CN102072497A - Smoke venting pipeline for household gas-fired hot water boiler - Google Patents
Smoke venting pipeline for household gas-fired hot water boiler Download PDFInfo
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- CN102072497A CN102072497A CN 201110033425 CN201110033425A CN102072497A CN 102072497 A CN102072497 A CN 102072497A CN 201110033425 CN201110033425 CN 201110033425 CN 201110033425 A CN201110033425 A CN 201110033425A CN 102072497 A CN102072497 A CN 102072497A
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Abstract
The invention discloses a smoke venting pipeline for a household gas-fired hot water boiler, and belongs to the field of smoke venting pipeline devices. A flue terminal on the top of the boiler is connected with a first bent pipe and a straight pipe through a connecting disk; the first bent pipe and the straight pipe are divided into an outer combustion air pipeline and an inner smoke venting pipeline respectively; and the straight pipe horizontally passes through window glass, a second bent pipe is connected with the inner smoke venting pipeline at the outdoor end of the straight pipe through a connecting piece, and a section of vertical upward smoke venting pipeline is connected to an vertical upward port of the second bent pipe. The vertical arrangement that the inner smoke venting pipe is connected with the vertical upward smoke venting pipe prevents air flow driven by outdoor high atmospheric pressure from reversely entering the inner smoke venting pipeline, and combines the horizontal arrangement of the outer combustion air pipeline to effectively avoid the formation of flue negative pressure and reduce the smoke venting failure rate of the boiler. Meanwhile, the deposition of combusted dust is reduced, the energy utilization is greatly improved, and generation and exhaust of various harmful substances are effectively reduced; and the smoke venting pipeline is easy to assemble, and extra assembly workload is hardly increased.
Description
Technical field
The invention belongs to smoke discharging pipe device field, particularly a kind of smoke discharging pipe of domestic gas hot-water boiler.
Background technology
Along with improving constantly of modern urban construction level, domestic gas wall hot-water boiler is to have obtained application more and more widely in the modern house building, is widely used in the branch family from heating, domestic hot water's supply etc.If the very big inconvenience that domestic gas wall hot-water boiler cisco unity malfunction will cause to resident living.Be illustrated in figure 1 as the basic block diagram of burnt gas wall hanging furnace.Among the figure, the balanced type flue is a critical component, is mainly used in from open air introducing combustion air and the flue gas that produces after discharging burning.The flue parts are current adopt be double-deck run-in index bend pipe structure, bend pipe 7 and straight tube two parts are divided into inside and outside two-layer, the flue gas of inner layer pipe 6 is discharged from exhaust opening 3, outer layer pipe 5 is used for introducing combustion air from air intlet 4 in boiler 1, inside and outside pipeline is arranged in parallel, the furnace side of flue is a vertical stratification, and outdoor atmospheric side is a horizontal structure.In the boiler startup stage, after blower fan 2 starts, if the airflow direction in the flue for from inside to outside, then flue is a malleation; Otherwise flue is a negative pressure.If blast switch 8 detection flues are malleation then transmit " pipeline is normally a discharged fume " signal to boiler controller that this signal is the necessary condition that boiler normally starts burning.If it is negative pressure that blast switch 8 detects flue, then send " smoke evacuation fault " signal to controller, this moment, boiler can not start burning.Find through use for many years, there is the practicality problem in above-mentioned flue structure, mainly be: in the boiler startup stage, after blower fan 2 starts, when outdoor air pressure is higher, because the outdoor atmospheric side of flue adopts horizontal structure, the air-flow that outdoor hyperbar drives usually causes the flue negative pressure phenomenon, and boiler can not normally be started.Especially in the winter time wait windy season, this situation takes place very frequent, causes great inconvenience to resident living.
Summary of the invention
The objective of the invention is to propose a kind of smoke discharging pipe of domestic gas hot-water boiler, it is characterized in that, floss hole connects first bend pipe and straight tube by terminal pad on the boiler top, first bend pipe and straight tube two parts be divided into outer combustion air pipeline and the internal layer smoke discharging pipe two-layer; The straight tube level is passed window-glass, connects second bend pipe by connector on the internal layer smoke discharging pipe of straight tube outdoor end, connects one section smoke exhaust pipe vertically upward again in a mouthful place vertically upward at second bend pipe; This vertically upward smoke exhaust pipe stopped that the air-flow that outdoor hyperbar drives oppositely enters the internal layer smoke discharging pipe, avoided the formation of flue negative pressure, reduced the smoke evacuation fault rate of boiler.
Described second bend pipe and vertically upward smoke exhaust pipe be the individual layer tube wall.
Described first bend pipe and second bend pipe are the bend pipe of circular arc, and the two-port axis is orthogonal.
Installing hole slightly larger in diameter on the described window-glass is in straight tube overall diameter φ 1, and φ 1 with the difference of the diameter phi 2 of internal layer smoke discharging pipe is
Beneficial effect of the present invention is:
1. because the internal layer smoke discharging pipe connects one section smoke exhaust pipe vertically upward, this being arranged vertically, stopped that the air-flow that outdoor hyperbar drives oppositely enters the internal layer smoke discharging pipe, effectively avoided the formation of flue negative pressure, greatly reduce the smoke evacuation fault rate of boiler, guaranteed the startup of hot-water boiler normal reliable to a great extent, solved windy season boiler since the smoke evacuation fault he causes the normal operation problem;
2. introduce outer combustion air pipeline, horizontally disposed the helping of outer combustion air pipeline, introduced sufficient combustion air, makes burning more abundant; The internal layer smoke discharging pipe of outdoor atmospheric side is arranged vertically the draft that has then increased smoke evacuation, has strengthened the discharge capacity of flue gas; Two kinds of arrangements combine and make air stream more smooth and easy from the air-flow cyclic process that inlet enters and participates in burning, discharges as discharging fume, improved rate of energy, effectively reduced generation and discharging, reduced the deposition of burning dust simultaneously owing to the insufficient various harmful substances that cause of burning;
3. simple installation of the present invention does not increase extra installation workload substantially.
Description of drawings
Fig. 1 is the basic structure schematic diagram of the smoke discharging pipe of domestic gas hot-water boiler.
Fig. 2 is improved smoke discharging pipe structural representation.
The specific embodiment
The present invention proposes a kind of smoke discharging pipe of domestic gas hot-water boiler.2 couples of the present invention are illustrated below in conjunction with accompanying drawing.
Among Fig. 2, connect first bend pipe 7 and the straight tube by terminal pad 9 at boiler 1 top floss hole, first bend pipe 7 and straight tube two parts be divided into outer combustion air pipeline 5 and internal layer smoke discharging pipe 6 two-layer; The straight tube level is passed window-glass 12, on the internal layer smoke discharging pipe 6 of straight tube outdoor end, connect second bend pipe 10 by connector 11, connect one section smoke exhaust pipe 3 vertically upward again in a mouthful place vertically upward at second bend pipe 10, this is when smoke exhaust pipe is primarily aimed at existing domestic gas hot-water boiler smoke discharging pipe air pressure is higher out of doors vertically upward, because the outdoor atmospheric side of flue adopts horizontal structure, the air-flow that outdoor hyperbar drives usually causes the flue negative pressure phenomenon, the defective that boiler can not normally be started; Described second bend pipe and vertically upward smoke exhaust pipe be the individual layer tube wall.First bend pipe is employing with second bend pipe and is connected more than or equal to 30 ° circular arc is crooked, and referring to α among Fig. 21, α 2, promptly α is 1 〉=30 °, and 2 〉=30 ° of α can not be directly vertical the connections herein, avoid flow of flue gas to turn dog leg like this, and flow of flue gas is obstructed.
Installing hole slightly larger in diameter on the described window-glass is in straight tube overall diameter φ 1, and φ 1 with the difference of the diameter phi 2 of internal layer smoke discharging pipe is
Be the convenience when consider installing, φ 1 should be more than or equal to φ 1*1/4, that is: with the difference of internal layer smoke discharging pipe diameter phi 2
Referring to φ among Fig. 21, φ 2; Simultaneously, in level and vertical pipe crook, the two-port axis is orthogonal, thereby has stopped that the air-flow that outdoor hyperbar drives oppositely enters the internal layer smoke discharging pipe, has avoided the formation of flue negative pressure, has reduced the smoke evacuation fault rate of boiler.
Claims (4)
1. the smoke discharging pipe of a domestic gas hot-water boiler is characterized in that, floss hole connects first bend pipe and straight tube by terminal pad on the boiler top, first bend pipe and straight tube two parts be divided into outer combustion air pipeline and the internal layer smoke discharging pipe two-layer; The straight tube level is passed window-glass, on the internal layer smoke discharging pipe of straight tube outdoor end, connect second bend pipe by connector, connect one section smoke exhaust pipe vertically upward again in a mouthful place vertically upward at second bend pipe, this vertically upward smoke exhaust pipe stopped that the air-flow that outdoor hyperbar drives oppositely enters the internal layer smoke discharging pipe, avoid the formation of flue negative pressure, reduced the smoke evacuation fault rate of boiler.
2. according to the smoke discharging pipe of the described domestic gas hot-water boiler of claim 1, it is characterized in that, described second bend pipe and vertically upward smoke exhaust pipe be the individual layer tube wall.
3. according to the smoke discharging pipe of the described domestic gas hot-water boiler of claim 1, it is characterized in that described first bend pipe and second bend pipe are the bend pipe of circular arc, the two-port axis is orthogonal.
4. according to the smoke discharging pipe of the described domestic gas hot-water boiler of claim 1, it is characterized in that the installing hole slightly larger in diameter on the described window-glass is in straight tube overall diameter φ 1, φ 1 with the difference of the diameter phi 2 of internal layer smoke discharging pipe is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033425 CN102072497A (en) | 2011-01-30 | 2011-01-30 | Smoke venting pipeline for household gas-fired hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033425 CN102072497A (en) | 2011-01-30 | 2011-01-30 | Smoke venting pipeline for household gas-fired hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102072497A true CN102072497A (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110033425 Pending CN102072497A (en) | 2011-01-30 | 2011-01-30 | Smoke venting pipeline for household gas-fired hot water boiler |
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| Country | Link |
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| CN (1) | CN102072497A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615806A (en) * | 2013-08-09 | 2014-03-05 | 威能(北京)供暖设备有限公司 | Safety protection device for gas water heater exhaust pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3714822A1 (en) * | 1987-05-04 | 1988-11-17 | Ernst H Dipl Ing Hoffmann | Device for heating and simultaneous utilisation of the sensible and latent heat in the flue gas from fuels, the difference between whose gross and net calorific value is at least 3% |
| CN2135726Y (en) * | 1991-12-07 | 1993-06-09 | 沈阳铁路局勘测设计院沈阳院 | Moving type encentric rotating smoke exhauster |
| IT1263177B (en) * | 1991-01-25 | 1996-08-02 | Vaillant | HEATED WATER TANK WITH BURNER |
| CN2606305Y (en) * | 2003-03-12 | 2004-03-10 | 成都新星电器股份有限公司 | Balanced type air inlet and exhaust double-channel smoke tube of gas central water heater |
| CN2872118Y (en) * | 2006-02-10 | 2007-02-21 | 杨伯成 | Flue of water heater |
| CN1924457A (en) * | 2006-09-21 | 2007-03-07 | 王再坤 | Universal smoke exhaust ventilator without electricity |
| CN201954747U (en) * | 2011-01-30 | 2011-08-31 | 华北电力大学 | Smoke discharge pipeline of domestic gas water heating boiler |
-
2011
- 2011-01-30 CN CN 201110033425 patent/CN102072497A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3714822A1 (en) * | 1987-05-04 | 1988-11-17 | Ernst H Dipl Ing Hoffmann | Device for heating and simultaneous utilisation of the sensible and latent heat in the flue gas from fuels, the difference between whose gross and net calorific value is at least 3% |
| IT1263177B (en) * | 1991-01-25 | 1996-08-02 | Vaillant | HEATED WATER TANK WITH BURNER |
| CN2135726Y (en) * | 1991-12-07 | 1993-06-09 | 沈阳铁路局勘测设计院沈阳院 | Moving type encentric rotating smoke exhauster |
| CN2606305Y (en) * | 2003-03-12 | 2004-03-10 | 成都新星电器股份有限公司 | Balanced type air inlet and exhaust double-channel smoke tube of gas central water heater |
| CN2872118Y (en) * | 2006-02-10 | 2007-02-21 | 杨伯成 | Flue of water heater |
| CN1924457A (en) * | 2006-09-21 | 2007-03-07 | 王再坤 | Universal smoke exhaust ventilator without electricity |
| CN201954747U (en) * | 2011-01-30 | 2011-08-31 | 华北电力大学 | Smoke discharge pipeline of domestic gas water heating boiler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615806A (en) * | 2013-08-09 | 2014-03-05 | 威能(北京)供暖设备有限公司 | Safety protection device for gas water heater exhaust pipe |
| CN103615806B (en) * | 2013-08-09 | 2016-02-24 | 威能(北京)供暖设备有限公司 | Safety protection |
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Application publication date: 20110525 |