CN204880728U - Novel backflow combustion full-premix condensation gas heating water heater - Google Patents
Novel backflow combustion full-premix condensation gas heating water heater Download PDFInfo
- Publication number
- CN204880728U CN204880728U CN201520637235.1U CN201520637235U CN204880728U CN 204880728 U CN204880728 U CN 204880728U CN 201520637235 U CN201520637235 U CN 201520637235U CN 204880728 U CN204880728 U CN 204880728U
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- heat
- gas
- refluence
- housing
- chamber
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- 239000008236 heating water Substances 0.000 title claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 title abstract description 3
- 238000009833 condensation Methods 0.000 title abstract description 3
- 230000005494 condensation Effects 0.000 title abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 24
- 239000003517 fume Substances 0.000 claims description 8
- 239000002737 fuel gas Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000007528 sand casting Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 4
- 230000002547 anomalous effect Effects 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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]
Abstract
The utility model discloses a novel backflow combustion full premix condensation gas heating water heater, backflow heat exchanger adopts cast aluminium shaping, adopt sand casting technology shaping promptly, the water of heat absorption intracavity flows from the bottom up circulation, and be provided with the cavity that the several is not of uniform size in the heat absorption intracavity, this cavity makes rivers be turbulent state in the heat absorption intracavity, anomalous rivers then erode the heat absorption chamber lateral wall, realize the self-cleaning function, effectively avoided long-time after using and the phenomenon of gathering the incrustation scale, heat exchange efficiency has both been improved, the safe operation is also guaranteed simultaneously.
Description
[technical field]
The utility model relates to heating equipment, and especially a kind of novel reverse flow burns full premixed condensed gas-heating water heater.
[background technology]
At present, middle-size and small-size gas-heating water heater, based on atmospheric burning type cast-iron boiler and fire-pipe type gas heating water heater, accounts for more than 95% of such gas-heating water heater.This type of gas-heating water heater body of heater is owing to being limited to ferrous material low heat transfer coefficient and manufacturing process impact, general feature dimension is huge, build is heavy, because cast iron materials acid-resistant corrosion is poor, cast iron heat exchanger requires that heat transfer process does not generate condensed water, general maintenance exhaust gas temperature is more than 145 DEG C, and heat loss due to exhaust gas is serious, and the complete machine thermal efficiency is low.
Therefore, existing product heating hot water furnace thermal efficiency is low, exhaust emission object height, service life are short, with regard to centering small gas water heater for heating, due to its combustion gas class A fuel A, a large amount of steam is had in combustion product, can take away a large amount of heats with flue gas, and heat loss is mainly derived from heat loss due to exhaust gas, accounts for Total heat loss's more than 95%.
Namely the utility model is researched and proposed for the deficiencies in the prior art.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of novel reverse flow and burns full premixed condensed gas-heating water heater, refluence heat exchanger adopts cast aluminium forming, namely adopt sand casting process shaping, water in heat-absorbing chamber up circulates from bottom, and in heat-absorbing chamber, be provided with several cavity not of uniform size, this cavity makes current in heat-absorbing chamber in turbulent condition, irregular current then wash away heat-absorbing chamber sidewall, realize self-cleaning function, the phenomenon of incrustation scale is gathered after effectively prevent long-time use, both improve heat exchange efficiency, also ensure safe operation simultaneously.
For solving the problems of the technologies described above, a kind of novel reverse flow of the utility model burns full premixed condensed gas-heating water heater, adopts following technical scheme, comprising:
One housing, is provided with chamber in described housing.
One exhaust fume collecting hood, described exhaust fume collecting hood lower end is communicated with chamber roof, and described exhaust fume collecting hood upper end extends upward housing and communicates with the external world.
One blower fan assembly, described blower fan assembly is fixed in chamber, the air port output of described blower fan assembly down and to being connected to refluence burner, described blower fan assembly input is connected with gas pipeline, and the described gas pipeline other end docks with extraneous fuel gas supply pipeline.
One refluence heat exchanger, described refluence heat exchanger is cast aluminium type casting moulding and is located in chamber, the open top of described refluence heat exchanger is also docked with refluence burner, exhaust outlet is provided with bottom described refluence heat exchanger, described refluence heat exchanger side is provided with heat-absorbing chamber, and upper and lower parts, described heat-absorbing chamber side are communicated with hot water outlet pipe and return pipe respectively.
One water pump, described water pump is located at bottom case inside, and described return pipe lower end is connected with water pump output.
One water outlet valve body, described water outlet valve body is located at bottom case inside, and described hot water outlet pipe lower end is connected with water outlet valve body.
One gas ratio valve, described gas ratio valve is located at bottom case inside, and described gas pipeline lower end is connected with gas ratio valve.
And an expansion tank, described expansion tank is located at case inside face, is connected with filling pipe between described expansion tank and water pump, and described filling pipe lower end is provided with water compensating valve.
Be provided with in described heat-absorbing chamber and make current in the turbulence structure of turbulent condition in heat-absorbing chamber, described turbulence structure is several not of uniform size and be located at the cavity of heat-absorbing chamber madial wall.
The cross section of described heat-absorbing chamber progressively diminishes from the bottom to top.
Also be provided with in a condensed water bottom described case inside and protect device, protect device top and be connected with condensate draining pipe in described condensed water, described condensate draining pipe upper end is provided with access oral area, and described access oral area is upwards towards exhaust outlet.
Described water pump is also connected with safety valve.
Compared with prior art, a kind of novel reverse flow of the utility model burns full premixed condensed gas-heating water heater, and tool has the following advantages:
1, refluence heat exchanger adopts cast aluminium forming, alleviates Total Product weight, and improves heat exchange efficiency;
2, the exhaust outlet of refluence heat exchanger down, upper and lower parts, heat-absorbing chamber side are communicated with hot water outlet pipe and return pipe respectively, current in heat-absorbing chamber from bottom to top circulate, when flue gas is discharged from exhaust outlet, because the water flow temperature bottom heat-absorbing chamber is lower, effectively absorb the heat in flue gas, improve heat exchange efficiency further.
3, several cavity not of uniform size is provided with in heat-absorbing chamber, this cavity makes current in heat-absorbing chamber in turbulent condition, irregular current then wash away heat-absorbing chamber sidewall, realize self-cleaning function, the phenomenon that incrustation scale causes hot-spot is gathered after effectively prevent long-time use, further raising heat exchange efficiency, also ensures safe operation simultaneously;
4, the cross section of heat-absorbing chamber progressively diminishes from the bottom to top, and make low-temperature space cross section of fluid channel comparatively large, flow rate of water flow is then lower, and heat-exchange time is long, be beneficial to absorb discharge the heat of flue gas, raising energy conversion efficiency; And high-temperature area cross section of fluid channel is less, flow rate of water flow is then very fast, has the rapid feature of heat exchange.
5, general gas-heating water heater, is at 145 DEG C in oepration at full load state down smoke-discharging temperature, and heat exchange efficiency is only about 88%.Flowing backwards in the full premixed condensed gas-heating water heater of burning at the utility model, is that heat exchange efficiency is more than 107% at 55 DEG C to 65 DEG C in oepration at full load state down smoke-discharging temperature.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
Fig. 3 is the explosive view of heat exchanger and refluence burner of flowing backwards in the utility model.
[detailed description of the invention]
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As depicted in figs. 1 and 2, a kind of novel reverse flow of the utility model burns full premixed condensed gas-heating water heater, mainly comprises housing 1, blower fan assembly 4, refluence burner 5, refluence heat exchanger 6 and water pump 7.
Chamber 2 is provided with in described housing 1.
Described exhaust fume collecting hood 3 lower end is communicated with chamber 2 top, and described exhaust fume collecting hood 3 upper end extends upward housing 1 and communicates with the external world, to be discharged by flue gas.
Described blower fan assembly 4 is fixed in chamber 2, the air port output of described blower fan assembly 4 is down and to being connected to refluence burner 5, described blower fan assembly 4 input is connected with gas pipeline 41, described gas pipeline 41 other end docks with extraneous fuel gas supply pipeline, by controlling blower fan assembly 4, to regulate air quantity and to ensure that aeration ratio is accurate.
Described refluence heat exchanger 6 is cast aluminium type casting moulding and is located in chamber 2, namely adopts accurate advanced sand casting process, by adopting the refluence heat exchanger 6 of aluminum, alleviating Total Product weight, and improve heat exchange efficiency; The open top of described refluence heat exchanger 6 is also docked with refluence burner 5, exhaust outlet 61 is provided with bottom described refluence heat exchanger 6, described refluence heat exchanger 6 side is provided with heat-absorbing chamber 62, and upper and lower parts, described heat-absorbing chamber 62 side are communicated with hot water outlet pipe 63 and return pipe 64 respectively.Exhaust outlet 61 is arranged down, and upper and lower parts, heat-absorbing chamber 62 side are communicated with the hot water outlet pipe 63 releasing hot water and the return pipe 64 injecting cold water respectively, the current in heat-absorbing chamber 62 from bottom to top circulate, be conducive to absorbing discharge the heat of flue gas, improve heat exchange efficiency, reduce energy loss.
Described water pump 7, water outlet valve body 8 and gas ratio valve 9 are all located at housing 1 inside bottom, described return pipe 64 lower end is connected with water pump 7 output, described hot water outlet pipe 63 lower end is connected with water outlet valve body 8, and described gas pipeline 41 lower end is connected with gas ratio valve 9.By controlling gas ratio valve 9 with the flow of regulating gas, and then regulate the firepower size of refluence burner 5, described water pump 7 is also connected with safety valve 13, to guarantee use safety.
Described expansion tank 10 is located at housing 1 medial surface, is connected with filling pipe 101 between described expansion tank 10 and water pump 7, and described filling pipe 101 lower end is provided with water compensating valve 101.
As shown in Figure 3, be provided with in described heat-absorbing chamber 62 and make the turbulence structure of current in turbulent condition in heat-absorbing chamber 62, described turbulence structure is several not of uniform size and cavitys 621 be located in heat-absorbing chamber 62, this cavity 621 makes current in heat-absorbing chamber 62 in turbulent condition, irregular current then wash away heat-absorbing chamber 62 sidewall, therefore self-cleaning function is achieved, after effectively prevent long-time use, heat-absorbing chamber 62 madial wall gathers incrustation scale and causes the phenomenon of hot-spot, both heat exchange efficiency was further increased, also ensure safe operation simultaneously, there is the feature of durable highly efficient.
The cross section of described heat-absorbing chamber 62 progressively diminishes from the bottom to top, because the exhaust outlet 61 of refluence heat exchanger 6 is arranged down, and upper and lower parts, heat-absorbing chamber 62 side are communicated with the hot water outlet pipe 63 discharging hot water and the return pipe 64 injecting cold water respectively, current in heat-absorbing chamber 62 are from bottom to top circulated, again because the cross section of heat-absorbing chamber 62 adopts the design that progressively diminishes from the bottom to top, make the low-temperature space cross section of fluid channel being positioned at bottom larger, flow rate of water flow is then lower, need heat-exchange time longer, be beneficial to further absorb discharge the heat of flue gas; And the high-temperature area cross section of fluid channel being positioned at top is less, flow rate of water flow is then very fast, has the rapid feature of heat exchange.
Described housing 1 inside bottom is also provided with in a condensed water protects device 10, protect device 10 top in described condensed water and be connected with condensate draining pipe 11, described condensate draining pipe 11 upper end is provided with access oral area 111, and described access oral area 111, upwards towards exhaust outlet 61, collects the steam in flue gas with condensation.
In sum, adopt the product weight of technical solutions of the utility model less, realize the function of self-cleaning heat-absorbing chamber, there is heat transfer efficient and durable feature.
Claims (5)
1. novel reverse flow burns a full premixed condensed gas-heating water heater, it is characterized in that comprising
One housing (1), is provided with chamber (2) in described housing (1);
One exhaust fume collecting hood (3), described exhaust fume collecting hood (3) lower end is communicated with chamber (2) top, and described exhaust fume collecting hood (3) upper end extends upward housing (1) and communicates with the external world;
One blower fan assembly (4), described blower fan assembly (4) is fixed in chamber (2), the air port output of described blower fan assembly (4) is down and to being connected to refluence burner (5), described blower fan assembly (4) input is connected with gas pipeline (41), and described gas pipeline (41) other end docks with extraneous fuel gas supply pipeline;
One refluence heat exchanger (6), described refluence heat exchanger (6) is for cast aluminium forming and be located in chamber (2), described refluence heat exchanger (6) open top is also docked with refluence burner (5), described refluence heat exchanger (6) bottom is provided with exhaust outlet (61), described refluence heat exchanger (6) side is provided with heat-absorbing chamber (62), and described heat-absorbing chamber (62) upper and lower parts, side are communicated with hot water outlet pipe (63) and return pipe (64) respectively;
One water pump (7), described water pump (7) is located at housing (1) inside bottom, and described return pipe (64) lower end is connected with water pump (7) output;
One water outlet valve body (8), described water outlet valve body (8) is located at housing (1) inside bottom, and described hot water outlet pipe (63) lower end is connected with water outlet valve body (8);
One gas ratio valve (9), described gas ratio valve (9) is located at housing (1) inside bottom, and described gas pipeline (41) lower end is connected with gas ratio valve (9); And
One expansion tank (10), described expansion tank (10) is located at housing (1) medial surface, be connected with filling pipe (101) between described expansion tank (10) and water pump (7), described filling pipe (101) lower end is provided with water compensating valve (102).
2. to burn full premixed condensed gas-heating water heater by novel reverse flow a kind of described in claim 1, it is characterized in that being provided with in described heat-absorbing chamber (62) and make current in the turbulence structure of turbulent condition in heat-absorbing chamber (62), described turbulence structure is several not of uniform size and be located at the cavity (621) of heat-absorbing chamber (62) madial wall.
3. to burn full premixed condensed gas-heating water heater by novel reverse flow a kind of described in claim 2, it is characterized in that the cross section of described heat-absorbing chamber (62) progressively diminishes from the bottom to top.
4. to burn full premixed condensed gas-heating water heater by novel reverse flow a kind of described in claim 1, it is characterized in that described housing (1) inside bottom is also provided with in a condensed water and protect device (10), protect device (10) top in described condensed water and be connected with condensate draining pipe (11), described condensate draining pipe (11) upper end is provided with access oral area (111), and described access oral area (111) is upwards towards exhaust outlet (61).
5. to burn full premixed condensed gas-heating water heater by novel reverse flow a kind of described in claim 1, it is characterized in that described water pump (7) is also connected with safety valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637235.1U CN204880728U (en) | 2015-08-21 | 2015-08-21 | Novel backflow combustion full-premix condensation gas heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637235.1U CN204880728U (en) | 2015-08-21 | 2015-08-21 | Novel backflow combustion full-premix condensation gas heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204880728U true CN204880728U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520637235.1U Active CN204880728U (en) | 2015-08-21 | 2015-08-21 | Novel backflow combustion full-premix condensation gas heating water heater |
Country Status (1)
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| CN (1) | CN204880728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108065794A (en) * | 2017-07-28 | 2018-05-25 | 宁波方太厨具有限公司 | A kind of vapour condensation device for steam box |
| CN110513880A (en) * | 2019-09-25 | 2019-11-29 | 山东爱客多热能科技有限公司 | A kind of full premixed condensed heat exchanger of inversion type burning |
-
2015
- 2015-08-21 CN CN201520637235.1U patent/CN204880728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108065794A (en) * | 2017-07-28 | 2018-05-25 | 宁波方太厨具有限公司 | A kind of vapour condensation device for steam box |
| CN108065794B (en) * | 2017-07-28 | 2023-09-15 | 宁波方太厨具有限公司 | Steam condensing device for steam box |
| CN110513880A (en) * | 2019-09-25 | 2019-11-29 | 山东爱客多热能科技有限公司 | A kind of full premixed condensed heat exchanger of inversion type burning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |