CN209084752U - A kind of few-oil ignition air atomizing rifle - Google Patents

A kind of few-oil ignition air atomizing rifle Download PDF

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Publication number
CN209084752U
CN209084752U CN201821477816.3U CN201821477816U CN209084752U CN 209084752 U CN209084752 U CN 209084752U CN 201821477816 U CN201821477816 U CN 201821477816U CN 209084752 U CN209084752 U CN 209084752U
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CN
China
Prior art keywords
oil
inlet pipe
mixing nozzle
atomization chamber
few
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.)
Expired - Fee Related
Application number
CN201821477816.3U
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Chinese (zh)
Inventor
李铭
郑毅
贾忠上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datang Yuncheng Power Generation Co Ltd
Original Assignee
Datang Yuncheng Power Generation Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN201821477816.3U priority Critical patent/CN209084752U/en
Application granted granted Critical
Publication of CN209084752U publication Critical patent/CN209084752U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model proposes a kind of few-oil ignition air atomizing rifles, the air inlet pipe for being provided with inlet channel including one, the air inlet pipe side is provided with and communicated with compressed air inlet, one end of the air inlet pipe is provided with oil inlet pipe, oil inlet is provided on oil inlet pipe, and the inflow pipeline of the oil inlet pipe is located in the inlet channel, the other end of the air inlet pipe is sealedly connected with an atomization chamber by a connector sleeve, the end of the oil inlet pipe is provided with a mixing nozzle, described mixing nozzle one end is connected to setting with oil inlet passage, the other end of mixing nozzle is connected to setting with atomization chamber, the first gap is provided between the connector sleeve and mixing nozzle, the second gap is provided between the outer edge and atomization chamber of the mixing nozzle, the inlet channel passes sequentially through the first gap and the second gap and is connected to atomization chamber, the end of the atomization chamber Portion is provided with an atomisation outlet.The utility model.

Description

A kind of few-oil ignition air atomizing rifle
Technical field
The utility model belongs to field, in particular to a kind of few-oil ignition air atomizing rifle.
Background technique
The working mechanism of few-oil ignition is directly to smash fuel oil first with the high-speed jet of compressed air, is atomized into super The heat that thin oil droplet burns, while being generated with burning carries out initial stage heating, dilatation, later period heating, extremely short to fuel The evaporation gasification that oil droplet is completed in time, makes oil gun direct burn gas fuel in regular combustion process, to greatly improve Efficiency of combustion and flame temperature.Flame rigidity after gasification, and combustion is extremely strong, its spread speed is exceedingly fast more than the velocity of sound, flame in complete Transparence (root is blue, and intermediate and tail portion is transparent whites), flame kernel temperature is up to 1500~2000 DEG C, can be used as height Warm fire core carries out direct firing coal-dust burning in coal burner, to realize station boiler starting, stopping and underload Steady combustion.Few-oil ignition technology uses Concentration-decentration Split Combustion, makes coal dust in fire area formation high concentration, lacks air, fire-hazardous Advantage, the investment of small oil gun provide relatively stable, sufficient fuel gas, the hydro carbons volatilization of light oil for coal dust firing So that the fugitive constituent concentration and reducing atmosphere in coal powder ignition region are obviously improved, ignition heat is reduced, flame propagation velocity Accelerate, the stabilization and burning of the coal powder ignition point that is highly advantageous to.
But guarantee the efficiency of combustion of fuel oil using few-oil ignition, and sufficient materialization is carried out to fuel oil, and it is existing Atomising device one be not thorough to be atomized, cause the efficiency of combustion of fuel oil not high, two are easy after stopping oil, due to atomized fuel Pressure effect the phenomenon that flowing back.
Therefore, it in view of above scheme in actual fabrication and in place of implementing using upper missing, and corrected, improved, together When in line with the spirit and theory asked, and by the knowledge of profession, the auxiliary of experience, and after multi-party clever thought, test, just found The utility model out, spy provide a kind of few-oil ignition air atomizing rifle again, can improve the materialization degree of fuel oil, promote its fuel oil Thoroughly, and fuel flow returns phenomenon is avoided.
Summary of the invention
The utility model proposes a kind of few-oil ignition air atomizing rifles, solve the problems of the prior art.
The technical solution of the utility model is achieved in that few-oil ignition air atomizing rifle, including one be provided with into The air inlet pipe in gas channel, air inlet pipe side are provided with and communicated with air inlet, and one end of air inlet pipe is provided with oil inlet pipe, sets on oil inlet pipe It is equipped with oil inlet, and the inflow pipeline of oil inlet pipe is located in inlet channel, the other end of air inlet pipe is connected by connector sleeve sealing It is connected to an atomization chamber, the end of oil inlet pipe is provided with a mixing nozzle, and mixing nozzle one end is connected to setting with oil inlet passage, mixing The other end of nozzle is connected to setting with atomization chamber, is provided with the first gap between connector sleeve and mixing nozzle, mixing nozzle it is outer The second gap is provided between edge and atomization chamber, inlet channel passes sequentially through the first gap and the second gap and atomization chamber connects Logical, the end of atomization chamber is provided with an atomisation outlet.
As a preferred embodiment, the both ends of connector sleeve are respectively protruding into air inlet pipe and atomization chamber, and connect The outer surface of set is provided with a circular protrusion, and circular protrusion one end and air inlet pipe engage.
As a preferred embodiment, mixing nozzle is arranged on the end with oil inlet pipe, and mixing nozzle part is stretched Enter between connector sleeve and oil inlet pipe, the outer surface of mixing nozzle and the first gap of inner surface formation of connector sleeve, in mixing nozzle Setting one sprays channel, sprays channel connection inlet channel and atomization chamber.
As a preferred embodiment, spraying the setting of channel variable diameter, and taste is sprayed in one end of atomization chamber Diameter is less than the internal diameter of other parts.
As a preferred embodiment, a washer is provided between mixing nozzle and the end of oil inlet pipe, on washer It is provided with an oilhole, the aperture of oilhole is less than the internal diameter of oil inlet pipe.
As a preferred embodiment, the inner surface of connector sleeve is provided with a raised ring, raised ring is sheathed on oil inlet Guan Shang.
As a preferred embodiment, being provided with the opening of connection inlet channel and the first gap on raised ring.
As a preferred embodiment, atomization chamber is internally provided with a ring-shaped depression, mixing nozzle is fixedly connected with One support ring, and in support ring insertion ring-shaped depression.
As a preferred embodiment, the second gap setting is in support ring.
As a preferred embodiment, being provided with hose coupling on air inlet and oil inlet.
After above-mentioned technical proposal, the beneficial effects of the utility model are: by the compressed air of access higher pressure, It will be directly entered atomization chamber after the fuel oil that oil inlet pipe enters is atomized by mixing nozzle and high pressure gas, and through being atomized Outlet sprays, and for lighting to coal dust, which can more adequately make fuel-oil atmozation, and that improves its burning coal utilizes effect Rate, also, it is convenient for changing mixing nozzle, guarantee the effect of materialization.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-sectional view of the utility model few-oil ignition air atomizing rifle.
In figure, 1- oil inlet;2- oil inlet passage;3- oil inlet pipe;4- air inlet pipe;5- inlet channel;6- opening;7- connection Set;8- washer;9- sprays channel;10- atomisation outlet;11- atomization chamber;12- support ring;The first gap 13-;14- air inlet; 15- hose coupling;The second gap 16-;17- raised ring;18- mixing nozzle;19- ball.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, this few-oil ignition air atomizing rifle, the air inlet pipe 4 for being provided with inlet channel 5 including one, air inlet 4 side of pipe is provided with and communicated with air inlet 14, and one end of air inlet pipe 4 is provided with oil inlet pipe 3, oil inlet 1 is provided on oil inlet pipe 3, And the oil inlet pipe 3 of oil inlet pipe 3 is located in inlet channel 5, the other end of air inlet pipe 4 is sealedly connected with one by a connector sleeve 7 Atomization chamber 11, the end of oil inlet pipe 3 are provided with a mixing nozzle 18, and 18 one end of mixing nozzle is connected to setting with oil inlet passage 2, mix The other end for closing nozzle 18 is connected to setting with atomization chamber 11, and the first gap 13 is provided between connector sleeve 7 and mixing nozzle 18, mixes It closes and is provided with the second gap 16 between the outer edge and atomization chamber 11 of nozzle 18, inlet channel 5 passes sequentially through 13 He of the first gap Second gap 16 is connected to atomization chamber 11, and the end of atomization chamber 11 is provided with an atomisation outlet 10.
The fuel oil entered by oil inlet pipe 3 is passed through mixing nozzle by the compressed air that higher pressure is accessed by air inlet 14 18 and high pressure gas be atomized after be directly entered atomization chamber 11, then sprayed through atomisation outlet 10, should for being lighted to coal dust Atomizing gun can more adequately make fuel-oil atmozation, improve the utilization efficiency of its burning.
The both ends of connector sleeve 7 are respectively protruding into air inlet pipe 4 and atomization chamber 11, and the outer surface of connector sleeve 7 is provided with one Circular protrusion, circular protrusion one end and air inlet pipe 4 engage.Mixing nozzle 18 be arranged on the end of oil inlet pipe 3, and mix spray Mouth 18 partially protrudes between connector sleeve 7 and oil inlet pipe 3, and the outer surface of mixing nozzle 18 and the inner surface of connector sleeve 7 form first Gap 13, the interior setting one of mixing nozzle 18 spray channel 9, spray channel 9 and be connected to inlet channel 5 and atomization chamber 11;And it sprays It is provided with a ball 19 in channel 9, gap is provided between ball 19 and ejection channel 9, it is logical that ball 19 is freely set to ejection In road 9, the channel for allowing fuel oil to flow through is provided on the inner surface of taste, when the close spray under the pressure effect of fuel oil of ball 19 Out when the end in channel 9, fuel oil is sprayed from channel, reduces the sectional area of fuel oil outflow, increases the pressure of its ejection, and when spray When there are fuel flow returns in channel 9 out, ball 19 and soft 8 close contact of washer prevent the reflux of fuel oil.
Further, the both ends of connector sleeve 7 are connected through a screw thread with air inlet pipe 4 and atomization chamber 11, in the outer of connector sleeve 7 It is provided with external screw thread on surface, the internal screw thread of adaptation, 4 He of air inlet pipe are provided on the inner surface of air inlet pipe 4 and atomization chamber 11 It is to be tightly connected, and in order to guarantee sealing effect, can choose addition sealing ring between both atomization chambers 11 and connector sleeve 7 (not shown).
Also it is arranged by the way of being threadedly coupled between mixing nozzle 18 and oil inlet pipe 3, facilitates tearing open for mixing nozzle 18 It unloads, sprays the setting of 9 variable diameter of channel, and spray the internal diameter that taste is less than other parts close to one end internal diameter of atomization chamber 11.Mixing It is provided with a washer 8 between nozzle 18 and the end of oil inlet pipe 3, an oilhole is provided on washer 8, the aperture of oilhole is less than oil inlet The internal diameter of pipe 3, the washer 8 are rubber seal, may further ensure that the sealing effect between oil inlet pipe 3 and mixing nozzle 18 Fruit leak fuel oil will not because of the effect of pressure from other positions, guarantee the pressure of fuel oil.The crude oil of entrance is due to existing Certain pressure, behind the ejection channel 9 by mixing nozzle 18, due to spraying the setting of 9 variable diameter of channel, by mixing After nozzle 18, fuel oil, which forms the spouting state of one kind, can make the atomization of fuel oil at this time using the effect of high pressure gas More thoroughly, guarantee the efficiency of fuel burning.Also, when mixing nozzle 18 break down between, can by connector sleeve 7 respectively with into 11 Unscrew of tracheae 4 and atomization chamber, the mixing nozzle 18 of 3 end of oil inlet pipe will expose at this time, can be convenient mixing spray The maintenance or replacement of mouth 18.
The inner surface of connector sleeve 7 is provided with a raised ring 17, and raised ring 17 is sheathed on oil inlet pipe 3.It is set on raised ring 17 Be equipped with connection inlet channel 5 and the first gap 13 opening 6, by reduce inlet channel 5 in channel cross-sectional area, can more into The pressure of the enhancing gas of one step guarantees atomizing effect and fuel oil to keep it more thorough when being atomized to fuel oil Efficiency of combustion.Atomization chamber 11 is internally provided with a ring-shaped depression, and mixing nozzle 18 is fixedly connected with a support ring 12, and support ring In 12 insertion ring-shaped depressions.Second gap 16 is set in support ring 12.In addition, being provided on air inlet 14 and oil inlet 1 Hose coupling 15, air inlet 14 connect air compression plant by hose coupling 15, and oil inlet 1 is connected by hose coupling 15 Oil feeding device, wherein oil feeding device uses common infusion pump, therefore is not shown in the figure, and furthermore repeats no more.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of few-oil ignition air atomizing rifle, which is characterized in that the air inlet pipe for being provided with inlet channel including one, it is described into Tracheae side is provided with and communicated with air inlet, and one end of the air inlet pipe is provided with oil inlet pipe, and oil inlet is provided on oil inlet pipe, and The inflow pipeline of the oil inlet pipe is located in the inlet channel, and the other end of the air inlet pipe is tightly connected by a connector sleeve There is an atomization chamber, the end of the oil inlet pipe is provided with a mixing nozzle, and described mixing nozzle one end is connected to oil inlet passage to be set It sets, the other end of mixing nozzle is connected to setting with atomization chamber, and the first gap, institute are provided between the connector sleeve and mixing nozzle It states and is provided with the second gap between the outer edge of mixing nozzle and atomization chamber, the inlet channel passes sequentially through the first gap and Two gaps are connected to atomization chamber, and the end of the atomization chamber is provided with an atomisation outlet.
2. few-oil ignition according to claim 1 air atomizing rifle, which is characterized in that distinguish at the both ends of the connector sleeve Extend into air inlet pipe and atomization chamber, and the outer surface of connector sleeve is provided with a circular protrusion, described circular protrusion one end with into Tracheae locking.
3. few-oil ignition according to claim 1 air atomizing rifle, which is characterized in that the mixing nozzle is arranged and institute It states on the end of oil inlet pipe, and the mixing nozzle partially protrudes between connector sleeve and oil inlet pipe, the appearance of the mixing nozzle The inner surface of face and connector sleeve forms first gap, and setting one sprays channel, the ejection channel in the mixing nozzle It is connected to the inlet channel and atomization chamber.
4. few-oil ignition according to claim 3 air atomizing rifle, which is characterized in that ejection channel variable diameter is set It sets, and sprays the internal diameter that taste is less than other parts close to one end internal diameter of atomization chamber.
5. few-oil ignition according to claim 1 air atomizing rifle, which is characterized in that the mixing nozzle and oil inlet pipe End between be provided with a washer, be provided with an oilhole on the washer, the aperture of the oilhole is less than the oil inlet pipe Internal diameter.
6. few-oil ignition according to claim 1 air atomizing rifle, which is characterized in that the inner surface of the connector sleeve is set It is equipped with a raised ring, the raised ring is sheathed on oil inlet pipe.
7. few-oil ignition according to claim 6 air atomizing rifle, which is characterized in that the company of being provided on the raised ring The opening of logical inlet channel and the first gap.
8. few-oil ignition according to claim 1 air atomizing rifle, which is characterized in that the atomization chamber is internally provided with One ring-shaped depression, the mixing nozzle is fixedly connected with a support ring, and the support ring is embedded in the ring-shaped depression.
9. few-oil ignition according to claim 8 air atomizing rifle, which is characterized in that second gap setting is in institute It states in support ring.
10. few-oil ignition according to claim 1 to 9 air atomizing rifle, which is characterized in that the air inlet Hose coupling is provided on mouth and oil inlet.
CN201821477816.3U 2018-09-10 2018-09-10 A kind of few-oil ignition air atomizing rifle Expired - Fee Related CN209084752U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821477816.3U CN209084752U (en) 2018-09-10 2018-09-10 A kind of few-oil ignition air atomizing rifle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821477816.3U CN209084752U (en) 2018-09-10 2018-09-10 A kind of few-oil ignition air atomizing rifle

Publications (1)

Publication Number Publication Date
CN209084752U true CN209084752U (en) 2019-07-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821477816.3U Expired - Fee Related CN209084752U (en) 2018-09-10 2018-09-10 A kind of few-oil ignition air atomizing rifle

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112050205A (en) * 2020-09-21 2020-12-08 徐州久翔环保科技有限公司 Centrifugal multistage air mixing oxygen-enriched atomization oil gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112050205A (en) * 2020-09-21 2020-12-08 徐州久翔环保科技有限公司 Centrifugal multistage air mixing oxygen-enriched atomization oil gun

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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: 20190709

Termination date: 20210910