CN204611760U - A kind of array fire tube condensing heat exchanger device - Google Patents
A kind of array fire tube condensing heat exchanger device Download PDFInfo
- Publication number
- CN204611760U CN204611760U CN201520192405.XU CN201520192405U CN204611760U CN 204611760 U CN204611760 U CN 204611760U CN 201520192405 U CN201520192405 U CN 201520192405U CN 204611760 U CN204611760 U CN 204611760U
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- China
- Prior art keywords
- fire tube
- combustion chamber
- rod
- heat exchanger
- heat
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of array fire tube condensing heat exchanger device.Include burner, heat-exchanger rig and cooling recirculation system; Wherein said burner includes the combustion chamber of the metal shell of a sealing, and be provided with rod in combustion chamber, rod is hollow structure, and centre passes into imflammable gas and lights; Described heat-exchanger rig is fire tube, is communicated with at bottom of combustion chamber, fire tube be serpentine shaped and two one group be arranged in same plane, form fire tube sheet, the equidistant array arrangement of multiple fire tube sheets is below combustion chamber; Opening below described fire tube is all concentrated and is communicated with in a fume pipe; Described cooling recirculation system includes a container, fills with heat transferring medium liquid and be circumscribed with circulation line in container, and combustion chamber, fire tube sheet and fume pipe is all immersed in liquid, and the outlet of fume pipe is extended outside container.The utility model apparatus structure is simple, has higher heat exchanger effectiveness, more energy-conserving and environment-protective, and CO and the oxynitrides of its discharge are extremely low, and have larger heat load adjustment scope.
Description
Technical field
The utility model relates to technical field of heat exchangers, refers more particularly to a kind of array fire tube condensing heat exchanger device for boiler HVAC industry.
Background technology
Heat exchanger is a kind of energy-saving equipment realizing heat transmission between material between two or more fluid of different temperatures, make heat pass to the lower fluid of temperature by higher fluid, fluid temperature (F.T.) is made to reach flow process set quota, to meet the needs of process condition, simultaneously also one of capital equipment improving energy utilization rate.Heat exchanger industry relates to nearly 30 multi industries such as HVAC, pressure vessel, sewerage disposing equipment, mutually forms industry chain (supply chain).
Heat exchanger is widely used in boiler HVAC field as heat-transfer equipment, and along with the develop rapidly of power-saving technology, the kind of heat exchanger gets more and more.Common is submerged coil heat exchanger, and this heat exchanger metal tube is turned around into the various shape adapted with container, and be immersed in the liquid in container. the advantage of coil heat exchanger is that structure is simple, can bear high pressure, available resistant material manufacture; Its shortcoming is that liquid in container less turbulence is low, and it is little to manage outer heat transfer coefficient. be improve heat transfer coefficient, in container, agitator can be installed.
Show through test, this heat exchanger exhaust gas temperature is crossed up to 160 DEG C---and-250 DEG C, CO discharge is not up to standard, oxynitride discharge exceeds standard, and heat exchange is insufficient, and the thermal efficiency is low, its efficiency is 87%---91%, burn insufficient easy generation carbon distribution, and affect heat exchanger effectiveness, heat load adjustment scope is narrow.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency for above-mentioned existence, there is provided a kind of structure simple, there is higher heat exchanger effectiveness, energy-conserving and environment-protective more, CO and the oxynitrides of its discharge are extremely low, and have the array fire tube condensing heat exchanger device of larger heat load adjustment scope.
The utility model solves the technical scheme that its technical problem adopts:
A kind of array fire tube condensing heat exchanger device, is characterized in that, include burner, heat-exchanger rig and cooling recirculation system; Wherein said burner includes the combustion chamber of the metal shell of a sealing, and be provided with rod in combustion chamber, rod is hollow structure, and centre passes into imflammable gas and lights, and forms 360 degree of full angle burnings, maximize and produce heat energy in combustion chamber; Described heat-exchanger rig is fire tube, be communicated with at bottom of combustion chamber, fire tube be serpentine shaped and two one group be arranged in same plane, form fire tube sheet, the equidistant array arrangement of multiple fire tube sheets is below combustion chamber, form fire tube sheet matrix, and opening above fire tube all and combustion chamber, the high-temperature gas that combustion chambers burn produces produces heat exchange with extraneous medium in fire tube; Opening below described fire tube is all concentrated and is communicated with in a fume pipe, and the waste gas after heat exchange is discharged by fume pipe; Described cooling recirculation system includes a container, fills with heat transferring medium liquid and be circumscribed with circulation line in container, and combustion chamber, fire tube sheet and fume pipe is all immersed in liquid, and the outlet of fume pipe is extended outside container.
In such scheme, described combustion chamber is cylinder-like structure, is arranged on container inner wall, and has circular hole in corresponding position, chamber wall position, and rod is that demountable structure stretches into combustion chamber from circular hole.
In such scheme, described rod is the tubular structure that one end is closed, and the barred body side of its a blind end circumferentially circle is intensively distributed with multiple burner port and burns for the discharge of fuel gas.
In such scheme, described rod is also provided with dismountable igniter, igniter adopts electric spark igniter, and electric spark igniter can stretch into the burner port position of rod from the circular hole of chamber wall.
In such scheme, the combustion gas for being pre-mixed of filling in described rod, the igniter of rod is circumscribed with electric control gear, realizes automatic ignition.
In such scheme, described fire tube adopts the good metal material of heat conductivility to make, and the junction of fire tube and combustion chamber, fume pipe is hermetically-sealed construction.
Principle of the present utility model is, complete for combustion gas premix is passed into rod, and flame is 360 degree of full angle Thorough combustion in combustion chamber, maximize and produce high-temperature flue gas, enter rear fire tube and heat transferring medium (water, oil, liquid) produces heat exchange, when flue gas enters fume pipe, flue-gas temperature is close to dew point, and the latent heat of vaporization of flue gas is released, produce condensed water, at this moment exhaust gas temperature is lower than 20 degree, only has 10 degree---and 15 degree, the thermal efficiency produced is up to 109%.
The beneficial effects of the utility model are:
Adopt full premix combustion mode, heat exchange fully transforms combustion heat energy completely, and exhaust gas temperature is low, and the thermal efficiency is high, and achieves carbon monoxide zero-emission, and oxynitrides only has 5PPM, and heat load adjustment scope is large, saves 40%---50% than traditional heat exchanger.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment overall structure figure;
Fig. 2 is the fire tube surface texture figure of the utility model embodiment;
In figure: 1 combustion chamber, 2 rods, 3 fire tubes, 4 fume pipes, 5 igniters, 6 water tanks.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is further described:
Array fire tube condensing heat exchanger device as shown in Fig. 1 Fig. 2, includes burner, heat-exchanger rig and cooling recirculation system; Wherein said burner includes the combustion chamber 1 of the metal shell of a sealing, be provided with rod 2 in combustion chamber 1, rod 2 is hollow structure, and centre passes into imflammable gas and lights, in combustion chamber 1, form 360 degree of full angle burnings, maximize and produce heat energy; Described heat-exchanger rig is fire tube 3, be communicated with bottom combustion chamber 1, fire tube 3 for serpentine shaped and two one group be arranged in same plane, form fire tube sheet, the equidistant array arrangement of multiple fire tube sheets is below combustion chamber 1, form fire tube sheet matrix, and the opening above fire tube 3 is all communicated with combustion chamber 1, the high-temperature gas that combustion chamber 1 burning produces produces heat exchange with extraneous medium in fire tube 3; Opening below described fire tube 3 is all concentrated and is communicated with in a fume pipe 4, and the waste gas after heat exchange is discharged by fume pipe 4; Described cooling recirculation system includes a water tank 6, and filled with water in water tank 6 is also circumscribed with circulation line, and combustion chamber 1, fire tube sheet and fume pipe 4 is all immersed in water, and the outlet of fume pipe 4 is extended outside water tank 6.
In the present embodiment, described combustion chamber 1 is cylinder-like structure, is arranged on water tank 6 inwall, and has circular hole in corresponding position, water tank 6 wall position, and rod 2 stretches into combustion chamber 1 for demountable structure from circular hole.
In the present embodiment, the tubular structure that described rod 2 is closed for one end, the barred body side of its a blind end circumferentially circle is intensively distributed with multiple burner port and burns for the discharge of fuel gas.
In the present embodiment, described rod 2 is also provided with dismountable igniter 5, and igniter 5 adopts electric spark igniter, and electric spark igniter can stretch into the burner port position of rod 2 from the circular hole of water tank 6 wall.
In the present embodiment, the oil liquefied gas for being pre-mixed of filling in described rod 2, the igniter 5 of rod 2 is circumscribed with electric control gear, realizes automatic ignition.
In the present embodiment, described fire tube 3 adopts stainless steel to make, and fire tube 3 is hermetically-sealed construction with the junction of combustion chamber 1, fume pipe 4.
During use, the oil liquefied gas of full premix is passed into rod 2, flame is 360 degree of full angle Thorough combustion in combustion chamber 1, maximize and produce high-temperature flue gas, enter rear fire tube 3 and produce heat exchange with water, when flue gas enters fume pipe 4, flue-gas temperature is close to dew point, and the latent heat of vaporization of flue gas is released, and produces condensed water, at this moment exhaust gas temperature only has 10 degree---and 15 degree, the thermal efficiency produced is up to 109%.
More than illustrate and be only Application Example of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalence change that the utility model claim is done, still belong to protection domain of the present utility model.
Claims (6)
1. an array fire tube condensing heat exchanger device, is characterized in that, include burner, heat-exchanger rig and cooling recirculation system; Wherein said burner includes the combustion chamber of the metal shell of a sealing, and be provided with rod in combustion chamber, rod is hollow structure, and centre passes into imflammable gas and lights, and forms 360 degree of full angle burnings, maximize and produce heat energy in combustion chamber; Described heat-exchanger rig is fire tube, be communicated with at bottom of combustion chamber, fire tube be serpentine shaped and two one group be arranged in same plane, form fire tube sheet, the equidistant array arrangement of multiple fire tube sheets is below combustion chamber, form fire tube sheet matrix, and opening above fire tube all and combustion chamber, the high-temperature gas that combustion chambers burn produces produces heat exchange with extraneous medium in fire tube; Opening below described fire tube is all concentrated and is communicated with in a fume pipe, and the waste gas after heat exchange is discharged by fume pipe; Described cooling recirculation system includes a container, fills with heat transferring medium liquid and be circumscribed with circulation line in container, and combustion chamber, fire tube sheet and fume pipe is all immersed in liquid, and the outlet of fume pipe is extended outside container.
2. array fire tube condensing heat exchanger device as claimed in claim 1, it is characterized in that, described combustion chamber is cylinder-like structure, is arranged on container inner wall, and having circular hole in corresponding position, chamber wall position, rod is that demountable structure stretches into combustion chamber from circular hole.
3. array fire tube condensing heat exchanger device as claimed in claim 1, it is characterized in that, described rod is the tubular structure that one end is closed, and the barred body side of its a blind end circumferentially circle is intensively distributed with multiple burner port and burns for the discharge of fuel gas.
4. array fire tube condensing heat exchanger device as claimed in claim 1, it is characterized in that, described rod is also provided with dismountable igniter, and igniter adopts electric spark igniter, and electric spark igniter can stretch into the burner port position of rod from the circular hole of chamber wall.
5. array fire tube condensing heat exchanger device as claimed in claim 1, is characterized in that, the combustion gas for being pre-mixed of filling in described rod, the igniter of rod is circumscribed with electric control gear, realizes automatic ignition.
6. array fire tube condensing heat exchanger device as claimed in claim 1, is characterized in that, described fire tube adopts the good metal material of heat conductivility to make, and the junction of fire tube and combustion chamber, fume pipe is hermetically-sealed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192405.XU CN204611760U (en) | 2015-04-01 | 2015-04-01 | A kind of array fire tube condensing heat exchanger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192405.XU CN204611760U (en) | 2015-04-01 | 2015-04-01 | A kind of array fire tube condensing heat exchanger device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204611760U true CN204611760U (en) | 2015-09-02 |
Family
ID=53964318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520192405.XU Expired - Fee Related CN204611760U (en) | 2015-04-01 | 2015-04-01 | A kind of array fire tube condensing heat exchanger device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204611760U (en) |
-
2015
- 2015-04-01 CN CN201520192405.XU patent/CN204611760U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20160401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |