CN219301030U - Full premix condensation water heater inner bag - Google Patents
Full premix condensation water heater inner bag Download PDFInfo
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- CN219301030U CN219301030U CN202320296858.1U CN202320296858U CN219301030U CN 219301030 U CN219301030 U CN 219301030U CN 202320296858 U CN202320296858 U CN 202320296858U CN 219301030 U CN219301030 U CN 219301030U
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- heat exchange
- exchange tube
- smoke
- collecting hood
- exchange tubes
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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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Abstract
The utility model discloses a full premix condensation water heater liner, which comprises a smoke inlet end, a smoke outlet end, a first smoke collecting hood, a second smoke collecting hood and a heat exchange tube; the inner wall of the heat exchange tube is provided with a spoiler, and the outer wall of the heat exchange tube is provided with fins. The number of the peripheral heat exchange tubes is increased layer by layer, the diameter of the peripheral heat exchange tubes is reduced, the residence time and the running distance of the smoke on the heat exchange tubes are prolonged, the flowing direction of the smoke is disturbed, the smoke flows along the inner walls of the heat exchange tubes, the contact area between the smoke and the walls of the heat exchange tubes is increased, the heat conduction efficiency is improved, the water flow is changed into turbulent flow from laminar flow, the heat exchange efficiency is improved, the water flow speed around the outer walls of the heat exchange tubes is accelerated, the deposition scale speed on the outer walls of the heat exchange tubes is effectively reduced, the spoiler, the fin and the heat exchange tube walls are movably connected, the movable angles of the spoiler and the fin are convenient to adjust, the heat conduction efficiency of the heat exchange tubes can be further improved, and finally the heat efficiency of the heat exchange tubes can be remarkably improved through the combined design.
Description
Technical Field
The utility model relates to the technical field of accessory equipment of gas water heaters, in particular to a full premix condensation water heater liner.
Background
When the common gas water heater works, a large amount of high-temperature smoke can be discharged, the common gas water heater cannot utilize the heat, the heat is wasted, and compared with the common gas water heater, the condensation gas water heater is additionally provided with a first-stage condensation heat exchanger, and cold water is preheated by absorbing the high-temperature smoke, so that the gas water heater has the advantages of higher heat efficiency, environmental protection, energy conservation and the like. However, according to market feedback, the current condensing heat exchangers have low capacity for generating heat per unit time, and after a period of use, their heat exchange efficiency is significantly reduced, mainly for the following reasons: firstly, the flow of high-temperature flue gas generated by combustion is short, the heat exchange surface is small, the flue gas exhaust temperature is high, and partial heat loss can not be fully utilized; secondly, the contact area of water flow and a heat exchange pipeline is limited, so that the heat exchange efficiency is low; thirdly, because the utilized high-temperature flue gas contains a large amount of particulate matters, the particulate matters are easily attached to the inner wall of the heat exchange pipeline when passing through the condensing heat exchanger, so that the heat transfer efficiency is reduced.
Disclosure of Invention
In order to solve the technical problems that the existing condensing heat exchanger has low heat generating capacity in unit time and the heat exchange efficiency is obviously reduced after being used for a period of time, the utility model adopts the following technical scheme: a full premix condensing water heater liner, comprising:
the smoke inlet end, the smoke outlet end, the first smoke collecting hood, the second smoke collecting hood and the heat exchange tube;
the first fume collecting hood and the second fume collecting hood are hollow structures;
the heat exchange tubes comprise a first heat exchange tube, a second heat exchange tube and a third heat exchange tube, the tube diameters of the first heat exchange tube, the second heat exchange tube and the third heat exchange tube are sequentially decreased, the number of the first heat exchange tube, the second heat exchange tube and the third heat exchange tube are sequentially increased, the first heat exchange tube is taken as a center to be circumferentially distributed, and the third heat exchange tube is arranged at the periphery of the second heat exchange tube;
the top of the first heat exchange tube is communicated with the smoke inlet end to receive smoke from the gas combustion chamber, the upper end of the first heat exchange tube is sleeved with the first smoke collecting hood, the first heat exchange tube is not communicated with the first smoke collecting hood, the bottom of the first heat exchange tube is fixedly connected with the second smoke collecting hood, the bottom of the first heat exchange tube is not communicated with the second smoke collecting hood, the lower end of the first heat exchange tube is communicated with the bottom of the second heat exchange tube, the top of the second heat exchange tube is communicated with the first smoke collecting hood, the top of the third heat exchange tube is communicated with the first smoke collecting hood, the bottom of the third heat exchange tube is communicated with the second smoke collecting hood, and the lower end of the second smoke collecting hood is provided with the smoke outlet end to discharge the smoke;
the heat exchange tube is characterized in that the inner wall of the heat exchange tube is provided with spoilers with staggered positions, the outer wall of the heat exchange tube is provided with fins, the spoilers are movably connected with the wall of the heat exchange tube, and the spoilers and the fins are sealed with the wall of the heat exchange tube through third high-temperature-resistant corrosion-resistant elastic sealing pieces.
According to an embodiment of the present utility model, the fins and the spoiler are made of aluminum foil or copper sheet.
According to an embodiment of the utility model, the heat exchange tube can be made of any one of 304 stainless steel, copper pipe or double-sided enamel.
According to one embodiment of the utility model, a flange and a second high-temperature-resistant corrosion-resistant elastic sealing element are arranged at the joint of the top of the second heat exchange tube and the first fume collecting hood, the flange and the second high-temperature-resistant corrosion-resistant elastic sealing element are arranged at the joint of the top of the third heat exchange tube and the first fume collecting hood, and the flange and the second high-temperature-resistant corrosion-resistant elastic sealing element are arranged at the joint of the bottom of the third heat exchange tube and the second fume collecting hood.
According to an embodiment of the present utility model, the number of the first heat exchange tube, the second heat exchange tube, and the third heat exchange tube increases exponentially.
According to one embodiment of the utility model, the lower end of the first heat exchange tube and the bottom of the second heat exchange tube are integrally formed.
According to one embodiment of the utility model, the top of the first heat exchange tube is provided with a bracket, and the bracket is provided with a groove for clamping the solid particle filter.
According to an embodiment of the utility model, the solid particulate filter comprises a silicon carbide membrane filter layer provided with gas channels.
According to an embodiment of the utility model, the groove and the solid particle filter are sealed in a line by a first high temperature resistant and corrosion resistant elastic sealing element.
According to one embodiment of the utility model, the first high-temperature-resistant corrosion-resistant elastic sealing element is made of any one of hydrogenated nitrile rubber, fluororubber and silicone rubber.
The beneficial effects of this application lie in: compared with the prior art, the heat exchange tube has the advantages that the number of the peripheral heat exchange tubes is increased layer by layer around the first heat exchange tube, the diameter of the peripheral heat exchange tubes is reduced, the stay time and the running path of high-temperature flue gas on the heat exchange tubes are increased, meanwhile, the flow direction of the flue gas can be disturbed by adding the spoiler on the heat exchange tubes, the flue gas can flow against the inner wall of the heat exchange tubes, the contact area between the flue gas and the heat exchange tube wall is increased, the heat conduction efficiency is improved, the fins and the heat exchange tube wall can form a spiral waterway through adding the fins on the outer wall of the heat exchange tubes, the water flow is effectively changed into turbulent flow from layer to improve the heat exchange efficiency, the water flow speed around the outer wall of the heat exchange tubes can be improved, the deposition speed of scale on the outer wall of the heat exchange tubes is effectively reduced, the spoiler, the movable angles of the spoiler and the fins are conveniently adjusted, the scale and smoke dust particles attached on the heat exchange tube wall can be cleaned, the heat conduction efficiency of the heat exchange tubes can be further improved, and finally the heat efficiency is remarkably improved through the combined design.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partially disassembled schematic illustration of the present utility model;
FIG. 3 is a schematic view of a solid particulate filter according to the present utility model in a partially enlarged configuration;
FIG. 4 is a schematic view of a third heat exchange tube according to the present utility model;
FIG. 5 is a schematic view of a third heat exchange tube with a partially enlarged structure according to the present utility model;
in the figure:
1. an inner container;
2. a first fume collection hood;
3. a second fume collecting hood;
4. a heat exchange tube;
41. a first heat exchange tube; 411. a bracket; 412. a solid particulate filter; 413. a first high temperature resistant corrosion resistant elastomeric seal;
42. a second heat exchange tube;
43. a third heat exchange tube; 431. a flange; 432. a second high temperature resistant corrosion resistant elastomeric seal; 433. a spoiler; 434. a fin; 435. a third high temperature resistant corrosion resistant elastomeric seal;
5. a smoke inlet end;
6. and a smoke outlet end.
Detailed Description
Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Example 1
Referring to fig. 1 and 2, the liner of the full premix condensation water heater provided in the present embodiment is used for solving the technical problems of low heat generating capacity in unit time and significantly reduced heat exchange efficiency after a period of use in a conventional condensation water heater. The full premix condensation water heater liner 1 provided by the embodiment comprises a smoke inlet end 5, a smoke outlet end 6, a first smoke collecting hood 2, a second smoke collecting hood 3 and a heat exchange tube 4;
the first fume collecting hood 2 and the second fume collecting hood 3 are hollow structures for fume collection; the first fume collecting hood 2 and the second fume collecting hood 3 are made of 304 stainless steel, and the bottom surface of the first fume collecting hood 2 and the top surface of the second fume collecting hood 3 are provided with a plurality of small holes for communicating the second heat exchange tube 42 and the third heat exchange tube 43.
The heat exchange tube 4 comprises a first heat exchange tube 41, a second heat exchange tube 42 and a third heat exchange tube 43, wherein the heat exchange tube 4 is made of any one material of 304 stainless steel, copper tube or double-sided enamel, and the heat exchange tube 4 is a round tube or a square tube. Preferably, the heat exchange tube 4 is a circular tube, the manufacturing process of the circular tube is simpler, the contact area is larger, the heat exchange efficiency is higher, and no dead angle exists, so that the cleaning is convenient. The tube diameters of the first heat exchange tube 41, the second heat exchange tube 42 and the third heat exchange tube 43 are sequentially decreased and the number of the first heat exchange tube 41, the second heat exchange tube 42 and the third heat exchange tube 43 is sequentially increased, the number of the specific first heat exchange tube 41, the second heat exchange tube 42 and the third heat exchange tube 43 is increased according to an exponential order, the second heat exchange tube 42 and the third heat exchange tube 43 are all distributed in a surrounding manner by taking the first heat exchange tube 41 as the center, and the third heat exchange tube 43 is arranged at the periphery of the second heat exchange tube 42.
The top of the first heat exchange tube 41 is communicated with the smoke inlet end 5 to receive smoke from the gas combustion chamber, the upper end of the first heat exchange tube 41 is sleeved with the first smoke collecting hood 2, the first heat exchange tube 41 is not communicated with the first smoke collecting hood 2, the bottom of the first heat exchange tube 41 is fixedly connected with the second smoke collecting hood 3, and the lower end of the first heat exchange tube 41 and the bottom of the second heat exchange tube 42 are integrally formed. The bottom of the first heat exchange tube 41 is not communicated with the second fume collecting hood 3, the lower end of the first heat exchange tube 41 is communicated with the bottom of the second heat exchange tube 42, the top of the second heat exchange tube 42 is communicated with the first fume collecting hood 2, the top of the third heat exchange tube 43 is communicated with the first fume collecting hood 2, the bottom of the third heat exchange tube 43 is communicated with the second fume collecting hood 3, and the lower end of the second fume collecting hood 3 is provided with a fume outlet end 6 for discharging fume.
Referring to fig. 4, taking the third heat exchange tube 43 as an example for demonstration, the second heat exchange tube 42 and the first heat exchange tube 41 are respectively integrally formed or fixedly connected with the first fume collecting hood 2 and the second fume collecting hood 3, when the fixed connection is adopted, the top of the second heat exchange tube 42 is in sealing connection with the first fume collecting hood 2 through a flange 431 and a second high temperature resistant corrosion resistant elastic sealing member 432, the top of the third heat exchange tube 43 is in sealing connection with the first fume collecting hood 2 through a flange 431 and a second high temperature resistant corrosion resistant elastic sealing member 432, and the bottom of the third heat exchange tube 43 is in sealing connection with the second fume collecting hood 3 through a flange 431 and a second high temperature resistant corrosion resistant elastic sealing member 432.
Referring to fig. 5, the inner wall of the heat exchange tube 4 is provided with a spoiler 433 with staggered positions, the outer wall of the heat exchange tube 4 is provided with a fin 434, the spoiler 433 and the fin 434 are movably connected with the wall of the heat exchange tube 4, and the spoiler 433 and the fin 434 are sealed with the wall line of the heat exchange tube 4 through a third high-temperature-resistant corrosion-resistant elastic sealing member 435. The spoiler 433 and the fin 434 are both made of aluminum foil or copper sheet. The second high temperature resistant and corrosion resistant elastic seal 432 and the third high temperature resistant and corrosion resistant elastic seal 435 are made of any one of hydrogenated nitrile rubber, fluororubber and silicone rubber.
By means of the mechanism, high-temperature flue gas enters the first heat exchange tube 41 from the flue gas inlet end 5, and gradually sinks to the lower end of the first heat exchange tube 41 due to the self weight of the high-temperature flue gas, and enters the second heat exchange tube 42 from the lower end of the first heat exchange tube 41, enters the first fume collecting hood 2 along the second heat exchange tube 42, the mixture is freely mixed in the first fume collecting hood 2, then enters the third heat exchange tube 43 again, enters the second fume collecting hood 3 along the third heat exchange tube 43, finally is discharged from the fume outlet end 6, the number of the peripheral heat exchange tubes is increased layer by taking the first heat exchange tube 41 as a center, the diameter of the peripheral heat exchange tubes is reduced, the residence time and the running distance of the high-temperature flue gas in the heat exchange tube 4 are increased, meanwhile, the flow direction of the smoke can be disturbed by adding the spoiler 433 on the heat exchange tube 4, so that the smoke can flow along the inner wall of the heat exchange tube 4, the contact area between the smoke and the wall of the heat exchange tube 4 is increased, the heat conduction efficiency is improved, and the fins 434 are added on the outer wall of the heat exchange tube 4 to form a spiral waterway with the wall of the heat exchange tube 4, so that the water flow is changed into turbulent flow from a laminar flow effectively, the heat exchange efficiency can be improved, the water flow speed around the outer wall of the heat exchange tube 4 can be improved, the heat exchange tube 4 has the advantages that the speed of depositing scale on the outer wall of the heat exchange tube 4 is effectively reduced, the spoiler 433 and the fin 434 are movably connected with the wall of the heat exchange tube 4, the movable angles of the spoiler 433 and the fin 434 are convenient to adjust, the scale and smoke dust particles attached to the wall of the heat exchange tube 4 can be cleaned, the second heat exchange tube 42 and the third heat exchange tube 43 are detachably connected with the first smoke collecting hood 2 and the second smoke collecting hood 3, the scale and the smoke dust particles attached to the wall of the heat exchange tube 4 can be cleaned conveniently, the heat conduction efficiency of the heat exchange tube 4 is further improved, and finally the heat efficiency of the heat exchange tube can be remarkably improved through the combined design.
Example two
Referring to fig. 3, the full premix condensation water heater liner provided in the present embodiment is used for solving the problems of low heat generating capacity in unit time and significantly reduced heat exchange efficiency after a period of use in a conventional condensation water heater. The full premix condensation water heater liner provided in this embodiment is that some structures in the full premix condensation water heater liner provided in the first embodiment are improved, and compared with the full premix condensation water heater liner provided in the first embodiment, the specific improvement is as follows:
the full premix condensation water heater inner bag that this embodiment provided, its first heat exchange tube 41 top is equipped with support 411, is equipped with the recess on the support 411, and the recess is used for joint solid particle filter 412, and solid particle filter 412 includes the carborundum membrane filtration layer, and the carborundum membrane filtration layer is provided with the gas passage, carries out the line seal through first high temperature resistant corrosion-resistant elastic seal 413 between solid particle filter 412 and the recess. The first high temperature resistant and corrosion resistant elastic sealing member 413 is made of any one of hydrogenated nitrile rubber, fluororubber and silicone rubber, preferably, the first high temperature resistant and corrosion resistant elastic sealing member 413 is made of silicone rubber, and the silicone rubber has better temperature resistance and oil resistance.
By means of the mechanism, when the high-temperature flue gas enters the first heat exchange tube 41 from the flue gas inlet end 5, the high-temperature flue gas firstly passes through the solid particle filter 412, and because the flue gas contains a large amount of solid particles, the solid particles are trapped by the silicon carbide film filter layer, and gas enters the first heat exchange tube 41 through the gas channel, so that a large amount of solid particles in the flue gas can be prevented from being attached to the wall of the heat exchange tube 4, the heat exchange tube can be used for a long time, and the heat exchange efficiency of the heat exchange tube is not obviously reduced.
The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a full premix condensation water heater inner bag which characterized in that includes: the inner container (1) comprises a smoke inlet end (5), a smoke outlet end (6), a first smoke collecting hood (2), a second smoke collecting hood (3) and a heat exchange tube (4);
the first fume collecting hood (2) and the second fume collecting hood (3) are hollow structures;
the heat exchange tubes (4) comprise first heat exchange tubes (41), second heat exchange tubes (42) and third heat exchange tubes (43), the tube diameters of the first heat exchange tubes (41), the second heat exchange tubes (42) and the third heat exchange tubes (43) are sequentially decreased and the number of the heat exchange tubes is sequentially increased, the second heat exchange tubes (42) and the third heat exchange tubes (43) are all distributed in a surrounding mode by taking the first heat exchange tubes (41) as the center, and the third heat exchange tubes (43) are arranged on the periphery of the second heat exchange tubes (42);
the top of the first heat exchange tube (41) is communicated with the smoke inlet end (5) to receive smoke from the gas combustion chamber, the upper end of the first heat exchange tube (41) is sleeved with the first smoke collecting hood (2), the first heat exchange tube (41) is not communicated with the first smoke collecting hood (2), the bottom of the first heat exchange tube (41) is fixedly connected with the second smoke collecting hood (3), the bottom of the first heat exchange tube (41) is not communicated with the second smoke collecting hood (3), the lower end of the first heat exchange tube (41) is communicated with the bottom of the second heat exchange tube (42), the top of the second heat exchange tube (42) is communicated with the first smoke collecting hood (2), the top of the third heat exchange tube (43) is communicated with the first smoke collecting hood (2), the bottom of the third heat exchange tube (43) is communicated with the second smoke collecting hood (3), and the lower end of the second smoke collecting hood (3) is provided with the smoke outlet end (6) to discharge the smoke;
the heat exchange tube is characterized in that spoilers (433) with staggered positions are arranged on the inner wall of the heat exchange tube (4), fins (434) are arranged on the outer wall of the heat exchange tube (4), the spoilers (433) and the fins (434) are movably connected with the wall of the heat exchange tube (4), and the spoilers (433) and the fins (434) are sealed with the wall line of the heat exchange tube (4) through third high-temperature-resistant corrosion-resistant elastic sealing elements (435).
2. The full premix condensing water heater liner of claim 1, wherein the spoiler (433) and the fin (434) are made of aluminum foil or copper sheet.
3. The full premix condensing water heater liner according to claim 1, wherein the heat exchange tube (4) is made of any one of 304 stainless steel, copper tube or double-sided enamel.
4. The full premix condensation water heater liner according to claim 1, wherein a flange (431) and a second high temperature resistant and corrosion resistant elastic sealing member (432) are arranged at the joint of the top of the second heat exchange tube (42) and the first fume collecting hood (2), the flange (431) and the second high temperature resistant and corrosion resistant elastic sealing member (432) are also arranged at the joint of the top of the third heat exchange tube (43) and the first fume collecting hood (2), and the flange (431) and the second high temperature resistant and corrosion resistant elastic sealing member (432) are also arranged at the joint of the bottom of the third heat exchange tube (43) and the second fume collecting hood (3).
5. The full premix condensing water heater liner of claim 1 wherein the number of first heat exchange tubes (41), second heat exchange tubes (42) and third heat exchange tubes (43) increases exponentially.
6. The full premix condensing water heater liner according to claim 1, wherein the lower end of the first heat exchange tube (41) is integrally formed with the bottom of the second heat exchange tube (42).
7. The full premix condensation water heater liner according to claim 1, wherein a bracket (411) is arranged at the top of the first heat exchange tube (41), a groove is arranged on the bracket (411), and the groove is used for clamping a solid particle filter (412).
8. The full premix condenser water heater liner of claim 7, wherein the solid particulate filter (412) comprises a silicon carbide membrane filter layer provided with a gas passage.
9. The full premix condenser water heater liner as recited in claim 7, wherein the groove is wire sealed with the solid particulate filter (412) by a first high temperature resistant corrosion resistant elastomeric seal (413).
10. The liner of a full premix condenser water heater as recited in claim 9, wherein the first high temperature resistant and corrosion resistant elastomeric seal (413) is made of any one of hydrogenated nitrile rubber, fluororubber, and silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320296858.1U CN219301030U (en) | 2023-02-22 | 2023-02-22 | Full premix condensation water heater inner bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320296858.1U CN219301030U (en) | 2023-02-22 | 2023-02-22 | Full premix condensation water heater inner bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219301030U true CN219301030U (en) | 2023-07-04 |
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ID=86958663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320296858.1U Active CN219301030U (en) | 2023-02-22 | 2023-02-22 | Full premix condensation water heater inner bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219301030U (en) |
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2023
- 2023-02-22 CN CN202320296858.1U patent/CN219301030U/en active Active
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