CN103134179B - High-efficiency energy-saving boiler - Google Patents
High-efficiency energy-saving boiler Download PDFInfo
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- CN103134179B CN103134179B CN201310032720.1A CN201310032720A CN103134179B CN 103134179 B CN103134179 B CN 103134179B CN 201310032720 A CN201310032720 A CN 201310032720A CN 103134179 B CN103134179 B CN 103134179B
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- tube
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- boiler
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Abstract
The invention relates to a high-efficiency energy-saving boiler which comprises a boiler body, a heat exchange pipe and a boiler cavity. The heat-exchange pipe comprises a water supply pipe and smoke fire pipes. The plurality of smoke fire pipes are sleeved in the water supply pipe. One end of the heat exchange pipe is arranged on the ground, the other end of the heat exchange pipe is connected with the upper edge of a boiler casing, and the smoke fire pipes at the other end of the heat exchange pipe stretch into a boiler body to be connected with the boiler cavity. The boiler body is arranged on the boiler cavity located on the ground. The high-efficiency energy-saving boiler further comprises a fuel supply device and an air output device. The air output device is fixed at the top of the fuel supply device in matching mode. The high-efficiency energy-saving boiler enables carbon oxygen supply quantity to be sufficient and ensures complete combustion by adding the fuel supply device and the air output device.
Description
Technical field
The present invention relates to a kind of heating boiler, the energy-saving efficient boiler that particularly a kind of coal utilization rate is high, thermal conversion rate is high.
Background technology
Coal-burning boiler is the heat transmission equipment of life, production field extensive use, is that high-temperature flue gas by producing during coal combustion and water carry out heat exchange, to provide for the purpose of high-temperature steam or hot water.The shortcomings such as current coal-burning boiler ubiquity coal utilization rate is low, discharge smoke pollution is strong, accelerate the consumption of coal resources and the deterioration of environment.Trace it to its cause and be mainly:
First, air transport device cannot meet the demand to air in coal burning process; Because coal cannot Thorough combustion in burner hearth, portion of energy can not change into heat energy, and existing conventional processing method is the cross-sectional area reducing boiler, and required air during to meet coal burning, directly reduces the operating efficiency of boiler; Therefore, how solving air conveying is urgent problem;
Secondly, high-temperature flue gas is migration fast upwards, and with water layer contact area is little and the time is short, the heat energy in flue gas fails fully to be absorbed by water layer; Because the heat exchange of high-temperature flue gas and water by completing in smoke-fire-tube, smoke-fire-tube length is longer, and heat exchange is more abundant, but thermal losses is larger; Therefore, how effectively improving heat exchange is also urgent problem;
Again, high-temperature flue gas carries a large amount of remaining cigarette and is discharged by flue, causes air pollution; Due to high-temperature flue gas migration speed, the coal burning dust carried in high-temperature flue gas will be carried ejection, cause severe contamination to air;
Finally, in combustion, primary combustion cannot thoroughly by coal burning totally for coal, a large amount of dust rubbish can be produced, therefore need the process to fuel design second-time burning, thus while solving fuel combustion dust, Thorough combustion is carried out to fuel and improves fuel availability.
Summary of the invention
The technical problem to be solved in the present invention is the air conveying in coal burning process, and the area of high-temperature flue gas and water layer heat exchange, high-temperature flue gas carries the air pollution that dust causes, coal Thorough combustion.
For solving described problem, the open energy-saving efficient boiler of the present invention, comprises boiler body, heat exchanging pipe and burner hearth; Wherein, described boiler body comprises shell, inwall and heating tube, shell is that middle part has the cylinder of lighting-up tuyere, and inwall is that middle part is provided with a pot cylinder for shape structure, is socketed with shell concentric and pot shape structure is positioned at above lighting-up tuyere, is water tank between inwall and shell; Described heating tube is arranged at shell top, is connected with water tank; Described heat exchanging pipe comprises feed pipe and smoke-fire-tube, socket many smoke-fire-tubes in feed pipe; Mouth of delivering coal is had in the middle part of described burner hearth; Its annexation is: described heat exchanging pipe one end is arranged at ground, and the other end connects the upper limb of shell, and the smoke-fire-tube of the heat exchanging pipe other end stretches in boiler body and is connected with burner hearth; Described boiler body is arranged at and is positioned on the burner hearth on ground;
It is characterized in that: described energy-saving efficient boiler also comprises fuel supply system and air output device; Described fuel supply system comprises fuel supply pipe and motor; Described fuel supply pipe comprises outer tube and interior pipe, and outer tube extends forward and front end upwards bends in horn-like, and interior pipe socket is interior with outer tube, inwall arranges the impelling sheet before screw; Motor is connected with interior pipe; It is inner that described fuel supply pipe inserts burner hearth by mouth of delivering coal;
Described air output device comprises arcuation cooling outer tube, air inlet, ajutage and wind pushing hole, the first half of described arcuation cooling outer tube and air outlet is tightly connected, and having ajutage between arcuation cooling outer tube and the first half of air outlet, the top of described ajutage has wind pushing hole; The two ends of described arcuation cooling outer tube are connected with water tank respectively; Described air output device coupling is fixedly installed on the top of fuel supply pipe outer tube.
Preferably, described smoke-fire-tube surface is provided with the fin that steel disc is wound.
Preferably, the smoke-fire-tube in inwall is at least provided with a spiral structure.
Preferably, the connector of described smoke-fire-tube and burner hearth is arranged on the bottom of water tank.
By said structure, the present invention, by setting up fin, solves the area for cutting improving high-temperature flue gas and water layer heat exchange; By the connector of smoke-fire-tube and burner hearth being arranged on the bottom of water tank, a buffering area to high-temperature flue gas, the dust allowing high-temperature flue gas carry has the process of a sedimentation, effectively reduces the Dust Capacity that high-temperature flue gas carries; By setting up fuel supply system and air output device, make coal oxygen-supplying amount sufficient, thus Thorough combustion.
Detailed content of the present invention obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the amplification view of A point in Fig. 1;
Fig. 3 is the structural representation of smoke-fire-tube of the present invention;
Fig. 4 is the structural representation of fuel supply system of the present invention;
Fig. 5 is the sectional view of air output device of the present invention;
Fig. 6 is the top partial view diagram of air transport device;
In figure, 11-shell, 111-fire door, 12-inwall, 13-heating tube, 14-water tank, 21-feed pipe, 22-smoke-fire-tube, 23-fin, 3-burner hearth, 31-delivers coal mouth, 41-outer tube, pipe in 42,43-impelling sheet, 51-arcuation cooling outer tube, 52-ajutage, 53-wind pushing hole.
Detailed description of the invention
Be further described the specific embodiment of the present invention below in conjunction with drawings and Examples, following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Embodiment 1.Energy-saving efficient boiler, comprises boiler body, heat exchanging pipe and burner hearth; Wherein, described boiler body comprises shell, inwall and heating tube, shell is that middle part has the cylinder of lighting-up tuyere, and inwall is that middle part is provided with a pot cylinder for shape structure, is socketed with shell concentric and pot shape structure is positioned at above lighting-up tuyere, is water tank between inwall and shell; Described heating tube is arranged at shell top, is connected with water tank; Described heat exchanging pipe comprises feed pipe and smoke-fire-tube, socket many smoke-fire-tubes in feed pipe; For two; Mouth of delivering coal is had in the middle part of described burner hearth; Its annexation is: described heat exchanging pipe one end is arranged at ground, and the other end connects the upper limb of shell, and the smoke-fire-tube of the heat exchanging pipe other end stretches in boiler body and is connected with burner hearth; Described boiler body is arranged at and is positioned on the burner hearth on ground;
Described energy-saving efficient boiler also comprises fuel supply system and air output device; Described fuel supply system comprises fuel supply pipe and motor; Described fuel supply pipe comprises outer tube and interior pipe, and outer tube extends forward and front end upwards bends in horn-like, and interior pipe socket is interior with outer tube, inwall arranges the impelling sheet before screw; Motor is connected with interior pipe; It is inner that described fuel supply pipe inserts burner hearth by mouth of delivering coal;
Described air output device comprises arcuation cooling outer tube, air inlet, ajutage and wind pushing hole, the first half of described arcuation cooling outer tube and air outlet is tightly connected, and having ajutage between arcuation cooling outer tube and the first half of air outlet, the top of described ajutage has wind pushing hole; The two ends of described arcuation cooling outer tube are connected with water tank respectively; Described air output device coupling is fixedly installed on the top of fuel supply pipe outer tube.
In the present embodiment, another problem of solution is when coal-fired area is larger, and air cannot be transported to coal-fired center, makes fire coal burn insufficient because oxygen-supplying amount is not enough, thus the problem causing utilization rate of coal low.
First, the coal-fired area of scientific expanding.Described fuel supply system uses pipe in driven by motor to rotate, and the impelling sheet coal supply one that inner tube wall is arranged pressure is forward pushed ahead after being compressed by coal, and the bending that coal runs into outer tube is upwards got into naturally.According to the speed of burning, set motor, steadily can supply the coal of burning according to the speed of burning.
Secondly, on the basis expanding coal-fired area, ensure air conveying.In the present embodiment, when wind is blown in burner hearth by air blast, wind is advanced along the circumference of burner hearth, and now, in the pipe of the ajutage of air output device, pipe outer air pressure changes, thus produces wind; Wind in ajutage upwards blows out along wind pushing hole, is directly supplied to the upper surface of fuel supply pipe, namely coal-fired burning surface.
Embodiment 2.As Figure 1-3, energy-saving efficient boiler, comprises boiler body, heat exchanging pipe and burner hearth; Wherein, described boiler body comprises shell 11, inwall 12 and heating tube 13, shell 11 has the cylinder of lighting-up tuyere for middle part, inwall 12 is provided with a pot cylinder for shape structure for middle part, is socketed and pot shape structure is positioned at above lighting-up tuyere with shell 11 concentric, is water tank 14 between inwall 12 and shell 11; Described heating tube 13 is arranged at shell 11 top, is connected with water tank 14; Described heat exchanging pipe comprises feed pipe 21 and smoke-fire-tube 22, socket many smoke-fire-tubes 22 in feed pipe 21; For two; Preferably, described smoke-fire-tube 22 surface is provided with the fin 23 that steel disc is wound; Mouth 31 of delivering coal is had in the middle part of described burner hearth 3; Its annexation is: described heat exchanging pipe one end is arranged at ground, and the other end connects the upper limb of shell 11, and the smoke-fire-tube 22 of the heat exchanging pipe other end stretches in boiler body and is connected with burner hearth 3; Preferably, the smoke-fire-tube 22 in inwall 12 is at least provided with a spiral structure; Again preferably, described smoke-fire-tube 22 and the connector of burner hearth 3 are arranged on the bottom of water tank; Described boiler body is arranged at and is positioned on the burner hearth 3 on ground.
, set up fin 23, the surface area of fin 23 is far longer than the surface area of smoke-fire-tube 22 in the present embodiment on the basis of existing technology, and the energy-saving efficient boiler thermal effect of the present embodiment is increased to 88.03%.
Preferably, the smoke-fire-tube 22 in inwall 12 is at least provided with a spiral structure; Again preferably, described smoke-fire-tube 22 and the connector of burner hearth 3 are arranged on the bottom of water tank;
In addition, the smoke-fire-tube 22 be in inwall 12 is provided with a spiral structure by the present embodiment, thus makes smoke-fire-tube add length in inwall, absorbs more heat;
Moreover, smoke-fire-tube 22 and the connector of burner hearth 3 have been arranged on the bottom surface of water tank by the present embodiment, the pan structure nature that the high-temperature flue gas that fired coal combustion produces upwards runs into inwall 12 separates to both sides, the dust carried in high-temperature flue gas has whereabouts in this process, therefore, when having arrived water tank bottom surface, high-temperature flue gas upwards runs naturally along smoke-fire-tube 22, and dust falls.
Embodiment 3.As shown in figures 1 to 6, the technical scheme that the present invention specifically implements is: energy-saving efficient boiler, comprises boiler body, heat exchanging pipe and burner hearth; Wherein, described boiler body comprises shell 11, inwall 12 and heating tube 13, shell 11 has the cylinder of lighting-up tuyere for middle part, inwall 12 is provided with a pot cylinder for shape structure for middle part, is socketed and pot shape structure is positioned at above lighting-up tuyere with shell 11 concentric, is water tank 14 between inwall 12 and shell 11; Described heating tube 13 is arranged at shell 11 top, is connected with water tank 14; Described heat exchanging pipe comprises feed pipe 21 and smoke-fire-tube 22, socket many smoke-fire-tubes 22 in feed pipe 21; For two; Preferably, described smoke-fire-tube 22 surface is provided with the fin 23 that steel disc is wound; Mouth 31 of delivering coal is had in the middle part of described burner hearth 3; Its annexation is: described heat exchanging pipe one end is arranged at ground, and the other end connects the upper limb of shell 11, and the smoke-fire-tube 22 of the heat exchanging pipe other end stretches in boiler body and is connected with burner hearth 3; Preferably, the smoke-fire-tube 22 in inwall 12 is at least provided with a spiral structure; Again preferably, described smoke-fire-tube 22 and the connector of burner hearth 3 are arranged on the bottom of water tank; Described boiler body is arranged at and is positioned on the burner hearth 3 on ground.Described energy-saving efficient boiler also comprises fuel supply system and air output device; Described fuel supply system comprises fuel supply pipe and motor; Described fuel supply pipe comprises outer tube 41 and interior pipe 42, and outer tube extends forward and front end upwards bends in horn-like, and interior pipe socket is interior with outer tube, inwall arranges the impelling sheet 43 before screw; Motor is connected with interior pipe 42; It is inner that described fuel supply pipe inserts burner hearth 3 by mouth 31 of delivering coal; Described air output device comprises arcuation cooling outer tube 51, air inlet, ajutage 52 and wind pushing hole 53, described arcuation cooling outer tube 51 is tightly connected with the first half of air outlet, and having ajutage 52 between arcuation cooling outer tube 51 and the first half of air outlet, the top of described ajutage 52 has wind pushing hole 53; The two ends of described arcuation cooling outer tube 51 are connected with water tank 14 respectively; Described air output device coupling is fixedly installed on the top of fuel supply pipe outer tube 41.
The advantage of the first two embodiment is brought together by the present embodiment, the energy-saving efficient boiler own fuel combustion degree employing fuel supply system and air output device is just very high, high-temperature flue gas almost carries less than dust, therefore solves the strong pollution of high-temperature flue gas.
The above is only preferred embodiments of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. energy-saving efficient boiler, comprises boiler body, heat exchanging pipe and burner hearth; Wherein, described boiler body comprises shell, inwall and heating tube, shell is that middle part has the cylinder of lighting-up tuyere, and inwall is that middle part is provided with a pot cylinder for shape structure, is socketed with shell concentric and pot shape structure is positioned at above lighting-up tuyere, is water tank between inwall and shell; Described heating tube is arranged at shell top, is connected with water tank; Described heat exchanging pipe comprises feed pipe and smoke-fire-tube, socket many smoke-fire-tubes in feed pipe; Mouth of delivering coal is had in the middle part of described burner hearth; Its annexation is: described heat exchanging pipe one end is arranged at ground, and the other end connects the upper limb of shell, and the smoke-fire-tube of the heat exchanging pipe other end stretches in boiler body and is connected with burner hearth; Described boiler body is arranged at and is positioned on the burner hearth on ground;
It is characterized in that: described energy-saving efficient boiler also comprises fuel supply system and air output device; Described fuel supply system comprises fuel supply pipe and motor; Described fuel supply pipe comprises outer tube and interior pipe, and outer tube extends forward and front end upwards bends in horn-like, and interior pipe box is connected in outer tube, inwall arranges the impelling sheet before screw; Motor is connected with interior pipe; It is inner that described fuel supply pipe inserts burner hearth by mouth of delivering coal;
Described air output device comprises arcuation cooling outer tube, air inlet, ajutage and wind pushing hole, the first half of described arcuation cooling outer tube and air outlet is tightly connected, and having ajutage between arcuation cooling outer tube and the first half of air outlet, the top of described ajutage has wind pushing hole; The two ends of described arcuation cooling outer tube are connected with water tank respectively; Described air output device coupling is fixedly installed on the top of fuel supply pipe outer tube.
2. energy-saving efficient boiler according to claim 1, is characterized in that: described smoke-fire-tube surface is provided with the fin that steel disc is wound.
3. energy-saving efficient boiler according to claim 1 and 2, is characterized in that: the smoke-fire-tube in inwall is at least provided with a spiral structure.
4. energy-saving efficient boiler according to claim 3, is characterized in that: the connector of described smoke-fire-tube and burner hearth is arranged on the bottom of water tank.
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CN201310032720.1A CN103134179B (en) | 2013-01-25 | 2013-01-25 | High-efficiency energy-saving boiler |
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CN201310032720.1A CN103134179B (en) | 2013-01-25 | 2013-01-25 | High-efficiency energy-saving boiler |
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CN103134179A CN103134179A (en) | 2013-06-05 |
CN103134179B true CN103134179B (en) | 2015-01-07 |
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CN201310032720.1A Expired - Fee Related CN103134179B (en) | 2013-01-25 | 2013-01-25 | High-efficiency energy-saving boiler |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2220615Y (en) * | 1995-04-03 | 1996-02-21 | 刘文年 | Atmospheric efficient environment energy-saving multifpurpose furnace using bituminous coal and honeycomb briquet |
CN201126254Y (en) * | 2007-10-30 | 2008-10-01 | 郴州自然人热能设备有限公司 | Molded coal water boiler |
CN201992810U (en) * | 2011-04-01 | 2011-09-28 | 俞科宝 | Efficient energy-saving boiler |
-
2013
- 2013-01-25 CN CN201310032720.1A patent/CN103134179B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2220615Y (en) * | 1995-04-03 | 1996-02-21 | 刘文年 | Atmospheric efficient environment energy-saving multifpurpose furnace using bituminous coal and honeycomb briquet |
CN201126254Y (en) * | 2007-10-30 | 2008-10-01 | 郴州自然人热能设备有限公司 | Molded coal water boiler |
CN201992810U (en) * | 2011-04-01 | 2011-09-28 | 俞科宝 | Efficient energy-saving boiler |
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