CN100595495C - Open back water reciprocating flue type normal pressure boiler - Google Patents

Open back water reciprocating flue type normal pressure boiler Download PDF

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Publication number
CN100595495C
CN100595495C CN200810084659A CN200810084659A CN100595495C CN 100595495 C CN100595495 C CN 100595495C CN 200810084659 A CN200810084659 A CN 200810084659A CN 200810084659 A CN200810084659 A CN 200810084659A CN 100595495 C CN100595495 C CN 100595495C
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China
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water
flue
heater
furnace
boiler
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Expired - Fee Related
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CN200810084659A
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CN101290161A (en
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吴军
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吴军
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Abstract

The invention belongs to an opening inverted water reciprocating flue normal pressure boiler. The boiler body is divided into three parts, an upper part inside the boiler body is a water storage tankwhile a lower part inside the boiler body is a lower boiler body water liner and a furnace hearth, an upper boiler body water liner is arranged between the lower end of the boiler body water storage tank and the upper end of the lower boiler body water liner, the upper boiler body water bladder liner and the lower boiler body water liner are connected through a through water pipe; a water inlet pipe is arranged on the upper end of the boiler body and is communicated with the water storage tank through a ball float valve, a water outlet pipe is communicated with the lower boiler body water liner; a reciprocating flue is arranged in the lower boiler body water liner, which consists of an upper flue, a lower flue and a main flue. The opening inverted water reciprocating flue normal pressure boiler has an inverted water working way with inflowing on the upper part and outflowing at the lower part, which sufficiently absorbs heat energy of the boiler body, and has the advantages of coal conservation, simple structure, low production cost, rapid firing, good safety and high heat utilization rate.

Description

Open back water reciprocating flue type normal pressure boiler
Technical field
The invention belongs to a kind of open back water reciprocating flue type normal pressure boiler.
Background technology
The structure that traditional heating boiler adopts mostly is that interlayer formation heat-absorption water-liner is established in body of heater side and top, the lower end is a burner hearth in the body of heater, can establish several heat-absorbing water pipes in the body of heater of burner hearth upper end communicates with the heat-absorption water-liner, the water inlet pipe heat-absorption water-liner lower end that communicates, outlet pipe communicates on the heat-absorption water-liner, cold water enters heat-absorption water-liner and heat-absorbing water pipe from water inlet pipe, water that the heat that utilizes heat-absorption water-liner and heat-absorbing water pipe to absorb fire coal in the burner hearth heats in it becomes hot water, discharges body of heater from the outlet pipe of heat-absorption water-liner upper end.
This traditional heating boiler adopts cold water to enter the heat-absorption water-liner near the burner hearth that is positioned at the body of heater lower end, heating gradually then, and upwards the operation heat absorption becomes hot water, flows out body of heater from outlet pipe again, for heating provides hot water.This traditional following water running mode that goes out on advancing, constant in the last hundred years.But because the heat-absorption water-liner is wrapped in the burner hearth periphery usually, cold water is introduced into the heat-absorption water-liner of burner hearth periphery, make the temperature of burner hearth periphery low excessively, cause the coal in the burner hearth to be difficult to keep clean-burning temperature, coal in the burner hearth can not fully be burnt, form not clean-burning in a large number coal and discharge body of heater, cause the waste of coal.
On the other hand, the heat radiation position of boiler is positioned at burner hearth upper end, and upwards operation of the water after being heated, and the caloric receptivity of hot water reduces greatly, can not effectively absorb a body of heater heat of burner hearth upper end, makes the temperature of discharging from outlet flue too high, causes energy waste.Traditional heating boiler also has that body of heater expends that the coal amount is big, contaminated environment, complex structure, get angry slow and the low deficiency of heat utilization efficiency.
Summary of the invention
The objective of the invention is to design a kind of open back water reciprocating flue type normal pressure boiler, has the enterprising reverse water running mode that goes out down, can fully absorb the body of heater heat, have province's coal, simple in structure, cost of manufacture is low, quick combustion, security is good and heat utilization efficiency is high advantage.For this reason, the present invention adopts water to enter body of heater from upper of furnace body to flow out body of heater by pump from the body of heater bottom, forms the reverse water running mode that goes out for enterprising time; Body of heater is divided into three parts, the body of heater internal upper part is a storage tank, storage tank is an opened type, the bottom is lower furnace body water courage and burner hearth in the body of heater, between body of heater storage tank lower end and lower furnace body water courage upper end is upper furnace body water courage, the storage tank lower end communicates with upper furnace body water courage by water inlet, and last lower furnace body water courage communicates by connecting water pipe; Water inlet pipe is positioned at the body of heater upper end, and communicates with storage tank by ball-cock assembly, and outlet pipe is positioned at the body of heater bottom and communicates with lower furnace body water courage; Reciprocating type flue is positioned at upper furnace body water courage, is made of upper flue, lower flue and flue collector, the upper flue lower end burner hearth that communicates, the lower flue upper end that communicates, upper flue upper end, the lower flue lower end communicates with the flue collector lower end, passes storage tank on the flue collector and is positioned at body of heater and forms outlet flue outward.The said structure design has realized purpose of the present invention.
Advantage of the present invention is to have the enterprising reverse water running mode that goes out down, can fully absorb the body of heater heat, and automatic water-supply does not have the operation of pressure, and also has volume little, economizes coal, and simple in structure, cost of manufacture and price are low, quick combustion, the advantage that security is good and heat utilization efficiency is high.The present invention can save coal 60%, smokeless and dust emissions than traditional hot-water heating stove, free from environmental pollution, the high raising 27% of more traditional heating boiler heat utilization efficiency, outlet flue temperature are lower than 90 ℃, body of heater does not have the operation of pressure very high security is arranged, and use stoking deashing is convenient and prolong 50% service life.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the A-A cross-sectional view of Fig. 1
The specific embodiment
As depicted in figs. 1 and 2, a kind of open back water reciprocating flue type normal pressure boiler is made up of body of heater 24, storage tank 26, intake-outlet, fire grate 19 and outlet flue 28.
Water 27 (among the figure with horizontal--represent) enter body of heater from upper of furnace body and flow out body of heater from the body of heater bottom by pump, forms the reverse water running mode that goes out for enterprising time;
Body of heater, body of heater are divided into three parts, and the body of heater internal upper part is a storage tank, and storage tank is an opened type, and its upper end can be provided with covers 5, covers and can set out gas port 4, is used to get rid of gas in the upper furnace body water courage.The bottom is lower furnace body water courage 12 and burner hearth 14 in the body of heater, establishes thorax mud layer 15 in the body of heater of burner hearth periphery, prevents that fire coal from burning out body of heater.The fire grate two end supports that is positioned at the burner hearth lower end is on top firmware 18, and fire grate is used for the support fire coal.The fire grate lower end is a deashing chamber 17, and the body of heater of deashing chamber front is provided with shoot door, is beneficial to coal ash is removed.The front side of fire grate upper end or the body of heater of side are provided with fire door 13 to be used for adding coal and to remove the cinder ash of fire grate upper end in burner hearth.Between body of heater storage tank lower end and lower furnace body water courage upper end is upper furnace body water courage 9, storage tank and the independent sealed setting of last lower furnace body water courage.The storage tank lower end communicates with upper furnace body water courage by water inlet 7, and water inlet is set to three, evenly enters upper furnace body water courage upper end to make things convenient for cold water.Last lower furnace body water courage communicates by connecting water pipe 20, and through tube is positioned at the body of heater outer end, connects by ring flange between two through tubes.
Water inlet pipe and water outlet pipe, water inlet pipe 1 is positioned at the body of heater upper end, and communicate with storage tank by ball-cock assembly 2, the ball float 3 of control ball-cock assembly is positioned at storage tank, the keying of the water liquid level of storage tank and ball float control ball-cock assembly, outlet pipe 11 is positioned at the body of heater bottom and communicates with lower furnace body water courage, usually the outlet pipe lower furnace body water courage top that communicates.
Reciprocating type flue is positioned at upper furnace body water courage, is made of upper flue 8, lower flue 25 and flue collector 6.The upper flue lower end burner hearth that communicates (obviously, if when lower furnace body water courage upper end be sealed water jacket, should be established the mistake fire tube 22 that several pass the sealing water jacket, the burner hearth so that the upper flue lower end communicates.If lower furnace body water courage upper end is for leaving the horizontal heat-absorbing water pipe of individual layer in gap, or during double-deck horizontal heat-absorbing water pipe, the upper flue lower end is the burner hearth that communicates of the gap by each horizontal heat-absorbing water pipe then).Communicate on the upper flue on the lower flue, the lower flue lower end communicates with the flue collector lower end.Flue collector upper end is passed storage tank and is positioned at body of heater and forms outlet flue outward.Last lower flue can be tubular flue, constitute by several flue tubes up and down side by side, also can be lower flue on the annular hollow, if on the annular hollow during lower flue, logical for ease of the current in the upper furnace body water courage, available horizontal several are crossed water pipe 10 and are laterally run through lower flue.Flue collector is the tubulose flue, for ease of removing cigarette ash, can establish a clear cigarette ash road 23 in the flue collector lower end and be interlinked to the outside with body of heater, and clear outer end, cigarette ash road can be opened with door sealing.
Described upward lower flue and flue collector spacing distance are set in parallel in the upper furnace body water courage, go up the water that is between lower flue and the flue collector in the upper furnace body water courage thereby form, so that cold water fully absorbs the heat of lower flue and flue collector wall.
Laterally be provided with the horizontal heat-absorbing water pipe 21 that is positioned at burner hearth in the described lower furnace body water courage, horizontal heat-absorbing water pipe can be established several, be provided with the gap between each root water pipe, also can establish double-deck horizontal heat-absorbing water pipe, the horizontal heat-absorbing water pipe of levels staggers and forms the gap, is beneficial to stove fire heat and flue gas (among the figure traffic direction with → represent) and passes through.Every horizontal heat-absorbing water pipe two ends communicate with corresponding lower furnace body water courage.For ease of removing the dirt in the lower furnace body water courage, establish blowoff valve 16 on the body of heater outside lower furnace body water courage, open blowoff valve and can remove contamination.
One end of the described perforation water pipe upper furnace body water courage bottom that communicates, the other end lower furnace body water courage bottom that communicates.Described lower flue is provided with the water pipe of crossing that crosses its two ends.Described flue collector lower end is provided with cigarette ash road clearly.Described flue collector upper end is crooked, and angle of bend is 90 ° by storage tank, and the water that is beneficial in the storage tank fully absorbs heat.Described water inlet is 2~3.
During use, water inlet pipe of the present invention is communicated with running water pipe or heating water return pipe, to heat or bath apparatus connection outlet pipe by pump, the coal of putting on fire grate is lighted, and coal-fired heat that produces and flue gas stream enter upper flue along the burner hearth upper end, upwards enter the lower flue upper end, then enter the lower flue lower end downwards, upwards enter the flue collector lower end again, upwards enter storage tank again, to increase considerably the area of dissipation that is positioned at upper furnace body water courage and storage tank.If the water liquid level of storage tank descends, ball float is descended thereupon, ball-cock assembly is opened and inject cold water in storage tank, and cold water absorbs the flue collector top wall heat that is positioned at storage tank earlier, enters upper furnace body water courage from water inlet again, lower flue and flue collector wall heat in the absorption.Under water pump draft effect, the warm water who is positioned at upper furnace body water courage enters lower furnace body water courage through connecting water pipe downwards, absorbs behind the heat of horizontal heat-absorbing water pipe in the burner hearth and burner hearth perisporium to take out through pump from outlet pipe to flow out lower furnace body water courage and need such as radiator or shower are gone into business want hot-water supply again.Obviously,, the temperature of burner hearth periphery is reduced, can cause the coal in the burner hearth to keep temperature fully to burn on the contrary because the water that enters in the lower furnace body water courage is hot water.
Obviously, the outer chimney or the air-introduced machine that should connect higher draft of outlet flue so that flue collector has sufficient draft, can circulate flue gas and carries out in last lower flue and flue collector.

Claims (8)

1, a kind of open back water reciprocating flue type normal pressure boiler is made up of body of heater, storage tank, intake-outlet, fire grate and outlet flue, it is characterized in that:
Water enters body of heater from upper of furnace body and flows out body of heater from the body of heater bottom by pump, forms the enterprising reverse water running mode that goes out down;
Body of heater, body of heater is divided into three parts, the body of heater internal upper part is a storage tank, storage tank is an opened type, the bottom is lower furnace body water courage and burner hearth in the body of heater, between body of heater storage tank lower end and lower furnace body water courage upper end is upper furnace body water courage, and the storage tank lower end communicates with upper furnace body water courage by water inlet, and last lower furnace body water courage communicates by connecting water pipe;
Water inlet pipe and water outlet pipe, water inlet pipe are positioned at the body of heater upper end, and communicate with storage tank by ball-cock assembly, and outlet pipe is positioned at the body of heater bottom and communicates with lower furnace body water courage;
Reciprocating type flue is positioned at upper furnace body water courage, is made of upper flue, lower flue and flue collector, the upper flue lower end burner hearth that communicates, the lower flue upper end that communicates, upper flue upper end, the lower flue lower end communicates with the flue collector lower end, passes storage tank on the flue collector and is positioned at body of heater and forms outlet flue outward.
2, by the described open back water reciprocating flue type normal pressure boiler of claim 1, it is characterized in that: described upward lower flue and flue collector spacing distance are set in parallel in the upper furnace body water courage.
3, by the described open back water reciprocating flue type normal pressure boiler of claim 1, it is characterized in that: laterally be provided with the horizontal heat-absorbing water pipe that is positioned at burner hearth in the described lower furnace body water courage.
4, by the described open back water reciprocating flue type normal pressure boiler of claim 1, it is characterized in that: an end of the described perforation water pipe upper furnace body water courage bottom that communicates, the other end lower furnace body water courage bottom that communicates.
5, by the described open back water reciprocating flue type normal pressure boiler of claim 1, it is characterized in that: described lower flue is provided with the water pipe of crossing that crosses its two ends.
6, by the described open back water reciprocating flue type normal pressure boiler of claim 1, it is characterized in that: described flue collector lower end is provided with cigarette ash road clearly.
7, by the described open back water reciprocating flue type normal pressure boiler of claim 1, it is characterized in that: storage tank is passed through in described flue collector upper end bending.
8, by the described open back water reciprocating flue type normal pressure boiler of claim 1, it is characterized in that: described water inlet is 2~3.
CN200810084659A 2008-03-14 2008-03-14 Open back water reciprocating flue type normal pressure boiler Expired - Fee Related CN100595495C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810084659A CN100595495C (en) 2008-03-14 2008-03-14 Open back water reciprocating flue type normal pressure boiler

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Application Number Priority Date Filing Date Title
CN200810084659A CN100595495C (en) 2008-03-14 2008-03-14 Open back water reciprocating flue type normal pressure boiler

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CN101290161A CN101290161A (en) 2008-10-22
CN100595495C true CN100595495C (en) 2010-03-24

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101963392A (en) * 2010-10-25 2011-02-02 吴绍光 Split normal-pressure boiler
CN101968262A (en) * 2010-11-19 2011-02-09 王文茂 Gas boiling water furnace
CN103233832A (en) * 2013-05-07 2013-08-07 唐山和烁科技有限公司 General oil tank heating structure
CN104132451B (en) * 2014-07-24 2016-11-16 华北水利水电大学 Down-draught efficient finned tube biomass boiler
CN104748364B (en) * 2015-03-30 2017-08-04 刘忠德 High energy-saving smoke-dust-free is to burning formula normal-pressure hot-water boiler
CN106016729A (en) * 2016-07-05 2016-10-12 金俊青 Fully-automatic water heating boiler and use method thereof

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