CN100414174C - Gas firing wall stove with balanced forced air exhausting system - Google Patents
Gas firing wall stove with balanced forced air exhausting system Download PDFInfo
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- CN100414174C CN100414174C CNB2006100292626A CN200610029262A CN100414174C CN 100414174 C CN100414174 C CN 100414174C CN B2006100292626 A CNB2006100292626 A CN B2006100292626A CN 200610029262 A CN200610029262 A CN 200610029262A CN 100414174 C CN100414174 C CN 100414174C
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Abstract
The invention comprises a shell, a hearth, a burner disposed in the hearth, a gas control valve and a gas pipeline on the burner, a control system on the shell and a balanced forced air-exhausting system in the hearth. The balanced forced air-exhausting system includes a smoke-collecting hood, a forced exhausting fan, a smoke-discharging pipe, a smoke-discharging and air-intaking switching disc, a double-layer flue pipe, a fresh air distributing chamber, a fresh air pipeline and a fresh air outlet. Because of using the balanced forced air-exhausting system, the invention can achieve the goal of forced smoke-discharging and intaking fresh air.
Description
Technical field
The present invention relates to a kind of gas firing wall, particularly relate to a kind of gas firing wall with balanced forced exhaust system.
Background technology
Along with energy crisis is more and more paid close attention to by the people, the warming people attempt to use to greatest extent the most effective the most cheap fuel.Therefore, more prosperous with the gas firing wall heating, and quietly enter Chinese family.All the time, how in gas firing wall toxic emission process, to reduce thermal loss to greatest extent, can fully ensure simultaneously the user again safe in utilization be that fireplace production firm endeavours the problem studied jointly.At present, the exhaust emission system that the fireplace production firm in North America and Europe adopts usually is a straight-line, as publication number is the United States Patent (USP) of US4793322, it is the structure with straight-line gas extraction system, it comprise double-deck smoke pipe and with double-deck smoke pipe skin together with the circular passage, the outer field annular flow path of double-deck smoke pipe is the fresh air passage, mainly is the fresh air outside supplied burner; The inner layer pipe of double-deck smoke pipe is used for discharging waste gas to external environment condition (outdoor).This structure can utilize the heat preheating of distributing in the internal layer toxic emission process of double-deck smoke pipe by the outer field fresh air of double-deck smoke pipe.Though the structure of this straight-line gas extraction system has reduced certain thermal loss, but this air draft mode is because the smoke evacuation wind speed is less, be subject to the air pressure, wind speed and direction of extraneous natural wind and vertically upward smoke pipe must grow the influence of pulling out with draft, cause toxic emission not smooth sometimes.Summary, this gas firing wall with straight-line gas extraction system has following defective: the one, smooth and easy for exhaust, its smoke exhaust pipe diameter is big, and it is big that the radius at smoke pipe turning is also wanted, and must have the smoke pipe part conduct of vertical length 〉=4m to pull out wind; The 2nd, the smoke evacuation wind speed is less, and the preventing air reverse flow device must be arranged.Because it is subjected to the air pressure of extraneous natural wind, the influence of wind speed and direction easily.Structure as for the straight-line exhaust system that has is that smoke discharging pipe and fresh wind tube road are the shuntings, and the smoke discharging pipe in this shunting and fresh wind tube road because the smoke discharging pipe outside wall temperature is higher, also need thermal insulation protection.Can cause the thermal efficiency to reduce.And, there is not the apartment of flue that this gas firing wall can not be installed, smoke pipe many indoor restrictions that yet are subjected to install of turning.
Summary of the invention
Purpose of the present invention is to overcome the above-mentioned existing defective of gas firing wall with straight-line exhaust system, and a kind of gas firing wall with balanced forced exhaust system is provided.
The present invention to achieve the above object, the technical scheme that is adopted is: it comprises shell, the burner hearth that surrounds by shell, place the burner in the burner hearth, be connected in fuel gas transportation pipeline and gas control valve door on the burner, place the control system on the shell and place the interior balanced forced exhaust system of burner hearth.
Described balanced forced exhaust system comprises the exhaust fume collecting hood that is positioned at the burner top, place the other Forced discharge fan of exhaust fume collecting hood, place the smoke exhaust pipe on the Forced discharge fan exhaust outlet, place the smoke evacuation air intake changeover panel on the smoke exhaust pipe outlet flue, the double-deck smoke pipe that pipe communicates with smoke exhaust pipe in placing on the smoke evacuation air intake changeover panel, the new wind distribution bin that communicates with double-deck smoke pipe outer tube is connected in the fresh wind tube road on the new wind distribution bin, is positioned at the new wind outlet that faces toward burner on the gas outlet, fresh wind tube road.
As above-mentioned structure, the waste gas that is produced during the burner combustion combustion gas is forced to discharge by the interior pipe of smoke exhaust pipe, smoke evacuation air intake changeover panel and double-deck smoke pipe by Forced discharge fan after being positioned at the exhaust fume collecting hood collection of burner top; After the waste gas in the burner hearth is discharged from, form negative pressure in the burner hearth, the fresh air of outside enters in the new wind distribution bin by the outer tube and the smoke evacuation air intake changeover panel of double-deck smoke pipe, is added on the combustion flame of burner by fresh wind tube road and new wind outlet again.With this, the waste gas in the burner hearth constantly is discharged from, and the fresh air of outside constantly covers in the burner hearth, and the inside and outside air pressure of burner hearth reaches balance.
The above-mentioned beneficial effect that scheme produced of the present invention is remarkable:
1. the present invention comprises Forced discharge fan because have balanced forced exhaust system, forces combustion gas by Forced discharge fan, is not subjected to the restriction of smoke exhaust pipe diameter.Therefore, the diameter of smoke exhaust pipe can be done forr a short time, and the wind speed of smoke evacuation can be adjusted (adjusting usually) in the 3.6m/s---8m/s scope, and the mounting condition of fireplace is reduced, and can install under various environment.
2. the present invention is forced fume exhaust and the new wind of suction because have balanced forced exhaust system, and the wind speed of smoke evacuation can be controlled, and also can arbitrarily improve the smoke evacuation wind speed, is not subjected to the air pressure of extraneous natural wind, the influence of wind speed and direction.
3. in the balanced forced exhaust system of the present invention, because be connected with smoke evacuation air intake changeover panel on the smoke exhaust pipe outlet flue and between the double-deck smoke pipe, when discharging fume in the smoke exhaust pipe, smoke evacuation air intake changeover panel forwards to smoke exhaust pipe is communicated with the interior pipe of double-deck smoke pipe, and the new wind distribution bin that communicates with the outer tube of double-deck smoke pipe is closed, thereby, prevented pouring in down a chimney of waste gas.
4. the present invention is because have balanced forced exhaust system, it is outdoor that the pernicious gas that it produces the fireplace burning by a Forced discharge fan forces extraction to be discharged into, make fireplace be in negative-pressure firing, if Forced discharge fan air draft in 5 seconds in advance before each start, clear the waste gas that retains in the burner hearth, can prevent detonation, thereby increase safety measure one, make the user use fireplace safer.
5. the present invention is because have balanced forced exhaust system, and combustion gas sucks fresh air in time, and the outer field temperature of furnace roof, shell and smoke pipe is reduced more than 50%, meets the fire-fighting requirement, makes the user use fireplace safer.
6. the present invention is because have a balanced forced exhaust system, and the smoke evacuation direction is unrestricted, and smoke pipe is not moved towards length and limits, so install more conveniently, exterior wall is more attractive in appearance, makes the house type that does not have chimney also fireplace of the present invention can be installed.
7. the present invention is because balanced forced exhaust system, new wind distribution bin, fresh wind tube road and new wind outlet that outside fresh air is communicated with double-deck smoke pipe outer tube by smoke evacuation air intake changeover panel enter in the burner hearth, thereby make the fuel gas buring in the burner get more abundant more stable.
Description of drawings
Fig. 1 is the schematic diagram of the outer body structure of an embodiment of gas firing wall of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the cutaway view of the A-A face of Fig. 1;
Fig. 4 is the cutaway view of the B-B face of Fig. 2;
Fig. 5 is the interior forced fume exhaust of gas firing wall one embodiment burner hearth of the present invention and the schematic diagram of air intake.
The specific embodiment
Below in conjunction with drawings and Examples structure of the present invention is described further.
Fig. 1,2,3, the 4th, the structural representation of gas firing wall one embodiment of the present invention.
Shown in Fig. 1,2,3,4, it comprises gas firing wall of the present invention: shell 01, the burner hearth 02 that surrounds by shell 01, place the burner 8 in the burner hearth 02, be connected in fuel gas transportation pipeline and gas control valve door 10 on the burner 8, place the control system 9 on the shell 01 and place balanced forced exhaust system in the burner hearth 02.
As Fig. 3, shown in 4, described balanced forced exhaust system comprises the exhaust fume collecting hood 5 that is positioned at burner 8 tops, place the Forced discharge fan 3 on exhaust fume collecting hood 5 other (on the limits), place the smoke exhaust pipe 2 on Forced discharge fan 3 exhaust outlets, place the smoke evacuation air intake changeover panel 1 on smoke exhaust pipe 2 outlet flues, the double-deck smoke pipe 11 that pipe communicates with smoke exhaust pipe 2 in placing on the smoke evacuation air intake changeover panel 1, the new wind distribution bin 4 that communicates with double-deck smoke pipe 11 outer tubes by smoke evacuation air intake changeover panel 1, be connected in the fresh wind tube road 6 on the new wind distribution bin 4, be positioned at the new wind outlet 7 of the combustion flame that faces toward on 6 gas outlets, fresh wind tube road on the burner 8.
Described and the new wind distribution bin 4 that communicates with double-deck smoke pipe 11 outer tubes place the top of burner hearth 02, in order to the heat that absorbs burner hearth 02 top, make the heat in the burner hearth carry out heat exchange with new wind in the new wind distribution bin 4, both the new wind of preheating was raised the efficiency, can reduce top temperature again, save heat insulation filler etc., guaranteed safety.
Fig. 5 is the forced fume exhaust of an embodiment in the gas firing wall burner hearth of the present invention and the schematic diagram of air inlet system.As shown in Figure 5, when placing burner 8 combustion gas in the burner hearth 02, the waste gas that is produced is forced to be discharged from by the interior pipe of smoke exhaust pipe 2, smoke evacuation air intake changeover panel 1 and double-deck smoke pipe 11 by Forced discharge fan 3 after being positioned at exhaust fume collecting hood 5 collections of burner 8 tops; After the waste gas in the burner hearth 02 is discharged from, form negative pressure in the burner hearth 02, the fresh air of outside enters in the new wind distribution bin 4 by the outer tube and the smoke evacuation air intake changeover panel 1 of double-deck smoke pipe 11, is added on the combustion flame of burner 8 by fresh wind tube road 6 and new wind outlet 7 again.So far, the waste gas in the burner hearth constantly is discharged from, and the fresh air of outside constantly covers in the burner hearth, and the inside and outside air pressure of burner hearth reaches balance.
In the present embodiment, brought in the smoke pipe, the cigarette cap 12 that fly net is contained in inside be housed on the air inlet of double-deck smoke pipe 11 for the foreign material and the dust in air that can prevent the outside.As shown in Figure 5.
The described exhaust fume collecting hood 5 other Forced discharge fans 3 that place preferably are seated on the position in non high temperature district, burner 8 top.Because the temperature that burner 8 burning produces waste gas is up to about 185 ℃, so the installation site of Forced discharge fan 3 must be in the high-temperature region, waste gas carries out heat exchange in advance with the reduction exhaust gas temperature like this.Simultaneously, Forced discharge fan is other can be provided with a circulating fan (air quantity 200m
3/ h) it is cooled off.
For being fit to the contradiction between different smoke pipe length and turning quantity and the smoke evacuation, in the present embodiment, the rotating speed of described Forced discharge fan is designed to stepless speed regulation, promptly is that rotating speed is the exhaust blower of stepless speed regulation.And make its rotating speed adjusting range at 1000rpm/min～2800rpm/min, and wind speed is between 3.6m/s～8m/s, and air quantity is at 22m
3/ h～42m
3Between can adjust, like this can satisfy different arrangement requirements.
In addition in the present embodiment, the motor of Forced discharge fan itself has a fan blade.In the running, can cut off the heat of blower fan itself to the motor transmission.Under such condition, the electric machine temperature rise of Forced discharge fan generally is no more than about 65 ℃, is the safe handling of the motor of Forced discharge fan, must improve its class of insulation.The temperature rise of " B " level is 85K, requires the enamel-covered wire winding of motor is twined protection with polyethylene tape.The motor lead-out wire is selected high temperature wire for use.The motor bearings Hmp grease.
Claims (7)
1. gas firing wall with balanced forced exhaust system, it comprises: shell, the burner hearth that surrounds by shell, place the burner in the burner hearth, be connected in gas control valve door and the fuel gas transportation pipeline on the burner and place control system on the shell, it is characterized in that: comprise the balanced forced exhaust system that places in the burner hearth, it comprises the exhaust fume collecting hood that is positioned at the burner top, place the other Forced discharge fan of exhaust fume collecting hood, place the smoke exhaust pipe on the Forced discharge fan exhaust outlet, place the smoke evacuation air intake changeover panel on the smoke exhaust pipe outlet flue, the double-deck smoke pipe that pipe communicates with smoke exhaust pipe in placing on the smoke evacuation air intake changeover panel, new wind distribution bin by smoke evacuation air intake changeover panel communicates with double-deck smoke pipe outer tube is connected in the fresh wind tube road on the new wind distribution bin, is positioned at the new wind outlet that faces toward burner on the gas outlet, fresh wind tube road.
2. the gas firing wall with balanced forced exhaust system according to claim 1 is characterized in that new wind distribution bin that described and double-deck smoke pipe outer tube communicates places the top of burner hearth.
3. the gas firing wall with balanced forced exhaust system according to claim 1 is characterized in that on the air inlet of the outdoor new wind of the outer tube of double-deck smoke pipe the cigarette cap that fly net is contained in inside being housed.
4. the gas firing wall with balanced forced exhaust system according to claim 1 is characterized in that the described other Forced discharge fan of exhaust fume collecting hood that places is to be seated on the position in non high temperature district, burner top.
5. the gas firing wall with balanced forced exhaust system according to claim 1 is characterized in that at the other circulating fan that is equipped with of Forced discharge fan.
6. the gas firing wall with balanced forced exhaust system according to claim 1 is characterized in that the motor of described Forced discharge fan itself has a fan blade.
7. the gas firing wall with balanced forced exhaust system according to claim 5 is characterized in that described Forced discharge fan is that rotating speed is the exhaust blower of stepless speed regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100292626A CN100414174C (en) | 2006-07-21 | 2006-07-21 | Gas firing wall stove with balanced forced air exhausting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100292626A CN100414174C (en) | 2006-07-21 | 2006-07-21 | Gas firing wall stove with balanced forced air exhausting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1888545A CN1888545A (en) | 2007-01-03 |
| CN100414174C true CN100414174C (en) | 2008-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100292626A Expired - Fee Related CN100414174C (en) | 2006-07-21 | 2006-07-21 | Gas firing wall stove with balanced forced air exhausting system |
Country Status (1)
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| CN (1) | CN100414174C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734814A (en) * | 2012-06-13 | 2012-10-17 | 安徽沃木采暖科技有限公司 | Double-ended conveyor |
| CN104696978B (en) * | 2013-12-06 | 2019-02-26 | 普罗赛斯桑德尔公司 | Flue gas purification device |
| TWI580903B (en) * | 2015-07-09 | 2017-05-01 | Bahutong Entpr Ltd Company | Gas fireplace |
| CN110822534A (en) * | 2019-05-09 | 2020-02-21 | 宁波丽辰电器有限公司 | Chimney with explosion-proof structure and gas fireplace comprising same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793322A (en) * | 1986-11-06 | 1988-12-27 | Shimek Ronald J | Direct-vented gas fireplace |
| US5320086A (en) * | 1993-02-16 | 1994-06-14 | Majco Building Specialties, L.P. | Direct vent gas appliance with vertical and horizontal venting |
| US5482028A (en) * | 1993-09-22 | 1996-01-09 | Binzer; Lothar | Modular fireplace insert with movable manifold |
| CN1160151A (en) * | 1996-01-16 | 1997-09-24 | 柯文雄 | Main structure of fireplace |
| US6029655A (en) * | 1998-04-27 | 2000-02-29 | Hussong Manufacturing Co., Inc. | Modular gas fireplace insert |
| US6755138B2 (en) * | 2000-08-07 | 2004-06-29 | Woodlane Environmental Technology, Inc. | Ventilation system and method |
| CN2921616Y (en) * | 2006-07-21 | 2007-07-11 | 杨学凯 | Gas fuel fireplace with balance reinforced air exhausting system |
-
2006
- 2006-07-21 CN CNB2006100292626A patent/CN100414174C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793322A (en) * | 1986-11-06 | 1988-12-27 | Shimek Ronald J | Direct-vented gas fireplace |
| US5320086A (en) * | 1993-02-16 | 1994-06-14 | Majco Building Specialties, L.P. | Direct vent gas appliance with vertical and horizontal venting |
| US5482028A (en) * | 1993-09-22 | 1996-01-09 | Binzer; Lothar | Modular fireplace insert with movable manifold |
| CN1160151A (en) * | 1996-01-16 | 1997-09-24 | 柯文雄 | Main structure of fireplace |
| US6029655A (en) * | 1998-04-27 | 2000-02-29 | Hussong Manufacturing Co., Inc. | Modular gas fireplace insert |
| US6755138B2 (en) * | 2000-08-07 | 2004-06-29 | Woodlane Environmental Technology, Inc. | Ventilation system and method |
| CN2921616Y (en) * | 2006-07-21 | 2007-07-11 | 杨学凯 | Gas fuel fireplace with balance reinforced air exhausting system |
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| Publication number | Publication date |
|---|---|
| CN1888545A (en) | 2007-01-03 |
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Granted publication date: 20080827 Termination date: 20180721 |
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