CN207132337U - Self-preheating temperature adjustment gas heating pipe - Google Patents
Self-preheating temperature adjustment gas heating pipe Download PDFInfo
- Publication number
- CN207132337U CN207132337U CN201721141401.4U CN201721141401U CN207132337U CN 207132337 U CN207132337 U CN 207132337U CN 201721141401 U CN201721141401 U CN 201721141401U CN 207132337 U CN207132337 U CN 207132337U
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- tube
- outer tube
- secondary air
- sleeve pipe
- air sleeve
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Abstract
A kind of self-preheating temperature adjustment gas heating pipe, including fuel burner nozzle, the fuel burner nozzle has mounting flange and flame tube, outer tube and the Secondary Air sleeve pipe being placed in the outer tube are connected with through described mounting flange, the Secondary Air sleeve pipe and outer tube are coaxially set with described flame tube, Secondary Air entrance is provided with the rear portion of Secondary Air sleeve pipe, exhaust opening is provided with the rear portion of outer tube；The front end of the Secondary Air sleeve pipe exceeds the segment length of spout one of the flame tube, and exceeds the uniform eddy flow fin of internal surface of sleeve pipe of section at it；The front end coaxial line connection smoke tube of the Secondary Air sleeve pipe, the outer tube wall of the smoke tube are provided with the supporting plate coordinated with the outer tube inner tubal wall；The front end of the outer tube is provided with the end-plate of interior convex, and the convex peak of the end-plate is located at the center of the end-plate.Combustion product gases temperature of the present utility model is easy to significantly adjust, and can greatly increase the length of heating tube bringing-up section, improves the uniformity of heating tube bulk temperature and the efficiency of heating surface of heating tube.
Description
Technical field
It the utility model is related to gas-operated thermal bath facility, and in particular to a kind of self-preheating temperature adjustment gas heating pipe.
Background technology
Gas heating pipe, mainly using fuel gas as fuel, burnt in special tubular seal structure, pass through heating tube
Wall is to radiate, convection current or conduction pattern indirectly heat heating object.Due to combustion atmosphere and combustion product not with being added
The characteristics of hot thing directly contacts, it is widely used in many occasions.Existing gas heating pipe, the temperature of its combustion product gases
Higher and can not significantly adjust, the length that heating tube bringing-up section is allowed is shorter, heats the non-uniform temperature of pipe outer wall.
The content of the invention
The purpose of this utility model is that this is certainly in view of the above-mentioned problems, providing a kind of self-preheating temperature adjustment gas heating pipe
The combustion product gases temperature of body preheating temperature adjustment gas heating pipe is easy to significantly adjust, and can have the length of increase heating tube bringing-up section
Degree, ensure that heating tube wall temperature is uniform.
Realizing the technical scheme of above-mentioned purpose is：A kind of self-preheating temperature adjustment gas heating pipe, including fuel burner nozzle, the combustion
Gas burner has mounting flange and flame tube, and outer tube and the secondary windband being placed in the outer tube are connected with through described mounting flange
Pipe, the Secondary Air sleeve pipe and outer tube are coaxially set with described flame tube, entered at the rear portion of Secondary Air sleeve pipe provided with Secondary Air
Mouthful, it is provided with exhaust opening at the rear portion of outer tube；The front end of the Secondary Air sleeve pipe exceeds the segment length of spout one of the flame tube, and
Exceed the uniform eddy flow fin of internal surface of sleeve pipe of section at it；The front end coaxial line connection smoke tube of the Secondary Air sleeve pipe, the cigarette
The outer tube wall of airway is provided with the supporting plate coordinated with the outer tube inner tubal wall；The front end of the outer tube is provided with the end of interior convex
Shrouding, the convex peak of the end-plate are located at the center of the end-plate.
Above-mentioned self-preheating temperature adjustment gas heating pipe, the front end of the Secondary Air sleeve pipe are provided with taper necking.
Above-mentioned self-preheating temperature adjustment gas heating pipe, is respectively equipped with the inside and outside tube wall of the Secondary Air sleeve pipe and changes
Hot fin.
Above-mentioned self-preheating temperature adjustment gas heating pipe, described outer tube is divided to forward and backward two sections, and is connected through adpting flange.
Secondary Air sleeve pipe and fuel burner nozzle are combined by this self-preheating temperature adjustment gas heating pipe, coordinate specifically mixed wind chamber
And eddy flow fin structure, the high-temperature flue gas that burner sprays is sufficiently mixed with Secondary Air, can easily control mixed flue gas
Temperature, while the flow velocity of mixed flue gas is improved, so as to realize can significantly adjust to heating tube surface temperature, while energy
The length of heating tube bringing-up section is enough greatly increased, and ensures the uniformity of heating tube bulk temperature.
The end-plate of outer tube is arranged to interior convex form by this self-preheating temperature adjustment gas heating pipe, mixed flue gas can be made to exist
Outer tube front end forms uniform air-flow of turning back, and is advantageous to improve the uniformity of heating tube bulk temperature.
This self-preheating temperature adjustment gas heating pipe sets taper necking in the front end of Secondary Air sleeve pipe, is advantageous to high-temperature flue gas
With being sufficiently mixed for Secondary Air, while be advantageous to improve mixed flue gas by mix wind outlet discharge flow velocity.
This self-preheating temperature adjustment gas heating pipe sets heat exchange fin, energy respectively on the inside and outside tube wall of Secondary Air sleeve pipe
The efficiency of flue gas preheating Secondary Air is enough improved, most of heat in flue gas is reclaimed while exhaust gas temperature is reduced, enters one
Step improves the efficiency of heating surface of heating tube.
Brief description of the drawings
Fig. 1 is the structural representation of this self-preheating temperature adjustment gas heating pipe.
In figure：1st, fuel burner nozzle；1.1st, mounting flange；1.2nd, flame tube；1.3rd, spout；2nd, outer tube；3rd, Secondary Air sleeve pipe；
4th, Secondary Air entrance；5th, exhaust opening；6th, eddy flow fin；7th, smoke tube；8th, supporting plate；9th, end-plate；10th, taper necking；11、
Heat exchange fin；12nd, adpting flange.
Embodiment
The utility model is described in further detail in conjunction with the accompanying drawings and embodiments.
Such as Fig. 1, this self-preheating temperature adjustment gas heating pipe includes fuel burner nozzle 1, and the fuel burner nozzle 1 has mounting flange
1.1 and flame tube 1.2, the outer tube 2 and Secondary Air sleeve pipe 3 of Straight be fixedly connected by mounting flange 1.1 with fuel burner nozzle 1,
The Secondary Air sleeve pipe 3 and outer tube 2 are coaxially set with flame tube 1.2, and are formed between flame tube 1.2 and Secondary Air sleeve pipe 3
Discharge flue between secondary air channel and Secondary Air sleeve pipe 3 and outer tube 2, enter at the rear portion of Secondary Air sleeve pipe 3 provided with Secondary Air
Mouth 4, exhaust opening 5 is provided with the rear portion of outer tube 2.The front end of Secondary Air sleeve pipe 3 exceeds the segment length of spout 1.3 1 of flame tube 1.2,
And the eddy flow fin 6 at it beyond the internal surface of sleeve pipe distributing auger shape of section, the present embodiment are provided with cone in the front end of Secondary Air sleeve pipe 3
Shape necking 10, eddy flow fin 6 extend to the port of taper necking 10.The front end coaxial line connection smoke tube of Secondary Air sleeve pipe 3
7, the caliber of the smoke tube 7 is identical with the caliber of Secondary Air sleeve pipe 3, and smoke tube 7 can use fixed connect with Secondary Air sleeve pipe 3
Connect or on-fixed connects, the supporting plate 8 being engaged with the inner tubal wall of outer tube 2 is distributed with the outer tube wall of smoke tube 7, is used for
Radial position of the fixed smoke tube 7 in outer tube 2.The front end of supporting plate 8 of Fig. 1 embodiments contacts with the end-plate 9 of outer tube 2 matches somebody with somebody
Close, controllable axial location of the smoke tube 7 in outer tube 2 when smoke tube 7 is using on-fixed connected mode.Before outer tube 2
The end-plate 9 that end is set is located at the centre bit of the end-plate using convex structure in the conical surface, the convex peak of the end-plate 9
Put.
Such as Fig. 1 embodiments, heat exchange fin 11 is distributed with respectively on the inside and outside tube wall of Secondary Air sleeve pipe 3, is changed to strengthen
Thermal effect.
Such as Fig. 1 embodiments, the outer tube 2 of this self-preheating temperature adjustment gas heating pipe is divided to forward and backward two sections, and through adpting flange 12
Connection, in order to which the installation of this self-preheating temperature adjustment gas heating pipe is fixed, adjust the length of heating tube and facilitates adding for part
Work and replacing.
Claims (4)
1. a kind of self-preheating temperature adjustment gas heating pipe, including fuel burner nozzle（1）, the fuel burner nozzle（1）With mounting flange
（1.1）And flame tube（1.2）, it is characterized in that：Through described mounting flange（1.1）It is connected with outer tube（2）Be placed in the outer tube（2）
Interior Secondary Air sleeve pipe（3）, the Secondary Air sleeve pipe（3）And outer tube（2）With described flame tube（1.2）It is coaxially set, two
Secondary windband pipe（3）Rear portion be provided with Secondary Air entrance（4）, in outer tube（2）Rear portion be provided with exhaust opening（5）；The secondary windband
Pipe（3）Front end exceed the flame tube（1.2）Spout（1.3）One segment length, and it is uniform beyond the internal surface of sleeve pipe of section at it
Eddy flow fin（6）；The Secondary Air sleeve pipe（3）Front end coaxial line connection smoke tube（7）, the smoke tube（7）Outer tube
Wall is provided with and the outer tube（2）The supporting plate that inner tubal wall coordinates（8）；The outer tube（2）Front end be provided with interior convex end seal
Plate（9）, the end-plate（9）Convex peak be located at the center of the end-plate.
2. self-preheating temperature adjustment gas heating pipe according to claim 1, it is characterized in that：The Secondary Air sleeve pipe（3）'s
Front end is provided with taper necking（10）.
3. self-preheating temperature adjustment gas heating pipe according to claim 1, it is characterized in that：In the Secondary Air sleeve pipe（3）
Inside and outside tube wall on be respectively equipped with heat exchange fin（11）.
4. self-preheating temperature adjustment gas heating pipe according to claim 1, it is characterized in that：Described outer tube（2）Divide forward and backward
Two sections, and through adpting flange（12）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721141401.4U CN207132337U (en) | 2017-09-07 | 2017-09-07 | Self-preheating temperature adjustment gas heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721141401.4U CN207132337U (en) | 2017-09-07 | 2017-09-07 | Self-preheating temperature adjustment gas heating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207132337U true CN207132337U (en) | 2018-03-23 |
Family
ID=61637641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721141401.4U Active CN207132337U (en) | 2017-09-07 | 2017-09-07 | Self-preheating temperature adjustment gas heating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207132337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186037A (en) * | 2019-06-26 | 2019-08-30 | 国电龙源节能技术有限公司 | It is a kind of based on the vortex burner being pyrolyzed in advance |
-
2017
- 2017-09-07 CN CN201721141401.4U patent/CN207132337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186037A (en) * | 2019-06-26 | 2019-08-30 | 国电龙源节能技术有限公司 | It is a kind of based on the vortex burner being pyrolyzed in advance |
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| GR01 | Patent grant |