CN105823075B - Mixed air distribution device of module furnace - Google Patents
Mixed air distribution device of module furnace Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- air
- distribution device
- smoke
- vented cavity
- condensation chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000779 smoke Substances 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000013589 supplement Substances 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract 2
- 238000009833 condensation Methods 0.000 claims description 30
- 230000005494 condensation Effects 0.000 claims description 30
- 235000019504 cigarettes Nutrition 0.000 claims description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 13
- 239000001301 oxygen Substances 0.000 abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 abstract description 13
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING 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
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
- F23C9/06—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for completing combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2202/00—Fluegas recirculation
- F23C2202/30—Premixing fluegas with combustion air
Abstract
The invention provides a mixed air distribution device of a module furnace, which utilizes an air outlet cavity, a smoke inlet guide pipe, a smoke exhaust pipe, an air inlet and a ventilation cavity to form a gas supplement path for mixing smoke and air, can uniformly mix combusted waste gas into fresh air supplement according to a proportion, reduces the oxygen concentration in the supplemented air, realizes oxygen-poor low-temperature combustion, and then fully combusts in a segmented oxygen supply mode, inhibits the generation of nitrogen oxide from the source, thereby greatly reducing the emission of the nitrogen oxide and achieving the aim of protecting the environment.
Description
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）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306381.5A CN105823075B (en) | 2016-05-11 | 2016-05-11 | Mixed air distribution device of module furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306381.5A CN105823075B (en) | 2016-05-11 | 2016-05-11 | Mixed air distribution device of module furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105823075A CN105823075A (en) | 2016-08-03 |
| CN105823075B true CN105823075B (en) | 2018-03-30 |
Family
ID=56529249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610306381.5A Active CN105823075B (en) | 2016-05-11 | 2016-05-11 | Mixed air distribution device of module furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105823075B (en) |
Citations (6)
| 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 | High-efficient flue gas condensation waste heat recovery device and have this recovery unit's gas module stove |
| CN205807465U (en) * | 2016-05-11 | 2016-12-14 | 中山普瑞玛实业有限公司 | Mixed air distribution device of module furnace |
-
2016
- 2016-05-11 CN CN201610306381.5A patent/CN105823075B/en active Active
Patent Citations (6)
| 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 | High-efficient flue gas condensation waste heat recovery device and have this recovery unit's gas module stove |
| CN205807465U (en) * | 2016-05-11 | 2016-12-14 | 中山普瑞玛实业有限公司 | Mixed air distribution device of module furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105823075A (en) | 2016-08-03 |
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| CB02 | Change of applicant information |
Address after: Home in Guangdong province Zhongshan City Road 528425 and Dongfeng Town Industrial Zone Applicant after: Guangdong Puruima Industrial Co. Ltd. Address before: Home in Guangdong province Zhongshan City Road 528425 and Dongfeng Town Industrial Zone Applicant before: ZHONGSHAN PRIMA INDUSTRIAL CO., LTD. |
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