］, and a fire bowl can have one or more secondary air cover for seat.The diameter of fire bowl is more many greatly than the diameter of secondary air cover for seat, and both relative positions will guarantee that the oil gas spray tangentially enters the fire bowl, and promptly the axis of secondary air cover for seat is tangent with certain circle on the corresponding cross section of fire bowl, this diameter of a circle d
1For fiery bowl inside diameter D deducts secondary air cover for seat inner diameter d, i.e. d
1=D-d.
In order to strengthen the eddy flow effect of flame, increase fire bowl inner surface area, prolong the time of staying of fuel oil oil film at fire bowl inwall, on the inwall of fire bowl, made spiral grooves ［ 18 ］.Fire bowl intracavity diameter increases with the increase of design oil mass, generally changes in 50-200 millimeter scope.The center of fire bowl is provided with three blast pipes ［ 17 ］, and it is a straight tube that internal diameter is the 15-40 millimeter, and it highly is the 30-60 millimeter.The effect of three blast pipes is to utilize the negative pressure at swirl flame center to suck combustion air, improves efficiency of combustion.Be the burning mouth circle of making of refractory material ［ 19 ］ on the fire bowl.
The utility model vaporization oil stove air-blast atomizer is such with the working condition of rear section: one oil gas spray from air-blast atomizer ［ 5 ］ ejection enters an air intake cover for seat ［ 7 ］, the primary air that injection is come in the fresh air inlet ［ 6 ］ on air intake cover for seat, enter in the oil gas mixing tube ［ 9 ］ and evenly mix, enter secondary air cover for seat ［ 10 ］ then, the secondary combustion air that enters from secondary intake opening ［ 11 ］ of injection again, at last, this strand oil gas spray tangentially enters round basin shape fire bowl ［ 16 ］.During igniting, flame exports an air intake cover for seat ［ 7 ］ internal combustion in the place ahead earlier at air-blast atomizer ［ 5 ］, after about tens seconds of the preheating, improve the indicated pressure of pressure gauge valve ［ 3 ］, promptly increase the speed of oil gas spray, flame promptly is blown in the fire bowl ［ 16 ］, and limit rotation, limit burning form strong and stable swirl flame.The intensity of control flame is to regulate compressed-air actuated pressure with pressure gauge valve ［ 3 ］ to realize.The ratio of oil and combustion air then uses oily control valve ［ 14 ］ to regulate.The fuel head (oil level) of normal pressure fuel tank ［ 12 ］ is lower than the position of air-blast atomizer, keeps oil level constant with oil level stabilising arrangement ［ 13 ］ in the work.When blowing out was stopped working, as long as closing presure table valve ［ 3 ］, the oil in nozzle and the oil pipe just can flow back in the normal pressure fuel tank automatically.
Horizontal self-suction type gasified oil stove has many advantages than vertical heater, and effect is remarkable:
(1) flame holding is good, can not take place instantaneous flame-out. Because do not have steady fiery blade the passage from nozzle to the fire bowl, the oil gas spray is not cut off, even when occurring having in bubble or the tracheae water to cause the instantaneous interruption of oil stream in the oil pipe, flame can not extinguish yet. In addition, be attached to the oil film on the air-fuel mixture tube wall, be subjected to aerodynamic force and action of gravitation, splash into the fire bowl along the secondary air cover for seat, also make flame keep stablizing and can not producing instantaneous flame-out phenomenon.
(2) satisfied the requirement that strengthens oil mass and firepower. During big oil mass burning, the oil film on the air-fuel mixture wall is brought into while vaporize in the fire bowl, can not occur such as the vertical heater phenomenon of oil dripping down, has satisfied Large-scale Hotel, wineshop with the needs of steaming range requirement high flame.
(3) strengthen burning, improved the flame temperature and the thermal efficiency.The oil gas spray of horizontal chamber furnace (oven) flings from tangential direction and enters round basin shape fire bowl, forms swirl flame, and much stronger than the torch-like flame that forms by steady fiery blade in the vertical heater, the actual measurement flame temperature improves more than 100 ℃.Because horizontal chamber furnace (oven) burner hearth bottom (fire bowl) can reduce, and has increased the distance of flame and floss hole, thereby has prolonged the time of staying of flame in burner hearth, when making horizontal chamber furnace (oven) be used as boiling, the thermal efficiency ratio vertical heater improves more than 5%.
(4) eliminated tempering phenomenon, the interelectrode carbon deposit of electric igniter is greatly alleviated.In the horizontal chamber furnace (oven), combustion air divides and sucks for three times in the oil gas spray, in the fire bowl enough combustion airs are arranged, the rich oil rate of oil gas spray improves in the oil gas mixing tube, and the oil gas spray strengthens the cooling effect of mixing tube, has reduced the flame propagation velocity of oil gas spray in this is interval, therefore guaranteeing can not take place flame returns and scurries near the tempering phenomenon that burns the air-blast atomizer mouth, simultaneously, the interelectrode carbon deposit of electric igniter is greatly alleviated, improved electrically-fired reliability.
(5) reduced manufacturing cost.Horizontal chamber furnace (oven) has been cancelled with the steady fiery blade of heat-resisting high temperature alloy steel and the circle of getting angry, and in the burner assembly, does not also have in the vertical heater therefore, both to have reduced manufacturing cost in order to the deep hole of fuel gas return-flow, has improved the life-span of stove and accessory again.
Horizontal self-suction type gasified oil stove embodiment structural dimensions is as follows as shown in Figure 1:
Pneumatic burner axis horizontal,
Oil gas mixing tube ［ 9 ］ internal diameter is 25 millimeters
Length is 125 millimeters
Circle basin shape fire bowl ［ 16 ］ inner diameter D is 130 millimeters
Highly be 55 millimeters
Inner surface is shaped on spiral grooves
Three blast pipes ［ 17 ］ internal diameter is 25 millimeters.
Highly be 35 millimeters.
Secondary air cover for seat ［ 10 ］ is made one with circle basin shape fire bowl ［ 16 ］, the internal diameter of secondary air cover for seat is bigger than oil gas mixing tube port of export external diameter, radially from a cross section of the about 20-25 millimeter of entrance point, have 6 diameters and be 6 millimeters secondary intake opening ［ 11 ］ (not perforate on extreme lower position), put in the exit end face of the oil gas mixing tube of secondary air cover for seat, extend through the central axis position of secondary intake opening, the distance that extends through is about a secondary air bore dia.
Survey high thermal efficiency and reach 70%, peak flame temperature reaches 1600 ℃, has obtained good effect.
Claims (9)
1, a kind of self-sucking feature vaporization oil stove, comprise in the formation: the gas circuit of forming by compressed air source [1], pressure-reducing valve [2], pressure gauge valve [3] and tracheae [4], the oil circuit of forming by normal pressure fuel tank [12], oil level stabilizer [13], fuel tap [14] and oil pipe [15], air-blast atomizer [5], an air intake cover for seat [7], electric igniter [8], of the present utility model being characterised in that:
The arrival end of the outlet of (1) air intake cover for seat [7] and one section straight oil gas mixing tube [9] links,
(2) port of export of oil gas mixing tube [9] puts in the secondary air cover for seat [10],
(3) secondary air cover for seat [10] is integral with circle basin shape fire bowl [16], and the axis of secondary air cover for seat is tangent with certain circle on the corresponding cross section of circle basin shape fire bowl, this diameter of a circle d
1Deduct the inner diameter d (d of secondary air cover for seat for the inside diameter D of fire bowl
1=D-d),
(4) air-blast atomizer [5], an air intake cover for seat [7], the axis of oil gas mixing tube [9] and [10] four parts of secondary air cover for seat is on same straight line, and this straight line is level or slightly tilts, and the space angle between the horizontal plane is in 0 ° of-20 ° of scope.
2, self-sucking feature vaporization oil stove as claimed in claim 1 is characterized in that the arrival end that an oil gas mixing tube ［ 9 ］ and an air intake cover for seat ［ 7 ］ link is a toroidal.
3, self-sucking feature vaporization oil stove as claimed in claim 1 or 2 is characterized in that the entrance point of secondary air cover for seat ［ 10 ］ along a cross section radially, having several secondary intake openings ［ 11 ］, but not perforate on extreme lower position.
4, self-sucking feature vaporization oil stove as claimed in claim 1 or 2, it is characterized in that putting in the end face of oil gas mixing tube ［ 9 ］ port of export of secondary air cover for seat ［ 10 ］, extend through the central axis position of secondary intake opening ［ 11 ］, the distance that is extended through is no more than four times of secondary air bore dias.
5, self-sucking feature vaporization oil stove as claimed in claim 1 or 2 is characterized in that three blast pipes ［ 17 ］ are arranged at the bottom of circle basin shape fire bowl ［ 16 ］.
6,, it is characterized in that on the inwall of fire bowl ［ 16 ］ spiral grooves ［ 18 ］ being arranged as claim 1 or 5 described self-sucking feature vaporization oil stoves.
7, self-sucking feature vaporization oil stove as claimed in claim 2, the internal diameter that it is characterized in that oil gas mixing tube ［ 9 ］ is the 20-45 millimeter, the ratio of length and internal diameter is 3-7.
8, self-sucking feature vaporization oil stove as claimed in claim 6 is characterized in that circle basin shape fire bowl ［ 16 ］ intracavity diameter is the 50-200 millimeter.
9, self-sucking feature vaporization oil stove as claimed in claim 5, the internal diameter that it is characterized in that three blast pipes ［ 17 ］ is the 15-40 millimeter, highly is the 30-60 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203875 CN2045073U (en) | 1989-04-06 | 1989-04-06 | Horizontal self-suction type gasified oil stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203875 CN2045073U (en) | 1989-04-06 | 1989-04-06 | Horizontal self-suction type gasified oil stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2045073U true CN2045073U (en) | 1989-09-27 |
Family
ID=4861351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89203875 Withdrawn CN2045073U (en) | 1989-04-06 | 1989-04-06 | Horizontal self-suction type gasified oil stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2045073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8309045B2 (en) | 2011-02-11 | 2012-11-13 | General Electric Company | System and method for controlling emissions in a combustion system |
-
1989
- 1989-04-06 CN CN 89203875 patent/CN2045073U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8309045B2 (en) | 2011-02-11 | 2012-11-13 | General Electric Company | System and method for controlling emissions in a combustion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |