CN105276797A - Tubular heating furnace with efficient and uniform heating - Google Patents
Tubular heating furnace with efficient and uniform heating Download PDFInfo
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- CN105276797A CN105276797A CN201510737617.6A CN201510737617A CN105276797A CN 105276797 A CN105276797 A CN 105276797A CN 201510737617 A CN201510737617 A CN 201510737617A CN 105276797 A CN105276797 A CN 105276797A
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- combustion chamber
- heater
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Abstract
The invention belongs to the technical field of tubular heating furnaces and discloses a tubular heating furnace with efficient and uniform heating, and the tubular heating furnace is used for solving the problem that a current tubular heating furnace is uneven in medium heating. The tubular heating furnace comprises a tubular furnace body, wherein a combustion chamber and a heat exchange chamber are arranged in the tubular furnace body; one end of the tubular furnace body is a combustion chamber inlet which is communicated with the combustion chamber; the other end of the tubular furnace body is a smoke exhaust opening which is communicated with the combustion chamber; the tubular furnace body, close to the combustion chamber inlet, is provided with a heated medium outlet; the tubular furnace body, close to the smoke exhaust opening, is provided with a heated medium inlet; the heat exchange chamber, the heated medium inlet and the heated medium outlet are communicated with one another; the combustion chamber comprises an outer combustion chamber and an inner combustion chamber; the outer combustion chamber is arranged on the inner wall of the tubular furnace body in a sleeving mode; the inner combustion chamber is mutually communicated with the bottom of the outer combustion chamber; the tops of the inner combustion chamber and the outer combustion chamber are communicated with the smoke exhaust opening; and the heat exchange chamber for medium heating is formed between the inner combustion chamber and the outer combustion chamber.
Description
Technical field
The invention belongs to tubular heater technical field, specifically disclose a kind of efficient uniform heated Tube heating furnace.
Background technology
The Furnace used in the industry such as tubular heater is petroleum refining, petrochemical industry, Coal Chemical Industry, tar production, Crude Oil Transportation, heated material is gas or liquid at Bottomhole pressure medium; And be all inflammable and explosive material, operating condition is harsh, simultaneously long-term operation hitless operation, mode of heating is directly by fire.The exhaust gas temperature of tubular heater can be reduced to about 100 DEG C, realize the partial condensation containing sour water steam in flue gas, and while recovered flue gas low temperature sensible heat, energy recovery section is containing the latent heat of vaporization of sour water steam, further raising thermal efficiency of heating furnace, economize energy.
Also more about the document of tubular heater in prior art, such as application number be 200910026382.4 patent of invention disclose a kind of tubular heater, comprise body of heater, boiler tube and burner, boiler tube is arranged in body of heater, burner is arranged in body of heater, be provided with radiant body between burner in body of heater and boiler tube, this radiant body forms radiation lumen in body of heater, and radiation lumen is positioned at the central area of body of heater; Burner and radiation lumen are interconnected; Radiation lumen is square box shape or circle; Radiation lumen is single chamber or multi-cavity; Be provided with radiant body between boiler tube and body of heater, radiant body and body of heater form radiation exocoel, and this radiation exocoel is connected with radiation lumen; When the burner of heating furnace is tipburn, the end burns or side is burnt, burner is connected with radiation exocoel; Radiant body is ceramic heat conductor or high alloy heat carrier, and the body wall of radiant body offers radial or oblique hole; Boiler tube is snakelike or helical form boiler tube, the convex radiant body being communicated with radiant body or stretching between pipe is provided with outward between boiler tube adjacent tubular segments, the convex radiant body being communicated with radiant body or stretching in outward between pipe, connection radiant body or the convex radiant body stretched in outward between pipe are the honeycomb ceramics or the entity heat carrier that have through hole, and connection radiant body or the convex radiant body stretched in outward between pipe are connected or are communicated with the radiation lumen of boiler tube both sides with radiation exocoel by through hole; The heat storage of the outlet of body of heater and flue gas waste heat recovery apparatus or heat storage type combustion is connected and communicates, the heat storage connection of flue gas waste heat recovery apparatus or heat storage type combustion communicates, flue gas waste heat recovery apparatus is connected with chimney and communicates, and the combustion air line that the preheated air that flue gas waste heat recovery apparatus produces passes into burner by pipeline connects; Exhanst gas outlet flows into flue and enters between flue gas waste heat recovery apparatus, is added with flue gas material convection recuperator.
Application number be 200920158985.5 utility model patent disclose a kind of tubular heater, comprise horizontal body of heater, heat-proof device and heat-exchanger rig is provided with in horizontal body of heater, heat-proof device is made up of monolithc lining and flame-retardant fibre board, monolithc lining is closely connected in the inwall of horizontal body of heater, and flame-retardant fibre board is fixed on the surface of monolithc lining; Heat-exchanger rig is made up of boiler tube, and boiler tube is located at the inner side of flame-retardant fibre board, and the two ends of boiler tube are stretched out in the outside of horizontal body of heater; Horizontal body of heater is provided with explosion-protection equipment; Horizontal body of heater is provided with connecting hole and hanger; Bracing or strutting arrangement is provided with below horizontal body of heater.
Application number be 201110459125.7 patent of invention disclose a kind of waste heat recovery system of pipe heater, comprise air blast, front preheating process device and air preheater, front preheating process device is arranged at import department or the exit of air blast, the outlet of front preheating process device is connected with the import of air preheater, cold air is after air blast, enter front preheating process device, discharge after preposition preheater heating, finally enter air preheater; Front preheating process device is finned tube exchanger or tube bundle heat exchanger; Thermal source in front preheating process device is hot water or steam.
But, although existing tube heater is provided with flow-disturbing heat exchanger tube between combustion chamber and Heat Room, but flow-disturbing heat exchanger tube is independent be arranged on a certain position or a certain region, but very fast owing to passing into the medium speed of service in Heat Room, gas or liquid medium therefore can be caused to be heated uneven problem.
Summary of the invention
The uneven problem of dielectric heating that the present invention exists to solve existing tubular heater, and provide a kind of efficient uniform heated Tube heating furnace, the medium of hot Heat Room can be heated evenly, improves the effect of dielectric heating.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of efficient uniform heated Tube heating furnace, comprise tubular type body of heater, it is characterized in that, combustion chamber and heat-exchanging chamber is provided with in described tubular type body of heater, one end of described tubular type body of heater is the entry of combustion chamber with combustion chamber, the other end of tubular type body of heater is the exhaust opening with combustion chamber, the tubular type body of heater near entry of combustion chamber is provided with heated medium outlet, the tubular type body of heater near exhaust opening is provided with heated medium entrance; Described heat-exchanging chamber and heated medium entrance export with heated medium and are communicated with mutually; Described combustion chamber comprises combustion chamber exterior combustion chamber and inner combustion chamber, and described exterior combustion chamber is set on the inwall of tubular type body of heater, and the bottom of described inner combustion chamber and exterior combustion chamber is interconnected, and described inner combustion chamber is communicated with exhaust opening with the top of exterior combustion chamber; The heat-exchanging chamber being used for medium and being heated is formed between described inner combustion chamber and exterior combustion chamber; The inwall of described exterior combustion chamber is provided with the first spiral deflector, and the outer wall of described inner combustion chamber is provided with second spiral deflector contrary with the first spiral deflector hand of spiral.
Described heat-exchanging chamber is divided into the high-temperature hot switch room and Low Temperature Thermal switch room that are interconnected, and described Low Temperature Thermal switch room is communicated with heated medium entrance, described high-temperature hot switch room and heated medium outlet.
Described heated medium entrance is tangentially arranged on tubular type body of heater.
The width of the first neighbouring spiral deflector is not identical.
Described exhaust opening is connected with smoke exhaust pipe, is connected with resilient seal device between described exhaust opening and smoke exhaust pipe.
Compared with prior art, the present invention has following beneficial effect:
Efficient uniform heated Tube heating furnace of the present invention, by combustion chamber is divided into inner combustion chamber and exterior combustion chamber, the heat-exchanging chamber that heated medium can be formed in inner combustion chamber and exterior combustion chamber heats, compare existing heated on one side, the both sides of heated medium can both be heated, thus improve the uniformity of heating, improve the efficiency of heating surface.
The present invention is simultaneously by arranging the first spiral stream guidance and the second spiral deflector, and the hand of spiral of the first spiral deflector and the second spiral deflector is contrary, therefore medium meeting ceaselessly flow-disturbing in the process of heat exchange indoor moveable, thus the medium of each position can both be heated, improve the uniformity of heating further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Mark in figure: 1, tubular type body of heater, 2, exterior combustion chamber, 3, heat-exchanging chamber, 4, connecting pipe, 5, inner combustion chamber, 6, heated medium entrance, 7, heated medium outlet, 8, smoke exhaust pipe, the 9, second spiral deflector, the 10, first spiral deflector.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and described embodiment is only the present invention's part embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection scope of the present invention.
By reference to the accompanying drawings, efficient uniform heated Tube heating furnace of the present invention, comprise tubular type body of heater 1, combustion chamber and heat-exchanging chamber 3 is provided with in described tubular type body of heater 1, one end of described tubular type body of heater 1 is the entry of combustion chamber with combustion chamber, the other end of tubular type body of heater 1 is the exhaust opening with combustion chamber, the tubular type body of heater 1 near entry of combustion chamber is provided with heated medium outlet 7, the tubular type body of heater 1 near exhaust opening is provided with heated medium entrance 6; Described heat-exchanging chamber 3 exports 7 with heated medium entrance 6 and heated medium and is communicated with mutually; Described combustion chamber comprises combustion chamber exterior combustion chamber 2 and inner combustion chamber 5, described exterior combustion chamber 2 is set on the inwall of tubular type body of heater 1, described inner combustion chamber 5 is interconnected with the bottom of exterior combustion chamber 2, and described inner combustion chamber 5 is communicated with exhaust opening with the top of exterior combustion chamber 2; The heat-exchanging chamber 3 being used for medium and being heated is formed between described inner combustion chamber 5 and exterior combustion chamber 2; The inwall of described exterior combustion chamber 2 is provided with the first spiral deflector 10, and the outer wall of described inner combustion chamber 5 is provided with second spiral deflector 9 contrary with first spiral deflector 10 hand of spiral.
Efficient tube type heating furnace of the present invention, by combustion chamber is divided into inner combustion chamber and exterior combustion chamber, the heat-exchanging chamber that heated medium can be formed in inner combustion chamber and exterior combustion chamber heats, compare existing heated on one side, (outside of heated medium and exterior combustion chamber carry out heat exchange in the both sides of heated medium, with inner combustion chamber's heat exchange inside Shou Re Jie Zhi Alto) can both heat, thus improve the uniformity of heating, improve the efficiency of heating surface.
The present invention is simultaneously by arranging the first spiral stream guidance and the second spiral deflector, and the hand of spiral of the first spiral deflector and the second spiral deflector is contrary, therefore medium meeting ceaselessly flow-disturbing in the process of heat exchange indoor moveable, thus the medium of each position can both be heated, improve the uniformity of heating further.
As a kind of preferred mode of the present invention, described heat-exchanging chamber is divided into the high-temperature hot switch room and Low Temperature Thermal switch room that are interconnected, and described Low Temperature Thermal switch room is communicated with heated medium entrance, described high-temperature hot switch room and heated medium outlet.
Heated medium entrance 6 of the present invention is tangentially arranged on tubular type body of heater 1, makes the medium entering heat-exchanging chamber to form eddy current.
The width of the first neighbouring spiral deflector of the present invention is not identical.
As a kind of preferred mode of the present invention, described exhaust opening is connected with smoke exhaust pipe 8, is connected with resilient seal device between described exhaust opening and smoke exhaust pipe 8, and resilient seal device belongs to prior art products, those skilled in the art understands and understands, and does not repeat them here.Can be ensured the normal operation of product by resilient seal device, because the temperature of combustion chamber is higher, therefore the expanded by heating of material is comparatively large, therefore solves this problem by resilient seal device.
Embodiment one
Efficient uniform heated Tube heating furnace of the present invention, comprise tubular type body of heater, combustion chamber and heat-exchanging chamber is provided with in described tubular type body of heater, one end of described tubular type body of heater is the entry of combustion chamber with combustion chamber, the other end of tubular type body of heater is the exhaust opening with combustion chamber, tubular type body of heater near entry of combustion chamber is provided with heated medium outlet, the tubular type body of heater near exhaust opening is provided with heated medium entrance; Described heat-exchanging chamber and heated medium entrance export with heated medium and are communicated with mutually; Described combustion chamber comprises combustion chamber exterior combustion chamber and inner combustion chamber, and described exterior combustion chamber is set on the inwall of tubular type body of heater, and the bottom of described inner combustion chamber and exterior combustion chamber is interconnected, and described inner combustion chamber is communicated with exhaust opening with the top of exterior combustion chamber; The heat-exchanging chamber being used for medium and being heated is formed between described inner combustion chamber and exterior combustion chamber; The inwall of described exterior combustion chamber is provided with the first spiral deflector, and the outer wall of described inner combustion chamber is provided with second spiral deflector contrary with the first spiral deflector hand of spiral.
Embodiment two
Efficient uniform heated Tube heating furnace of the present invention, comprise tubular type body of heater, combustion chamber and heat-exchanging chamber is provided with in described tubular type body of heater, one end of described tubular type body of heater is the entry of combustion chamber with combustion chamber, the other end of tubular type body of heater is the exhaust opening with combustion chamber, tubular type body of heater near entry of combustion chamber is provided with heated medium outlet, the tubular type body of heater near exhaust opening is provided with heated medium entrance; Described heat-exchanging chamber and heated medium entrance export with heated medium and are communicated with mutually; Described combustion chamber comprises combustion chamber exterior combustion chamber and inner combustion chamber, and described exterior combustion chamber is set on the inwall of tubular type body of heater, and the bottom of described inner combustion chamber and exterior combustion chamber is interconnected, and described inner combustion chamber is communicated with exhaust opening with the top of exterior combustion chamber; The heat-exchanging chamber being used for medium and being heated is formed between described inner combustion chamber and exterior combustion chamber; The inwall of described exterior combustion chamber is provided with the first spiral deflector, and the outer wall of described inner combustion chamber is provided with second spiral deflector contrary with the first spiral deflector hand of spiral; Described heat-exchanging chamber is divided into the high-temperature hot switch room and Low Temperature Thermal switch room that are interconnected, and described Low Temperature Thermal switch room is communicated with heated medium entrance, described high-temperature hot switch room and heated medium outlet.
Embodiment three
On the basis of embodiment one or embodiment two, described heated medium entrance is tangentially arranged on tubular type body of heater.
Embodiment four
On the basis of above-mentioned any embodiment, the width of the first neighbouring spiral deflector is not identical.
Embodiment five
On the basis of above-mentioned any embodiment, described exhaust opening is connected with smoke exhaust pipe, is connected with resilient seal device between described exhaust opening and smoke exhaust pipe.
Claims (5)
1. an efficient uniform heated Tube heating furnace, comprise tubular type body of heater, it is characterized in that, combustion chamber and heat-exchanging chamber is provided with in described tubular type body of heater, one end of described tubular type body of heater is the entry of combustion chamber with combustion chamber, the other end of tubular type body of heater is the exhaust opening with combustion chamber, the tubular type body of heater near entry of combustion chamber is provided with heated medium outlet, the tubular type body of heater near exhaust opening is provided with heated medium entrance; Described heat-exchanging chamber and heated medium entrance export with heated medium and are communicated with mutually; Described combustion chamber comprises combustion chamber exterior combustion chamber and inner combustion chamber, and described exterior combustion chamber is set on the inwall of tubular type body of heater, and the bottom of described inner combustion chamber and exterior combustion chamber is interconnected, and described inner combustion chamber is communicated with exhaust opening with the top of exterior combustion chamber; The heat-exchanging chamber being used for medium and being heated is formed between described inner combustion chamber and exterior combustion chamber; The inwall of described exterior combustion chamber is provided with the first spiral deflector, and the outer wall of described inner combustion chamber is provided with second spiral deflector contrary with the first spiral deflector hand of spiral.
2. efficient uniform heated Tube heating furnace according to claim 1, it is characterized in that, described heat-exchanging chamber is divided into the high-temperature hot switch room and Low Temperature Thermal switch room that are interconnected, and described Low Temperature Thermal switch room is communicated with heated medium entrance, described high-temperature hot switch room and heated medium outlet.
3. efficient uniform heated Tube heating furnace according to claim 1, is characterized in that, described heated medium entrance is tangentially arranged on tubular type body of heater.
4. efficient uniform heated Tube heating furnace according to claim 1, is characterized in that, the width of the first neighbouring spiral deflector is not identical.
5., according to the arbitrary described efficient uniform heated Tube heating furnace of claim 1-4, it is characterized in that, described exhaust opening is connected with smoke exhaust pipe, is connected with resilient seal device between described exhaust opening and smoke exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737617.6A CN105276797A (en) | 2015-11-04 | 2015-11-04 | Tubular heating furnace with efficient and uniform heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737617.6A CN105276797A (en) | 2015-11-04 | 2015-11-04 | Tubular heating furnace with efficient and uniform heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105276797A true CN105276797A (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737617.6A Pending CN105276797A (en) | 2015-11-04 | 2015-11-04 | Tubular heating furnace with efficient and uniform heating |
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| Country | Link |
|---|---|
| CN (1) | CN105276797A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1547233A (en) * | 1965-11-12 | 1968-11-22 | Basf Ag | Process for the production of olefins, in particular ethylene, by thermal dissociation of hydrocarbons |
| CN2375925Y (en) * | 1999-04-12 | 2000-04-26 | 黄元城 | Hot water boiler body |
| CN2730462Y (en) * | 2004-05-31 | 2005-10-05 | 张跟东 | Spiral type dust-removing and air-purification equipment |
| CN204373188U (en) * | 2015-03-09 | 2015-06-03 | 西安恒旭科技发展有限公司 | A kind of oil field shaft mouth crude oil heater |
| CN205227786U (en) * | 2015-11-04 | 2016-05-11 | 苏俊兰 | High -efficient even heating tube heating furnace |
-
2015
- 2015-11-04 CN CN201510737617.6A patent/CN105276797A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1547233A (en) * | 1965-11-12 | 1968-11-22 | Basf Ag | Process for the production of olefins, in particular ethylene, by thermal dissociation of hydrocarbons |
| CN2375925Y (en) * | 1999-04-12 | 2000-04-26 | 黄元城 | Hot water boiler body |
| CN2730462Y (en) * | 2004-05-31 | 2005-10-05 | 张跟东 | Spiral type dust-removing and air-purification equipment |
| CN204373188U (en) * | 2015-03-09 | 2015-06-03 | 西安恒旭科技发展有限公司 | A kind of oil field shaft mouth crude oil heater |
| CN205227786U (en) * | 2015-11-04 | 2016-05-11 | 苏俊兰 | High -efficient even heating tube heating furnace |
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Application publication date: 20160127 |
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| RJ01 | Rejection of invention patent application after publication |