CN104676656A - Energy-saving environment-friendly domestic heating boiler - Google Patents

Energy-saving environment-friendly domestic heating boiler Download PDF

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Publication number
CN104676656A
CN104676656A CN201510034073.7A CN201510034073A CN104676656A CN 104676656 A CN104676656 A CN 104676656A CN 201510034073 A CN201510034073 A CN 201510034073A CN 104676656 A CN104676656 A CN 104676656A
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CN
China
Prior art keywords
water jacket
smoke chamber
burner hearth
flue gas
water
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Pending
Application number
CN201510034073.7A
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Chinese (zh)
Inventor
严励予
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严励予
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Priority to CN201510034073.7A priority Critical patent/CN104676656A/en
Publication of CN104676656A publication Critical patent/CN104676656A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a domestic heating boiler. The domestic heating boiler comprises a boiler body shell and a base, and an upper water tank, a water jacket 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 hearth, and a heat collecting plate is arranged at the upper ends of a coal furnace and a hearth heat insulation layer. An area enclosed by the water jacket and the heat collecting plate as well as an area enclosed by the boiler body shell, the base, the upper water tank and the water jacket form a flue gas chamber jointly. The flue gas chamber is divided into three areas which are an outer flue gas chamber body, a middle flue gas chamber body and an inner flue gas chamber body respectively, the area enclosed by the heat collecting plate and the water jacket refers to the inner flue gas chamber body, the area between the upper top face of the water jacket and the lower bottom face of the upper water tank refers to the middle flue gas chamber body, the area positioned among the boiler body shell, the water jacket and the upper water tank refers to the outer flue gas chamber body, and the middle flue gas chamber body is communicated with the outer flue gas chamber body and the inner flue gas chamber body. A smoke exhaust pipe is arranged below the outer flue gas chamber body, and an automatic control valve is arranged on the smoke exhaust pipe.

Description

A kind of energy-conserving and environment-protective household heating boiler
Technical field
The present invention relates to a kind of household heating boiler, particularly the good logical heating boiler of a kind of energy-conserving and environment-protective.
Background technology
In winter, all heated by urban heating system in the big and medium-sized cities of the northern area of China, and in some town & country areas, then need resident oneself heating.Northern area from heating system mainly domestic hot water's heating system, comprise household heating boiler, for water return pipeline, heat dissipation equipment.During 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, and after heat dissipation equipment place release heat, become cold water, cold water is back to again in household heating boiler through water return pipeline.Circulation like this, preference temperature in holding chamber.The quality quality of household heating boiler is the most important for whole domestic hot water's heating system, which determines heat supply efficiency and the heating cost of whole heating system.
Existing household heating boiler comprises water jacket, body of heater, grey room, ash room is positioned at bottom of furnace body, water jacket is sleeved on body of heater outside, air enters body of heater from grey room, fuel burns in body of heater, water in water jacket becomes hot water through body of heater heating, and the flue gas produced that burns in body of heater directly enters air above body of heater.The existing household heating boiler of part is also provided with secondary air inlet, and cold air is directly transported in body of heater by secondary air inlet, supports fuel combustion.
The defect that existing household heating boiler exists is: (1) burner hearth 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 dispels the heat while being heated, and utilization efficiency of heat energy is low.(4) size of uncontrollable smoke which discharge capacity, causes utilization efficiency of heat energy low.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of energy-conserving and environment-protective household heating boiler, it can make full combustion of fuel, improves fuel availability; And reduction smoke discharge amount, reduce environmental pollution; And improve heat conduction efficiency and utilization efficiency of heat energy.
The technical scheme that the present invention solves the employing of its technical problem is: a kind of energy-conserving and environment-protective household heating boiler, comprise body of heater shell, base, upper water box, water jacket, coal stove is provided with in body of heater shell and base institute region, coal stove comprises furnace wall and burner hearth, the lower end of burner hearth is communicated with grey room by fire grate, be provided with secondary air duct in furnace wall, secondary air duct is communicated with grey room 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; Furnace wall and body of heater shell are provided with coal filling hole.Smoke chamber is divided into three regions, is respectively outer smoke chamber, middle smoke chamber, interior smoke chamber; The region 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, and be provided with exhaust opening below outer smoke chamber, exhaust opening is provided with autocontrol valve.
Further, secondary air duct is made up of multiple ventilation shaft, being arranged so that from grey room of ventilation shaft caliber and number
The air entering burner hearth through secondary air duct accounts for the 5%-10% of the air total amount entering burner hearth from grey room.
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, and have through hole in the middle of heat collector panel, smoke chamber is communicated with by through hole with burner hearth.
Further, feet is provided with below base.
Good effect of the present invention is: water jacket and furnace wall separate by (1) burner hearth heat-insulation layer, avoids heat in burner hearth to be delivered to water jacket from furnace wall in large quantities; Interior smoke chamber and burner hearth partly separate by heat collector panel, and the heat avoiding fuel combustion to discharge enters interior smoke chamber too quickly; The setting of burner hearth heat-insulation layer and heat collector panel, make temperature in burner hearth higher, thus fuel combustion obtains more abundant, 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, avoids water jacket, upper water box outwards to dispel the heat while being heated, and improve heat conduction efficiency and utilization efficiency of heat energy; (3) secondary air duct is provided with in furnace wall, Secondary Air is preheated (secondary air flow accounts for the preferred 5%-10% of ratio entering the total blast volume of burner hearth from grey room) by furnace wall through secondary air duct, both ensured there are enough air, supports combustion in burner hearth, avoid again because of air excess or air themperature low and reduce fire box temperature, 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 be 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 below body of heater shell, makes the flue gas of discharging from burner hearth, first rises and decline afterwards, and in flue gas, part bulky grain dust deposition is outside bottom smoke chamber, minimizing soot emissions, reduction environmental pollution.(6) outer smoke chamber is provided with smoke exhaust pipe, and smoke exhaust pipe is provided with autocontrol valve, can control the size of smoke discharge amount, thus can utilize heat energy fully.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in drawings, a kind of embodiment of a kind of energy-conserving and environment-protective of the present invention household heating boiler, comprise body of heater shell 1 and base 8, 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.Feet 9 is provided with below base 8.Upper water box 11, water jacket 13, coal stove is provided with in body of heater shell 1 with base 8 regions.Coal stove comprises furnace wall 5 and burner hearth 18, and the lower end of burner hearth 18 is communicated with grey room 20 by fire grate 7.Be provided with secondary air duct 6 in furnace wall 5, 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 end, and Jun Yuhui room, ventilation shaft lower end 20 is communicated with.The caliber of six ventilation shafts is equal, and burner hearth 18 is in cylindrical shape.Six ventilation shafts accounted for that six ventilation shafts and burner hearth 18 to be cut the sectional area sum of gained by horizontal plane by the sectional area sum that horizontal plane cuts gained 7%.So, the air entering burner hearth 18 through secondary air duct 6 accounts for 7% of the air total amount entering burner hearth 18 from grey room 20.Water jacket 13 wraps in the outside of furnace wall 5, is provided with burner hearth heat-insulation layer 4 between furnace wall 5 and water jacket 13.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 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 surface 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, outer smoke chamber 17 form the smoke chamber of boiler jointly.Interior smoke chamber 3 is communicated with by through hole 14 with burner hearth 18.Be provided with smoke exhaust pipe 21 below outer smoke chamber, smoke exhaust pipe 21 is provided with autocontrol valve 22.Smoke exhaust pipe 21 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.Furnace wall 5 and body of heater shell 1 are provided with coal filling hole 16.
Below in conjunction with embodiment 1, operation principle of the present invention is described: fire coal is added in burner hearth 18 by coal filling hole 16, and First air enters burner hearth 18 from grey room 20 through fire grate 7, coal-fired in burner hearth 18 combustion.Burner hearth 18 can be divided into two regions according to combustion position is different and temperature is different, burner hearth 18 the first half is combustion chamber, and burner hearth 18 the latter half is precombustion chamber.The fire coal added falls into precombustion chamber, burns more gently in precombustion chamber.The coal dust with flue gas rising that the coal-fired the superiors and pre-burning produce is at combustion chamber vigorous combustion, 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 produced after the Thorough combustion of combustion chamber enters into interior smoke chamber 3, and heats the water in water jacket 13.Flue gas rises, and enters middle smoke chamber 12, and proceeds heating to the water in water jacket 13 and upper water box 11.Flue gas enters outer smoke chamber 17 from middle smoke chamber 12, and continues to heat the water in water jacket 13 and upper water box 11.Finally, flue gas enters chimney (not shown) from the smoke exhaust pipe 21 be positioned at below outer smoke chamber 17, enters air from chimney (not shown) upper end, and the autocontrol valve 22 on smoke exhaust pipe 21 is used for controlling the size of smoke discharge amount.The cold water come from water return pipeline stream flows into water jacket 13 through cooling water inlet 19, and becomes hot water after heating 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 end, for indoor radiating equipment provides heat energy.

Claims (5)

1. an energy-conserving and environment-protective household heating boiler, is characterized in that, comprises 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, and the lower end of burner hearth is communicated with grey room by fire grate, is provided with secondary air duct in furnace wall, and secondary air duct is communicated with grey room 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; Described furnace wall and body of heater shell are provided with coal filling hole;
Described smoke chamber is divided into three regions, is respectively outer smoke chamber, middle smoke chamber, interior smoke chamber; The region 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, and be provided with smoke exhaust pipe below described outer smoke chamber, described smoke exhaust pipe is provided with autocontrol valve.
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 shaft, ventilation shaft caliber and number be arranged so that the air entering burner hearth through secondary air duct from grey room accounts for the 5%-10% of the air total amount entering burner hearth from grey room.
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, it is characterized in that, described heat collector panel is made up of fireclay insulating refractory, and have through hole in the middle of heat collector panel, 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 1, is characterized in that, be provided with feet below described base.
CN201510034073.7A 2015-01-19 2015-01-19 Energy-saving environment-friendly domestic heating boiler Pending CN104676656A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510034073.7A CN104676656A (en) 2015-01-19 2015-01-19 Energy-saving environment-friendly domestic heating boiler

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Application Number Priority Date Filing Date Title
CN201510034073.7A CN104676656A (en) 2015-01-19 2015-01-19 Energy-saving environment-friendly domestic heating boiler

Publications (1)

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CN104676656A true CN104676656A (en) 2015-06-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042844A (en) * 2015-08-11 2015-11-11 丁克礼 Active combustion type energy-saving and smoke-free boiler
CN108592392A (en) * 2018-05-08 2018-09-28 阜阳安固锅炉压力容器制造有限公司 A kind of power economized boiler

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203704329U (en) * 2013-12-25 2014-07-09 严励予 Energy-saving and environment-friendly household heating boiler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203704329U (en) * 2013-12-25 2014-07-09 严励予 Energy-saving and environment-friendly household heating boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042844A (en) * 2015-08-11 2015-11-11 丁克礼 Active combustion type energy-saving and smoke-free boiler
CN108592392A (en) * 2018-05-08 2018-09-28 阜阳安固锅炉压力容器制造有限公司 A kind of power economized boiler

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Application publication date: 20150603