CN105823075B - A kind of module furnace mixing air distribution device - Google Patents

A kind of module furnace mixing air distribution device Download PDF

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Publication number
CN105823075B
CN105823075B CN201610306381.5A CN201610306381A CN105823075B CN 105823075 B CN105823075 B CN 105823075B CN 201610306381 A CN201610306381 A CN 201610306381A CN 105823075 B CN105823075 B CN 105823075B
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China
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air
distribution device
vented cavity
smoke
condensation chamber
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CN201610306381.5A
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Chinese (zh)
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CN105823075A (en
Inventor
刘永义
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Guangdong Puruima Industrial Co Ltd
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Guangdong Puruima Industrial Co Ltd
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Priority to CN201610306381.5A priority Critical patent/CN105823075B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C9/00Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/06Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for completing combustion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2202/00Fluegas recirculation
    • F23C2202/30Premixing fluegas with combustion air

Abstract

The present invention provides a kind of module furnace mixing air distribution device; its using the air-out chamber, enter cigarette conduit, smoke exhaust pipe, air inlet, vented cavity formed flue gas mixed with air gas supplement path; can be by the way that the waste gas after burning be homogeneously mixed in the supply of fresh air in proportion; reduce the oxygen concentration in auxiliary air; realize anoxic low-temperature burning; then fully burnt again by way of sectional oxygen supply; the generation of nitrogen oxides is inhibited from source; so as to which discharged nitrous oxides be greatly reduced, reach the purpose of environmental protection.

Description

A kind of module furnace mixing air distribution device
Technical field
The present invention relates to gas fired-boiler field, and in particular to a kind of module furnace mixing air distribution device.
Background technology
Condensed type combustion gas module furnace is a kind of new central heating appliance, and its effects of energy conservation and environmental protection is notable, and it is extensive The large-scale occasion such as cell, hospital, supermarket, hotel, bath center, swimming pool, which is lived, applied to factory building, office block, business concentrates confession Warm, supplying hot water.
Several gas modules are installed, gas module is mainly using natural gas or coal gas as combustion in gas module stove Material.According to the burning formula of fuel(Example is in natural gas CH4+2O2=CO2+2H2O)Learnt with the ratio of air oxygen:Gas module , it is necessary to which more than 10 times of air supply could provide the oxygen needed for full combustion of fuel during work.
When gas module furnaceman makees, fuel mixes with air is inhaled into combustion chambers burn, oxygen and day combustion in air CO is produced while heat is discharged during gas mixed combustion2And 2H2O, when ignition temperature reaches more than 800 DEG C, the part oxygen of air Gas and nitrogen combine to form nitrogen oxides, it is known that the greenhouse effects of nitrogen oxides are 200 times of carbon dioxide, the influence ten to environment Divide serious.China is very strict to the emission request of nitrogen oxides, the mg/m3 of the discharge standard in current line city≤150, north Discharge standard≤the 80mg/m3 in capital area.In order to reduce the discharge of nitrogen oxides, generally use denitration technology, not only cost is high, Waste disposal caused by denitration is bad also to be polluted to environment.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of module furnace mixing air distribution device, it passes through The waste gas after burning is homogeneously mixed in the supply of fresh air in proportion, reduces the oxygen concentration in auxiliary air, it is real Existing anoxic low-temperature burning, is then fully burnt, the generation of nitrogen oxides is inhibited from source again by way of sectional oxygen supply, So as to which discharged nitrous oxides be greatly reduced, reach the purpose of environmental protection.
What the goal of the invention of the present invention was realized in:A kind of module furnace mixing air distribution device, including be installed on furnace shell Fan housing is matched somebody with somebody at the top of side, and top is provided with air exhauster with fan housing, smoke exhaust pipe, the air intake vent of air exhauster and smoke evacuation are provided with furnace shell Pipe connects, wherein, the air outlet of the air exhauster is provided with the air outlet box with air-out chamber, and air outlet box is provided with exhaust opening and enters cigarette Mouthful, the top air distribution is covered with the vented cavity communicated with the air inlet of smoke exhaust pipe and the air inlet communicated with vented cavity, institute State to be provided with vented cavity and into cigarette conduit, enter the bending tubes end of cigarette conduit and connected with the smoke inlet of air outlet box, enter the smoke end of cigarette conduit Connected with vented cavity, the air-out chamber, enter the gas that cigarette conduit, smoke exhaust pipe, air inlet, vented cavity formation flue gas mix with air Path is supplemented, the filtering netware flowed through provided with gas supplement path in the vented cavity is provided with below filtering netware and smoke evacuation The guiding piece that the condensation chamber of pipe communicates.
Optimized according to above-mentioned, the smoke exhaust pipe includes condensation chamber, smoke extraction chamber, the bottom of condensation chamber and the bottom of smoke extraction chamber Portion communicates, and the top of smoke extraction chamber connects with the air intake vent of air exhauster, and condensation chamber communicates with vented cavity, it is described enter cigarette conduit be provided with Several through holes communicated with vented cavity.
Optimized according to above-mentioned, it is described enter four side walls of the cigarette conduit along vented cavity set, through hole is distributed in leads into cigarette On the bottom wall of pipe.
Optimized according to above-mentioned, the air inlet equably waits be arranged at the two side that fan housing is matched somebody with somebody at top with gap respectively On.
Optimized according to above-mentioned, the guiding piece, which includes tilting, collects basin, and filtering netware is in flue gas and collect air Rear and being fixed on tilt on the high end for collecting basin, tilt and collect the end portion of basin and be provided with the water conservancy diversion that is connected with condensation chamber Road.
Optimized according to above-mentioned, the inclination collection basin has gradually down inclined by the direction of air inlet to condensation chamber Inclined plane.
Optimized according to above-mentioned, the filtering netware is included containing two layers of screen pack, is set between two layers of screen pack There is gap.
Optimized according to above-mentioned, the top of the condensation chamber is provided with the air inlet communicated with vented cavity, and honeycomb duct goes out Mouth is connected with the air inlet of condensation chamber.
Optimized according to above-mentioned, the bottom of the condensation chamber is provided with the drainage duct of the row's of concentration condensed water.
The advantage of the invention is that:Using module furnace mixing air distribution device, using air-out chamber, enter cigarette conduit, smoke exhaust pipe, enter Gas port, the air inlet of vented cavity form the gas supplement path that flue gas mixes with air, can be by proportion useless after burning Gas is homogeneously mixed in the supply of fresh air, is reduced the oxygen concentration in auxiliary air, is realized anoxic low-temperature burning, then Fully burnt again by way of sectional oxygen supply, the generation of nitrogen oxides is inhibited from source, so as to which nitrogen oxidation be greatly reduced Thing discharges, and reaches the purpose of environmental protection.
Brief description of the drawings
Accompanying drawing 1 is the stereogram of present pre-ferred embodiments.
Accompanying drawing 2 is the sectional view of present pre-ferred embodiments(Remove gas module).
Accompanying drawing 3 is the stereogram of present pre-ferred embodiments partly cut-away(Remove gas module).
Accompanying drawing 4 is with fan housing and the relation schematic diagram for entering cigarette conduit at the top of present pre-ferred embodiments.
Accompanying drawing 5 collects the structural representation of basin for the filtering netware of present pre-ferred embodiments and inclination.
Accompanying drawing 6 collects the top view of basin for the filtering netware of present pre-ferred embodiments and inclination.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
With reference to the accompanying drawings shown in 1 to accompanying drawing 6, module furnace mixing air distribution device of the invention, it includes being installed on the top of furnace shell 1 Top match somebody with somebody fan housing 2.Top is provided with air exhauster 3 with fan housing 2, is provided with smoke exhaust pipe 4 in furnace shell 1, the air intake vent of air exhauster 3 with Smoke exhaust pipe 4 connects.And the top is provided with vented cavity 21 and air inlet 22 with fan housing 2, vented cavity 21 enters with smoke exhaust pipe 4 Air port communicates, and air inlet 22 communicates with vented cavity 21, and air inlet 22 respectively equably waits is arranged at top with fan housing 2 with gap On two side.Also, the air outlet of the air exhauster 3 is provided with air outlet box 5.Air outlet box 5 has air-out chamber 51, and air outlet box 5 is set There are exhaust opening 52 and smoke inlet 53.The bending tubes end and air outlet box 5 for into cigarette conduit 6, entering cigarette conduit 6 are provided with the vented cavity 21 Smoke inlet 53 connects, and the smoke end for entering cigarette conduit 6 connects with vented cavity 21.Wherein, the air-out chamber 51, enter cigarette conduit 6, smoke evacuation Pipe 4, air inlet 22, vented cavity 21 form the gas supplement path 7 that flue gas mixes with air.
, will by the bulbs of pressure of caused high-temperature flue gas when combustion gas is burnt with air mixture when gas module is run Flue gas is discharged to the direction of smoke extraction chamber 42, and air exhauster 3 discharges the flue gas in smoke extraction chamber 42 outward, specifically as caused by gas module Flue gas is discharged into the smoke extraction chamber 42 of smoke exhaust pipe 4, and smoke extraction chamber 42 flows through air outlet box 5 by air exhauster 3, then by exhaust opening 52 outward Discharge.Period, due to forming negative pressure in the combustion chamber of gas module, cause the cavity of furnace shell 1 to form negative pressure, cause extraneous air Automatically it is mixed on gas supplement path 7 with the partial fume in air-out chamber 51 and path 7 is supplemented to furnace shell 1 by gas Interior gas module provides enough oxygen.So, path 7 is supplemented by gas, can be by proportion the waste gas after burning It is homogeneously mixed in the supply of fresh air, reduces the oxygen concentration in auxiliary air, realize anoxic low-temperature burning, Ran Houtong The mode for crossing sectional oxygen supply is fully burnt again, and the generation of nitrogen oxides is inhibited from source, so as to which nitrogen oxides be greatly reduced Discharge, reach the purpose of environmental protection.
Shown in reference picture 2 and Fig. 3, the smoke exhaust pipe 4 includes condensation chamber 41, smoke extraction chamber 42.The bottom of condensation chamber 41 and row The bottom of smoke chamber 42 communicates, and the top of smoke extraction chamber 42 connects with the air intake vent of air exhauster 3, top and the vented cavity 21 of condensation chamber 41 Communicate.It is described enter four side walls of the cigarette conduit 6 along vented cavity 21 set, and enter cigarette conduit 6 and be provided with several and vented cavity 21 The through hole 61 communicated, through hole 61 are distributed on the bottom wall of cigarette conduit 6.Effectively extend time of the flue gas in furnace shell 1, fully profit Heat exchange is carried out with the high temperature and air of flue gas, the temperature of the air in furnace shell 1 is improved, improves the thermal efficiency.Also, it is mixed in gas Internal flue gas flows into gas module and carries out second-time burning, the generation of nitrogen oxides is inhibited from source, so as to be greatly reduced Discharged nitrous oxides, reach the purpose of environmental protection.
For reference picture 2 to shown in Fig. 6, the interior gas that is provided with of the vented cavity 21 supplements the filtering netware 8 that path 7 flows through, mistake Screen element is in the rear of flue gas and collect air, and the filtering netware 8 includes containing two layers of screen pack, two layers of screen pack Between be provided with gap.Air flows into screen pack after being mixed with flue gas, then flows in condensation chamber 41.Improve dust-proof, protection against rodents, insect prevention etc. With higher degree of protection, coarse filtration, refined filtration simultaneously effective are carried out to mixed gas, has and carried out gas dust, moisture Filter, realize and dry air is provided to gas module, reduce condensed water and produce, reduce pollution, it is ensured that module furnace work steady in a long-term Make.
Shown in reference picture 2, Fig. 3, Fig. 5 and Fig. 6, the lower section of filtering netware 8 is provided with draws with what the condensation chamber 41 of smoke exhaust pipe 4 communicated Guiding element.Guiding piece include tilt collect basin 9, it is described tilt collect basin 9 have from air inlet 22 to the direction of condensation chamber 41 gradually toward Under inclined inclined plane 91.Wherein, filter netware 8 to be on the high end for tilting collection basin 9, tilt the end portion for collecting basin 9 Provided with the honeycomb duct 10 connected with condensation chamber 41.The top of condensation chamber 41 is provided with the air inlet communicated with vented cavity 21, honeycomb duct 10 outlet is connected with the air inlet of condensation chamber 41, and the bottom of condensation chamber 41 is provided with the drainage duct 11 of the row's of concentration condensed water.
That is, separated when the dust of mixed gas, moisture pass through screen pack and fall into inclination along screen pack and collect basin 9, enter condensation chamber 41 along honeycomb duct 10 immediately, by drainage duct 11 by the dirt of condensation chamber 41, condensed water centralized collection, Reduce pollution, it is ensured that module furnace long-term stable operation.
Above-mentioned specific embodiment is only the preferable embodiment of effect of the present invention, all to be mixed with module furnace of the invention The identical or equivalent structure of air distribution device, within the scope of the present invention.

Claims (9)

1. a kind of module furnace mixing air distribution device, including it is installed on furnace shell(1)Match somebody with somebody fan housing in the top of top(2), fan housing is matched somebody with somebody at top (2)It is provided with air exhauster(3), furnace shell(1)Smoke exhaust pipe is inside installed(4), air exhauster(3)Air intake vent and smoke exhaust pipe(4)Connection, It is characterized in that:The air exhauster(3)Air outlet be provided with there is air-out chamber(51)Air outlet box(5), air outlet box(5)Provided with row Mouth(52)With smoke inlet(53), fan housing is matched somebody with somebody at the top(2)It is provided with and smoke exhaust pipe(4)The vented cavity that communicates of air inlet(21) And and vented cavity(21)The air inlet communicated(22), the vented cavity(21)Inside it is provided with into cigarette conduit(6), enter cigarette conduit(6) Bending tubes end and air outlet box(5)Smoke inlet(53)Connection, enters cigarette conduit(6)Smoke end and vented cavity(21)Connection, it is described Air-out chamber(51), enter cigarette conduit(6), smoke exhaust pipe(4), air inlet(22), vented cavity(21)Form the gas that flue gas mixes with air Body supplements path(7), the vented cavity(21)It is interior to be provided with gas supplement path(7)The filtering netware flowed through(8), filter netware (8)Lower section is provided with and smoke exhaust pipe(4)Condensation chamber(41)The guiding piece communicated.
2. module furnace mixing air distribution device according to claim 1, it is characterised in that:The smoke exhaust pipe(4)Including condensation chamber (41), smoke extraction chamber(42), condensation chamber(41)Bottom and smoke extraction chamber(42)Bottom communicate, smoke extraction chamber(42)Top and exhausting Machine(3)Air intake vent connection, condensation chamber(41)Top and vented cavity(21)Communicate, it is described enter cigarette conduit(6)It is provided with some Individual and vented cavity(21)The through hole communicated(61).
3. module furnace mixing air distribution device according to claim 2, it is characterised in that:It is described enter cigarette conduit(6)Along ventilation Chamber(21)Four side walls set, through hole(61)It is distributed in into cigarette conduit(6)Bottom wall on.
4. module furnace mixing air distribution device according to claim 2, it is characterised in that:The air inlet(22)Respectively equably Match somebody with somebody fan housing Deng top is arranged at gap(2)Two side on.
5. module furnace mixing air distribution device according to claim 1 or claim 2, it is characterised in that:The guiding piece, which includes tilting, to be received Collect basin(9), filter netware(8)In the rear of flue gas and collect air and it is fixed on inclination collection basin(9)High end on, incline Tiltedly collect basin(9)End portion be provided with and condensation chamber(41)The honeycomb duct of connection(10).
6. module furnace mixing air distribution device according to claim 5, it is characterised in that:Described tilt collects basin(9)Have by entering Gas port(22)To condensation chamber(41)Direction gradually down inclined inclined plane(91).
7. module furnace mixing air distribution device according to claim 5, it is characterised in that:The filtering netware(8)Including containing Two layers of screen pack, gap is provided between two layers of screen pack.
8. module furnace mixing air distribution device according to claim 5, it is characterised in that:The condensation chamber(41)Top be provided with With vented cavity(21)The air inlet communicated, honeycomb duct(10)Outlet and condensation chamber(41)Air inlet connection.
9. module furnace mixing air distribution device according to claim 8, it is characterised in that:The condensation chamber(41)Bottom be provided with The drainage duct of the row's of concentration condensed water(11).
CN201610306381.5A 2016-05-11 2016-05-11 A kind of module furnace mixing air distribution device Active CN105823075B (en)

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Application Number Priority Date Filing Date Title
CN201610306381.5A CN105823075B (en) 2016-05-11 2016-05-11 A kind of module furnace mixing air distribution device

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Application Number Priority Date Filing Date Title
CN201610306381.5A CN105823075B (en) 2016-05-11 2016-05-11 A kind of module furnace mixing air distribution device

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CN105823075A CN105823075A (en) 2016-08-03
CN105823075B true CN105823075B (en) 2018-03-30

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321432A (en) * 1976-08-10 1978-02-27 Kubota Ltd Combustion device
CN202328745U (en) * 2011-11-24 2012-07-11 陈庆健 Compact module furnace
CN203375715U (en) * 2013-07-31 2014-01-01 霍满玲 Heat exchange device of condensing module stove
CN103591682A (en) * 2013-11-27 2014-02-19 郑宗标 High-effect low-emission water boiler
CN104501413A (en) * 2014-12-26 2015-04-08 中山普瑞玛实业有限公司 Efficient flue gas condensing and waste heat recovering device and fuel gas module furnace adopting same
CN205807465U (en) * 2016-05-11 2016-12-14 中山普瑞玛实业有限公司 A kind of module furnace mixing air distribution device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321432A (en) * 1976-08-10 1978-02-27 Kubota Ltd Combustion device
CN202328745U (en) * 2011-11-24 2012-07-11 陈庆健 Compact module furnace
CN203375715U (en) * 2013-07-31 2014-01-01 霍满玲 Heat exchange device of condensing module stove
CN103591682A (en) * 2013-11-27 2014-02-19 郑宗标 High-effect low-emission water boiler
CN104501413A (en) * 2014-12-26 2015-04-08 中山普瑞玛实业有限公司 Efficient flue gas condensing and waste heat recovering device and fuel gas module furnace adopting same
CN205807465U (en) * 2016-05-11 2016-12-14 中山普瑞玛实业有限公司 A kind of module furnace mixing air distribution device

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