CN104390357A - Condensation boiler and water preheating device thereof - Google Patents
Condensation boiler and water preheating device thereof Download PDFInfo
- Publication number
- CN104390357A CN104390357A CN201410628258.6A CN201410628258A CN104390357A CN 104390357 A CN104390357 A CN 104390357A CN 201410628258 A CN201410628258 A CN 201410628258A CN 104390357 A CN104390357 A CN 104390357A
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- water
- heat
- condensing
- combustion chamber
- preheating device
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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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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a condensation boiler and a water preheating device thereof. The condensation boiler comprises a condensing heat exchanger, a combustion chamber, a residual smoke flue and the water preheating device, wherein the top cylinder wall of the combustion chamber is provided with multiply uniformly-distributed smoke guide tubes; the condensing heat exchanger is internally provided with a condensation dehydrator; a water feeding device is arranged between the combustion chamber and the condensation dehydrator; a tube port of the water feeding device is connected with a feedwater shunting spraying nozzle; the water preheating device comprises a gas exhaust tube, a water outlet tube, a heat exchange box, a spiral heat exchanger tube, a water inlet tube, a waste liquid discharge tube and a gas inlet tube. By virtue of the smoke guide tubes and the condensation dehydrator, high-temperature smoke can be in direct contact with boiler feedwater so as to exchange heat, so that the thermal efficiency is effectively improved, the temperature of exhaust smoke is reduced and the environment pollution is reduced; the cooled afterheat smoke is cooled and recycled once again by virtue of the water preheating device; hot water subjected to heat exchange is used as preheating water so as to be effectively used, and the production cost is lowered.
Description
Technical field
The present invention relates to a kind of heat-exchanger rig, specifically a kind of condensing boiler and water preheating device thereof.
Background technology
Condensing boiler is exactly sensible heat in utilize efficient waste heat of condensation retracting device high-temperature flue gas that absorption boiler discharges and the latent heat that discharges of water recovery, to reach the object improving boiler thermal output.Condensation heat homogeneous solution-type reactor is in order to reduce exhaust gas temperature, improve boiler thermal output, the measure taked allows flue gas stay boiler flue as much as possible flue gas is fully contacted with water, be exactly allow the content of discharging steam in flue gas reduce in addition as far as possible, but realize the device of these measures in prior art, there is complex structure in it, the problem of poor effect, the exhaust gas temperature of condensation heat homogeneous solution-type reactor in reality still can not obviously be reduced, and the exhaust opening of condensation heat homogeneous solution-type reactor also has white cigarette of emerging to take away more heat transfer more, if by this part heat recovery and utilization, production cost can not only be reduced, improve boiler thermal output, can also protection of the environment.
Summary of the invention
The object of the present invention is to provide a kind of condensing boiler and water preheating device thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of condensing boiler and water preheating device thereof, comprise burner, condensing heat exchanger, combustion chamber, remaining cigarette flue and water preheating device, in described condensing heat exchanger housing, combustion chamber is set, lower end, described combustion chamber is provided with a connecting pipe and passes condensing heat exchanger housing and be connected with burner, the top barrel of described combustion chamber is provided with multiple equally distributed smoke tube, the port of the smoke outlet of described smoke tube down, described condensing heat exchanger top is provided with the exhaust opening be connected with residual heat flue, condensation dehydration device is provided with between described exhaust opening and combustion chamber, waterworks are provided with between described combustion chamber and condensation dehydration device, the described waterworks mouth of pipe connects to water shunting atomizer, the barrel of described condensing heat exchanger water space capacity arranges hot water outlet, the bottom of described condensing heat exchanger arranges blow-off pipe, described water preheating device comprises gas discharge pipe, outlet pipe, heat exchange case, spiral heat-exchange tube, water inlet pipe, discharging of waste liquid pipe and air inlet pipe, described spiral heat-exchange tube is arranged in heat exchange case, described water inlet pipe and heat exchange case are tightly connected, described outlet pipe and heat exchange case are tightly connected, described air inlet pipe is tightly connected through the input of heat exchange case and spiral heat-exchange tube, described gas discharge pipe is tightly connected through the outer wall of heat exchange case and the output of spiral heat-exchange tube, the arrival end of described discharging of waste liquid pipe is communicated with the bottom of spiral heat-exchange tube through the diapire of heat exchange case.
As the further scheme of the present invention: described condensation dehydration device is provided with more than two.
As the present invention's further scheme: described condensing heat exchanger arranges water-level gauge.
As the present invention's further scheme: described heat exchange case is the vertical circular body of closed at both ends.
As the present invention's further scheme: described heat exchange case is provided with temperature display watch.
Beneficial effect of the present invention is: by arranging smoke tube and condensation dehydration device, effectively high-temperature flue gas and boiler feedwater can be carried out direct contact heat transfer, effectively can improve the thermal efficiency, reduce the temperature of smoke evacuation; Because flue gas fully contacts with feedwater, extremely low to the carbon monoxide of airborne release, hydrocarbon, sulfide and oxynitrides, minimizing environmental pollution; Waste heat flue gas after cooling cools recovery again by water preheating device, and the hot water after heat exchange effectively utilizes as preheating water, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of condensing boiler and water preheating device thereof.
In figure: 1, burner; 2, condensing heat exchanger; 3, combustion chamber; 4, hot water outlet; 5, smoke tube; 6, to water shunting atomizer; 7, condensation dehydration device; 8, remaining cigarette flue; 9, waterworks; 10, water-level gauge; 11, stop valve; 12, blow-off pipe; 13, gas discharge pipe; 14, outlet pipe; 15, heat exchange case; 16, temperature display watch; 17, spiral heat-exchange tube; 18, water inlet pipe; 19, discharging of waste liquid pipe; 20, air inlet pipe.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Refer to Fig. 1, in the embodiment of the present invention, a kind of condensing boiler and water preheating device thereof, comprise burner 1, condensing heat exchanger 2, combustion chamber 3, remaining cigarette flue 8 and water preheating device, in described condensing heat exchanger 2 housing, combustion chamber 3 is set, lower end, described combustion chamber 3 is provided with a connecting pipe and passes condensing heat exchanger 2 housing and be connected with burner 1, the top barrel of described combustion chamber 3 is provided with multiple equally distributed smoke tube 5, the port of the smoke outlet of described smoke tube 5 down, described condensing heat exchanger 2 top is provided with the exhaust opening be connected with residual heat flue 8, condensation dehydration device 7 is provided with between described exhaust opening and combustion chamber 3, described condensation dehydration device 7 is provided with more than two, waterworks 9 are provided with between described combustion chamber 3 and condensation dehydration device 7, described waterworks 9 mouth of pipe connect to water shunting atomizer 6, the barrel of described condensing heat exchanger 2 water space capacity arranges hot water outlet 4, the bottom of described condensing heat exchanger 2 arranges blow-off pipe 12, described condensing heat exchanger 2 arranges water-level gauge 10, described water preheating device comprises gas discharge pipe 13, outlet pipe 14, heat exchange case 15, spiral heat-exchange tube 17, water inlet pipe 18, discharging of waste liquid pipe 19 and air inlet pipe 20, described heat exchange case 15 is the vertical circular body of closed at both ends, described heat exchange case 15 is provided with temperature display watch 16, described spiral heat-exchange tube 17 is arranged in heat exchange case 15, described water inlet pipe 18 is tightly connected with heat exchange case 15, described outlet pipe 14 is tightly connected with heat exchange case 15, described air inlet pipe 20 is tightly connected through the input of heat exchange case 15 with spiral heat-exchange tube 17, described gas discharge pipe 13 is tightly connected through the outer wall of heat exchange case 15 and the output of spiral heat-exchange tube 17, the arrival end of described discharging of waste liquid pipe 19 is communicated with the bottom of spiral heat-exchange tube 17 through the diapire of heat exchange case 15, described waterworks 9, blow-off pipe 12, outlet pipe 14, water inlet pipe 18 and discharging of waste liquid pipe 19 are equipped with stop valve 11.
When the present invention uses, described combustion chamber 3 major part in described condensing heat exchanger 2 is immersed in water, flame in burner 1 and flue gas enter combustion chamber from lower end, combustion chamber 3 connecting pipe, fire smoke gases is in combustion chamber 3 inside turn, by combustion chamber 3 sidewall heat passed to the water in condensing heat exchanger 2, then flue gas enters condensing heat-exchange space from smoke tube 6, after shunting the water smoke heat exchange after being atomized with waterworks, flue gas enters the air inlet pipe 20 on heat exchange case 15 by residual heat flue 11, drain in spiral heat-exchange tube 17, inlet valve on water inlet pipe 18 is opened to water filling in heat exchange case 15 when the numerical value of temperature display watch 16 is higher, by the cold water injected in heat exchange case 15, the gas in spiral heat-exchange tube 17 is lowered the temperature again, make the gas liquefaction in spiral heat-exchange tube 17, produce waste liquid, waste liquid flow in discharging of waste liquid pipe 19 by spiral heat-exchange tube 17, flue gas after cooling is discharged by gas discharge pipe 13, water at low temperature after heat exchange can be delivered in condensing heat exchanger 2 by waterworks 9 as preheating water, so follow the bad waste heat flue gas recycling boiler.
Below only describe the present invention with embodiment, but the present invention is not limited to above-mentioned size and outward appearance illustration, more should form any restriction of the present invention.As long as any improvement do the present invention or modification all belong within the protection domain of the claims in the present invention opinion.
Claims (5)
1. a condensing boiler and water preheating device thereof, comprise burner (1), condensing heat exchanger (2), combustion chamber (3), remaining cigarette flue (8) and water preheating device, it is characterized in that: combustion chamber (3) is set in described condensing heat exchanger (2) housing, described combustion chamber (3) lower end is provided with a connecting pipe and passes condensing heat exchanger (2) housing and be connected with burner (1), the top barrel of described combustion chamber (3) is provided with multiple equally distributed smoke tube (5), the port of the smoke outlet of described smoke tube (5) down, described condensing heat exchanger (2) top is provided with the exhaust opening be connected with residual heat flue (8), condensation dehydration device (7) is provided with between described exhaust opening and combustion chamber (3), waterworks (9) are provided with between described combustion chamber (3) and condensation dehydration device (7), described waterworks (9) mouth of pipe connects to water shunting atomizer (6), the barrel of described condensing heat exchanger (2) water space capacity is arranged hot water outlet (4), the bottom of described condensing heat exchanger (2) arranges blow-off pipe (12), described water preheating device comprises gas discharge pipe (13), outlet pipe (14), heat exchange case (15), spiral heat-exchange tube (17), water inlet pipe (18), discharging of waste liquid pipe (19) and air inlet pipe (20), described spiral heat-exchange tube (17) is arranged in heat exchange case (15), described water inlet pipe (18) and heat exchange case (15) are tightly connected, described outlet pipe (14) and heat exchange case (15) are tightly connected, described air inlet pipe (20) is tightly connected through the input of heat exchange case (15) with spiral heat-exchange tube (17), described gas discharge pipe (13) is tightly connected through the outer wall of heat exchange case (15) and the output of spiral heat-exchange tube (17), the arrival end of described discharging of waste liquid pipe (19) is communicated with the bottom of spiral heat-exchange tube (17) through the diapire of heat exchange case (15).
2. condensing boiler according to claim 1 and water preheating device thereof, is characterized in that: described condensation dehydration device (7) is provided with more than two.
3. condensing boiler according to claim 1 and water preheating device thereof, is characterized in that: described condensing heat exchanger (2) is arranged water-level gauge (10).
4. condensing boiler according to claim 1 and water preheating device thereof, is characterized in that: the vertical circular body that described heat exchange case (15) is closed at both ends.
5. the condensing boiler according to claim 1 or 4 and water preheating device thereof, is characterized in that: described heat exchange case (15) is provided with temperature display watch (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628258.6A CN104390357A (en) | 2014-11-07 | 2014-11-07 | Condensation boiler and water preheating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628258.6A CN104390357A (en) | 2014-11-07 | 2014-11-07 | Condensation boiler and water preheating device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104390357A true CN104390357A (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410628258.6A Pending CN104390357A (en) | 2014-11-07 | 2014-11-07 | Condensation boiler and water preheating device thereof |
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| Country | Link |
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| CN (1) | CN104390357A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848517A (en) * | 2015-04-17 | 2015-08-19 | 中国科学院工程热物理研究所 | Heat exchanger and energy-saving gas water heater provided with same |
| CN107036143A (en) * | 2017-04-27 | 2017-08-11 | 博瑞特热能设备股份有限公司 | Two-way Cycle hot-water boiler heating system |
| CN107120826A (en) * | 2017-06-16 | 2017-09-01 | 大连恒通和科技有限公司 | Module pneumoelectric alliance hot-water heating system |
| CN112023854A (en) * | 2020-08-27 | 2020-12-04 | 湖南洋韬材料科技有限公司 | Organic synthesis reaction device |
-
2014
- 2014-11-07 CN CN201410628258.6A patent/CN104390357A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848517A (en) * | 2015-04-17 | 2015-08-19 | 中国科学院工程热物理研究所 | Heat exchanger and energy-saving gas water heater provided with same |
| CN104848517B (en) * | 2015-04-17 | 2017-11-21 | 中国科学院工程热物理研究所 | A kind of heat exchanger and use its energy saving gas burning water heater |
| CN107036143A (en) * | 2017-04-27 | 2017-08-11 | 博瑞特热能设备股份有限公司 | Two-way Cycle hot-water boiler heating system |
| CN107120826A (en) * | 2017-06-16 | 2017-09-01 | 大连恒通和科技有限公司 | Module pneumoelectric alliance hot-water heating system |
| CN112023854A (en) * | 2020-08-27 | 2020-12-04 | 湖南洋韬材料科技有限公司 | Organic synthesis reaction device |
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Application publication date: 20150304 |
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| WD01 | Invention patent application deemed withdrawn after publication |