CN203704329U - Energy-saving and environment-friendly household heating boiler - Google Patents
Energy-saving and environment-friendly household heating boiler Download PDFInfo
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- CN203704329U CN203704329U CN201320861003.5U CN201320861003U CN203704329U CN 203704329 U CN203704329 U CN 203704329U CN 201320861003 U CN201320861003 U CN 201320861003U CN 203704329 U CN203704329 U CN 203704329U
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- water
- smoke chamber
- burner hearth
- chamber
- water jacket
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Abstract
The utility model relates to an energy-saving and environment-friendly household heating boiler. The energy-saving and environment-friendly household heating boiler comprises a boiler body shell and a base, wherein an upper water tank, a water sleeve and a coal furnace are arranged in an area enclosed by the boiler body shell and the base, the coal furnace comprises a furnace wall and a furnace hearth, the lower end of the furnace hearth is communicated with an ash chamber through a furnace grate, and a secondary air passage is arranged in the furnace wall and communicates the ash chamber and the upper end of the furnace hearth; the water sleeve sleeves the outer side of the furnace wall, and a furnace hearth insulation layer is arranged between the furnace wall and the water sleeve; the upper water tank is located above the water sleeve and is communicated with the water sleeve through a water pipe; a heat gathering plate is arranged at the upper end of the coal furnace and the upper end of the furnace hearth insulation layer; an area, which is enclosed by the water sleeve and the heat gathering plate, and an area, which is enclosed by the boiler body shell, the base, the upper water tank and the water sleeve, together form a flue gas chamber, and the flue gas chamber is communicated with the upper end of the furnace hearth; a cold water inlet is formed in the downside of the water sleeve, penetrates through the boiler body shell and is connected with an indoor heating cold water return pipe, and a hot water outlet is formed in the upside of the upper water tank, penetrates through the boiler body shell and is connected with an indoor heating hot water pipe; a coal feeding opening is formed in the furnace wall and the boiler body shell.
Description
Technical field
The utility model relates to a kind of household heating boiler.
Background technology
In winter, all being heated by urban heating system in the big and medium-sized cities of the northern area of China, and in some town & country areas, needs the own heating of resident.Northern area be mainly domestic hot water's heating system from heating system, comprise household heating boiler, for water return pipeline, heat dissipation equipment.When heating, cold water becomes hot water through the heating of household heating boiler, and hot water is transported to indoor heat dissipation equipment through water supply line, after heat dissipation equipment place release heat, becomes cold water, and cold water is back to again in household heating boiler through water return pipeline.So circulation, preference temperature in holding chamber.The quality quality of household heating boiler is the most important for whole domestic hot water's heating system, and it has determined the heat supply efficiency of whole heating system and the cost that heats.
Existing household heating boiler comprises water jacket, body of heater, grey chamber, ash chamber is positioned at bottom of furnace body, water jacket is sleeved on body of heater outside, air enters body of heater from grey chamber, fuel burns in body of heater, water in water jacket becomes hot water through body of heater heating, and the flue gas that in body of heater, burning produces directly enters atmosphere from body of heater top.The existing household heating boiler of part is also provided with secondary air inlet, and secondary air inlet is directly transported to cold air in body of heater, supports fuel combustion.
The defect that existing household heating boiler exists is: (1) stove chamber inner combustion temperature is low, and fuel combustion is insufficient, and fuel availability is low; (2) smoke discharge amount is large, and environmental pollution is serious; (3) water jacket heating surface area is less, and heat conduction efficiency is low; (4) water jacket outwards dispelled the heat in the heated while, and utilization efficiency of heat energy is low.
Utility model content
The technical problems to be solved in the utility model is, a kind of energy-conserving and environment-protective household heating boiler is provided, and it can make full combustion of fuel, improves fuel availability; And reduction smoke discharge amount, reduces environmental pollution; And improve heat conduction efficiency and utilization efficiency of heat energy.
The technical scheme that the utility model solves its technical problem employing is: energy-conserving and environment-protective household heating boiler, comprise body of heater shell, base, in body of heater shell and base institute region, be provided with upper water box, water jacket, coal stove, coal stove comprises furnace wall and burner hearth, the lower end of burner hearth is communicated with grey chamber by fire grate, in furnace wall, be provided with secondary air duct, secondary air duct is communicated with grey chamber and burner hearth upper end; Water jacket is sleeved on the outside of furnace wall, is provided with burner hearth heat-insulation layer between furnace wall and water jacket; Upper water box is positioned at the top of water jacket, and upper water box and water jacket pass through cross current.The upper end of coal stove and burner hearth heat-insulation layer is provided with heat collector panel; Water jacket and heat collector panel institute's region and body of heater shell and base, upper water box, water jacket institute region form smoke chamber jointly, and smoke chamber is connected with the upper end of burner hearth.The below of water jacket is provided with cooling water inlet, and cooling water inlet is connected with the cold-water return pipe of room heater through body of heater shell, and the top of upper water box is provided with hot water outlet, and hot water outlet is connected with the hot-water line of room heater through body of heater shell; On furnace wall and body of heater shell, be provided with coal filling hole.
Further, secondary air duct is made up of multiple ventilation shafts, and the air that enters burner hearth through secondary air duct that is arranged so that from grey chamber of ventilation shaft caliber and number accounts for the 5%-10% that enters the air total amount of burner hearth from grey chamber.
Further, body of heater shell comprises skin, intermediate layer, internal layer, and intermediate layer is adiabator layer, and the below of body of heater shell is provided with smoke canal elbow, and smoke canal elbow is communicated with smoke chamber and chimney.
Further, heat collector panel is made up of fireclay insulating refractory, in the middle of heat collector panel, has through hole, and smoke chamber is communicated with by through hole with burner hearth.
Further, smoke chamber is divided into three regions, is respectively outer smoke chamber, middle smoke chamber, interior smoke chamber; The region being surrounded by heat collector panel and water jacket is interior smoke chamber; Region on water jacket between end face and upper water box bottom surface is middle smoke chamber; Region between body of heater shell and water jacket, upper water box is outer smoke chamber; Middle smoke chamber is connected with outer smoke chamber, interior smoke chamber.
Further, base below is provided with feet.
Good effect of the present utility model is: (1) burner hearth heat-insulation layer separates water jacket and furnace wall, avoids heat in burner hearth to be delivered to water jacket from furnace wall in large quantities; Heat collector panel partly separates interior smoke chamber and burner hearth, and the heat of avoiding fuel combustion to discharge enters interior smoke chamber too quickly; The setting of burner hearth heat-insulation layer and heat collector panel, makes the interior temperature of burner hearth higher, more abundant thereby fuel combustion obtains, and can improve fuel availability, reduces soot emissions, reduces environmental pollution; (2) upper water box and water jacket are surrounded by smoke chamber, and heating surface area is large, avoid water jacket, upper water box outwards to dispel the heat in the heated while, improve heat conduction efficiency and utilization efficiency of heat energy; (3) in furnace wall, be provided with secondary air duct, when Secondary Air process secondary air duct, preheated by furnace wall (the preferred 5%-10% of ratio that secondary air flow accounts for the total blast volume that enters burner hearth from grey chamber), both having ensured has enough air, supports combustion in burner hearth, avoid again because of air excess or the low fire box temperature that reduces of air themperature, fuel combustion is obtained more abundant, improve fuel availability, reduce soot emissions, reduce environmental pollution; (4) body of heater shell is provided with the intermediate layer being made up of insulation material, avoids flue gas outwards to dispel the heat, and improves utilization efficiency of heat energy; (5) smoke canal elbow is located at body of heater shell below, makes, from the flue gas of burner hearth discharge, first to rise and decline afterwards, and in flue gas, part bulky grain dust deposition smoke chamber bottom outside, reduces soot emissions, reduces environmental pollution.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in drawings, a kind of embodiment of the utility model energy-conserving and environment-protective household heating boiler, comprises body of heater shell 1 and base 8, and body of heater shell 1 comprises outer 1-1, intermediate layer 1-2, internal layer 1-3, and intermediate layer 1-2 is adiabator layer.Base 8 belows are provided with feet 9.In body of heater shell 1 and 8 regions of base, be provided with upper water box 11, water jacket 13, coal stove.Coal stove comprises furnace wall 5 and burner hearth 18, and the lower end of burner hearth 18 is communicated with grey chamber 20 by fire grate 7.In furnace wall 5, be provided with secondary air duct 6, secondary air duct 6 is made up of six ventilation shafts, and the upper end of ventilation shaft is all communicated with burner hearth 18 upper ends, and Jun Yuhui chamber, ventilation shaft lower end 20 is communicated with.The caliber of six ventilation shafts is equal, and burner hearth 18 is cylindrical shape.The sectional area sum that six ventilation shafts are cut gained by horizontal plane account for six ventilation shafts and burner hearth 18 cut by horizontal plane gained sectional area sum 7%.So, the air that enters burner hearth 18 through secondary air duct 6 account for enter from grey chamber 20 burner hearth 18 air total amount 7%.Water jacket 13 wraps in the outside of furnace wall 5, between furnace wall 5 and water jacket 13, is provided with burner hearth heat-insulation layer 4.Upper water box 11 is positioned at the top of water jacket 13, and upper water box 11 is communicated with by water pipe 2 with water jacket 13.The upper end of coal stove and burner hearth heat-insulation layer 4 is provided with heat collector panel 15.Heat collector panel 15 is made up of fireclay insulating refractory, has through hole 14 in the middle of heat collector panel 15.The region being surrounded by heat collector panel 15 and water jacket 13 is interior smoke chamber 3; Region on water jacket 13 between end face and upper water box 11 bottom surfaces is middle smoke chamber 12; Region between body of heater shell 1 and water jacket 13, upper water box 11 is outer smoke chamber 17; Middle smoke chamber 12 is connected with outer smoke chamber 17, interior smoke chamber 3.Interior smoke chamber 3, middle smoke chamber 12, the common smoke chamber that forms boiler of outer smoke chamber 17.Interior smoke chamber 3 is communicated with by through hole 14 with burner hearth 18.The below of body of heater shell 1 is provided with smoke canal elbow (not shown), and smoke canal elbow (not shown) is communicated with smoke chamber and chimney (not shown).The below of water jacket 13 is provided with cooling water inlet 19, and cooling water inlet 19 is connected with the cold-water return pipe of room heater through body of heater shell 1, and the top of upper water box 11 is provided with hot water outlet 10, and hot water outlet 10 is connected with the hot-water line of room heater through body of heater shell 1.On furnace wall 5 and body of heater shell 1, be provided with coal filling hole 16.
Below in conjunction with embodiment 1, operation principle of the present utility model is described: fire coal is added in burner hearth 18 by coal filling hole 16, and one time wind enters burner hearth 18 from grey chamber 20 through fire grate 7, coal-fired in the interior burning of burner hearth 18.Burner hearth 18 can be divided into two regions according to combustion position difference and temperature difference, burner hearth 18 the first half are combustion chamber, and burner hearth 18 the latter halfs are precombustion chamber.The fire coal adding falls into precombustion chamber, burns more gently in precombustion chamber.The coal dust rising with flue gas that the coal-fired the superiors and pre-burning produce acutely burns in combustion chamber, and combustion chamber provides air by secondary air duct 6.The temperature of combustion chamber is higher than the temperature of precombustion chamber.The coal-fired flue gas via through holes 14 producing after fully burning in combustion chamber enters into interior smoke chamber 3, and the water in water jacket 13 is heated.Flue gas rises, smoke chamber 12 in the middle of entering, and the water in water jacket 13 and upper water box 11 is proceeded to heating.Flue gas is smoke chamber 17 from middle smoke chamber 12 enters, and continues the water in water jacket 13 and upper water box 11 to heat.Finally, flue gas enters chimney (not shown) from the smoke canal elbow (not shown) that is positioned at body of heater shell 1 below, enters atmosphere from chimney (not shown) upper end.The cold water coming from water return pipeline stream flows into water jacket 13 through cooling water inlet 19, and after heating, becomes hot water in water jacket 13, upper water box 11, and hot water flows into water supply line from the hot water outlet 10 of upper water box 11 upper ends, for indoor radiating equipment provides heat energy.
Claims (6)
1. energy-conserving and environment-protective household heating boiler, it is characterized in that, comprise body of heater shell, base, in body of heater shell and base institute region, be provided with upper water box, water jacket, coal stove, described coal stove comprises furnace wall and burner hearth, the lower end of burner hearth is communicated with grey chamber by fire grate, is provided with secondary air duct in furnace wall, and secondary air duct is communicated with grey chamber and burner hearth upper end; Described water jacket is sleeved on the outside of furnace wall, is provided with burner hearth heat-insulation layer between furnace wall and water jacket; Described upper water box is positioned at the top of described water jacket, and upper water box and water jacket pass through cross current; The upper end of described coal stove and burner hearth heat-insulation layer is provided with heat collector panel; Water jacket and heat collector panel institute's region and body of heater shell and base, upper water box, water jacket institute region form smoke chamber jointly, and smoke chamber is connected with the upper end of burner hearth; The below of water jacket is provided with cooling water inlet, and cooling water inlet is connected with the cold-water return pipe of room heater through body of heater shell, and the top of upper water box is provided with hot water outlet, and hot water outlet is connected with the hot-water line of room heater through body of heater shell; On described furnace wall and body of heater shell, be provided with coal filling hole.
2. energy-conserving and environment-protective household heating boiler according to claim 1, it is characterized in that, described secondary air duct is made up of multiple ventilation shafts, and the air that enters burner hearth through secondary air duct that is arranged so that from grey chamber of ventilation shaft caliber and number accounts for the 5%-10% that enters the air total amount of burner hearth from grey chamber.
3. energy-conserving and environment-protective household heating boiler according to claim 1 and 2, it is characterized in that, described body of heater shell comprises skin, intermediate layer, internal layer, and described intermediate layer is adiabator layer, the below of body of heater shell is provided with smoke canal elbow, and smoke canal elbow is communicated with smoke chamber and chimney.
4. energy-conserving and environment-protective household heating boiler according to claim 3, is characterized in that, described heat collector panel is made up of fireclay insulating refractory, in the middle of heat collector panel, has through hole, and described smoke chamber is communicated with by through hole with described burner hearth.
5. energy-conserving and environment-protective household heating boiler according to claim 4, is characterized in that, described smoke chamber is divided into three regions, is respectively outer smoke chamber, middle smoke chamber, interior smoke chamber; The region being surrounded by heat collector panel and water jacket is interior smoke chamber; Region on water jacket between end face and upper water box bottom surface is middle smoke chamber; Region between body of heater shell and water jacket, upper water box is outer smoke chamber; Middle smoke chamber is connected with outer smoke chamber, interior smoke chamber.
6. energy-conserving and environment-protective household heating boiler according to claim 5, is characterized in that, described base below is provided with feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861003.5U CN203704329U (en) | 2013-12-25 | 2013-12-25 | Energy-saving and environment-friendly household heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861003.5U CN203704329U (en) | 2013-12-25 | 2013-12-25 | Energy-saving and environment-friendly household heating boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704329U true CN203704329U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320861003.5U Expired - Fee Related CN203704329U (en) | 2013-12-25 | 2013-12-25 | Energy-saving and environment-friendly household heating boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203704329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676656A (en) * | 2015-01-19 | 2015-06-03 | 严励予 | Energy-saving environment-friendly domestic heating boiler |
| CN105783254A (en) * | 2016-05-11 | 2016-07-20 | 句容鼎勤容惠金属制品有限公司 | Heat collection boiler with heat collection hood |
-
2013
- 2013-12-25 CN CN201320861003.5U patent/CN203704329U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676656A (en) * | 2015-01-19 | 2015-06-03 | 严励予 | Energy-saving environment-friendly domestic heating boiler |
| CN105783254A (en) * | 2016-05-11 | 2016-07-20 | 句容鼎勤容惠金属制品有限公司 | Heat collection boiler with heat collection hood |
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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 |
Granted publication date: 20140709 Termination date: 20161225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |