CN201954747U - Smoke discharge pipeline of domestic gas water heating boiler - Google Patents
Smoke discharge pipeline of domestic gas water heating boiler Download PDFInfo
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- CN201954747U CN201954747U CN2011200335543U CN201120033554U CN201954747U CN 201954747 U CN201954747 U CN 201954747U CN 2011200335543 U CN2011200335543 U CN 2011200335543U CN 201120033554 U CN201120033554 U CN 201120033554U CN 201954747 U CN201954747 U CN 201954747U
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- discharge pipeline
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Abstract
The utility model discloses a smoke discharge pipeline of a domestic gas water heating boiler, belonging to the field of a smoke discharge pipeline device. A flue hole arranged on the top of the boiler is connected with a first elbow pipe and a straight pipe by a plurality of connecting discs; the first elbow pipe and the straight pipe are respectively divided into two layers including an outer-layer combustion air pipeline and an inner-layer smoke discharge pipeline; the straight pipe horizontally passes through the glass of a window; the inner-layer smoke discharge pipeline at an outdoor end of the straight pipe is connected with a second elbow pipe by a connecting piece; and a section of vertical and upward smoke discharge pipe is connected at a vertical and upward hole of the second elbow pipe. Due to the vertical arrangement of the vertical and upward smoke discharge pipe connected with the inner-layer smoke discharge pipeline, the air flow driven by outdoor high pressure can not reversely enter into the inner-layer smoke discharge pipeline; and due to the horizontal arrangement of the outer-layer combustion air pipeline, the negative pressure of the flue can not be formed, the smoke discharge failure rate of the boiler can be reduced, the deposition of combustion dust can be reduced, the utilization rate of energy sources can be greatly improved, and the generation and the emission of various harmful substances can be effectively reduced. Furthermore, the smoke discharge pipeline of the domestic gas water heating boiler is simple and convenient to install, and the extra installation work load is basically not increased.
Description
Technical field
The utility model 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.
The utility model content
The utility model is when air pressure is higher out of doors at existing domestic gas hot-water boiler smoke discharging pipe, 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, a kind of smoke discharging pipe of domestic gas hot-water boiler is proposed, 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.
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
The beneficial effects of the utility model are:
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. the utility model simple installation 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 utility model proposes a kind of smoke discharging pipe of domestic gas hot-water boiler.Illustrated below in conjunction with 2 pairs of the utility model of 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, connects second bend pipe 10 by connector 11 on the internal layer smoke discharging pipe 6 of straight tube outdoor end, connects one section smoke exhaust pipe 3 vertically upward again in a mouthful place vertically upward at second bend pipe 10.Described second bend pipe and vertically upward smoke exhaust pipe be the individual layer tube wall.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
When air pressure was higher out of doors at existing domestic gas hot-water boiler smoke discharging pipe, because the outdoor atmospheric side of flue adopts horizontal structure, the air-flow that outdoor hyperbar drives usually caused the flue negative pressure phenomenon, the defective that boiler can not normally be started
Owing to be positioned at installing hole slightly larger in diameter on user's balcony windows in outer combustion air pipeline diameter phi 1, the convenience when considering to install, 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, adopting the bending more than or equal to 30 ° to connect, can not be directly vertical the connection, and flow of flue gas turns dog leg like this, and flow of flue gas is obstructed; Referring to α among Fig. 21, α 2, promptly α is 1 〉=30 °, 2 〉=30 ° of α.
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, 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.
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 |
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CN2011200335543U CN201954747U (en) | 2011-01-30 | 2011-01-30 | Smoke discharge pipeline of domestic gas water heating boiler |
Applications Claiming Priority (1)
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CN2011200335543U CN201954747U (en) | 2011-01-30 | 2011-01-30 | Smoke discharge pipeline of domestic gas water heating boiler |
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CN201954747U true CN201954747U (en) | 2011-08-31 |
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CN2011200335543U Expired - Fee Related CN201954747U (en) | 2011-01-30 | 2011-01-30 | Smoke discharge pipeline of domestic gas water heating boiler |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102072497A (en) * | 2011-01-30 | 2011-05-25 | 华北电力大学 | Smoke venting pipeline for household gas-fired hot water boiler |
CN103727653A (en) * | 2013-12-23 | 2014-04-16 | 天津城建大学 | Negative-pressure injection type full-premix sectional combustion heating device |
CN108916897A (en) * | 2018-05-24 | 2018-11-30 | 苏州木山云智能科技有限公司 | A kind of smoke exhaust pipe with electrical equipment control smoke control system |
CN109028115A (en) * | 2018-05-24 | 2018-12-18 | 苏州木山云智能科技有限公司 | A kind of self-cleaning mechanism of smoke exhaust pipe |
CN109028116A (en) * | 2018-05-24 | 2018-12-18 | 苏州木山云智能科技有限公司 | A kind of smoke exhaust pipe with long service life |
CN112128787A (en) * | 2020-08-24 | 2020-12-25 | 南京林业大学 | Flue pipe for wall-mounted furnace |
-
2011
- 2011-01-30 CN CN2011200335543U patent/CN201954747U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102072497A (en) * | 2011-01-30 | 2011-05-25 | 华北电力大学 | Smoke venting pipeline for household gas-fired hot water boiler |
CN103727653A (en) * | 2013-12-23 | 2014-04-16 | 天津城建大学 | Negative-pressure injection type full-premix sectional combustion heating device |
CN108916897A (en) * | 2018-05-24 | 2018-11-30 | 苏州木山云智能科技有限公司 | A kind of smoke exhaust pipe with electrical equipment control smoke control system |
CN109028115A (en) * | 2018-05-24 | 2018-12-18 | 苏州木山云智能科技有限公司 | A kind of self-cleaning mechanism of smoke exhaust pipe |
CN109028116A (en) * | 2018-05-24 | 2018-12-18 | 苏州木山云智能科技有限公司 | A kind of smoke exhaust pipe with long service life |
CN112128787A (en) * | 2020-08-24 | 2020-12-25 | 南京林业大学 | Flue pipe for wall-mounted furnace |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20140130 |