CN205579981U - Condensing boiler - Google Patents
Condensing boiler Download PDFInfo
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- CN205579981U CN205579981U CN201620282001.4U CN201620282001U CN205579981U CN 205579981 U CN205579981 U CN 205579981U CN 201620282001 U CN201620282001 U CN 201620282001U CN 205579981 U CN205579981 U CN 205579981U
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- boiler
- condensing
- water
- flue gas
- combustor
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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 provides a condensing boiler, including combustor, combustion chamber, condensation heat transfer tube body and interior outer circulation system, the combustion chamber is arranged in in the condensation heat transfer tube body, the connecting tube of this combustion chamber lateral wall is worn out condensation heat transfer tube body is used for being connected with the combustor, be connected with flue gas water conservancy diversion return bend on the top section of thick bamboo wall of combustion chamber, the play cigarette port of this flue gas water conservancy diversion return bend is offered towards the below, flue gas water conservancy diversion return bend top sets up the interior circulating spray device of boiler, feedwater spray set and preheating of air system. Internal circulation system be with pot water forced circulation to the interior circulating spray device of combustion chamber top in, strengthen a pot water inner loop, better absorption heat. The utility model discloses a special combustor arrangement form, flue gas water conservancy diversion return bend, spray set, the defogging preheats and interior outer circulation system, makes the installation operation more convenient, can high -efficiently carry out the direct contact heat transfer with high temperature flue gas and boiler feed water, can fully reduce exhaust gas temperature, improvement boiler efficiency.
Description
Technical field
The present invention relates to condensing boiler technical field, it is provided that a kind of the burn high-temperature flue gas after fully and boiler low-temperature feedwater carry out the condensing boiler of direct contact heat transfer.
Background technology
The purpose of condensing boiler is to reduce boiler export exhaust gas temperature, the latent heat of vaporization of release steam, improves boiler thermal output, the discharge of pollutant in overall reduction flue gas.The measure taked is to allow the clean high-temperature flue gas of burning be fully contacted with boiler feedwater in boiler, quickly reduce heat smoke temperature, steam temperature in flue gas is reduced to below dew point, fully reduce and enter the content of steam in flue gas, fully absorb the latent heat of vaporization of steam, pollutant are neutralized in improving boiler thermal output, stove.But, prior art realizes the device of these measures, it is complicated or be disposed with the problem that defect, operational effect are the best to there is structure in it, boiler erection and operation in reality is implemented is made to run inconvenience, exhaust gas temperature still can not substantially reduce, in addition the exhaust opening of condensing boiler emits white cigarette and takes away more heat transfer, affects heating effect.
Summary of the invention
It is an object of the invention to improve the deficiencies in the prior art, make combustor level be arranged on condensing boiler, facilitate the installation of burner, overhaul, run；There is provided one that high-temperature flue gas and boiler feedwater can be allowed to carry out direct contact heat transfer, it is possible to effectively to reduce exhaust gas temperature, the high-efficiency cleaning condensing boiler of purifying smoke pollutant emission.
Further aim of the present invention is to provide one can make pot water forced circulation in this condensing boiler, boiler embedded pan water circulation system, it is ensured that boiler leaving water temperature is in scope of design.
Further aim of the present invention is to provide one can reduce exhaust gas temperature, and high-efficiency condensation separates and steam in coagulation boiler exiting flue gas, the latent heat of vaporization of absorption condensation steam, makes the condensing boiler of condensation water recovery and use.
The object of the present invention is achieved like this:
A kind of condensing boiler, including cannular combustion chamber, horizontally disposed burner, condensing heat-exchange cylinder and internal circulation system, water supply system, dehydration device, air preheater, support means and boiler matching valve pipeline instrument etc..Described combustor is placed in described condensing heat-exchange cylinder, and this sidewall of combustion chamber is provided with connection pipeline, and this connection pipeline passes described condensing heat-exchange drum and is connected with burner；The top barrel of described combustor is provided with outlet flue, connects flue gas flow guiding bend pipe on this outlet flue, and the smoke port of this flue gas flow guiding bend pipe is offered downward；It is provided with exhaust opening at described condensing heat-exchange drum top；It is condensing heat-exchange space between boiler water bit line and described condensing heat exchanger top air preheater in described condensing heat-exchange drum, above this condensing heat-exchange space, is respectively provided with inner loop pipeline spray equipment, supply line spray equipment；It is provided above condensation dehydration device and air preheater at described waterworks；Being connected with internal circulation system pipeline below condensing heat-exchange cylinder, the other end of internal circulation system pipeline is arranged on the spray equipment above combustor, and water circulating pump in arranging on internal circulation system pipeline.
Further, at the horizontally disposed burner in described combustor side, burner, through the pipeline combustor and condensing heat-exchange drum, is connected in condensing boiler combustion port, make boiler erection, overhaul, operate operation more convenient.
Further, offer some described flue gas flow guiding bend pipes in border, described cannular combustion chamber upper end, and border is evenly arranged.One end of described flue gas flow guiding bend pipe is connected with combustor exit flue gas, its other end extends and forms exhanst gas outlet, this smoke outlet is offered downward, make the combustor high-temperature flue gas out directly can be with pot water and shower water contact heat-exchanging, good effect of heat exchange, simple in construction, manufacturing cost declines to a great extent.
Further, described internal circulation system is made up of pipe-line system and spray equipment, internal circulation system be force by pot water boiler internal according to set circulating ratio circulation heat absorption.Guarantee boiler water temperature fast lifting by this system, accelerate boiler and open stove speed, it is ensured that pot coolant-temperature gage scalable, reduce combustor heat transfer area, improve the reliability of boiler water outlet parameter.
Further, described waterworks include that feed pipe, water knockout drum, titting water outlet and nozzle, described water knockout drum are an annular conduit, offer to water hole on the sidewall of this annular conduit, nozzle should be connected to being connected to outlet pipe on water hole on this outlet pipe at each.This waterworks simple in construction, feedwater flow regulation scope is wide, and feedwater Quick uniform is arranged in boiler barrel, it is simple to pot water fast endothermic.
Further, described dehydration device is arranged in above waterworks, imports and exports position at air preheater and is respectively arranged.Condensation net filtration flue gas on described condensation dehydration device, allows the water condensed in flue gas converge rapidly and drips.Then the bottom, the condensing heat-exchange space condensed water condensed out being incorporated in condensing boiler；
Further, air preheater is set between described each group of condensation dehydration device, while making the cold air of burning be fully warmed-up, by the further condensing heat-exchange of heat smoke after burning, reduces flue-gas temperature, the steam coagulation Cheng Shui in flue gas.
The condensing boiler that the present invention provides, by arranging special arrangement of burner, combustor, flue gas flow guiding bend pipe, internal circulation system, waterworks, air preheater and condensation dehydration device, sufficiently high-temperature flue gas and boiler feedwater can be carried out direct contact heat transfer, can be effectively improved heat transfer efficiency, reduce smoke evacuation temperature, ensure boiler export fluid properties, reduce boiler manufacture cost, facilitate boiler erection maintenance and run.This condensing boiler have safe, energy-conservation, reduce discharging, the advantage such as volume is little, automatically control, the thermal efficiency high, cleaning discharge.Can be the enterprises and institutions such as heating, industry, bathing, it is provided that hot water reliably.
Accompanying drawing explanation
The structural representation of the condensing boiler that Fig. 1 provides for the present invention.
In Figure of description, each guide number refers to the parts title of boiler respectively: 1. burner 2. cannular combustion chamber 3. condensing heat-exchange drum 4. inner loop pipeline 5. flue gas flow guiding bend pipe 6. waterworks 7. condensation dehydration device 8. air preheater 9. hot air outlet 10. exhaust opening 11. inlet of cold air 12. boiler outlet 13. water-level gauge 14. combustor supports device 15. sewage draining exit 16. boiler supports device
Detailed description of the invention
As it is shown in figure 1, the vertical condensation boiler that the present invention provides.Including horizontally disposed burner 1, cannular combustion chamber 2 and condensing heat-exchange drum 3, described cannular combustion chamber 2 is placed in described condensing heat-exchange cylinder 3 housing, and this cannular combustion chamber 2 sidewall connects pipeline, and this connection pipeline passes described condensing heat-exchange cylinder 3 housing for being connected with burner 1；The top barrel of described cannular combustion chamber 2 is provided with outlet flue, connects flue gas flow guiding bend pipe 5 on this outlet flue；It is provided with exhaust opening 10 in described condensing heat-exchange cylinder 3 top center, two-stage or multi-stage condensing dehydration device 7 is set between exhaust opening lower portion and combustor, tubular air preheater 8 is set between condensation dehydration devices at different levels；
Waterworks 6 are set between this condensing heat-exchange cylinder 3 and condensation dehydration device 7, the effluent pipe mouth of these waterworks connects nebulizer；The barrel of condensing heat-exchange cylinder 3 water space capacity arranges hot water outlet 12.
Sewage draining exit is set in the bottom of condensing heat-exchange cylinder 3, it is connected to sewage draining exit 15.
Condensing heat exchanger 3 also sets up water-level gauge 13, ordinary water level and high water level and low water level mark are set on it, each height of water level position corresponding can arrange position sensor and connect control device, adjust keying and the open degree of each respective valves by controlling device.
As it is shown in figure 1, the port of the smoke outlet of this flue gas flow guiding bend pipe 5 is offered downward.
As it is shown in figure 1, internal circulation system 4 is arranged between condensing heat-exchange space and pot water.
During use, described cannular combustion chamber 2 part in described condensing heat-exchange cylinder 3 is immersed in water, flame and flue gas in burner 1 connect pipeline from sidewall and enter cannular combustion chamber 2, heat in cannular combustion chamber 2 inside turn, is passed to the working medium in condensing heat-exchange cylinder 3 by cannular combustion chamber 2 sidewall by flame and flue gas.The fully high-temperature flue gas after burning enters condensing heat-exchange space from flue gas flow guiding bend pipe 5, the water smoke after being atomized with waterworks 6 shunting and the water smoke heat exchange after the spray of internal circulation system 4.Finally, flue gas discharges condensing boiler by exhaust opening 10.Described condensing heat-exchange cylinder 3 lower sidewalls leads to internal circulation system, pot water is squeezed into another above cannular combustion chamber in water atomization plant by the water circulating pump on inner loop pipeline, it is achieved pot water circulation heat absorption.
The major advantage of this condensation heat homogeneous solution-type reactor is as follows:
1. the thermal efficiency is high, saves fuel.It is provided with flue gas condensing and reclaims the condensing boiler of latent heat of vaporization system, reduce exhaust gas temperature, improve boiler thermal output；
2. low cost of manufacture, fabrication cycle is short.Special waterworks and internal circulation system, decrease Boiler Metallic heat exchange area, reduce boiler manufacture cost, shorten the manufacturing cycle.
3. flue gas cleaning discharge.The condensing boiler that the present invention provides, owing to using low nitrogen efficient burning technology and flue gas and feedwater to be fully contacted heat exchange, is effectively controlled to the pollutant of airborne release.
4. volume is little, saves space and invests.The condensing boiler of present invention design is high due to its thermal efficiency, reaches same hot water supply, and its volume is greatly reduced, so its occupied ground is few.May be installed in basement, roof and floor, save the investment building boiler room.
The most durable, the life-span is long.The present invention is cigarette, water direct heat-exchange equipment, all parts simple in construction, and easy to use, without explosion danger, service life is long.
6. boiler combustion runs and can realize Automated condtrol.
7. boiler erection maintenance is simple, it is easy to operate to run.The combustor level of boiler of the present invention is connected on the sidewall of boiler lower end, guarantees the combustion space of abundance simultaneously, meets the structural condition of high efficiency boiler low nitrogen burning.
Claims (8)
1. a condensing boiler, it is characterized in that: include a combustor, condensing heat-exchange drum, internal circulation system, water supply system, dehydration device, air preheater and exhaust opening, support means and boiler matching valve pipeline instrument, described combustor is placed in described condensing heat-exchange cylinder, this sidewall of combustion chamber is provided with connection pipeline, and this connection pipeline passes described condensing heat-exchange drum and is connected with burner；The top barrel of described combustor is provided with outlet flue, connects flue gas flow guiding bend pipe on this outlet flue, and the smoke port of this flue gas flow guiding bend pipe is offered downward；It is provided with exhaust opening at described condensing heat-exchange drum top；It is condensing heat-exchange space between boiler water bit line and described condensing heat exchanger top air preheater in described condensing heat-exchange drum, above this condensing heat-exchange space, is respectively provided with inner loop pipeline spray equipment, supply line spray equipment；It is provided above condensation dehydration device and air preheater at described waterworks；Being connected with internal circulation system pipeline below condensing heat-exchange cylinder, the other end of internal circulation system pipeline is arranged on the spray equipment above combustor, and water circulating pump in arranging on internal circulation system pipeline.
Condensing boiler the most according to claim 1, it is characterized in that: at the horizontally disposed burner in described combustor side, burner, through the pipeline combustor and condensing heat-exchange drum, is arranged on condensing boiler, make boiler erection, overhaul, operate operation more convenient.
Condensing boiler the most according to claim 1, it is characterised in that: above described combustor, some described outlet flues are offered in border, and connect flue gas flow guiding bend pipe on each outlet flue, and flow guiding bend pipe outlet is downwards.
Condensing boiler the most according to claim 1, it is characterized in that: described condensing boiler is provided with a pot water internal circulation system, this internal circulation system is made up of pipe-line system and spray equipment, be force by pot water boiler internal according to set circulating ratio circulation heat absorption.
Condensing boiler the most according to claim 1, it is characterized in that: described waterworks include feed pipe, water knockout drum, outlet pipe and nozzle, described water knockout drum is an annular conduit, this water pipe is offered to water hole, nozzle should be connected to being connected to outlet pipe on water hole on this outlet pipe at each.
Condensing boiler the most according to claim 1, it is characterised in that: at boiler water-feeding device air preheater arranged above.
Condensing boiler the most according to claim 1, it is characterised in that: in air preheater smoke entrance location arrangements list group or organize defecator more.
Condensing boiler the most according to claim 1, it is characterised in that: for condensing boiler, automation control system is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282001.4U CN205579981U (en) | 2016-04-07 | 2016-04-07 | Condensing boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282001.4U CN205579981U (en) | 2016-04-07 | 2016-04-07 | Condensing boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205579981U true CN205579981U (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620282001.4U Active CN205579981U (en) | 2016-04-07 | 2016-04-07 | Condensing boiler |
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| CN (1) | CN205579981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757983A (en) * | 2016-04-07 | 2016-07-13 | 徐进廷 | Condensing boiler |
| CN106568191A (en) * | 2016-10-18 | 2017-04-19 | 温涛 | Ordinary-pressure direct-heating boiler integrating opening type heat exchanger and filled tower |
| CN107036282A (en) * | 2017-05-17 | 2017-08-11 | 无锡中正锅炉有限公司 | A kind of high-efficiency energy-saving gas-fired boiler for having a high temperature Water circulation |
-
2016
- 2016-04-07 CN CN201620282001.4U patent/CN205579981U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757983A (en) * | 2016-04-07 | 2016-07-13 | 徐进廷 | Condensing boiler |
| CN106568191A (en) * | 2016-10-18 | 2017-04-19 | 温涛 | Ordinary-pressure direct-heating boiler integrating opening type heat exchanger and filled tower |
| CN107036282A (en) * | 2017-05-17 | 2017-08-11 | 无锡中正锅炉有限公司 | A kind of high-efficiency energy-saving gas-fired boiler for having a high temperature Water circulation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |