CN103591586A - Fuel gas mixer - Google Patents

Fuel gas mixer Download PDF

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Publication number
CN103591586A
CN103591586A CN201310187039.4A CN201310187039A CN103591586A CN 103591586 A CN103591586 A CN 103591586A CN 201310187039 A CN201310187039 A CN 201310187039A CN 103591586 A CN103591586 A CN 103591586A
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CN
China
Prior art keywords
spliced
annular element
hollow cylinder
groove
cylinder structure
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.)
Pending
Application number
CN201310187039.4A
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Chinese (zh)
Inventor
王献锋
冉申
董朝阁
耿亮
刁乾坤
熊双娇
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.)
LUOYANG PIMUTAIKE PRECISION PART MANUFACTURING Co Ltd
Original Assignee
LUOYANG PIMUTAIKE PRECISION PART MANUFACTURING 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.)
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Publication date
Application filed by LUOYANG PIMUTAIKE PRECISION PART MANUFACTURING Co Ltd filed Critical LUOYANG PIMUTAIKE PRECISION PART MANUFACTURING Co Ltd
Priority to CN201310187039.4A priority Critical patent/CN103591586A/en
Publication of CN103591586A publication Critical patent/CN103591586A/en
Pending legal-status Critical Current

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Abstract

A fuel gas mixer is of a hollow cylindrical structure spliced by multiple pieces, multiple layers and multiple holes. 2-30 layers are combined to form an integral structure, each layer is spliced by 2-7 annular pieces to form an concentric circular ring, 15-200 air holes separated by bosses identical in width are formed on one side of each annular piece, each air hole is groove with a small inner part and a large outer part, the air holes can also be grooves with identical width, the central line of each groove in a horizontal plane is tangent to a fixed-size virtual circle in each circular ring, 3-50 pairs of evenly-distributed positioning pins and positioning holes are correspondingly formed in the upper and lower faces of each annular piece, and the positioning pins and the positioning holes of each layer are angularly staggered and spliced to form the integral structure. Mixed gas or mixed liquid enters the internal cavity through the holes on the outer side of the mixer to form stable vortex gas flow or steady liquid flow. The mixer is good in strength and high temperature resistance, compact in structure, smooth in appearance, and convenient to clean, and deformation during high temperature is prevented effectively.

Description

A kind of fuel gas mixer
Technical field
The present invention relates to a kind ofly with gas or the well-mixed chemical field of liquid, relate in particular to a kind of fuel gas mixer.
Technical background
Fuel gas mixer (burner) is the important spare part of high-power gas furnace, and burner is usingd liquefied gas, natural gas, coal gas etc. as fuel, and the height key of its thermal efficiency depends on whether combustion gas mixes with air, whether can form stable jet.
Traditional burner adopts diffusion combustion technology, combustion gas and the burning of mixing limit, air limit, and its mixing velocity is slow, and flame temperature is low, and combustion gas cannot completing combustion, easily produces a large amount of carbon monoxide, makes people poisoning, and therefore part of fuel also wastes.
In prior art, the inlet end duct of fuel gas mixer (burner) is linear burning duct, these burning ducts distribute along the outside radial pattern of surrounding of stone or metal plate for standing a stove on as a precaution against fire, inside at stone or metal plate for standing a stove on as a precaution against fire is all provided with gas collection district conventionally, burning duct is communicated with air inlet pipe through gas collection district, and the centerline average in the duct of burning all with the axes intersect of stone or metal plate for standing a stove on as a precaution against fire, combustion gas and air enter gas collection district by air inlet pipe, Bing gas collection district is mixed, and then enters in the burning duct on burner and in burning duct and sprays burning.There is following problem in this burner: the wind loading rating in linear pattern burning duct is poor in the process of using, easily there is tempering phenomenon, that is to say, when the pressure of combustion gas in burning duct is less than the pressure of outside air, the transmission speed of flame is greater than the flow velocity of combustion gas in burning duct, flame adverse current enters burning duct, and burning is carried out in burning duct.Tempering phenomenon not only can cause the burning of combustion gas insufficient, affects the steady operation of burner, but also can cause explosion and noise, even blasts, and security is poor.Combustion gas is from larger burning duct cathetus ejection, and effluxvelocity is low, thus flame instability while causing burning, firepower is not concentrated, and the efficiency of heating surface is low, easily occurs the inadequate phenomenon of burning.
The patent No. is the burner of ZL200920050877.6, its combustion chamber be one by the stacked hollow cylinder forming of polylith ring segment, every ring segment undulate curved surface, forms the fire jetting hole of combustion chamber between the curved surface crest of upper strata ring segment and the curved surface trough of lower floor's ring segment.This stacked air forming of ring segment and fuel gas mixer by upper and lower two-layer Sheet Metal Forming Technology processing, due to technological reason, be difficult to process very intensive fire jetting hole on blender, the machining accuracy of fire jetting hole is also lower, relative the present invention is less for fire jetting hole quantity, and total fire hole area is little, is unfavorable for the circulation of gaseous mixture and evenly mixes, be difficult to form stable gas jet, cause the thermal efficiency low.Simultaneously, blender is difficult in the position being stacked layer by layer connect closely, easily form gap, when gas passes through narrow slit, easily formation is uttered long and high-pitched sounds and is produced noise pollution, and because calorific intensity is poor, this burner combustion chamber (blender) is at high temperature distortion easily, affect the stable of gas jet, make to burn insufficient.
Summary of the invention
The object of the invention is to overcome the problem that existing fuel gas mixer exists at present, provide a kind of gas or liquid mix intensity under more fully more stable and high temperature higher a kind of gas or liquid mixer.When burner for high-power gas furnace, because combustion gas and air mix full and uniformly, its burning is more fully more stable, and without howling, burner is not yielding, finally reaches the object of energy-conserving and environment-protective minimizing noise.
The object of the invention to solve the technical problems realizes by the following technical solutions:
A kind of fuel gas mixer of the present invention is the multi-layer porous hollow cylinder structure (2) being spliced of a multi-disc, by 2 ~ 30 layers, be combined into one structure, every layer is spliced by 2 ~ 7 annular elements (1) is a donut, every sector has by separated 15 ~ 200 passages of boss (6) that wait width in a side, passage (6) is inner small and outside big groove (5), the groove (5) of width such as also can be, the imaginary circles of the fixed size in horizontal plane in each groove (5) center line and annulus is tangent, every is designed with 3 ~ 50 pairs of uniform alignment pins (4) and locating hole (3) at top and bottom correspondence position, every layer of alignment pin (4) and locating hole (3) are staggered the splicing and combining of angle and become one structure, gaseous mixture or mixing material enter internal cavities in the hole by this invention blender outside, form the liquid stream of stable eddy airstream or stable state.
Described fuel gas mixer is the hollow cylinder structure that a multilayer multi-disc porous is spliced.
Described hollow cylinder structure, is by 2 ~ 30 layers of annular element that angle is staggered to be spliced.
Described annular element, is spliced by 2 ~ 7 annular elements, also can be one integral ring-shaped.
Described monolithic annular element, every annular element is designed with 3 ~ 50 pairs of uniform alignment pins and locating hole at top and bottom correspondence position, and the splicing of hollow cylinder structure relies on alignment pin and locating hole to complete.
Described monolithic annular element, it is characterized in that: every annular element has by separated 15 ~ 200 passages of boss that wait width in a side, passage be inner small and outside big or etc. the groove of width, the imaginary circles of the fixed size in horizontal plane in each groove center line and annular element is tangent.
Described passage, the shape in hole can be the shapes such as trapezoidal, circular, oval, square or triangle.
Described hollow cylinder structure, hollow cylinder structure can integral sinteredly form, or after monolithic sintering, is assembled into one and welds or be bolted connection and form.
Blender of the present invention at least has following advantage: blender passage of the present invention in horizontal plane at an angle vortex arrange, the quantity in hole can be 15-200, being convenient to different gas or liquid can mix, when entering blender, gas or liquid can under the effect at groove, form the jet that nature vortex makes progress simultaneously, when the present invention is used for powerful gas stove burner, make burning more abundant, improve the thermal efficiency of high-power gas furnace, reduce air consumption, reach the object of energy-conserving and environment-protective.Meanwhile, the present invention forms by powder metallurgy is integral sintered, be assembled into one after also can monolithic sintering and weld or be bolted connection and form, and connects closely gapless, a difficult problem of having uttered long and high-pitched sounds while having solved gas by narrow slit between every layer; Simultaneously blender of the present invention has good intensity and heat-resisting ability, the distortion while effectively having prevented high temperature, and compact conformation of the present invention, outward appearance are bright and clean, are convenient to clean.
Accompanying drawing explanation
Fig. 1 is overall schematic
Fig. 2 is front view, left view and the top view of monolithic annular element
Fig. 3 is to be the structural representation that several annular elements are spliced into one deck donut
Fig. 4 is the mixer structure figure being mounted to after multilayer
In figure: 1, annular element; 2, hollow cylinder structure; 3, locating hole; 4, alignment pin; 5, groove; 6, passage.
concrete case study on implementation
By powder forming technology, shaping annular element (5), then to be spliced be an individual layer donut to three annular elements, staggered 40 ° of annular element is mounted to the hollow cylinder (2) of 13 layers by alignment pin (4) and locating hole (3), hollow cylinder (2) is to be sintered into one after the monolithic through powder metallurgy formation is spliced into integral body.99 of the quantity of every one deck passage, have 3 pairs of locating holes (3) and alignment pin (4) on every, and the passage (6) on annular element (5) is trapezoidal hole.Mist or mixing material enter the inside of hollow cylinder from hollow cylinder outside passage at an angle, form stable eddy airstream or liquid stream.
Above example and accompanying drawing 1 ~ 3rd, to explanation of the present invention, do not form limiting the scope of the invention.The present invention can also have the multiple variation being equal to or distortion on the basis of described enforcement, and for example, the passage (6) on annular element (5) is for waiting groove of width, and the profile in hole can be trapezoidal, square, rectangle, triangle, circle or oval etc.; Burner can integral sinteredly form, and is assembled into one after also can monolithic sintering and welds or be bolted connection and form.The variation of all covering claim technical characterictics or distortion all belong to protection scope of the present invention.
A kind of fuel gas mixer of the present invention, its material is stainless steel or acid bronze alloy or nickel-base alloy or Hastelloy or oxide ceramics or non-oxide ceramics, when selecting stainless steel the preferential material trade mark be 304,304L, 316,316L, 17-4PH.

Claims (8)

1. a kind of fuel gas mixer of the present invention is the multi-layer porous hollow cylinder structure (2) being spliced of a multi-disc, by 2 ~ 30 layers, be combined into one structure, every layer is spliced by 2 ~ 7 annular elements (1) is a donut, every sector has by separated 15 ~ 200 passages of boss (6) that wait width in a side, passage (6) is inner small and outside big groove (5), the groove (5) of width such as also can be, the imaginary circles of the fixed size in horizontal plane in each groove (5) center line and annulus is tangent, every is designed with 3 ~ 50 pairs of uniform alignment pins (4) and locating hole (3) at top and bottom correspondence position, every layer of alignment pin (4) and locating hole (3) are staggered the splicing and combining of angle and become one structure, gaseous mixture or mixing material enter internal cavities in the hole by this utility model blender outside, form the liquid stream of stable eddy airstream or stable state.
2. a kind of fuel gas mixer according to claim 1, is characterized in that: be the hollow cylinder structure that a multilayer multi-disc porous is spliced.
3. hollow cylinder structure according to claim 1 (2), is characterized in that: by 2 ~ 30 layers of annular element (1), be that angle is staggered to be spliced.
4. annular element according to claim 2 (1), is characterized in that: by 2 ~ 7 annular elements (5), be spliced, also can be one integral ring-shaped.
5. monolithic annular element according to claim 3 (5), it is characterized in that: every annular element is designed with 3 ~ 50 pairs of uniform alignment pins (4) and locating hole (3) at top and bottom correspondence position, the splicing of hollow cylinder structure (2) relies on alignment pin (4) and locating hole (3) to complete.
6. monolithic annular element according to claim 3 (5), it is characterized in that: every annular element has by separated 15 ~ 200 passages of boss that wait width in a side, passage be inner small and outside big or etc. the groove of width, the imaginary circles of the fixed size in horizontal plane in each groove center line and annular element (1) is tangent.
7. passage according to claim 5, is characterized in that: the shape in hole can be the shapes such as trapezoidal, circular, oval, square or triangle.
8. hollow cylinder structure according to claim 1, is characterized in that: hollow cylinder structure can integral sinteredly form, or after monolithic sintering, is assembled into one and welds or be bolted connection and form.
CN201310187039.4A 2013-05-20 2013-05-20 Fuel gas mixer Pending CN103591586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310187039.4A CN103591586A (en) 2013-05-20 2013-05-20 Fuel gas mixer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310187039.4A CN103591586A (en) 2013-05-20 2013-05-20 Fuel gas mixer

Publications (1)

Publication Number Publication Date
CN103591586A true CN103591586A (en) 2014-02-19

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CN201310187039.4A Pending CN103591586A (en) 2013-05-20 2013-05-20 Fuel gas mixer

Country Status (1)

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CN (1) CN103591586A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105967146A (en) * 2016-07-11 2016-09-28 南通星球石墨设备有限公司 Gas distribution graphite component for hydrochloric acid synthesis furnace
DE102021109835A1 (en) 2021-04-19 2022-10-20 Vaillant Gmbh Burner body for a heating device and shaped body and method for producing a jacket of a burner body

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054038B (en) * 1951-05-30 1959-04-02 Bataafsche Petroleum Burners with premixing of combustible gas with combustion air
EP0950853A2 (en) * 1998-04-18 1999-10-20 Bray Technologies Plc Improvements relating to fuel/air pre-mixed burners
CN1603684A (en) * 2004-10-29 2005-04-06 王予意 Sheet string type fire tier for gas combustor
DE202007018472U1 (en) * 2007-03-31 2008-08-21 Robert Bosch Gmbh Premixing gas burner
CN102734797A (en) * 2011-04-15 2012-10-17 应哲林 Household forced full pre-mixing energy-saving burning device
CN102840581A (en) * 2012-09-29 2012-12-26 宋涛 Premixing energy-saving cooking range

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054038B (en) * 1951-05-30 1959-04-02 Bataafsche Petroleum Burners with premixing of combustible gas with combustion air
EP0950853A2 (en) * 1998-04-18 1999-10-20 Bray Technologies Plc Improvements relating to fuel/air pre-mixed burners
CN1603684A (en) * 2004-10-29 2005-04-06 王予意 Sheet string type fire tier for gas combustor
DE202007018472U1 (en) * 2007-03-31 2008-08-21 Robert Bosch Gmbh Premixing gas burner
CN102734797A (en) * 2011-04-15 2012-10-17 应哲林 Household forced full pre-mixing energy-saving burning device
CN102840581A (en) * 2012-09-29 2012-12-26 宋涛 Premixing energy-saving cooking range

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105967146A (en) * 2016-07-11 2016-09-28 南通星球石墨设备有限公司 Gas distribution graphite component for hydrochloric acid synthesis furnace
DE102021109835A1 (en) 2021-04-19 2022-10-20 Vaillant Gmbh Burner body for a heating device and shaped body and method for producing a jacket of a burner body

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Application publication date: 20140219