CN208751035U - Condensing premixes heat exchanger entirely - Google Patents
Condensing premixes heat exchanger entirely Download PDFInfo
- Publication number
- CN208751035U CN208751035U CN201821366999.1U CN201821366999U CN208751035U CN 208751035 U CN208751035 U CN 208751035U CN 201821366999 U CN201821366999 U CN 201821366999U CN 208751035 U CN208751035 U CN 208751035U
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- combustion chamber
- stainless steel
- shell
- water
- heat exchanger
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model discloses a kind of condensings to premix heat exchanger entirely, including shell, combustion chamber, Heat Room, water inlet, water outlet, gas inlet, condensation-water drain and smoke outlet, Heat Room is to be formed by cavity in Stainless Steel Coil, Stainless Steel Coil is in spiral shape, is uniformly distributed in shell；Shell is equipped with inlet and outlet, is connected respectively with Heat Room by water pipe；Stainless Steel Coil two sides are equipped with ring-shaped distributed thermal insulation board, and the thermal insulation board composition combustion chamber of Stainless Steel Coil and two sides, combustion chamber is equipped with igniter；Gas inlet is additionally provided on shell, gas inlet is connected by flue with combustion chamber；Condensation-water drain and smoke outlet are also connected on combustion chamber.The utility model heat exchanger is by improving the heat of fuel gas buring efficiency and flue gas secondary release to the cold, reach under same energy consumption, discharges the opposite more heats of conventional heat exchanger, and then improve heat exchange efficiency, the generation of NOx, safety and environmental protection are also effectively reduced simultaneously.
Description
Technical field
The utility model relates to the heat exchanger fields of wall-hung boiler, and in particular to a kind of condensing premixes heat exchange entirely
Device.
Background technique
Burnt gas wall hanging furnace is in existing more than 20 years developing histories of China, slowly by consumer perceptions and receiving,
And it is increasingly becoming a part of comfortable household.But 95% wall-hung boiler is the common wall-hung boiler of atmospheric burning type on existing market,
Configuration is single speed blower, since excess air coefficient is big, leads to that efficiency is low, disposal of pollutants is big, especially in part load condition
When lower work, efficiency can only achieve 85% or so；In addition, operation noise is big, high failure rate, environmental suitability and safety are poor,
It is set to stay in the product of low and middle-end class, from comfortable energy-saving and environment-friendly also poor very big a distance of requirement；And in America and Europe etc.
The wall-hung boiler of developed country, the burning of normal atmospheric formula is washed in a pan by market already, and Chinese wall-hung boiler industry is badly in need of technological break-through and liter
Grade, brings the development that industry is higher level, therefore, it is necessary to be further improved to existing wall-hung boiler.
Utility model content
To overcome disadvantages mentioned above, the utility model provides that a kind of heat exchange efficiency is high, condensing of safety and environmental protection premixes entirely
Heat exchanger.
To achieve the goals above, the utility model adopts the technical scheme that
Condensing premixes heat exchanger entirely, including shell, combustion chamber, Heat Room, water inlet, water outlet, gas inlet, cold
Condensate outlet and smoke outlet.
The combustion chamber and Heat Room are mounted on the enclosure interior.
It is characterized by: the Heat Room is to be formed by cavity in Stainless Steel Coil, the Stainless Steel Coil is in spiral
Shape is uniformly distributed in the shell；
The shell be equipped with the inlet and outlet, the inlet and outlet by water pipe respectively with it is described
Heat Room is connected.
The Stainless Steel Coil two sides are equipped with thermal insulation board, and the thermal insulation board is annularly distributed, the Stainless Steel Coil with
The thermal insulation board of two sides constitutes the combustion chamber, and the combustion chamber is equipped with igniter.
Gas inlet is additionally provided on the shell, the gas inlet is connected by flue with the combustion chamber.
The condensation-water drain and the smoke outlet are also connected on the combustion chamber.
The Stainless Steel Coil is single whole stainless steel finned tube.
The material of the shell is pack alloy.
Compared with prior art, the utility model provides a kind of condensing and premixes heat exchanger entirely, has following beneficial
Effect:
1, air is first passed through in full premix blower before entering the utility model heat exchanger.Adjust the oxygen in air
Gas concentration, air and combustion gas sufficiently match by cooperation gas ratio valve, be uniformly mixed it is later be passed through combustion chambers burn again, reach it
Optimum oxygen concentration needed for fuel gas buring improves efficiency of combustion, and then improves thermal conversion rate.Flue gas with heat one
Divide flowing from inside to outside, and directly contacted with Stainless Steel Coil, carries out heat exchange, another portion with the water in stainless steel tube coil pipe
Dividing flue gas to flow into from outside to inside from discharge flue, is met with the water phase being just passed through from water inlet, the vapor in flue gas condenses,
Further discharging heat, the heat of release carries out heat exchange with the water in Stainless Steel Coil again, by the release of heat twice,
Increase the heat exchanger effectiveness with water.The release of combustion gas chemical energy completely, improves the utilization rate of combustion gas, the hydrogen ion in combustion gas is all
Generating water vapour is to form the latent heat of vaporization to improve basic condition, therefore the thermal efficiency to exchange heat is greater than 100%, reaches as high as 108%.
2, enter condensing after combustion gas and air sufficiently premix and premix heat exchanger full combustion entirely, at this time in heat exchanger
Excess air factor control 1.05~1.35, react the small secondary combustion for avoiding flue gas of the combustable gas concentration in abundant flue gas
It burns or explosion, full premix combustion reaction sufficiently, by controlling excess air factor fundamentally controls the O in flue gas2Concentration,
And the fracture of c h bond is also easy to N=N key (c h bond 4.14 × 105J/mol；N=N bond energy 9.45 × 108J/mol；) effective
Reduce the generation of NOx, safety and environmental protection.
Detailed description of the invention
Fig. 1 is the longitudinal sectional view that the utility model condensing premixes heat exchanger entirely；
Fig. 2 is the top view that the utility model condensing premixes heat exchanger entirely；
Wherein: 1, shell；2, combustion chamber；3, Heat Room；4, Stainless Steel Coil；5, thermal insulation board；6, water inlet；7, it is discharged
Mouthful；8, gas inlet；9, condensation-water drain；10, smoke outlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
As shown in Figure 1 and Figure 2, condensing premixes heat exchanger entirely, including shell 1, combustion chamber 2, Heat Room 3, water inlet 6,
Water outlet 7, gas inlet 8, condensation-water drain 9 and smoke outlet 10.
Combustion chamber 2 and Heat Room 3 are mounted on inside shell 1.
It is characterized by: Heat Room 3 is to be formed by cavity in Stainless Steel Coil 4, Stainless Steel Coil 4 is in spiral shape,
It is even to be distributed in shell 1；
Shell 1 is equipped with water inlet 6 and water outlet 7, water inlet 6 and water outlet 7 by water pipe respectively with 3 phase of Heat Room
Even.
4 two sides of Stainless Steel Coil are equipped with thermal insulation board 5, and thermal insulation board 5 is annularly distributed, Stainless Steel Coil 4 and two sides every
Hot plate 5 constitutes combustion chamber 2, and combustion chamber 2 is equipped with igniter.
Gas inlet 8 is additionally provided on shell 1, gas inlet 8 is connected by flue with combustion chamber 2.
Condensation-water drain 9 and smoke outlet 10 are also connected on combustion chamber 2.
Stainless Steel Coil 4 is single whole stainless steel finned tube, whole root canal solderless interface, seamless, will not be generated stainless
Corrode between steel weldment.
The material of shell 1 is pack alloy.
The working process of the utility model is as follows: air is first passed through full premix before entering the utility model heat exchanger
In blower.The oxygen concentration in air is adjusted, air and combustion gas are sufficiently matched, are uniformly mixed later again by cooperation gas ratio valve
It is passed through the burning of combustion chamber 2, optimum oxygen concentration needed for reaching fuel gas buring improves efficiency of combustion, and then improves heat and turn
Change rate.The flowing of flue gas a part from inside to outside with heat, and directly contacted with Stainless Steel Coil 4, with stainless steel pipe dish
Water in pipe carries out heat exchange, and another part flue gas flows into from outside to inside from discharge flue, with the water phase being just passed through from water inlet 6
Meet, the vapor in flue gas condenses, further discharge heat, the heat of release again with the water in Stainless Steel Coil 4 into
Row heat exchange increases the heat exchanger effectiveness with water by the release of heat twice.The release of combustion gas chemical energy completely, improves
The utilization rate of combustion gas, it is to form the latent heat of vaporization to improve basic condition, therefore exchange heat that the hydrogen ion in combustion gas, which all generates water vapour,
The thermal efficiency is greater than 100%, reaches as high as 108%.
Meanwhile combustion gas and air sufficiently premix after into condensing premix heat exchanger full combustion entirely, heat exchange at this time
Excess air factor in device is controlled 1.05~1.35, reacts that the combustable gas concentration in abundant flue gas is small to avoid the two of flue gas
Secondary burning or explosion, full premix combustion reaction sufficiently, by controlling excess air factor fundamentally control the O in flue gas2
Concentration, and the fracture of c h bond is also easy to N=N key (c h bond 4.14 × 105J/mol；N=N bond energy 9.45 × 108J/mol；)
It is effectively reduced the generation of NOx.
The utility model structure is simple, by improving the heat of fuel gas buring efficiency and flue gas secondary release to the cold, reaches
Under same energy consumption, the opposite more heats of conventional heat exchanger are discharged, and then improve the heat exchanger effectiveness of water, had very strong
Practicability and generalization, while being also effectively reduced the generation of NOx, safety and environmental protection.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. condensing premixes heat exchanger, including shell (1), combustion chamber (2), Heat Room (3), water inlet (6), water outlet entirely
(7), gas inlet (8), condensation-water drain (9) and smoke outlet (10),
It is internal that the combustion chamber (2) and Heat Room (3) are mounted on the shell (1)；
It is characterized by: the Heat Room (3) is to be formed by cavity in Stainless Steel Coil (4), the Stainless Steel Coil (4) is in
Spiral is uniformly distributed in the shell (1)；
The shell (1) is equipped with the water inlet (6) and water outlet (7), and the water inlet (6) and water outlet (7) pass through water
Pipe is connected with the Heat Room (3) respectively；
Stainless Steel Coil (4) two sides are equipped with thermal insulation board (5), and the thermal insulation board (5) is annularly distributed, the stainless steel disc
The thermal insulation board (5) for managing (4) and two sides constitutes the combustion chamber (2), and the combustion chamber (2) is equipped with igniter；
It is additionally provided on the shell gas inlet (8), the gas inlet (8) passes through flue and the combustion chamber (2) phase
Even；
The condensation-water drain (9) and the smoke outlet (10) are also connected on the combustion chamber (2).
2. condensing premixes heat exchanger entirely according to claim 1, it is characterised in that: the Stainless Steel Coil (4) is single
Root entirety stainless steel finned tube.
3. condensing premixes heat exchanger entirely according to claim 1, it is characterised in that: the material of the shell (1) is pressure
Cast aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366999.1U CN208751035U (en) | 2018-08-23 | 2018-08-23 | Condensing premixes heat exchanger entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366999.1U CN208751035U (en) | 2018-08-23 | 2018-08-23 | Condensing premixes heat exchanger entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208751035U true CN208751035U (en) | 2019-04-16 |
Family
ID=66080973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821366999.1U Active CN208751035U (en) | 2018-08-23 | 2018-08-23 | Condensing premixes heat exchanger entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208751035U (en) |
-
2018
- 2018-08-23 CN CN201821366999.1U patent/CN208751035U/en active Active
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