CN206222309U - The ultralow indole energy rod of industrial combustion gas - Google Patents

The ultralow indole energy rod of industrial combustion gas Download PDF

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Publication number
CN206222309U
CN206222309U CN201621259706.0U CN201621259706U CN206222309U CN 206222309 U CN206222309 U CN 206222309U CN 201621259706 U CN201621259706 U CN 201621259706U CN 206222309 U CN206222309 U CN 206222309U
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rod
combustion
combustion gas
flame
gas
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CN201621259706.0U
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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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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model discloses the ultralow indole energy rod of industrial combustion gas, belong to gas combustion apparatus technical field, the rod is the hollow structure of taper, in the inwall vertically spiral helicine combustion gas skewed slot of spaced set, the uniform combustion hole on rod of rod.The ultralow indole energy rod of industrial combustion gas of the present utility model, makes premixed gas be preheated in advance in conical pipe, strengthen burning speed;Because rod is placed in flame, the radiation of heat energy can be increased;Burner port on rod can increase flame combustion area, reduce area of flame localized hyperthermia, reach drop nitrogen effect.

Description

The ultralow indole energy rod of industrial combustion gas
Technical field
The utility model belongs to gas combustion apparatus technical field, and in particular to the ultralow indole energy rod of industrial combustion gas.
Background technology
At present, in industrial production in all industrial productions with combustion gas as heat energy, many Large-scale Heaters are due to body of heater mistake Height, heated medium is limited by flame height, causes bottom temp burner its combustion system premix direct-injection two nothing more than Kind of mode, both combustion systems because can not accurately grasp the uniformity of air-fuel mixed proportion and mixing, cause combustion gas excessively or Air is excessive, causes fuel or hot loss of energy, meanwhile, nitrogen oxides in effluent is too high, meanwhile, too high head temperature is excessively low It is heated uneven situation, influences the thermal efficiency.
The height of flame is improved frequently with sectional combustion and raising gaseous-pressure at present, but this method wastes combustion gas Uniform conductive can not be reached, the effect of the thermal efficiency is improved.
Utility model content
Utility model purpose:The purpose of this utility model is to provide the ultralow indole energy rod of industrial combustion gas, not only can be with Height according to body of heater adjusts the height of flame, at the same combustion gas that can be in preheated burning rod breather pipe, strengthen burning effect, while Insertion rod can play the radiation function of heat.
Technical scheme:In order to realize above-mentioned utility model purpose, the utility model is adopted the following technical scheme that:
The ultralow indole energy rod of industrial combustion gas, the rod is the hollow structure of taper, in described rod The wall vertically spiral helicine combustion gas skewed slot of spaced set, the uniform combustion hole on described rod.
Rod linkage section is provided with the top of described rod, rod linkage section peripheral hardware external screw thread connects with combustion head Connect section docking.
It is provided with the bottom of described rod and pours linkage section, is fixed on premix barrel for pouring.
Described burner port is set obliquely, and it is distributed in vertical direction with acute angle.
Operation principle:When the mixed gas that premix barrel is sent out enter rod inner chamber, in the presence of inside and outside differential pressure, one Gaseous mixture is divided to be sprayed from bottom venthole, while the reduction of rod inner chamber pressure difference, but the tapered contraction of rod, shrink shape Into pressure compensate for the pressure drop of outlet, make next part gaseous mixture still keep larger pressure difference to spray.Simultaneously as rod Venthole is opened in combustion gas skewed slot, and venthole opening is at an acute angle with longitudinal direction.Therefore, the flame of ejection just forms rotary combustion.It is whole Individual rod flame is in tree form distribution.
Beneficial effect:Compared with prior art, the ultralow indole energy rod of industrial combustion gas of the present utility model, makes premix gas Body is preheated in advance in conical pipe, strengthen burning speed;Because rod is placed in flame, the radiation of heat energy can be increased;Burning Burner port on rod can increase flame combustion area, reduce area of flame localized hyperthermia, reach drop nitrogen effect;Can be according to production work The need for skill, the height of flame is adjusted, greatly improve rate of heat exchange, solving cannot be by flame adjusting to ideal in industrial production The problem of height.
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 including the ultralow nitrogen energy-saving burner of industrial combustion gas of rod;
Fig. 6 is the structural representation of the not ultralow nitrogen energy-saving burner of industrial combustion gas including rod;
Fig. 7 is the structural representation of the cross section of the ultralow nitrogen energy-saving burner of industrial combustion gas.
Specific 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 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 outlet 13 of linkage section, gas spray head 14,15, three air distribution outlets 16 of secondary air distribution outlet, 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, the insulation of burner shell 32, ceramic wool (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 and are 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 be docked 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 rises by becoming curl after the ventilation path of the Openworks shape of spiral, burning.
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 For it has wholesome effect to flame holding, combustion intensity and burner performance.Till now, industrial system all makes Swirling type burner high is used, wherein it is sufficiently high by the swirling motion of injector (or burner) generation, with the entrance of burner Place produces interior recirculation region, and 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.Conversely, 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 reduction 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, be provided with by a diameter of Four tangential air cyclone parts of small angled nozzle composition of 0.7cm, the reactant of given fuel-air equivalent proportion is supplied The bottom of pipe should be arrived, after turbulent flow produces plate, reaction stream is interacted 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 burner is flowed out, from Mental and physical efforts cause stream to expand and dissipate due to rotary motion.This divergent flow have by vortex cover around non-eddy flow core gradually under OK.In non-eddy flow prostheses, unfavorable average axial pressure gradient with linear reduction average axial velocity, the speed Degree " gug " provides highly stable flow structure for premixing turbulent flow, and flame is freely propagated and is positioned at local velocity Equal to and with the opposite position of flame speed.Flame will not flash back burner, because it 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 region wide 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 undergone for flame.
As Figure 2-3, rod 8 makes according to gaseous-pressure and gas dynamics principle design, 8 one-tenth cones of rod 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 into first passing through a spiral after rod 8, then by the secondary spiral of helical raised 5, using the inertia of gas, Improve efficiency of combustion.The uniform combustion hole 11 on rod 8, burner port 11 is 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 premix barrel 35 for pouring.
The operation principle of rod 8:Rod 8 is placed among flame, under fired state flame in tree-shaped, rod 8 Length can carry out the making of length size according to specific production technology, one is because flame height is not enough in solving industrial production, The low problem of heated medium efficiency, not only effectively lifts flame height, simultaneously as be placed in flame burning, improves rod 8 Heat radiation effect, be conducive to thermal energy exchange;Two is to solve the too high problem of nitrogen oxides in industrial production, is contained in air 78% nitrogen, is inert gas under usual condition, only reaches 800 DEG C Celsius, and with the rising of temperature, activity is increasingly Height, peak is reached at 1300 DEG C Celsius, and nitrogen becomes nitrogen-atoms, and the oxygen in contention air forms oxynitrides, at present Ordinary combustion device flame is excessively concentrated, and flame local temperature is too high, even if causing 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 and excessively concentrates the flame local temperature mistake for causing Height, increases burning area, reduces 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 entrance of first blast pipe 22 Mouth 13, sets gradually secondary air distribution outlet 15 and three air distribution outlets 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, initial mixed more by air distribution outlet 13,15, three air distributions for air distribution outlet 16 of secondary air distribution outlet Gas is closed, to the inward eddy propulsion propulsion of premix section 17.The design of section 17 is premixed, it is dynamic with reference to turbulent closure scheme, jet mixing and combustion gas Theory of mechanics, using expansion segment 20, the advection section 21 and contraction section 18 of different angles, makes gaseous mixture reach optimal mixing and stirs 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 It is 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 is just more closed Reason.
Fig. 5 is the structural representation for including the ultralow nitrogen energy-saving burner of industrial combustion gas of 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, can use premix barrel 35, rod 8 and (such as petroleum chemical heating furnace, the large-tonnage combustion gas of first 1 combination of spiral combustion Boiler etc.);For heating furnace (kiln), space is less, less demanding to the length of flame (height), can be using 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 that setting is used cooperatively It is shown), taper regulating valve 29 is provided with gas chamber 28, in the combustion gas that gas chamber 28 passes through 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, need to carry out a certain group of combustion unit the adjustment of air demand also dependent on 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 is connected with air distribution outlet 13,15, three air distribution outlets 16 of secondary air distribution outlet, 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, each fuel element bag in Fig. 5 in insulating refractory pouring material 34 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 Industry the combustion gas ultralow design of indole energy burner internal 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 suddenly and set.Light kept burning day and night fighting put in stove fire rod by fire hole 26, open air blast Machine, air enters air-inlet chamber 23 through air inlet 30, and opens air compartment control dividing plate, admits air into premix barrel 35;Meanwhile, open combustion Air valve, combustion gas enters gas chamber 28, opens taper regulating valve 29, and combustion gas and air mixing reach uniformly, and gaseous mixture is through premix barrel 35 enter rod 8, and burner port 11 of a part of gaseous mixture from the barred body of rod 8 overflows, and another part gaseous mixture is admitted to Spiral combustion first 1, forms rotational alignment and sprays, and ignition is started through naked light (fire rod flame).Fired in rod 8 and spiral Burn first 1 and start burning, flame combustion situation can be observed by peep hole 27.Regulation taper regulating valve 29 and air compartment control panel, Combustion position is further adjusted to optimum combustion regime.The rod flame for completing ignition occurs following two feelings Condition:1) yellow is waved flame, illustrates 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, yellow flame is had no, whole flame, in pale blue is transparent or Chinese red, is 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, should adjust air compartment to control valve, reduce air quantity delivered, until flame is in optimum state.
The course of work of device in Fig. 6:Light kept burning day and night fighting put in stove fire rod by fire hole 26, open air blast Machine, air enters air-inlet chamber 23 through air inlet 30, and opens air compartment control dividing plate, admits air into premix barrel 35;Meanwhile, open combustion Air valve, combustion gas enters gas chamber 28, opens taper regulating valve 29, and combustion gas and air mixing reach uniformly, and gaseous mixture is through premix barrel 35 start burning into spiral combustion first 1, and flame combustion situation can be observed by peep hole 27.

Claims (4)

1. the ultralow indole energy rod of industrial combustion gas, it is characterised in that:The rod (8) is the hollow structure of taper, described Rod (8) the inwall vertically spiral helicine combustion gas skewed slot (9) of spaced set, it is uniform on described rod (8) Burner port (11).
2. the ultralow indole energy rod of industrial combustion gas according to claim 1, it is characterised in that:In described rod (8) rod linkage section (10) is provided with the top of, rod linkage section (10) peripheral hardware external screw thread is right with combustion head linkage section (7) Connect.
3. the ultralow indole energy rod of industrial combustion gas according to claim 1, it is characterised in that:In described rod (8) bottom is provided with and pours linkage section (12), is fixed on premix barrel (35) for pouring.
4. the ultralow indole energy rod of industrial combustion gas according to claim 1, it is characterised in that:Described burner port (11) Set obliquely, it is distributed in vertical direction with acute angle.
CN201621259706.0U 2016-11-11 2016-11-11 The ultralow indole energy rod of industrial combustion gas Active CN206222309U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110360551A (en) * 2018-04-09 2019-10-22 江苏弗雷姆环境科技有限公司 Industrial combustion gas is from heating energy-saving burner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110360551A (en) * 2018-04-09 2019-10-22 江苏弗雷姆环境科技有限公司 Industrial combustion gas is from heating energy-saving burner

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Effective date of registration: 20191224

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: 20201231

Address after: Room 1112, northeast building, Ronghe building, 11188 East Taihu Avenue, East Taihu eco tourism resort, Wujiang District, Suzhou City, 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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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, East Taihu eco tourism resort, Wujiang District, Suzhou City, Jiangsu Province, 215200

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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