CN205383773U - Energy -conserving gas boiler - Google Patents
Energy -conserving gas boiler Download PDFInfo
- Publication number
- CN205383773U CN205383773U CN201620180681.9U CN201620180681U CN205383773U CN 205383773 U CN205383773 U CN 205383773U CN 201620180681 U CN201620180681 U CN 201620180681U CN 205383773 U CN205383773 U CN 205383773U
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- heat pipe
- pipe
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- energy
- burner
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Abstract
The utility model relates to an energy -conserving gas boiler can effectively solve extravagant severe contamination environment, low, the unsafe problem of heating efficiency of greatly going back of the current boiler energy, and the technical scheme of its solution is, the induction cooker comprises a cooker bod, the heating member, combustor and flue, the inside lowest water level department of furnace body is arranged in to the heating member, constitute by a plurality of groups heating pipe, a set of positive -going heating pipe A one end of bottommost is connected with the corresponding a set of combustor of every pipe, the other end with return to a set of heating pipe B be connected, return to heating pipe B's the positive -going heating pipe C of tail end reconnection second group, heating pipe C's tail end and flue are linked together, heating pipe A, heating pipe B, heating pipe C is by lower supreme align to grid in proper order and be fan -shaped distribution, the utility model discloses both having improved the thermal efficiency of boiler, and having practiced thrift the energy and reduced the blowdown again, and protected the environmental protection border, the cost is reduced is the innovation on the gas boiler.
Description
Technical field
This utility model 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 this utility model 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 utility model solves 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, 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, adds heat pipe A, adds heat pipe B, to add heat pipe C evenly distributed successively from the bottom to top and in sector distribution.
This utility model had both improve 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 structure top view of the present utility model.
Fig. 2 is cross sectional side view of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Provided by Fig. 1-2, this utility model 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, 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, adds heat pipe A6, adds heat pipe B7, to 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 5a between heat pipe B7, and often group adds heat pipe B7, adds and be provided with the second sealing lid 5b 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.
nullDescribed 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.
Service condition of the present utility model 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.
This utility model 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 this utility model energy-saving gas boiler 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.
This utility model boiler 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, one group of the other end and back adds heat pipe B (7) and is connected, what the tail end adding heat pipe B 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 (6) in one arrangement put, one group add heat pipe B (7) in two arrangement put, one group add heat pipe C (8) in three arrangement put, all it is 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.
null5. 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 |
|---|---|---|---|
| CN201620180681.9U CN205383773U (en) | 2016-03-10 | 2016-03-10 | Energy -conserving gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180681.9U CN205383773U (en) | 2016-03-10 | 2016-03-10 | Energy -conserving gas boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205383773U true CN205383773U (en) | 2016-07-13 |
Family
ID=56351274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620180681.9U Expired - Fee Related CN205383773U (en) | 2016-03-10 | 2016-03-10 | Energy -conserving gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205383773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698379A (en) * | 2016-03-10 | 2016-06-22 | 魏宏斌 | Energy-saving gas-fired boiler |
-
2016
- 2016-03-10 CN CN201620180681.9U patent/CN205383773U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698379A (en) * | 2016-03-10 | 2016-06-22 | 魏宏斌 | Energy-saving gas-fired boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20200310 |