CN100400976C - Inner heat pipe coagulating type gas straight flow hot-water, heating boiler - Google Patents

Inner heat pipe coagulating type gas straight flow hot-water, heating boiler Download PDF

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CN100400976C
CN100400976C CNB021536511A CN02153651A CN100400976C CN 100400976 C CN100400976 C CN 100400976C CN B021536511 A CNB021536511 A CN B021536511A CN 02153651 A CN02153651 A CN 02153651A CN 100400976 C CN100400976 C CN 100400976C
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heat pipe
combustion chamber
section
pipe
shape
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CN1504700A (en
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吴强
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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Abstract

The present invention discloses an internal heating tube coagulating type gas direct flow hot water and heating boiler, which comprises a direct flow type heat transfer body which is composed of a gradual change curved tubular heat transfer body and a liquid sealed sandwich layer channel, wherein the gradual change curved tubular heat transfer body is composed of a combustion chamber which is positioned on the upper part and forms a gradually enlarging and reducing curved tubular shape, and a curved tubular coagulating tube which is positioned on the lower part of the combustion chamber and is communicated with the combustion chamber; the liquid sealed sandwich layer channel is a cavity which is formed between the curved tubular heat transfer body and an outer shell body which is sheathed on the outer part of the curved tubular heat transfer body, and the shape of the outer shell body is similar to the shape of the liquid sealed sandwich layer channel. The top of the direct flow type heat transfer body is provided with a heat output, the bottom of the direct flow type heat transfer body is provided with a liquid inlet, a burner is arranged in the combustion chamber, a mixed gas pipeline of the burner is communicated with a gas proportional regulating valve and an electromagnetic valve, and the tail part of the direct flow type heat transfer body is provided with a coagulating water discharge port and a smoke gas discharge port. The present invention adopts an inverse type gradual change curved heat-exchanging channel; therefore, the present invention solves the problems of complicated structure and insufficient efficiency of heat utilization of the existing coagulating type gas boilers, and the dynamic discreteness of the heat utilization of coagulating technical devices when environmental temperature is changed.

Description

Interior heat pipe coagulating type combustion gas direct current hot water, heating boiler
Technical field
The present invention relates to a kind of burning boiler, relate in particular to a kind of interior heat pipe coagulating type combustion gas direct current hot water, heating boiler.
Background technology
Do one's utmost at present to carry out a kind of combustion gas pot--combustion gas condenser boiler of energy-conservation and environmental protection both at home and abroad, it mainly adopts combustion gas coagulating type heat transfer technology, it is high that it has heat utilization efficiency, exhaust gas temperature is low, the discharge of harmful gases amount is far smaller than non-condensing formula combustion gas heat transmission equipment in the flue gas, and opening/stop at cold start section, intermittence, being in for a long time has good security and very high characteristics such as heat utilization efficiency when hanging down back the liquid temp operation.When especially changing, can keep the dynamic discrete of the thermal efficiency minimum with the running Load Regulation.Along with the maturation of coagulating type heat transfer technology theory, the combustion gas condenser boiler also occurs or be used for the condensed heat exchanger of gas fired-boiler.For example:
The novel patent disclosure of CN2283822Y China a kind of, the heat exchanger of gas fired-boiler, this heat exchanger comprise heat-exchange tube and are located at the outer fin of heat-exchange tube, water flows through in the heat exchange pipe and is heated, it mainly adopts finned condensation heat exchange device, its complex structure, cost height.
U.S. Pat 5355842 discloses a kind of gas-fired water heating boiler, comprise the housing that has the next door, is used for admission port and water return outlet, one cup-shaped combustion chamber places the housing internal upper part, heating pipe is located in the housing, the bottom of combustion chamber and communicate with the combustion chamber, one accumulation chamber of waste gas is arranged at the heating pipe bottom, and accumulation chamber of waste gas is provided with flue gas discharge opening and condensate outlet.It mainly adopts the premixed infrared burner of putting, and cooperates cup-shaped through type combustion chamber, vertical underlying condensing unit, its complex structure, volume is big, cost cost height, the heat of the low-temperature flue gas behind condensing heat-exchange is not fully utilized in addition, and its heat utilization efficiency is insufficient.
Summary of the invention
Primary and foremost purpose of the present invention provides a kind of interior heat pipe coagulating type combustion gas direct current hot water, heating boiler with new heat exchanging fluid structure and combustion system, the heat utilization efficiency height is arranged, fire chamber calorific intensity is big, programming rate is fast, volume is little, minimizing metal consumptive material, unitary construction is simple, and the manufacture craft difficulty is little.
Another object of the present invention provide a kind of in heat pipe coagulating type combustion gas direct current hot-water heating boiler, can effectively utilize through the heat of the low-temperature flue gas after the condensation heat exchange and enter the air of combustion chamber with preheating, further improve heat utilization efficiency.
The object of the present invention is achieved like this: heat pipe coagulating type combustion gas direct current hot water, heating boiler in a kind of, it comprises: burner, combustion chamber, communicate with the combustion chamber and place its underpart condenser tube, be located at combustion chamber and the outer liquid seal channel of condenser tube, the afterbody of condenser tube is connected with condensate water floss hole and fume emission mouth, it is characterized in that: described combustion chamber is for being flaring and convergent curved tube shape, and described condenser tube is the curved tube shape, and described combustion chamber and condenser tube have constituted gradual change curved tube shape thermal conductor; Described liquid seal channel is a gradual change curved tube shape thermal conductor, its outer cover is provided with shell body, form the ring chamber of the curved shape of center line between this gradual change curved tube shape thermal conductor and the shell body, described gradual change curved tube shape thermal conductor and the liquid closed sandwich passage formation single flow heat exchange body that forms with shell body; The top of single flow heat exchange body is provided with the thermal output mouth that communicates with liquid closed sandwich passage, and the bottom of single flow heat exchange body is provided with the inlet that communicates with liquid closed sandwich passage; Described burner is communicated with combustion gas ratio adjusting valve and magnetic valve by gas mixing pipe.
Further, afterbody at described condenser tube is provided with condensate water and smoke discharge tube, be provided with finned heat pipe evaporator in condensate water and the smoke discharge tube, the bottom of finned heat pipe evaporator is provided with the U type moisture separator that is communicated with finned heat pipe evaporator, described condensate water floss hole is located at the bottom of U type moisture separator, and described fume emission mouth is arranged on the other end of U type moisture separator; Described finned heat pipe evaporator is connected with heat pipe condenser by heat pipe.
Wherein, described burner is two netted burners, the thermocatalytic grid net that it comprises the burning web that links to each other with described gas mixing pipe and is located at described burning web periphery.
Described flaring and convergent curved tube shape combustion chamber: the terminal second section pipe that oppositely is the arcuation bending downwards and slightly and shrinks by first section pipe of approximate horizontal flaring shape, first section pipe constitutes, and forms the cavity of tobacco pipe bottom shape between first section pipe and second section pipe; Described curved tube shape condenser tube is zigzag bending, and to be the flaring shape and to be isometrical shape, its interlude with the 3rd section cross section that described condensate water floss hole links to each other with the fume emission mouth be by first section end gradually contraction-like to isometrical section transition in first section the cross section that links to each other with bottom, described combustion chamber.The cavity of combustion chamber and the end of contraction help high-temperature flue gas to carry out flowing in the condenser tube after the heat exchange in the combustion chamber fully, flue gas through sufficient heat exchange, because of its density greater than density without the flue gas of crossing sufficient heat exchange, can flow in the following condenser tube.Condenser tube is the curved tube shape, increases heat exchange area, helps flue gas and carries out condensation heat transfer fully.Simultaneously condenser tube is used for and will does the elevated temperature heat exchange once more entering the less divergent segment of condenser tube through the high-temperature flue gas stream of bottom, combustion chamber ejection, the divergent segment that warm flue gas utilization is big in 400~580 ℃ after the exchange carries out rectification, supercharging forms a kind of laminar flow regime, creates a stable big thermograde layer for further condensation heat transfer.
For flue gas is flowed in the condenser tube fast, preferably be communicated with the undergauge jet pipe between the curved tube shape condenser tube of described flaring and convergent curved tube shape combustion chamber and bottom.Best, in the liquid closed sandwich passage at condenser tube position, be provided with the spiral wing; And in the liquid closed sandwich passage at the curved tubular position, combustion chamber of flaring and convergent, be provided with the flow-disturbing wing; In the body of condenser tube bottom, be provided with the reinforcement fin.
Described gradual change curved tube shape thermal conductor is the hollow curved tube shape that cross section is closed curve shape.
Periphery at described boiler is provided with wall-hanging or the console mode outer case; At the coated heat insulation layer of described single flow heat exchange external surface.
Heat pipe coagulating type combustion gas direct current hot water, heating boiler in a kind of, comprise single flow heat exchange body, single flow heat exchange body is to be made of gradual change curved tube shape thermal conductor and the liquid closed sandwich passage of surrounding its outside, at single flow heat exchange body top the thermal output mouth is arranged, the corresponding inlet that bottom single flow heat exchange body, is provided with, be provided with two netted burners in the single flow heat exchange body, the gas mixing pipe road of two netted burners is communicated with combustion gas ratio adjusting valve and magnetic valve, is provided with condensate water floss hole and fume emission mouth at the afterbody of single flow heat exchange body.
Condensate water and flue gas discharge opening place are provided with finned heat pipe evaporator.Finned heat pipe evaporator.The bottom of finned heat pipe evaporator is provided with U type moisture separator, and the bottom of U type moisture separator is provided with the condensate water floss hole, and U type moisture separator top is provided with the fume emission mouth and is communicated with coaxial mouth.The adjustable speed fan place is provided with finned heat pipe condenser and links to each other with gas mixing pipe.
Because the present invention has adopted above technical scheme, thereby has the following advantages:
The present invention utilizes the heat exchange method of heat exchanger channels in the contrary formula, and the instant heating flue gas flows downward from top, and heated liquid is bottom-up to flow.Because of the combustion chamber on gradual change curved tube shape thermal conductor top is flaring and convergent curved tube shape, especially the condenser tube of bottom is the curved tube shape, with a large amount of radiant heat the heat-exchange working medium at flaring and the curved pipe-type chamber of convergent position is carried out fully heat exchange first at combustion chamber internal combustion flame, utilize the different flue gas current densitys of temperature to change, make high-temperature flue gas the flaring shape cavity on top, combustion chamber in fully carry out heat exchange after, the bottom is shunk in the flue gas flow direction combustion chamber that temperature is lower, and enter in the condenser tube, condenser tube is the curved tube shape, increase heat exchange area, help flue gas and carry out condensation heat transfer fully.In order to make flue gas flow in the condenser tube fast, between the condenser tube of combustion chamber and bottom, be communicated with the undergauge jet pipe, the undergauge jet pipe is isolated its underpart condenser tube and combustion chamber, top, make between two zones and can not form convective exchange, with buffering, current stabilization, the pressurization of the hot flue gas of divergent segment in this smooth combustion chamber, thereby guarantee that 600~860 ℃ high-temperature flue gas stream can spray to the curved condenser tube of bottom with high speed.
Premix burner of the present invention is two netted burning structures, carries out combustion reaction to strengthen the radiant heat density of outer net between Intranet and outer net because of its fired state in the formed thermal-protective coating of thermocatalytic grid net of burning web periphery can be increased to half flame attitude once again by aphlogistic load limit value.Because of the design of two netted burners, no matter be that the sort of fired state is set up one 850~1100 ℃ high-temperature region very soon between two nets, make that outer net surface reaches the radiating surface temperature in the utmost point short time, form the nonflame attitude.That the calorific intensity of fiery chamber can be designed like this is bigger, has improved the coefficient of heat transfer with this, has reduced the volume of heat exchange body.
Further, the present invention utilizes condensate water and the low-temperature flue gas behind the condensation heat transfer that its finned heat pipe evaporator is heated, utilize finned heat pipe condenser that the air that uses for burning is carried out preheating then, to reduce the dynamic discrete of condensation technology equipment heat utilization efficiency when the variation of ambient temperature, guaranteed that [(at burner rating is through coaxial flue discharged flue gas for the steady operating mode design of coagulating type heat exchange at 100% o'clock, heating and return water temperature are 70/40 ℃ by chance, during environment temperature<12 ℃) temperature is less than 20 ℃], thereby improved aflame heat utilization efficiency.The standard utilization rate can be greater than low calorific gas value (QDW) 100% in the overall process of its heat exchange, (standard utilization rate 110%).
Heat utilization efficiency is high under various dynamic parameters, the load modulation wide ranges.Heat demand amount when the control system basis is dynamic, the air surplus of proportional adjusting combustion power and maintenance restraining.Guarantee that heat-exchanger rig is operated in the variation that is not subjected to dynamic parameter in the different system, still can operate under the energy saver mode.
Therefore, unitary construction of the present invention is simple, the integrated degree height of core main body parts, and the cost cost is low, is suitable for the popularization of large-scale production and quickening power-saving technology to reach universal.The thermal source utilization rate is high, and is easy for operation, and environmental pollution is minimum, society and remarkable in economical benefits.
Description of drawings
Fig. 1 is a kind of shape and structure schematic diagram of the present invention.
Wherein:
1 outer case, 2 single flow heat exchange bodies
3 gradual change curved tube shape thermal conductors, 4 shell bodies
5 combustion chambers, 6 condenser tubes
7 liquid closed sandwich passage 8 thermal output mouths
9 inlets, 10 spiral wings
The 11 flow-disturbing wings 12 are strengthened fin
13 condensate water and smoke discharge tube 14 finned heat pipe evaporators
15 gas mixing pipes, 16 adjustable speed fans
17 U type moisture separators, 18 finned heat pipe condensers
19 condensate water floss holes, 20 fume emission mouths
21 coaxial mouth 22 Flow Control circulating pumps
23 controllers, 24 logic optimization dynamic processors
25 helical form hot water exchangers, 26 heat pipes
27 reversal valves, 28 heat supply mouths
29 burners, 30 burning webs
31 thermocatalytic grid nets, 32 combustion gas ratio adjusting valve and magnetic valves
33 necking down jet pipes, 34 blast pipes
Second section pipe of first section pipe 52 combustion chamber of 51 combustion chambers
First section of 53 cavitys, 61 curved condenser tubes
The 3rd section of the stage casing 63 curved condenser tubes of 62 curved condenser tubes
The specific embodiment
Below in conjunction with accompanying drawing enforcement of the present invention is done as detailed below:
Referring to Fig. 1, showed a kind of interior heat pipe coagulating type combustion gas direct current hot water, heating boiler among the figure, it comprises a wall-hanging outer case 1, is made by steel plate materials, is provided with controller 23 at an upper portion thereof.Single flow heat exchange body 2 in the wall-hanging outer case 1 is to adopt stainless steels to divide by the gradual change curved tube shape thermal conductor 3 of stainless steel casting and shell body 4 to adopt welding method and gradual change curved tube shape thermal conductor 3 to fuse again after half-formed.Constituted liquid closed sandwich passage 7 by gradual change curved tube shape thermal conductor 3 and the profile shell body 4 similar with it, liquid closed sandwich passage 7 is the reducing ring cavity for the curved shape of axis, cross section.The thermal output mouth 8 that communicates with liquid closed sandwich passage 7 is arranged at the top of single flow heat exchange body 2.Corresponding have the inlet 9 that is communicated with liquid closed sandwich passage 7 in the bottom of single flow heat exchange body 2.Gradual change curved tube shape thermal conductor 3 comprises combustion chamber 5 that is flaring and convergent curved tube shape that is positioned at its top and the condenser tube 6 that is positioned at the curved tube shape of 5 belows, combustion chamber; Described burner 29 is communicated with combustion gas ratio adjusting valve and magnetic valve 32 by gas mixing pipe 15.Two netted burners 29 are housed in single flow heat exchange body 2 top flarings and the curved pipe-type chamber 5 of convergent, build-up layer in two netted burners 29 is to make burning web 30 by heating resisting metal silk plying establishment screen cloth, it roughly becomes the round table-like of an end opening, its openend is communicated with steel gas mixing pipe 15, its external layer is made thermocatalytic grid net 31 by Aludirome type bar, thermocatalytic grid net 31 is similar to burning web 30 shapes, and keep at a certain distance away between two nets, gas mixing pipe 15 is communicated with combustion gas ratio adjusting valve and magnetic valve 32.
Wherein, described flaring and convergent curved tube shape combustion chamber 5: by the downwards terminal of 51, first sections pipes 51 of first section of approximate horizontal flaring shape pipe and slightly oppositely be the arcuation bending and second section pipe 52 shrinking constitutes, between 51 and second sections pipes 52 of first section pipe, form the cavitys 53 of tobacco pipe bottom shape.Cavity 53 and the end that shrinks help high-temperature flue gas to carry out flowing in the condenser tube 6 after the heat exchange in the combustion chamber fully, and described curved tube shape condenser tube 6 is the zigzag bending, comprises first section 61 that links to each other with 5 bottoms, combustion chamber, and its cross section is the flaring shape; Link to each other with fume emission mouth 20 with condensate water floss hole 19 the 3rd section 63, its cross section is isometrical shape; Stage casing 62 between first section 61 and the 3rd section 63, it is shaped as by gradually contraction-like to the 3rd section isometrical transition of first section 61 end.The condenser tube of the curved tube shape of flaring gradually closing helps flue gas equally and carries out sufficient heat exchange.
In order further to utilize the condensate water behind the condensation heat transfer and the heat of low-temperature flue gas, improve efficiency of utilization, condensate water and smoke discharge tube 13 at the afterbody of described condenser tube 6, be that the smoke discharge tube 13 of single flow heat exchange body 2 afterbody condensate water is provided with finned heat pipe evaporator 14 that aluminium makes and is communicated with it, finned heat pipe evaporator 14 is connected with heat pipe condenser 18 by heat pipe 26, the finned heat pipe condenser made from the corresponding aluminium of separate mode 18 is arranged in blast pipe 34 places between gas mixing pipe 15 and the adjustable speed fan 16, to utilize the waste heat preheated air of low-temperature flue gas.The bottom of finned heat pipe evaporator 14 is provided with stainless steel tube and makes U type moisture separator 17, the top of U type moisture separator 17 is provided with fume emission mouth 20 and links to each other with coaxial mouth 21, its bottom is provided with condensate outlet 19, and it is further designed to the U word shape and separates in order to realize aqueous vapor better.
Between described flaring and 5 bottoms, convergent curved tube shape combustion chamber and reducing, bending curved tube shape condenser tube 6, be communicated with undergauge jet pipe 33.Spray in the condenser tube 6 with high flow rate to improve, carry out condensation heat transfer through the flue gas after the combustion chamber heat exchange.The undergauge jet pipe is isolated its underpart condenser tube and combustion chamber, top, make between two zones and can not form convective exchange, with buffering, current stabilization, the pressurization of the hot flue gas of divergent segment in this smooth combustion chamber, thereby guarantee that 600~860 ℃ high-temperature flue gas stream can spray to the curved condenser tube of bottom with high speed.To enter through the high-temperature flue gas stream of undergauge jet pipe ejection and do the elevated temperature heat exchange in the less divergent segment of condenser tube once more, the divergent segment that warm flue gas utilization is big in 400~580 ℃ after the exchange carries out rectification, supercharging forms a kind of laminar flow regime, creates a stable big thermograde layer for further condensation heat transfer.
In order to improve the efficient of heat exchange, liquid can be heated equably, in the liquid closed sandwich passage 7 at condenser tube 6 positions, be provided with spiral wing 10, in the liquid closed sandwich passage 7 at curved tubular 5 positions, combustion chamber of flaring and convergent, be provided with the flow-disturbing wing 11, in the body of condenser tube 6 bottoms, be provided with and strengthen fin 12.In liquid closed sandwich passage 7, be provided with the flow-disturbing wing 11 corresponding to flaring and the curved pipe-type chamber of convergent 5 positions, the flow-disturbing wing 11 is used for the reinforced element that high-temperature area is made augmentation of heat transfer.In liquid closed sandwich passage 7, be provided with spiral wing 10 corresponding to curved condenser tube 6 positions, utilize the circulation effect of spiral wing 10 to be: in liquid closed sandwich passage 7, set up a stable thermograde zone corresponding to curved condenser tube 6 positions, with this be used for the hot flue gas after the high temperature heat exchange with reverse mode once more with the heat-exchange working medium of liquid closed sandwich passage 7 exchange heat energy, improve heat utilization efficiency.The insertion element that is provided with aluminium alloy in the bottom exhaust gases passes of curved condenser tube 6 inwalls is strengthened fin 12, strengthens the ability of heat convection with this velocity field that improves flue gas, impels the water recovery in the flue gas.
For reaching easily manufactured and reducing cost, improve the needs of energy utilization rate, single flow heat exchange body 2, be that gradual change curved tube shape thermal conductor 3 and shell body 4 can be set to the hollow curved tube shape that the cross section is closed curve shape, present embodiment is circular curved body formula, also can be set to the cross section and be polygon, as square curved body formula, generally with the former circular curved body formula for well.
Outer case 1 in this example can also adopt console mode, perhaps at the coated heat insulation layer of outer surface of described single flow heat exchange body 2, directly is connected in the system pipeline then and uses.
The present invention is in practical work process, and adopting combustion chamber and condenser tube is single flow heat exchange body 2 structures that one constitutes, and has realized coagulating type heating, the microminiaturization of hot water firing equipment, integrated and low-cost design.During use, after adjustable speed fan 16 carries out premix by combustion gas ratio adjusting valve and magnetic valve 32 with combustion gas with air, enter burner 29 burnings by gas mixing pipe 15 injections, combustion chamber internal combustion flame reaches with a large amount of radiant heat moment in flaring and the curved pipe-type chamber 5 of convergent and gathers, and radiant heat and high-temperature flue gas stream carry out high temperature heat exchange first to the heat-exchange working medium of its one.Utilize the high-temperature flue gas current density after the heat exchange to change then, enter in the heat-exchange system of reverse curved condenser tube 6 through the necking down jet pipe 33 of flaring and the curved pipe-type chamber of convergent 5 bottoms again and further make effective condensation heat transfer.Finished smoothly for impelling under the condensation heat transfer dynamic change of temperature and pressure outside, the bottom of inwall is provided with the device of strengthening fin 12 in reverse curved condenser tube 6, strengthen the ability of heat convection with this velocity field that improves flue gas, impel the water recovery in the flue gas.On the other hand, heated liquid enters by liquid closed sandwich passage 7 from single flow heat exchange body 2 bottom inlets 9, fully heat exchange under the effect of spiral wing 10, enter in the liquid closed sandwich passage 7 at curved tubular 5 positions, combustion chamber of flaring and convergent, the flow-disturbing wing 11 makes liquid carry out sufficient heat exchange under turbulent condition; By 8 outputs of thermal output mouth.Thermal output mouth 8 is communicated with heat supply mouth 28 or other hot bodies by reversal valve 27, for example: helical form hot water exchanger 25.
The control of its use, can adopt automatic control or manually control, when adopting control automatically, controller 23 constitutes control sections with the casing 1 interior processor that is provided with 24, and control section is communicated with Flow Control circulating pump 22, burner 29, adjustable speed fan 16, combustion gas ratio adjusting valve and magnetic valve 32, reversal valve 27 respectively.
Finned heat pipe evaporator 14 is heated further make water recovery remaining in the flue gas again and utilize its latent heat fully for reaching the constancy that keeps the condensation heat transfer operating mode when the variation of ambient temperature, utilize the condensate water of discharging behind the condensation heat transfer and low-temperature flue gas.Carrying out preheating, to keep very low exhaust gas temperature corresponding to the air in 18 pairs of blast pipes 34 that use for burning of finned heat pipe condenser of finned heat pipe evaporator 14.Make single flow heat exchange body 2 in heat exchange whole process, form a big temperature gradient field from top to down, the combustion standard utilization rate can be greater than combustion gas low heat valve (QDW) 100%, have more the heat utilization efficiency that keeps high when changing (20% o'clock of its specified combustion power with dynamic condition, the centrifugal pump of its dynamic heat utilization efficiency<2%), the harmful gas emission in the flue gas is much smaller than the on-condensing gas-fired equipment.Fire chamber calorific intensity height, characteristics such as the combustion power modulation range is wide.Thereby the present invention has high fuel firing rate, heat utilization efficiency and extremely low environmental pollution greatly.

Claims (10)

1. heat pipe coagulating type combustion gas direct current hot water in one kind, heating boiler, it comprises: burner (29), combustion chamber (5), communicate with combustion chamber (5) and place the condenser tube (6) of its underpart, be located at the outer liquid seal channel (7) of combustion chamber (5) and condenser tube (6), the afterbody of condenser tube (6) is connected with condensate water floss hole (19) and fume emission mouth (20), it is characterized in that: described combustion chamber (5) are for being flaring and convergent curved tube shape, and described condenser tube (6) is the curved tube shape, and described combustion chamber (5) and condenser tube (6) have constituted gradual change curved tube shape thermal conductor (3); Described liquid seal channel (7) is a gradual change curved tube shape thermal conductor (3), its outer cover is provided with shell body (4), form the ring cavity of the curved shape of center line between this gradual change curved tube shape thermal conductor (3) and the shell body (4), described gradual change curved tube shape thermal conductor (3) and liquid closed sandwich passage (7) the formation single flow heat exchange body (2) that forms with shell body (4); The top of single flow heat exchange body (2) is provided with the thermal output mouth (8) that communicates with liquid closed sandwich passage (7), and the bottom of single flow heat exchange body (2) is provided with the inlet (9) that communicates with liquid closed sandwich passage (7); Described burner (29) is communicated with combustion gas ratio adjusting valve and magnetic valve (32) by gas mixing pipe (15).
2. heat pipe coagulating type combustion gas direct current hot water in according to claim 1, heating boiler, it is characterized in that: the afterbody at described condenser tube (6) is provided with condensate water and smoke discharge tube (13), be provided with finned heat pipe evaporator (14) in condensate water and the smoke discharge tube (13), the bottom of finned heat pipe evaporator (14) is provided with the U type moisture separator (17) that is communicated with finned heat pipe evaporator (14), described condensate water floss hole (19) is located at the bottom of U type moisture separator (17), and described fume emission mouth (20) is arranged on the other end of U type moisture separator (17); Described finned heat pipe evaporator (14) is connected with heat pipe condenser (18) by heat pipe (26).
3. heat pipe coagulating type combustion gas direct current hot water, heating boiler in according to claim 1, it is characterized in that: described burner (29) is two netted burners, the thermocatalytic grid net (31) that it comprises the burning web (30) that links to each other with described gas mixing pipe and is located at described burning web (30) periphery.
4. want 1 described interior heat pipe coagulating type combustion gas direct current hot water, heating boiler according to right, it is characterized in that: described flaring and convergent curved tube shape combustion chamber (5): be second section pipe (52) formation of arcuation bending and contraction downwards and oppositely by first section pipe (51) of horizontal flaring shape, the end of first section pipe (51), between first section pipe (51) and second section pipe (52), form the cavity (53) of tobacco pipe bottom shape; Described curved tube shape condenser tube (6) is the zigzag bending, comprises first section (61) linking to each other with bottom, combustion chamber (5), and its cross section is the flaring shape; With the 3rd section (63) that condensate water floss hole (19) links to each other with fume emission mouth (20), its cross section is isometrical shape; Stage casing (62) between first section (61) and the 3rd section (63), it is shaped as by first section (61) terminal gradually contraction-like to the 3rd section isometrical transition.
5. heat pipe coagulating type combustion gas direct current hot water, heating boiler is characterized in that: be communicated with undergauge jet pipe (33) between the curved tube shape condenser tube (6) of described flaring and convergent curved tube shape combustion chamber (5) and its underpart in according to claim 1.
6. heat pipe coagulating type combustion gas direct current hot water, heating boiler is characterized in that: be provided with spiral wing (10) in the liquid closed sandwich passage (7) at condenser tube (6) position in according to claim 1.
7. heat pipe coagulating type combustion gas direct current hot water, heating boiler in according to claim 1 is characterized in that: be provided with the flow-disturbing wing (11) in the liquid closed sandwich passage (7) at the curved tubular position, combustion chamber (5) of flaring and convergent.
8. heat pipe coagulating type combustion gas direct current hot water, heating boiler in according to claim 1 is characterized in that: be provided with in the body of condenser tube (6) bottom and strengthen fin (12).
9. want 1 described interior heat pipe coagulating type combustion gas direct current hot water, heating boiler according to right, it is characterized in that: described gradual change curved tube shape thermal conductor (3) is the hollow curved tube shape of closed curve shape for cross section.
10. heat pipe coagulating type combustion gas direct current hot water, heating boiler in according to claim 1, it is characterized in that: the periphery at described boiler is provided with wall-hanging or console mode outer case (1); At the coated heat insulation layer of described single flow heat exchange body (2) outer surface.
CNB021536511A 2002-12-03 2002-12-03 Inner heat pipe coagulating type gas straight flow hot-water, heating boiler Expired - Fee Related CN100400976C (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355842A (en) * 1993-01-23 1994-10-18 Viessmann Werke Gmbh & Co. Gas hot water heater
CN1335465A (en) * 2000-07-22 2002-02-13 吴百顺 Energy-saving purifier for burner
CN2586095Y (en) * 2002-12-03 2003-11-12 吴强 Internal heating tube condensating gas directly flowing hot water and heating boiler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355842A (en) * 1993-01-23 1994-10-18 Viessmann Werke Gmbh & Co. Gas hot water heater
CN1335465A (en) * 2000-07-22 2002-02-13 吴百顺 Energy-saving purifier for burner
CN2586095Y (en) * 2002-12-03 2003-11-12 吴强 Internal heating tube condensating gas directly flowing hot water and heating boiler

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