CN206803163U - The ultralow indole energy spiral combustion head of industrial combustion gas - Google Patents

The ultralow indole energy spiral combustion head of industrial combustion gas Download PDF

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Publication number
CN206803163U
CN206803163U CN201621217768.5U CN201621217768U CN206803163U CN 206803163 U CN206803163 U CN 206803163U CN 201621217768 U CN201621217768 U CN 201621217768U CN 206803163 U CN206803163 U CN 206803163U
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wall
combustion
ultralow
spiral
gas
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CN201621217768.5U
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李志友
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Jiangsu Fuleimu Environment Technology Co ltd
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Jiangsu Frame Environment Technology Co
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Abstract

The utility model discloses the ultralow indole energy spiral combustion head of industrial combustion gas, belong to gas combustion apparatus technical field, the spiral combustion head includes fire output hole, cylindrical outer wall, cylindrical inner wall and helical raised, cylindrical inner wall, cylindrical outer wall and cylindrical inner wall are arranged in the inside of cylindrical outer wall are connected by helical raised be integrally formed formula structure;In the uniform venthole in the bottom of cylindrical inner wall;Fire output hole is provided with the top of cylindrical outer wall, combustion head linkage section is provided with the bottom of cylindrical outer wall.Spiral combustion head of the present utility model, flame is produced the rotation of fixed-direction, strengthen rate of heat exchange, improve the utilization rate of heat energy, Simultaneous Stabilization flame velocity, prevent from being tempered, take off fire.

Description

The ultralow indole energy spiral combustion head of industrial combustion gas
Technical field
The utility model belongs to gas combustion apparatus technical field, and in particular to the ultralow indole energy spiral combustion of industrial combustion gas Head.
Background technology
The direct injection combustion mode of prior art is the most frequently used combustion system also most generally used in current industrial production, Safety, reliably.But due to easily causing excessive fuel, produce substantial amounts of nitrogen oxides, carbon monoxide, both cause environmental pollution, Combustion gas is wasted again, and the excess of air also results in the heat that substantial amounts of tail gas is taken away.At present, air is commonly used in domestic industry production The surface temperature of flame is reduced with combustion gas, has reached and has dropped ultralow NO_x formation (i.e. super low NO), and this drop Nitrogen mode be so that more thermal waste combustion gas are lost as cost, meanwhile, it is this drop nitrogen mode to high temperature production, (such as petrochemical industry is split Solution stove, glass furnace) it can not realize.
Utility model content
Purpose of utility model:The purpose of this utility model is to provide the ultralow indole energy spiral combustion head of industrial combustion gas, makes fire Flame produces the rotation of fixed-direction, strengthens rate of heat exchange.
Technical scheme:In order to realize above-mentioned purpose of utility model, the utility model adopts the following technical scheme that:
The ultralow indole energy spiral combustion head of industrial combustion gas, the spiral combustion head include fire output hole, cylindrical outer wall, cylindrical inner wall And helical raised, cylindrical inner wall is arranged in the inside of described cylindrical outer wall, cylindrical outer wall and cylindrical inner wall pass through helical form Projection, which is connected, is integrally formed formula structure;In the uniform venthole in the bottom of described cylindrical inner wall;Set at the top of cylindrical outer wall There is fire output hole.
Described helical raised is helicla flute or helical blade, and helicla flute or helical blade are set in qually spaced in post Between shape outer wall and cylindrical inner wall, the ventilation path of the Openworks shape of spiral is formed.
Described cylindrical outer wall and cylindrical inner wall is cylindrical.
Combustion head linkage section is provided with the bottom of described cylindrical outer wall.
Internal thread is set in described combustion head linkage section.
Beneficial effect:Compared with prior art, the ultralow indole energy spiral combustion head of industrial combustion gas of the present utility model, makes fire Flame produces the rotation of fixed-direction, strengthens rate of heat exchange, improves the utilization rate of heat energy, Simultaneous Stabilization flame velocity, prevent Tempering, de- fire.
Brief description of the drawings
Fig. 1 is the structural representation of the ultralow indole energy spiral combustion head of industrial combustion gas;
Fig. 2 is the structural representation of the ultralow indole energy rod of industrial combustion gas;
Fig. 3 is the cross-sectional structure schematic diagram of the ultralow indole energy rod of industrial combustion gas;
Fig. 4 is the structural representation of the ultralow indole energy premix barrel of industrial combustion gas;
Fig. 5 is the structural representation for the ultralow nitrogen energy-saving burner of industrial combustion gas for including rod;
Fig. 6 is the structural representation for the ultralow nitrogen energy-saving burner of industrial combustion gas for not including rod;
Fig. 7 is the structural representation of the cross section of the ultralow nitrogen energy-saving burner of industrial combustion gas.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figs. 1-7, reference is as follows:Spiral combustion is first 1, fire output hole 2, cylindrical outer wall 3, cylindrical inner wall 4, spiral Shape projection 5, venthole 6, combustion head linkage section 7, rod 8, combustion gas skewed slot 9, rod linkage section 10, burner port 11, pour 12, air distribution outlets 13 of linkage section, gas spray head 14, secondary air distribution outlet 15, three times air distribution outlet 16, premix section 17, contraction section 18, Mixed gas outlet 19, expansion segment 20, advection section 21, air inlet pipe 22, wind chamber 23, air inlet 24, ever-burning flame pipeline 25, fire hole 26th, peep hole 27, gas chamber 28, taper regulating valve 29, air inlet 30, gas metal pipe 31, burner shell 32, ceramic wool insulation (effect is the inlet by controlling air, independent control for layer 33, insulating refractory pouring material 34, premix barrel 35, air chamber demarcation strip 36 The combustion position of fuel element processed) and ion flame detector 37.
As shown in figure 1, the ultralow indole energy spiral combustion head of industrial combustion gas, the spiral combustion first 1 includes fire output hole 2, cylindricality Outer wall 3, cylindrical inner wall 4, helical raised 5, venthole 6 and combustion head linkage section 7, cylindricality is arranged in the inside of cylindrical outer wall 3 Inwall 4, cylindrical outer wall 3 and cylindrical inner wall 4 are connected by helical raised 5 is integrally formed formula structure, and cylindrical inner wall 4 is hollow Structure, in the uniform venthole 6 in the bottom of cylindrical inner wall 4;Fire output hole 2 is provided with the top of cylindrical outer wall 3, in cylindrical outer wall 3 Bottom is provided with combustion head linkage section 7.Wherein, cylindrical outer wall 3 and cylindrical inner wall 4 are cylindrical.In combustion head linkage section 7 Internal thread is set, is easy to dock with the top of rod 8.
Wherein, helical raised 5 is helicla flute or helical blade, and helicla flute or helical blade are set in qually spaced in post Between shape outer wall 3 and cylindrical inner wall 4, the ventilation path of the Openworks shape of spiral is formed, the mixing come from the base injcction of venthole 6 Gas becomes curl after the ventilation path of the Openworks shape of spiral and rises, burns.
The operation principle of spiral combustion first 1:Spiral combustion first 1 be all for the non-premix burner of premix it is required, because There is wholesome effect to flame holding, combustion intensity and burner performance for it.Till now, industrial system all makes With high swirling type burner, wherein the swirling motion as caused by injector (or burner) is sufficiently high, with the entrance of burner Place produces interior recirculation region, for conventional non-premixed combustion, the effect of big recirculating zone (also referred to as vortex ring core), is Promote the turbulent closure scheme of fuel and air, in premixing system, recirculation regions provide anti-for the stable thermal source of continuous ignition Answer thing.
Spiral combustion first 1 provides low swirl flow combustion, and its operation principle is to make use of premixed flame " propagating wave " property Matter.To the invalid burning of Nonpremixed flames, premixed flame consumes reactant, the self-sustaining reaction ripple in the form of self-sustaining reaction ripple It is made up of mixture, thermodynamic condition and turbulence intensity are propagated under the flame speed of control.On the contrary, non-premix diffusion flame Do not propagate, because burning occurs over just the mixed zone of fuel and oxidant stream.Low vortex combustion is referred to as using fluid machinery phenomenon Divergent flow.As its name suggests, divergent flow is the flowing stream of extension.Strength of vortex reduces when it is formed so that vortex breaker, forms stream It is dynamic to invert and do not recycle.Therefore, the low vortex theory of combustion has basic difference with high-eddy concept.Vortex ring is to protect Hold and continuously rekindle the basic flowing element of flame.Using cylindrical tube, a diameter of 6cm is tested, is provided with by a diameter of The tangential air cyclone part of 0.7cm four small angled nozzle composition, the reactant of given fuel-air equivalent proportion are supplied The bottom of pipe should be arrived, after turbulent flow produces plate, reaction stream interacts with the slipstream supplied by nozzle.Air sprays The size of device is smaller so that rotary motion remains to the inwall of combustion tube and is not penetrated into center.When flowing out burner, from Mental and physical efforts cause stream to expand and dissipate due to rotary motion.Under this divergent flow has the non-eddy flow core surrounded by vortex cover gradual OK.In non-eddy flow prostheses, unfavorable average axial pressure gradient is with the average axial velocity of linear reduction, the speed Degree " gug " provides highly stable flow structure for premixing turbulent flow, and flame is freely propagated and is positioned at local velocity It is equal to and the opening position opposite with flame speed.Flame will not flash back burner, because it, which can not be propagated, must compare burner outlet The speed at place is fast.Blowing-out is also eased, because the non-eddy flow core in center provides the wide region of flame natural subsidence.It is prior It is, more than the movement that mixture inhomogeneities or slight flowing transition only cause flame location so that flame-out possibility is most Smallization, this is a powerful self-regulating mechanism, and the change of transient state and mixture flox condition is subjected to for flame.
As Figure 2-3, rod 8 designs and produces according to gaseous-pressure and gas dynamics principle, and rod 8 is into cone Shape, rod 8 includes combustion gas skewed slot 9, rod linkage section 10, burner port 11 and pours linkage section 12, in the inwall of rod 8 The spiral helicine combustion gas skewed slot 9 of spaced set, the hand of spiral of combustion gas skewed slot 9 is identical with the hand of spiral of helical raised 5, makes Combustion gas enter rod 8 after first pass through a spiral, then the secondary spiral by helical raised 5, using the inertia of gas, Improve efficiency of combustion.The uniform combustion hole 11 on rod 8, burner port 11 are set obliquely, and it is in vertical direction with acute angle point Cloth so that gas sprays upwards after passing through burner port 11, improves efficiency of combustion.
Rod linkage section 10 is provided with the top of rod 8, the peripheral hardware external screw thread of rod linkage section 10 connects with combustion head Section 7 is connect to dock.It is provided with the bottom of rod 8 and pours linkage section 12, is fixed on for pouring on premix barrel 35.
The operation principle of rod 8:Rod 8 is placed among flame, and flame is in tree-shaped under fired state, rod 8 Length can carry out the making of length size according to specific production technology, one is solve because flame height is insufficient in industrial production, The low problem of heated medium efficiency, flame height is not only effectively lifted, is burnt simultaneously as being placed in flame, improve rod 8 Heat radiation effect, be advantageous to thermal energy exchange;Second, solving the problem that nitrogen oxides is too high in industrial production, contain in air 78% nitrogen, it is inert gas under usual condition, only reaches 800 DEG C Celsius, and with the rise of temperature, activity is increasingly Height, peak is reached at 1300 DEG C Celsius, nitrogen becomes nitrogen-atoms, the oxygen fought in air, forms oxynitrides, at present Ordinary combustion device flame is excessively concentrated, and flame local temperature is too high, is caused in the case of 500-800 DEG C of technological requirement Also a large amount of nitrogen oxides can be produced, the utility model of rod 8 solves flame local temperature mistake caused by flame is excessively concentrated Height, burning area is increased, reduce the formation of nitrogen oxides.
Premix barrel 35 includes at least one blast pipe 22 and at least one section premix section 17, and often section premix section 17 includes expansion Section 20, advection section 21 and contraction section 18.As shown in Figure 4, it is illustrated that premix barrel 35 includes three section premix sections of blast pipe 22 and two 17, three blast pipes 22 are connected with two section premix sections 17 again after docking successively, and an air distribution is set in the first entrance of blast pipe 22 Mouth 13, sets gradually secondary air distribution outlet 15 and three times air distribution outlet 16 from bottom to top between adjacent blast pipe 22;In blast pipe 22 Porch is provided with gas spray head 14, and gas spray head 14 is three, is distributed on the porch of blast pipe 22.Lead between adjacent blast pipe 22 Clevis coupler is crossed to be connected.
The operation principle of premix barrel 35:Gas spray head 14 is theoretical using vortex mixed in 120 ° of distributions, make injection direction with Vertical direction forms an angle, more by an air distribution outlet 13, secondary air distribution outlet 15, air distribution outlet 16 three times air distribution, it is initial mixed Gas is closed, is promoted to the premix inward eddy of section 17.The design of section 17 is premixed, is moved with reference to turbulent closure scheme, jet mixing and combustion gas Theory of mechanics, using the expansion segment 20 of different angle, advection section 21 and contraction section 18, gaseous mixture is reached optimal mixing and stir evenly Effect.At present, burner is generally used with the aeriferous combustion system of combustion gas in industrial production, and the utility model premix barrel 35 use with air driven combustion gas, and air is main pipeline gas, because the oxygen (natural gas in large quantity of air required for fuel gas buring For 1:10, oil gas 1:20, manufactured gas, manufactured fuel gas 1:4.6) being sufficiently mixed for this ratio is realized, this intake method just more closes Reason.
Fig. 5 is the structural representation for the ultralow nitrogen energy-saving burner of industrial combustion gas for including rod;Fig. 6 is not include burning The structural representation of the ultralow nitrogen energy-saving burner of industrial combustion gas of rod;For large space heating furnace (kiln), due to the length of flame and Insufficient height, premix barrel 35, rod 8 and spiral combustion first 1 combination (such as petroleum chemical heating furnace, large-tonnage combustion gas can be used Boiler etc.);For heating furnace (kiln), space is little, less demanding to the length of flame (height), can use premix barrel 35 plus spiral The combination (such as metallurgical calciner, fine chemistry industry heating furnace, small tonnage gas fired-boiler) of combustion head 1.
The bottom of the ultralow nitrogen energy-saving burner of industrial combustion gas sets wind chamber 23 and gas chamber 28, below gas chamber 28 successively Air inlet 24, ever-burning flame pipeline 25, fire hole 26, peep hole 27 and (such as Fig. 7 of ion flame detector 37 being used cooperatively are set It is shown), taper regulating valve 29 is provided with gas chamber 28, the combustion gas in gas chamber 28 by gas metal pipe 31 and premix barrel 35 Shower nozzle 14 is connected, and each fuel element can be independently controlled by taper regulating valve 29, i.e., can be opened according to production needs Or a certain group of fuel element is closed, meanwhile, it can also be needed to carry out a certain group of combustion unit the adjustment of air demand according to production.Wind Room control panel coordinates the regulating valve of taper regulating valve 29 to do air supply adjustment and close.Air inlet 30 is connected with wind chamber 23, wind Chamber 23 with an air distribution outlet 13, secondary air distribution outlet 15, air distribution outlet 16 is connected three times, real-time air distribution.
The outside of the ultralow nitrogen energy-saving burner of industrial combustion gas sets gradually insulating refractory pouring material 34, ceramic wool from inside to outside Heat-insulation layer 33 and burner shell 32, pour fixed combustion unit in insulating refractory pouring material 34, each fuel element bag in Fig. 5 Include premix barrel 35, rod 8 and spiral combustion first 1;Each fuel element includes premix barrel 35 and spiral combustion first 1 in Fig. 6;Work The ultralow indole energy burner internal design combustion gas of industry combustion gas and air separate chambers, each burner have three independent air-fuel rooms, 13- 15 fuel elements.Each fuel chamber and air chamber can control 3-4 fuel element, can be by closing and opening some independence Control room controls the watt level of burner, to meet different load requirement in manufacturing technique requirent.
Premix barrel 35 is fixed using fire resisting, heat insulating casting material, and rod 8 and spiral combustion first 1 are by being resistant to 2000 DEG C of high temperature Material make.
Fig. 5 shown device courses of work:Ever-burning flame pipeline 25 is independently of main combustible pipe road, is to prevent main combustible pipe The safety device that road is stopped the supple of gas or steam and set suddenly.Light kept burning day and night fight to put in fire rod in stove by fire hole 26, open air blast Machine, air enter air-inlet chamber 23 through air inlet 30, and open air compartment control dividing plate, admit air into premix barrel 35;Meanwhile open combustion Air valve, combustion gas enter gas chamber 28, open taper regulating valve 29, and combustion gas and air mixing reach uniform, and gaseous mixture is through premix barrel 35 enter rod 8, and a part of gaseous mixture is overflowed from the burner port 11 on the barred body of rod 8, and another part gaseous mixture is admitted to Spiral combustion first 1, forms rotational alignment and sprays, and starts ignition through naked light (fire rod flame).Fired in rod 8 and spiral Burn first 1 to start to burn, flame combustion situation can be observed by peep hole 27.Taper regulating valve 29 and air compartment control panel are adjusted, Combustion position is further adjusted to optimum combustion regime.Following two feelings occur in the rod flame for completing ignition Condition:1) yellow is waved flame, is illustrated that combustion gas is excessive, is combustion gas burn incompletely.At this moment, should by adjusting taper regulating valve 29, Fuel gas supply amount is reduced, until flame is upright and outspoken strong, has no yellow flame, whole flame is in pale blue is transparent or Chinese red, for most Good fired state;2) flame is in light blue, but rigidity is bad, and unstable, this is air excess, and instrument can show oxygen in now tail gas Too high levels, at this moment, air compartment control valve should be adjusted, air quantity delivered be reduced, until flame is in optimum state.
The course of work of device in Fig. 6:Light kept burning day and night fight to put in fire rod in stove by fire hole 26, open air blast Machine, air enter air-inlet chamber 23 through air inlet 30, and open air compartment control dividing plate, admit air into premix barrel 35;Meanwhile open combustion Air valve, combustion gas enter gas chamber 28, open taper regulating valve 29, and combustion gas and air mixing reach uniform, and gaseous mixture is through premix barrel 35 start to burn into spiral combustion first 1, and flame combustion situation can be observed by peep hole 27.

Claims (4)

1. the ultralow indole energy spiral combustion head of industrial combustion gas, it is characterised in that:The spiral combustion head (1) includes fire output hole (2), post Shape outer wall (3), cylindrical inner wall (4) and helical raised (5), cylindrical inner wall is arranged in the inside of described cylindrical outer wall (3) (4), cylindrical outer wall (3) is connected with cylindrical inner wall (4) by helical raised (5) is integrally formed formula structure;In described post The uniform venthole in bottom (6) of shape inwall (4);Fire output hole (2) is provided with the top of cylindrical outer wall (3);Described helical form is convex It is helicla flute or helical blade to play (5), and helicla flute or helical blade are set in qually spaced in cylindrical outer wall (3) and cylindrical inner wall (4) between, the ventilation path of the Openworks shape of spiral is formed.
2. the ultralow indole energy spiral combustion head of industrial combustion gas according to claim 1, it is characterised in that:Outside described cylindricality Wall (3) and cylindrical inner wall (4) are cylindrical.
3. the ultralow indole energy spiral combustion head of industrial combustion gas according to claim 1, it is characterised in that:In described cylindricality The bottom of outer wall (3) is provided with combustion head linkage section (7).
4. the ultralow indole energy spiral combustion head of industrial combustion gas according to claim 3, it is characterised in that:In described burning Internal thread is set in head linkage section (7).
CN201621217768.5U 2016-11-11 2016-11-11 The ultralow indole energy spiral combustion head of industrial combustion gas Active CN206803163U (en)

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Effective date of registration: 20191121

Address after: 242000 10th floor, Baihui building, Yangde Road, Shuangqiao street, Xuanzhou District, Xuancheng City, Anhui Province

Patentee after: Anhui xuanxuyuan Environmental Protection Technology Co.,Ltd.

Address before: 211806, 1-1 West Street, Qiaolin street, Pukou District, Jiangsu, Nanjing

Patentee before: JIANGSU FULEIMU ENVIRONMENT TECHNOLOGY CO.,LTD.

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Effective date of registration: 20201230

Address after: Room 1112, northeast building, Ronghe building, 11188 East Taihu Avenue, Suzhou east Taihu eco tourism resort (Taihu new town), Jiangsu Province, 215200

Patentee after: Suzhou borning energy saving equipment Co.,Ltd.

Address before: 242000 10th floor, Baihui building, Yangde Road, Shuangqiao street, Xuanzhou District, Xuancheng City, Anhui Province

Patentee before: Anhui xuanxuyuan Environmental Protection Technology Co.,Ltd.

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Effective date of registration: 20210720

Address after: 215200 room 316, building 2, economic service center, Financial Plaza, No. 93, Guoxin East Road, Guoxiang street, development zone, Wuzhong District, Suzhou City, Jiangsu Province

Patentee after: Suzhou zhuozhiran energy saving equipment Co.,Ltd.

Address before: Room 1112, northeast building, Ronghe building, 11188 East Taihu Avenue, Suzhou east Taihu eco tourism resort (Taihu new town), Jiangsu Province, 215200

Patentee before: Suzhou borning energy saving equipment Co.,Ltd.

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Effective date of registration: 20240124

Address after: 210000, Building 1-1, West Street, Qiaolin Street, Pukou District, Nanjing City, Jiangsu Province

Patentee after: JIANGSU FULEIMU ENVIRONMENT TECHNOLOGY CO.,LTD.

Country or region after: China

Address before: 215200 room 316, building 2, economic service center, Financial Plaza, No. 93, Guoxin East Road, Guoxiang street, development zone, Wuzhong District, Suzhou City, Jiangsu Province

Patentee before: Suzhou zhuozhiran energy saving equipment Co.,Ltd.

Country or region before: China

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