CN207379305U - Flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus - Google Patents

Flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus Download PDF

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Publication number
CN207379305U
CN207379305U CN201721192029.XU CN201721192029U CN207379305U CN 207379305 U CN207379305 U CN 207379305U CN 201721192029 U CN201721192029 U CN 201721192029U CN 207379305 U CN207379305 U CN 207379305U
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CN
China
Prior art keywords
flue gas
combustion
saving
entrance
inner cylinder
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Expired - Fee Related
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CN201721192029.XU
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Chinese (zh)
Inventor
刘效洲
朱光宇
涂腾
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Guangdong University of Technology
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Guangdong University of Technology
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Priority to CN201721192029.XU priority Critical patent/CN207379305U/en
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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 a kind of flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus, including:Furnace body, burner and heat exchanger, furnace body are equipped with the first flue and the second flue;Burner is equipped with first entrance and second entrance;Heat exchanger is equipped with high-temperature flue gas entry, cool air inlet, low-temperature flue gas outlet and hot air outlet, high-temperature flue gas entry is connected with the first flue, low-temperature flue gas outlet is connected with chimney, cool air inlet is connected with the first wind turbine, hot air outlet is connected with the first entrance of burner, and the second flue is connected with second entrance;Burner includes:Central tube, be placed on central tube outside inner cylinder, be placed on inner cylinder outside outer barrel and the truncated cone-shaped mixing chamber that is connected between outer barrel and furnace body, the first annular space formed between first entrance and the outer wall of central tube and the inner wall of inner cylinder connects, and the second annular space formed between second entrance and the outer wall of inner cylinder and the inner wall of outer barrel connects.

Description

Flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus
Technical field
The utility model is related to technical field of energy saving and environmental protection, more particularly to one kind can improve efficiency of combustion, reduce nitrogen oxidation The energy conservation and environmental protection combustion system of object discharge.
Background technology
Currently, as industrial expansion, energy prices constantly raise, environmental pollution constantly aggravates, and countries in the world environment is protected Shield department is stringent to the discharge standard requirement of Industrial Boiler/kiln.Existing boiler and kiln are the important compositions of modern industry Part is capable of providing good burning condition, in the hope of the chemical energy of fuel is released can to greatest extent simultaneously its conversion For thermal energy.Boiler and kiln will discharge substantial amounts of flue gas when working, these flue gases with higher thermal energy have been directly discharged to greatly In gas, energy is not only wasted, but also polluted environment.
The usage quantity of Industrial Boiler/kiln is larger, and existing burner is mainly reflected in there are certain drawbacks: (1), the nitrogen oxides in effluent content of discharge is larger, exacerbates environmental pollution;(2), it is not yet in effect to utilize fume afterheat, burning not Fully, efficiency of combustion is low;(3), existing burner structure design is unreasonable, causes to burn insufficient.
At present, air burns with fuel in stove generates more nitrogen oxides (NO since oxygen concentration is higherx), it is more NOxDischarge on the one hand can cause serious environmental pollution, on the other hand, NOxHuman lung can be stimulated, makes one easily infection sense The respiratory disease emitted etc, the problematic personage of respiratory system such as asthmatics can be easier to be influenced by nitrogen dioxide;It is right For children, it is impaired that nitrogen oxides is likely to result in lung's development.Research points out that sucking nitrogen oxides for a long time may result in lung Cage structure changes, but still not can determine the amount of nitrogen oxides for causing this consequence and sucking gas time.
Efficient burning and low NO as a result,xThe key issue that emission problem becomes boiler and industrial furnace burning faces.Reduce combustion Although the oxygen concentration for burning region advantageously reduces NOxDischarge, but will also tend to influence efficiency of combustion.Existing flue gas recirculation combustion Burning technology (such as Chinese patent discloses CN1844817A and CN1360192A) recycling due to partial fume, can make burning Region oxygen concentration reduces, but the circulating flue gas of the technology is derived from smokejack, and temperature is more much lower than hearth combustion flue-gas temperature, The circulating flue gas of low temperature is sent into combustion zone can reduce the temperature in the region, so as to influence the efficiency of combustion of burner.
It is neutralized in addition, chemical reaction mainly occurs with nitrogen oxides using reducing agent (ammonia, urea, alkane etc.) in industry Fall nitrogen oxides, technique mainly selective catalytic reduction method (SCR) and selective non-catalytic reduction method (SNCR) etc., ammonia with Nitrogen and water are generated after reaction of nitrogen oxides, so as to reach non-pollution discharge, but process operations are complicated, and operating cost is too It is high.
Therefore, searching is a kind of can make full use of fume afterheat, NOxDischarge capacity is low, energy-saving and environment-friendly combustion system has become One urgent problem to be solved.
The content of the invention
The purpose of this utility model is in view of the deficiency of the prior art, to provide a kind of high combustion efficiency, have a surplus Heat recovery function and the flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus that discharge amount of nitrogen oxides can be effectively reduced.
To achieve these goals, the utility model provides a kind of flue gas combustion-supporting type Energy Saving for Industrial Furnace environmental protection burning dress It puts, including:Furnace body and the burner and heat exchanger being connected with furnace body, the rear end one side of furnace body are provided with the first flue;Combustion Burner is installed on the front end of furnace body and is connected with the burner hearth of furnace body, and burner is provided with first entrance;Heat exchanger is equipped with high temperature Smoke inlet, cool air inlet, low-temperature flue gas outlet and hot air outlet, high-temperature flue gas entry is connected with the first flue, low Warm exhanst gas outlet is connected by pipeline with chimney, and cool air inlet is connected with the first wind turbine, and hot air outlet passes through hot empty Letter shoot is connected with the first entrance of burner, and the cold air in heat exchanger will be introduced by the first wind turbine by heat exchange The hot-air formed afterwards is delivered in burner for combustion-supporting;The rear end opposite side of furnace body is provided with the second flue, and burner is also Second entrance is provided with, wherein, the second flue is connected by flue gas delivery pipe with second entrance, and part high-temperature flue gas is defeated It send into burner for combustion-supporting;And burner includes:Central tube, be placed on central tube outside inner cylinder, be placed in The outer barrel of the outside of cylinder and the truncated cone-shaped mixing chamber that is connected between outer barrel and furnace body, wherein, first entrance and central tube The first annular space connection formed between outer wall and the inner wall of inner cylinder, the inner wall of the outer wall and outer barrel of second entrance and inner cylinder it Between formed the second annular space connection.
Be introduced into as a result, by the first wind turbine 20 degrees Celsius of cold air in heat exchanger in heat exchanger with 400 degrees Celsius High-temperature flue gas carry out heat exchange, 200 degrees Celsius of hot-air of formation is delivered in burner, and 120 after cooling down are Celsius The low-temperature flue gas of degree is then emitted into chimney.
Selectively, it is connected on the pipeline between low-temperature flue gas outlet and chimney and is provided with the second wind turbine so that 120 to be taken the photograph The low-temperature flue gas of family name's degree is smoothly discharged to chimney.
Selectively, flue gas delivery pipe is equipped with the 3rd wind turbine will account for the 400 of flue gas total volume 10~40% degrees Celsius High-temperature flue gas be successfully delivered to burner.
Selectively, the front end closing of inner cylinder, the rear port of neighbouring inner cylinder are provided in first annular space in connection The first annular porous plate of cylinder and central tube;At least five the first ventholes of circle are provided on the anchor ring of first annular porous plate;The The shape of one venthole is set as that ellipse and equivalent diameter are 2~3 millimeters.
Selectively, the front end closing of outer barrel, the front bulkhead of neighbouring outer barrel are provided in first annular space in connection Second annular porous plate of cylinder and central tube;At least three the second ventholes of circle are provided on the anchor ring of second annular porous plate, the The shape of two ventholes is set as that triangle or diamond shape and equivalent diameter are 5~8 millimeters.
Selectively, at least five the first ventholes of circle are radially equidistantly spaced from, and often enclose the first venthole and neighbour The first venthole of a nearly circle is staggered respectively in radial direction and circumferential direction;At least three the second ventholes of circle are radially It is equidistantly spaced from, and often encloses the second venthole and staggeredly set respectively in radial direction and circumferential direction with neighbouring second venthole of circle It puts.
Selectively, first entrance is arranged adjacent to the front bulkhead of inner cylinder and is connected in tangential direction with first annular space, The front bulkhead that second entrance is arranged adjacent to outer barrel connects in tangential direction with the second annular space.
Selectively, first entrance can be set to first annular space radially connect adjacent to the front bulkhead of inner cylinder It is logical.
Selectively, igniter and flame detector, the port of export and inner cylinder and the outer barrel of central tube are provided in central tube Port of export flush.
Selectively, first entrance is connected by connecting cylinder with hot air delivery pipe, is set on the barrel of connecting cylinder useful In being equipped with combustion gas distribution grid in the gas cylinder that gaseous fuel is introduced into burner, gas cylinder, combustion gas distribution grid is equipped with several A fuel gas hole.
Selectively, gaseous fuel selects natural gas, liquefied petroleum gas or artificial coal gas.
Selectively, fuel gas hole is triangular in shape is distributed on combustion gas distribution grid, the shape of fuel gas hole be set as triangle or Diamond hole and equivalent diameter are 1~2 millimeter.
Selectively, the port of export diameter of truncated cone-shaped mixing chamber is set as the 35% of the input end diameter of truncated cone-shaped mixing chamber ~75%, outer barrel, truncated cone-shaped mixing chamber, inner cylinder and central tube coaxial line.
Compared with prior art, the utility model has the advantages that:(1), it is combustion-supporting using hot-air so that fuel Can not only low oxygen combustion, but also can fully burn, discharge highest calorific value;(2), return draw 10~40% high-temperature flue gas For auxiliary combustion, high-temperature and low-oxygen combustion can be realized, be effectively reduced the discharge of nitrogen oxides;(3), warmed using part is high Flue gas is combustion-supporting with hot-air, can further speed up fuel combustion and improve burn-off rate, while is conducive to waste heat recovery, saves energy Source;(4), improve in efficiency of combustion raising, temperature, and fully burn under hypoxia, it is possible to reduce the nitrogen oxygen more than 40% The discharge of compound;(5) using Multilayer sleeve burner structure and using annular porous plate so that fuel, combustion-supporting gas and flue gas It can be sufficiently mixed uniformly, improve efficiency of combustion.
Description of the drawings
Fig. 1 is the organigram of the flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus of the utility model.
Fig. 2 is the organigram of the burner of the utility model.
Fig. 3 is the organigram of the first annular porous plate of the utility model.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and it is not intended that limit to the utility model System.
First, please refer to Fig.1, a kind of non-limiting embodiment according to the present utility model, the flue gas of the utility model Combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus includes:Furnace body 100, burner 200 and heat exchanger 300.
In this nonlimiting, the rear end one side of furnace body 100 is provided with the first flue 110.Burner 200 is pacified Front end loaded on furnace body 100 is simultaneously connected with the burner hearth of furnace body 100, and burner 200 is provided with first entrance 201.
Heat exchanger 300 is equipped with high-temperature flue gas entry 310, cool air inlet 320, low-temperature flue gas outlet 330 and hot-air and goes out Mouth 340, wherein, high-temperature flue gas entry 310 is connected with the first flue 110, and cool air inlet 320 is connected with the first wind turbine F1 It connects, hot air outlet 340 is connected by hot air delivery pipe L1 with the first entrance 201 of burner 200.So as to which 20 is Celsius The cold air of degree is introduced by the first wind turbine F1 in heat exchanger 300 after heat exchange, about 200 degrees Celsius of hot-air of formation It is delivered to by hot air delivery pipe L1 in burner 200 for combustion-supporting, and on the pipeline being connected with low-temperature flue gas outlet 330 The second wind turbine F2 is provided with, is drained into formed after cooling about 120 degrees Celsius at chimney 400 using the second wind turbine F2.
In this nonlimiting, the rear end opposite side of furnace body 100 is provided with the second flue 120, and burner 200 is also Second entrance 202 is provided with, the second flue 120 is connected by flue gas delivery pipe L2 with second entrance 202.As a result, using setting The 3rd wind turbine F3 on flue gas delivery pipe L2 is put, about 400 degrees Celsius of high-temperature flue gas of flue gas total volume 10~40% will be accounted for It is successfully delivered in burner 200 and is used for secondary combustion-supporting.
In this nonlimiting, as shown in Fig. 2, burner 200 includes:Outer barrel 210, truncated cone-shaped mixing chamber 220, Inner cylinder 230 and central tube 240.
In this nonlimiting, the first entrance 201 of burner 200 and the outer wall of central tube 240 and inner cylinder 230 Inner wall between the first annular space 270 that is formed connect, the second entrance 202 of burner 200 is with the outer wall of inner cylinder 230 and outside The second annular space 280 formed between the inner wall of cylinder 210 connects.
Truncated cone-shaped mixing chamber 220 is connected between outer barrel 210 and furnace body 100, and input end is connected with outer barrel 210, goes out Mouth end is connected with furnace body 100, and the port of export diameter of truncated cone-shaped mixing chamber 220 is set as the input end diameter of truncated cone-shaped mixing chamber About 50%, the diameter of the diameter and the input end of truncated cone-shaped mixing chamber 220 of outer barrel 210 is slightly same, and the diameter of inner cylinder 230 is set as About the 70% of the diameter of outer barrel 210, the diameter of central tube 240 are set as about the 30% of the diameter of inner cylinder 230.Outer barrel 210, round platform Thus 240 coaxial line of shape mixing chamber 220, inner cylinder 230 and central tube circulates convenient for gas.
As a kind of non-limiting embodiment, the front end of inner cylinder 230 is closed, and the rear port of neighbouring inner cylinder 230 is in first The first annular porous plate 250 of connection inner cylinder 230 and central tube 240 is provided in annular space 270.As shown in figure 3, the first ring Be provided with six the first ventholes of circle 251 on the anchor ring of shape porous plate 250, the shape of the first venthole 251 be set as ellipse and Equivalent diameter is 2~3 millimeters, moreover, six the first ventholes 251 of circle are radially equidistantly spaced from, and often encloses the first outlet Hole 251 is staggered respectively with the first venthole 251 of a neighbouring circle in radial direction and circumferential direction.
The front bulkhead of neighbouring outer barrel 210 is in being provided with connection inner cylinder 230 and central tube 240 in first annular space 270 Second annular porous plate 260.At least three the second ventholes 261 of circle are provided on the anchor ring of second annular porous plate 260, second goes out The shape of stomata 261 is set as that triangle or diamond shape and equivalent diameter are 5~8 millimeters, the layout phase with the first venthole 251 Seemingly, at least three the second ventholes 261 of circle are radially equidistantly spaced from, and are often enclosed the second venthole and gone out with a neighbouring circle second Stomata is staggered respectively in radial direction and circumferential direction.
In this nonlimiting, the first entrance 201 of burner 200 is arranged adjacent to the front bulkhead of inner cylinder 230 It is connected in tangential direction with first annular space 270, the second entrance 202 of burner 200 is arranged adjacent to the front end of outer barrel 210 Wall connects in tangential direction with the second annular space 280.
As a kind of non-limiting embodiment, igniter and flame detector (not shown) are provided in central tube 240, The port of export of central tube 240 and inner cylinder 230 and the port of export flush of outer barrel 210.
As a kind of non-limiting embodiment, as shown in Fig. 2, the first entrance 201 of burner 200 passes through connecting cylinder 290 are connected with hot air delivery pipe L1, so as to introduce heated air into burner 200.It is set on the barrel of connecting cylinder 290 useful In the gas cylinder 291 that gaseous fuel is introduced into burner 200, gas cylinder is interior to be equipped with combustion gas distribution grid 2911, combustion gas distribution grid Be equipped with several fuel gas holes, so as to ensure gaseous fuel uniformly at a high speed spray and uniformly mixed with hot-air.
20 DEG C of cold air is heated to about 200 DEG C under the action of the first wind turbine F1 by heat exchanger 300 as a result, so By overfire air delivery pipe L1 with entering after being sufficiently mixed from the combustion gas that gas cylinder 291 enters in burner 200, mixed gas It first passes around the second annular porous plate 260 and realizes and flow, then uniformly spray at a high speed and enter using first annular porous plate 250 Truncated cone-shaped mixing chamber 220.As shown in figure 3, parallel on the anchor ring of first annular porous plate 250 be equipped with six the first ventholes of circle 251 And six circle ellipse the first venthole 251 be staggered, so as to effectively prevent from being tempered.And the second annular porous plate 260 Anchor ring on it is parallel be equipped with three the second ventholes of circle 261, and the second venthole 261 of three circle triangles or diamond hole is staggeredly set It puts, is flowed so as to effectively realize.
On the other hand, about 400 DEG C of high-temperature flue gas of flue gas total volume about 20% is accounted for through the second flue 120 by the 3rd wind turbine F3 is suctioned out, and the second entrance 202 of burner 200 is entered using flue gas delivery pipe L2, then tangentially enters the second annular space 280, which form swirling eddy, sprays into truncated cone-shaped mixing chamber 220, is ignited being sent into stove again after being sufficiently mixed with hot-air and gaseous fuel In body 100.
As another alternative, combustion gas can be conveyed via central tube, the back-end closure of central tube, the pipe of central tube Several gas injection holes are opened up between first annular porous plate and the second annular porous plate on wall, combustion gas passes through gas injection hole It is tentatively mixed with hot-air in into first annular space, is passed through after preliminary mixing and truncated cone-shaped mixing chamber is entered by first annular space Inside further uniformly mixed with high-temperature flue gas.
As another alternative scheme, gas cylinder is connected in tangential direction with connecting cylinder, is revolved with being formed in connecting cylinder Stream, is uniformly mixed beneficial to combustion gas with hot-air.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means that combining the embodiment or specific features, structure or the feature of example description includes In at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms need not It must be directed to identical embodiment or example.In addition, without conflicting with each other, those skilled in the art can incite somebody to action Different embodiments or example and different embodiments or exemplary feature described in this specification are combined and combine.
Although the preferred embodiment of the utility model has been described in detail herein, it is to be understood that the utility model is not The concrete structure be described in detail and shown here and step are confined to, in the situation of the spirit and scope without departing from the utility model Under may be effected by one skilled in the art other modifications and variant.

Claims (10)

1. a kind of flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus, including:Furnace body and the combustion being connected with the furnace body Burner and heat exchanger, it is characterised in that:
The rear end one side of the furnace body is provided with the first flue;
The burner is installed on the front end of the furnace body and is connected with the burner hearth of the furnace body, and the burner is provided with One entrance;
The heat exchanger is equipped with high-temperature flue gas entry, cool air inlet, low-temperature flue gas outlet and hot air outlet, the high temperature cigarette Gas entrance is connected with first flue, and the low-temperature flue gas outlet is connected by pipeline with chimney, and the cold air enters Mouth is connected with the first wind turbine, and the hot air outlet is connected by hot air delivery pipe with the first entrance of the burner It connects;
The rear end opposite side of the furnace body is provided with the second flue, and the burner is additionally provided with second entrance, wherein, described Two flues are connected by flue gas delivery pipe with the second entrance;And
The burner includes:Central tube, be placed on the central tube outside inner cylinder, be placed on the outside of the inner cylinder Outer barrel and the truncated cone-shaped mixing chamber being connected between the outer barrel and the furnace body, wherein, the first entrance with it is described in The first annular space connection formed between the inner wall of the outer wall of heart pipe and the inner cylinder, the second entrance and the inner cylinder The the second annular space connection formed between the inner wall of outer wall and the outer barrel.
2. flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus as described in claim 1, it is characterised in that:The inner cylinder Front end is closed, and the rear port of the neighbouring inner cylinder connects the inner cylinder and the center in being provided in the first annular space The first annular porous plate of pipe;At least five the first ventholes of circle are provided on the anchor ring of the first annular porous plate;Described The shape of one venthole is set as that ellipse and equivalent diameter are 2~3 millimeters.
3. flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus as claimed in claim 2, it is characterised in that:The outer barrel Front end is closed, and the front bulkhead of the neighbouring outer barrel connects the inner cylinder and the center in being provided in the first annular space Second annular porous plate of pipe;It is provided at least three the second ventholes of circle on the anchor ring of the second annular porous plate, described the The shape of two ventholes is set as that triangle or diamond shape and equivalent diameter are 5~8 millimeters.
4. flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus as claimed in claim 3, it is characterised in that:Described at least five It encloses the first venthole to be radially equidistantly spaced from, and often encloses the first venthole with the first venthole of a neighbouring circle in radial direction side It is staggered respectively to circumferential direction;The second venthole of at least three circle is radially equidistantly spaced from, and often encloses the Two ventholes are staggered respectively with the second venthole of a neighbouring circle in radial direction and circumferential direction.
5. such as flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus according to any one of claims 1 to 4, feature exists In:The front bulkhead that the first entrance is arranged adjacent to the inner cylinder connects in tangential direction with the first annular space, institute It states second entrance and is arranged adjacent to the front bulkhead of the outer barrel and connected in tangential direction with second annular space.
6. flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus as claimed in claim 5, it is characterised in that:The central tube Igniter and flame detector are inside provided with, the port of export of the central tube is equal with the port of export of the inner cylinder and the outer barrel Together.
7. flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus as claimed in claim 5, it is characterised in that:Described first enters Mouth is connected by connecting cylinder with the hot air delivery pipe, and gas cylinder, the gas cylinder are provided on the barrel of the connecting cylinder Interior to be equipped with combustion gas distribution grid, the combustion gas distribution grid is equipped with several fuel gas holes.
8. flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus as claimed in claim 7, it is characterised in that:The fuel gas hole Triangular in shape to be distributed on the combustion gas distribution grid, the shape of the fuel gas hole is set as triangle or diamond shape and equivalent diameter is 1~2 millimeter.
9. such as flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus according to any one of claims 1 to 4, feature exists The second wind turbine is equipped in, the pipeline being connected between low-temperature flue gas outlet and the chimney, in the flue gas delivery pipe Equipped with the 3rd wind turbine.
10. such as flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus according to any one of claims 1 to 4, feature exists In:The port of export diameter of the truncated cone-shaped mixing chamber be set as the input end diameter of the truncated cone-shaped mixing chamber 35%~ 75%, the outer barrel, the truncated cone-shaped mixing chamber, the inner cylinder and the central tube coaxial line.
CN201721192029.XU 2017-09-18 2017-09-18 Flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus Expired - Fee Related CN207379305U (en)

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CN201721192029.XU CN207379305U (en) 2017-09-18 2017-09-18 Flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677137A (en) * 2017-09-18 2018-02-09 广东工业大学 Flue gas combustion-supporting type Energy Saving for Industrial Furnace environmental protection combustion system
CN109028929A (en) * 2018-06-29 2018-12-18 攀钢集团研究院有限公司 Expansion drying afterheat recycling system in titanium white production
CN111853785A (en) * 2019-04-30 2020-10-30 芜湖美的厨卫电器制造有限公司 Combustor and gas heater

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677137A (en) * 2017-09-18 2018-02-09 广东工业大学 Flue gas combustion-supporting type Energy Saving for Industrial Furnace environmental protection combustion system
WO2019052573A1 (en) * 2017-09-18 2019-03-21 广东工业大学 Energy-saving and environment-friendly combustion system for flue gas combustion-supporting industrial furnace
CN107677137B (en) * 2017-09-18 2024-04-02 广东工业大学 Energy-saving environment-friendly combustion system of smoke combustion-supporting industrial furnace
CN109028929A (en) * 2018-06-29 2018-12-18 攀钢集团研究院有限公司 Expansion drying afterheat recycling system in titanium white production
CN111853785A (en) * 2019-04-30 2020-10-30 芜湖美的厨卫电器制造有限公司 Combustor and gas heater
CN111853785B (en) * 2019-04-30 2022-12-06 芜湖美的厨卫电器制造有限公司 Combustor and gas heater

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