CN105698379A - Energy-saving gas-fired boiler - Google Patents
Energy-saving gas-fired boiler Download PDFInfo
- Publication number
- CN105698379A CN105698379A CN201610133904.0A CN201610133904A CN105698379A CN 105698379 A CN105698379 A CN 105698379A CN 201610133904 A CN201610133904 A CN 201610133904A CN 105698379 A CN105698379 A CN 105698379A
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- Prior art keywords
- heat pipe
- energy
- burner
- group
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/34—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side
- F24H1/36—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side the water chamber including one or more fire tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention relates to an energy-saving gas-fired boiler capable of effectively solving the problems that according to an existing boiler, energy is greatly wasted, the environment is seriously polluted, the heating efficiency is low, and safety is not achieved. According to the technical scheme for solving the problems, the energy-saving gas-fired boiler comprises a boiler body, a heating body, combustors and a flue. The heating body is arranged at the lowest water level position in the boiler body and composed of a plurality of sets of heating pipes. One ends of the set of forward heating pipes A at the bottommost parts are connected with one set of combustors corresponding to the pipes, the other ends of the set of forward heating pipes A at the bottommost parts are connected with the set of reverse heating pipes B, the tail ends of the reverse heating pipes B are then connected with the second set of forward heating pipes C, the tail ends of the heating pipes C communicate with the flue, and the heating pipes A, the heating pipes B and the heating pipes C are sequentially and evenly arranged from bottom to top and are distributed in a sector shape. According to the energy-saving gas-fired boiler, the heat efficiency of the boiler is improved, energy is saved, dirt discharge is reduced, the environment is protected, the cost is reduced, and the energy-saving gas-fired boiler is an innovation on gas-fired boilers.
Description
Technical field
The present invention relates to boiler, particularly a kind of energy-saving gas boiler。
Background technology
Now widely used gas fired-boiler has two big defects。One is that combustor outlet temperature used is not high, all below 1,000 degree, burns insufficient, and heat conduction efficiency is low, and serious environment pollution is greatly gone back in energy waste, and the unsafe factor existed is also abnormally dangerous！This enclosed burning structure and big furnace, fire if not scavenging is likely to generation be not all in igniting again because of fuel gas buring before, or because air-fuel ratio adjustment is improper, will also result in when being shifted gears to high gear by low gear and fire the co(carbon monoxide when in air) more than 0.0024/100 time harm is very big, and current this gas fired-boiler is when debugging air-fuel ratio, firing to not cause boiler to produce when low gear is shifted gears to high gear, the emission request to co is 1/100。Four or five hundred times！Severe contamination air！Producing the condition that fires is cH4(natural gas) aerial content is more than 5 ~ I5/100。This illustrates that during combustor normal operation, the burning of combustion gas is very insufficient, and the unburnt combustion gas of this part is expelled directly out flue, causes serious waste and environmental pollution！Unburnt combustion gas remains in furnace, when regnition can produce to fire, so must strict implement rule of operation (scavenging)！Etc. be respectively formed great potential safety hazard, it is necessary to improved。
Another problem is the significant deficiency of principle of heating。Because the diameter of calandria (furnace) is excessive, upper and lower non-uniform temperature, it is necessary to the furnace bottom of high temperature temperature on the contrary is minimum, seriously hinder the convection circulation heating of water, make the efficiency of heating surface have a greatly reduced quality。And furnace short greatly reduces again the efficiency of thermal radiation and conduction of heat。It addition, the pipeline of heat energy utilization is also all in a high position, very unreasonable, cause the significant wastage of the energy。Therefore, the improvement of gas fired-boiler and innovation are the problems needing solution at present badly。
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the purpose of the present invention is just to provide a kind of energy-saving gas boiler, can effectively solve the waste of existing boiler energy and greatly go back serious environment pollution, efficiency of heating surface problem low, unsafe。
The technical scheme that this invention address that is, including body of heater, calandria, burner and flue, calandria is placed in the lowest water level place of furnace interior, added heat pipe by some groups to form, the one group of burner adding heat pipe A one end corresponding with each pipe of one group of forward of bottommost is connected, heat energy is provided by burner, one group of the other end and back adds heat pipe B and is connected, what the tail end adding heat pipe B of back connected second group of forward again adds heat pipe C, the tail end adding heat pipe C is connected with flue, add heat pipe A, add heat pipe B, add heat pipe C evenly distributed successively from the bottom to top and in sector distribution。
Namely the present invention improves the thermal efficiency of boiler, has saved the energy and has decreased again blowdown, has protected environmental protection border。In turn simplify the structure of boiler and technique simultaneously, saved raw material, reduce cost, improve safety and reliability, make Energy Efficiency Ratio increase substantially, be the innovation on gas fired-boiler。
Accompanying drawing explanation
Fig. 1 is the structure top view of the present invention。
Fig. 2 is the cross sectional side view of the present invention。
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail。
Provided by Fig. 1-2, the present invention includes body of heater, calandria, burner and flue, calandria is placed in the lowest water level place within body of heater 1, added heat pipe by some groups to form, the one group of burner 4 adding heat pipe A6 one end corresponding with each pipe of one group of forward of bottommost is connected, heat energy is provided by burner 4, one group of the other end and back adds heat pipe B7 and is connected, what the tail end adding heat pipe B7 of back connected second group of forward again adds heat pipe C8, the tail end adding heat pipe C8 is connected with flue 3, add heat pipe A6, add heat pipe B7, add heat pipe C8 evenly distributed successively from the bottom to top and in sector distribution。
In order to ensure result of use, it is that an arrangement is put, one group to add heat pipe B7 be that two arrangements are put, one group to add heat pipe C8 be that three arrangements are put, and is all arranged to arc, overall in sector distribution that described one group adds heat pipe A6。
Each group of described forward adds heat pipe and back adds and is provided with sealing lid between heat pipe；Often group adds heat pipe A6, adds and be provided with the first sealing lid between heat pipe B7, and often group adds heat pipe B7, adds and be provided with the second sealing lid between heat pipe C8。
One group of described bottommost adds heat pipe A6 and is provided with secondary air inlet 2 in the one end equipped with burner 4。
Described a kind of novel burner that burner 4 is patent No. zL201320622694.3, specifically: include burner body and Gas Pipe, burner body is the ducted body of both ends open, the inside of burner body is separated into and is sequentially connected logical inlet zone by the first next door and the second next door in burner body, oxygenating chamber and combustor, inlet zone is connected equipped with in it, and stretch out the inlet zone blast pipe of burner body one end, it is set with Gas Pipe in inlet zone blast pipe, inlet zone blast pipe there is lighting-up tuyere, the gas outlet of Gas Pipe is placed in below lighting-up tuyere, constitute oxygenating district air inlet in burner body one end between inlet zone blast pipe outer wall and the second next door, the first air intake passage that oxygenating district air inlet is formed between the first next door and the second next door is connected with oxygenating chamber, constitute combustor air inlet in burner body one end between second next door and burner body inwall, the second air intake passage that combustor air inlet is formed between the second next door and burner body inwall and combustion chamber；For the application before present inventor。
The service condition of the present invention is, one, calandria is added heat pipe (quantity is determined by body of heater size or power demand) by several and forms, add heat pipe and be positioned at the bottommost of boiler water, therefore heat pipe is added maximum with the temperature difference of water, water is also maximum to the pressure adding heat pipe, also the highest with the heat conduction efficiency of the temperature difference and pressure correlation。Heated water is also maximum with the density contrast of surrounding cold water simultaneously, and the buoyancy therefore produced is also maximum, and the speed of this part of liter waterborne is also just the fastest, and namely the convection velocity of water is the fastest, and therefore the heat exchanger effectiveness relevant with flow velocity also increase substantially。
Add heat pipe and be positioned at boiler bottommost, current are made to form two eddy flows, in Fig. 1 shown in ring-like arrow, now resistance to water-flow minimum (the big furnace relative to currently used), the centrifugal force of atwirl current and generation increases water and the relative velocity adding between heat pipe and pressure, further increases heat conduction efficiency。
Two, combustor exit temperature used is far above general burner。The big temperature difference significantly improves heat conduction efficiency。Because each flame only has flame core temperature the highest, the many flame of multi-heating-pipe is adopted just to improve the utilization rate to flame high-temperature region, simultaneously because adding heat pipe directly through little (about 10 centimeters), thermal radiation and heat conduction efficiency also increase substantially, and the heat pipe that adds growing round structure thin again not only increases heating surface (area) (HS, high temperature, high pressure flame diffusion rapidly in adding heat pipe and the flowing of very fast mixed dynamic formula, not only make to add the upper and lower homogeneous temperature of heat pipe, combustion gas is mixed homogeneously with air, efficiency of combustion improves, the heat exchanger effectiveness that the high temperature gas flow of very fast flowing also substantially increases and adds between heat pipe wall simultaneously。
Three, this arrangement eliminates the big furnace of complex process, and structure complexity installs that maintenance difficulties is big and expensive combustor, greatly reduces cost and improves safety coefficient and reliability。Novel combustion engine is by low-cost high-temperature, at a high speed, efficiently, energy-conservation, and (this is a kind of novel burner being different from conventional combustion manner to the burner of safety。The patent No. is: zL201320622694.3。It maximum excellent be that outlet flame temperature is high, up to more than 1500 DEG C (what provide in patent specification is lower limit temperature), flame flow velocity fast (relevant to gaseous-pressure and blower pressure, adjustable。) it is not afraid of blowing-out。Air-fuel ratio is had automatic regulation function, output continuously adjustabe。Sufficient combustion, energy-conserving and environment-protective。Outside supporting also very simple, cost is low, safety, and reliability is high, and cost performance is high。Additionally mounted easily, operation facility, the skill set requirements of operation and maintenance personnel is not high yet, it is simple to popularization and application。
The present invention overcomes the significant deficiency of current gas furnace from two above aspect, has been truly realized the scientific utilization energy, namely improves the thermal efficiency of boiler, has saved the energy and has decreased again blowdown, has protected environmental protection border。In turn simplify the structure of boiler and technique simultaneously, saved raw material, reduce cost, improve safety and reliability, make Energy Efficiency Ratio increase substantially。
The flame burner more than one group that energy-saving gas boiler of the present invention uses, each flame export temperature all can reach more than 1500 DEG C, makes the efficiency of heating surface increase substantially。The fully burning adding the open heat-supplying mode (secondary air inlet as shown in Figure 2) of heat pipe and flame is not only eliminated potential safety hazard and also a saving the energy, decrease blowdown, protect environment。
Boiler of the present invention has considered the various factors relevant to the efficiency of heating surface on principle of heating, such as heating surface (area) (HS, temperature, the temperature difference, convection current, thermal resistance, flow velocity, pressure, thermal radiation etc., make heat energy make full use of, greatly improve heat utilization rate and save the energy, result of use is good, is the innovation on gas fired-boiler, has good economic and social benefit。
Claims (5)
1. an energy-saving gas boiler, including body of heater, calandria, burner and flue, it is characterized in that, calandria is placed in the lowest water level place that body of heater (1) is internal, added heat pipe by some groups to form, the one group of burner (4) adding heat pipe A (6) one end corresponding with each pipe of one group of forward of bottommost is connected, heat energy is provided by burner (4), one group of the other end and back adds heat pipe B (7) and is connected, what the tail end adding heat pipe B (7) of back connected second group of forward again adds heat pipe C (8), the tail end adding heat pipe C (8) is connected with flue (3), add heat pipe A (6), add heat pipe B (7), add heat pipe C (8) evenly distributed successively from the bottom to top and in sector distribution。
2. energy-saving gas boiler according to claim 1, it is characterized in that, described one group add heat pipe A be an arrangement put, one group add heat pipe B (7) put in two arrangements, one group add heat pipe C (8) and put in three arrangements, be all arranged to arc, overall in sector distribution。
3. energy-saving gas boiler according to claim 1, it is characterised in that each group of described forward adds heat pipe and back adds and is provided with sealing lid between heat pipe；Often group adds heat pipe A (6), adds and be provided with the first sealing lid (5a) between heat pipe B (7), and often group adds heat pipe B (7), adds and be provided with the second sealing lid (5b) between heat pipe C (8)。
4. energy-saving gas boiler according to claim 1, it is characterised in that a group of described bottommost adds heat pipe A (6) and is provided with secondary air inlet (2) in the one end equipped with burner 4。
5. energy-saving gas boiler according to claim 1, it is characterized in that, a kind of novel burner that described burner (4) is patent No. zL201320622694.3, specifically: include burner body and Gas Pipe, burner body is the ducted body of both ends open, the inside of burner body is separated into and is sequentially connected logical inlet zone by the first next door and the second next door in burner body, oxygenating chamber and combustor, inlet zone is connected equipped with in it, and stretch out the inlet zone blast pipe of burner body one end, it is set with Gas Pipe in inlet zone blast pipe, inlet zone blast pipe there is lighting-up tuyere, the gas outlet of Gas Pipe is placed in below lighting-up tuyere, constitute oxygenating district air inlet in burner body one end between inlet zone blast pipe outer wall and the second next door, the first air intake passage that oxygenating district air inlet is formed between the first next door and the second next door is connected with oxygenating chamber, constitute combustor air inlet in burner body one end between second next door and burner body inwall, the second air intake passage that combustor air inlet is formed between the second next door and burner body inwall and combustion chamber。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133904.0A CN105698379B (en) | 2016-03-10 | 2016-03-10 | A kind of energy-saving gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133904.0A CN105698379B (en) | 2016-03-10 | 2016-03-10 | A kind of energy-saving gas boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105698379A true CN105698379A (en) | 2016-06-22 |
| CN105698379B CN105698379B (en) | 2019-04-30 |
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ID=56220337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610133904.0A Expired - Fee Related CN105698379B (en) | 2016-03-10 | 2016-03-10 | A kind of energy-saving gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105698379B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153017Y (en) * | 1992-09-02 | 1994-01-12 | 王宏丁 | Horizontal boiler for heating water |
| CN2292215Y (en) * | 1996-10-25 | 1998-09-23 | 贺艺科 | No return combustion chamber oil (gas) burning boiler |
| CN103062746A (en) * | 2012-12-12 | 2013-04-24 | 杭州燃油锅炉有限公司 | Horizontal type pulverized coal boiler with single furnace pipe |
| KR20130118139A (en) * | 2012-04-19 | 2013-10-29 | (주)귀뚜라미 | Horizontal type boiler having upper hot water coil |
| CN203489270U (en) * | 2013-10-10 | 2014-03-19 | 卢江兵 | Novel combustor |
| CN205383773U (en) * | 2016-03-10 | 2016-07-13 | 魏宏斌 | Energy -conserving gas boiler |
-
2016
- 2016-03-10 CN CN201610133904.0A patent/CN105698379B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153017Y (en) * | 1992-09-02 | 1994-01-12 | 王宏丁 | Horizontal boiler for heating water |
| CN2292215Y (en) * | 1996-10-25 | 1998-09-23 | 贺艺科 | No return combustion chamber oil (gas) burning boiler |
| KR20130118139A (en) * | 2012-04-19 | 2013-10-29 | (주)귀뚜라미 | Horizontal type boiler having upper hot water coil |
| CN103062746A (en) * | 2012-12-12 | 2013-04-24 | 杭州燃油锅炉有限公司 | Horizontal type pulverized coal boiler with single furnace pipe |
| CN203489270U (en) * | 2013-10-10 | 2014-03-19 | 卢江兵 | Novel combustor |
| CN205383773U (en) * | 2016-03-10 | 2016-07-13 | 魏宏斌 | Energy -conserving gas boiler |
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| Publication number | Publication date |
|---|---|
| CN105698379B (en) | 2019-04-30 |
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| C10 | Entry into substantive examination | ||
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Granted publication date: 20190430 |