Efficient tube type equiflux heater
Technical field
This utility model belongs to tubular heater technical field, specifically discloses a kind of efficient tube type equiflux heater.
Background technology
Tubular heater is the Furnace used in the industry such as petroleum refining, petrochemical industry, Coal Chemical Industry, tar production, Crude Oil Transportation, and heated material is gas or liquid at Bottomhole pressure medium;And being all inflammable and explosive material, operating condition is harsh, long-term operation hitless operation simultaneously, mode of heating is directly by fire.The exhaust gas temperature of tubular heater can be reduced to about 100 DEG C, it is achieved contains the partial condensation of sour water steam in flue gas, and while recovered flue gas low temperature sensible heat, the energy recovery section latent heat of vaporization containing sour water steam, improves thermal efficiency of heating furnace further, saves the energy.
In prior art, the document about tubular heater is the most more, the such as patent of invention of Application No. 200910026382.4 discloses a kind of tubular heater, including body of heater, boiler tube and burner, boiler tube is arranged in body of heater, burner is arranged in body of heater, being provided with radiant body between burner and boiler tube in body of heater, 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;Being 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, end burning or side burning, burner is connected with radiation exocoel;Radiant body is ceramic heat conductor or high alloy heat carrier, offers radial direction or oblique hole on the body wall of radiant body;Boiler tube is snakelike or helical form boiler tube, radiant body or the convex radiant body stretching in outward between pipe it is communicated with between boiler tube adjacent tubular segments, connect radiant body or stretch in outward the convex radiant body between pipe, connection radiant body or to stretch in outward the convex radiant body between pipe be honeycomb ceramics or the entity heat carrier having through hole, connection radiant body or stretch in outward convex radiant body between the pipe radiation lumen by through hole and boiler tube both sides and radiate exocoel and be connected or connect;The outlet of body of heater is connected with the heat storage of flue gas waste heat recovery apparatus or heat storage type combustion 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 and chimney connection communicate, and the combustion air line that the preheated air that flue gas waste heat recovery apparatus produces is passed through burner by pipeline connects;Exhanst gas outlet flows into flue and enters between flue gas waste heat recovery apparatus, added with flue gas material convection recuperator.
The utility model patent of Application No. 200920158985.5 discloses a kind of tubular heater, including horizontal body of heater, heat ray filter and heat-exchanger rig it is provided with in horizontal chamber furnace (oven) body, heat ray filter 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 outside at horizontal body of heater is stretched out at the two ends of boiler tube;Horizontal body of heater is provided with explosion-protection equipment;Horizontal body of heater is provided with connecting hole and hanger;Horizontal body of heater is arranged below support means.
The patent of invention of Application No. 201110459125.7 discloses a kind of waste heat recovery system of pipe heater, including aerator, front preheating process device and air preheater, front preheating process device is arranged at import department or the exit of aerator, the outlet of front preheating process device is connected with the import of air preheater, cold air is after aerator, enter front preheating process device, discharge after preposition preheater heats, 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 combustor and Heat Room, but flow-disturbing heat exchanger tube is simply individually arranged on a certain position or a certain region, but owing to the medium speed of service that is passed through in Heat Room is very fast, gas or liquid medium therefore can be caused to be heated uneven problem.
Utility model content
The medium that this utility model exists to solve existing tubular heater heats uneven problem, and provides a kind of efficient tube type equiflux heater, it is possible to the medium of hot Heat Room is heated evenly, and improves the effect of medium heating.
For solving above-mentioned technical problem, this utility model be the technical scheme is that
Efficient tube type equiflux heater, including tubular type body of heater, it is characterized in that, it is provided with combustor and heat-exchanging chamber in described tube furnace body, 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, is being provided with heated medium outlet, is being provided with heated medium entrance on the tubular type body of heater of exhaust opening on the tubular type body of heater of entry of combustion chamber;Described heat-exchanging chamber exports with heated medium entrance and heated medium and connects mutually;Described combustor includes that combustor exterior combustion chamber and inner combustion chamber, described exterior combustion chamber are set on the inwall of tubular type body of heater, and described inner combustion chamber is interconnected with the bottom of exterior combustion chamber, and described inner combustion chamber connects with exhaust opening with the top of exterior combustion chamber;The heat-exchanging chamber being heated for medium 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 exhaust opening connects smoke exhaust pipe, described smoke exhaust pipe includes outer sleeve and inner sleeve, described inner sleeve be set in outer sleeve and and outer sleeve between form the smoke dust duct fallen for flue dust, the length of described inner sleeve, less than the length of outer sleeve, the inwall of described inner sleeve is arranged with the 3rd spiral deflector;Described second spiral deflector includes housing, forms the vapor chamber of vacuum, the inwall of described vapor chamber is equipped with wick, is filled with hydraulic fluid in described vapor chamber in described housing.
The lower end of described smoke dust duct connects flue dust collecting storehouse.
Described housing is made up of 4Cr5MoSiV steel, and described hydraulic fluid is water.
Described heat-exchanging chamber is divided into the high-temperature hot switch room and Low Temperature Thermal switch room being interconnected, and described Low Temperature Thermal switch room connects with heated medium entrance, described high-temperature hot switch room and heated medium outlet.
Described heated medium entrance is tangentially disposed on tubular type body of heater.
The width of the first neighbouring spiral deflector differs.
Flexible closing device it is connected between described exhaust opening and smoke exhaust pipe.
Compared with prior art, this utility model has the advantages that
Efficient tube type equiflux heater of the present utility model, by combustor being divided into inner combustion chamber and exterior combustion chamber, the heat-exchanging chamber that heated medium can be formed with exterior combustion chamber in inner combustion chamber heats, compare existing heated on one side, the both sides of heated medium can be heated, thus improve the uniformity of heating, improve the efficiency of heating surface.
This utility model is by arranging the first spiral stream guidance and the second spiral deflector simultaneously, and the hand of spiral of the first spiral deflector and the second spiral deflector is contrary, therefore medium meeting ceaselessly flow-disturbing during heat exchange indoor moveable, so that the medium of each position can be heated, improve the uniformity of heating further.
Flue gas of the present utility model is discharged by smoke exhaust pipe, and the effect at the 3rd spiral deflector forms eddy flow, and under the influence of centrifugal force, the flue dust of larger particles falls along smoke dust duct, thus realizes soot dust granule and separate with flue gas, reduces the pollution to environment.
It is high that second spiral deflector of the present utility model has heat transference efficiency, the feature being heated evenly, and improves the uniformity of medium heating.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the second spiral deflector of the present utility model;
Labelling in figure: 1, tubular type body of heater, 2, exterior combustion chamber, 3, heat-exchanging chamber, 4, pipeline is connected, 5, inner combustion chamber, 6, heated medium entrance, 7, heated medium outlet, 8, smoke exhaust pipe, the 9, second spiral deflector, 10, the first spiral deflector, 11, outer sleeve, 12, inner sleeve, 13, smoke dust duct, 14, the 3rd spiral deflector, 15, vapor chamber, 16, wick.
Detailed description of the invention
Below in conjunction with embodiment, the utility model will be further described, and described embodiment is only a part of embodiment of this utility model, is not whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art obtained under not making creative work premise other used by embodiment, broadly fall into protection domain of the present utility model.
In conjunction with accompanying drawing, efficient tube type equiflux heater of the present utility model, including tubular type body of heater 1, combustor and heat-exchanging chamber 3 it 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, is being provided with heated medium outlet 7, is being provided with heated medium entrance 6 on the tubular type body of heater 1 of exhaust opening on the tubular type body of heater 1 of entry of combustion chamber;Described heat-exchanging chamber 3 exports 7 with heated medium entrance 6 and heated medium and connects mutually;Described combustor includes combustor exterior combustion chamber 2 and inner combustion chamber 5, and described exterior combustion chamber 2 is set on the inwall of tubular type body of heater 1, and described inner combustion chamber 5 is interconnected with the bottom of exterior combustion chamber 2, and described inner combustion chamber 5 connects with exhaust opening with the top of exterior combustion chamber 2;The heat-exchanging chamber 3 being heated for medium 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;Described exhaust opening connects smoke exhaust pipe 8, described smoke exhaust pipe 8 includes outer sleeve 11 and inner sleeve 12, in described inner sleeve 12 is set in outer sleeve 11 and and outer sleeve 11 between form the smoke dust duct 13 fallen for flue dust, the length of described inner sleeve 12, less than the length of outer sleeve 11, the inwall of described inner sleeve 12 is arranged with the 3rd spiral deflector 14;Described second spiral deflector 9 includes housing, forms the vapor chamber 15 of vacuum, the inwall of described vapor chamber 15 is equipped with wick 16, is filled with hydraulic fluid in described vapor chamber in described housing.
Efficient tube type heating furnace of the present utility model, by combustor being divided into inner combustion chamber and exterior combustion chamber, the heat-exchanging chamber that heated medium can be formed with exterior combustion chamber in inner 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, the inner side of heated medium and inner combustion chamber's heat exchange) can heat, thus improve the uniformity of heating, improve the efficiency of heating surface.
This utility model is by arranging the first spiral stream guidance and the second spiral deflector simultaneously, and the hand of spiral of the first spiral deflector and the second spiral deflector is contrary, therefore medium meeting ceaselessly flow-disturbing during heat exchange indoor moveable, so that the medium of each position can be heated, improve the uniformity of heating further.
Flue gas of the present utility model is discharged by smoke exhaust pipe, and the effect at the 3rd spiral deflector forms eddy flow, and under the influence of centrifugal force, the flue dust of larger particles falls along smoke dust duct, thus realizes soot dust granule and separate with flue gas, reduces the pollution to environment.
It is high that second spiral deflector of the present utility model has heat transference efficiency, the feature being heated evenly, and improves the uniformity of medium heating.
For the ease of the collection of flue dust, the lower end of smoke dust duct of the present utility model connects flue dust collecting storehouse.
The housing of the second spiral stream guidance of the present utility model is made up of 4Cr5MoSiV steel, and described hydraulic fluid is water.And wick is the copper silk screen wick that rolls, the copper silk screen wick that rolls belongs to prior art products, and those skilled in the art is appreciated and understood that, does not repeats them here.
As a kind of preferably mode of this utility model, described heat-exchanging chamber is divided into the high-temperature hot switch room and Low Temperature Thermal switch room being interconnected, and described Low Temperature Thermal switch room connects with heated medium entrance, described high-temperature hot switch room and heated medium outlet.
Heated medium entrance 6 of the present utility model is tangentially disposed on tubular type body of heater 1 so that the medium entering heat-exchanging chamber can form eddy current.
The width of the first neighbouring spiral deflector of the present utility model differs.
As a kind of preferably mode of this utility model, being connected flexible closing device between described exhaust opening with smoke exhaust pipe 8, resilient seal device belongs to prior art products, and those skilled in the art is appreciated and understood that, does not repeats them here.Ensure that the properly functioning of product by resilient seal device, because the temperature of combustor is higher, therefore the expanded by heating of material is relatively big, therefore solves this problem by resilient seal device.
Embodiment one
Efficient tube type equiflux heater of the present utility model, including tubular type body of heater, it is provided with combustor and heat-exchanging chamber in described tube furnace body, 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, on the tubular type body of heater of entry of combustion chamber, it is provided with heated medium outlet, on the tubular type body of heater of exhaust opening, is provided with heated medium entrance;Described heat-exchanging chamber exports with heated medium entrance and heated medium and connects mutually;Described combustor includes that combustor exterior combustion chamber and inner combustion chamber, described exterior combustion chamber are set on the inwall of tubular type body of heater, and described inner combustion chamber is interconnected with the bottom of exterior combustion chamber, and described inner combustion chamber connects with exhaust opening with the top of exterior combustion chamber;The heat-exchanging chamber being heated for medium 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 exhaust opening connects smoke exhaust pipe, described smoke exhaust pipe includes outer sleeve and inner sleeve, described inner sleeve be set in outer sleeve and and outer sleeve between form the smoke dust duct fallen for flue dust, the length of described inner sleeve, less than the length of outer sleeve, the inwall of described inner sleeve is arranged with spiral deflector;Described second spiral deflector includes housing, forms the vapor chamber of vacuum, the inwall of described vapor chamber is equipped with wick, is filled with hydraulic fluid in described vapor chamber in described housing.
Embodiment two
Efficient tube type equiflux heater of the present utility model, including tubular type body of heater, it is provided with combustor and heat-exchanging chamber in described tube furnace body, 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, on the tubular type body of heater of entry of combustion chamber, it is provided with heated medium outlet, on the tubular type body of heater of exhaust opening, is provided with heated medium entrance;Described heat-exchanging chamber exports with heated medium entrance and heated medium and connects mutually;Described combustor includes that combustor exterior combustion chamber and inner combustion chamber, described exterior combustion chamber are set on the inwall of tubular type body of heater, and described inner combustion chamber is interconnected with the bottom of exterior combustion chamber, and described inner combustion chamber connects with exhaust opening with the top of exterior combustion chamber;The heat-exchanging chamber being heated for medium 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 exhaust opening connects smoke exhaust pipe, described smoke exhaust pipe includes outer sleeve and inner sleeve, described inner sleeve be set in outer sleeve and and outer sleeve between form the smoke dust duct fallen for flue dust, the length of described inner sleeve, less than the length of outer sleeve, the inwall of described inner sleeve is arranged with spiral deflector;Described second spiral deflector includes housing, forms the vapor chamber of vacuum, the inwall of described vapor chamber is equipped with wick, is filled with hydraulic fluid in described vapor chamber in described housing;The lower end of described smoke dust duct connects flue dust collecting storehouse.
Embodiment three
Efficient tube type equiflux heater of the present utility model, including tubular type body of heater, it is provided with combustor and heat-exchanging chamber in described tube furnace body, 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, on the tubular type body of heater of entry of combustion chamber, it is provided with heated medium outlet, on the tubular type body of heater of exhaust opening, is provided with heated medium entrance;Described heat-exchanging chamber exports with heated medium entrance and heated medium and connects mutually;Described combustor includes that combustor exterior combustion chamber and inner combustion chamber, described exterior combustion chamber are set on the inwall of tubular type body of heater, and described inner combustion chamber is interconnected with the bottom of exterior combustion chamber, and described inner combustion chamber connects with exhaust opening with the top of exterior combustion chamber;The heat-exchanging chamber being heated for medium 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 exhaust opening connects smoke exhaust pipe, described smoke exhaust pipe includes outer sleeve and inner sleeve, described inner sleeve be set in outer sleeve and and outer sleeve between form the smoke dust duct fallen for flue dust, the length of described inner sleeve, less than the length of outer sleeve, the inwall of described inner sleeve is arranged with the 3rd spiral deflector;Described second spiral deflector includes housing, forms the vapor chamber of vacuum, the inwall of described vapor chamber is equipped with wick, is filled with hydraulic fluid in described vapor chamber in described housing;Described housing is made up of 4Cr5MoSiV steel, and described hydraulic fluid is water.
Embodiment four
On the basis of any of the above-described embodiment, described heat-exchanging chamber is divided into the high-temperature hot switch room and Low Temperature Thermal switch room being interconnected, and described Low Temperature Thermal switch room connects with heated medium entrance, described high-temperature hot switch room and heated medium outlet.
Embodiment five
On the basis of any of the above-described embodiment, described heated medium entrance is tangentially disposed on tubular type body of heater.
Embodiment six
On the basis of any of the above-described embodiment, the width of the first neighbouring spiral deflector differs.
Embodiment seven
On the basis of any of the above-described embodiment, between described exhaust opening and smoke exhaust pipe, it is connected flexible closing device.