CN106679171A - Ordinary pressure hot-gas boiler - Google Patents

Ordinary pressure hot-gas boiler Download PDF

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Publication number
CN106679171A
CN106679171A CN201710081896.4A CN201710081896A CN106679171A CN 106679171 A CN106679171 A CN 106679171A CN 201710081896 A CN201710081896 A CN 201710081896A CN 106679171 A CN106679171 A CN 106679171A
Authority
CN
China
Prior art keywords
burner hearth
hot gas
heat
boiler
stove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710081896.4A
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Chinese (zh)
Inventor
黎汉东
Original Assignee
黎汉东
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 黎汉东 filed Critical 黎汉东
Priority to CN201710081896.4A priority Critical patent/CN106679171A/en
Publication of CN106679171A publication Critical patent/CN106679171A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H3/00Air heaters having heat generating means
    • F24H3/008Air heaters having heat generating means using solid combustibles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00Details
    • F24H9/0052Details for air heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00Details
    • F24H9/02Casings; Cover lids; Ornamental panels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates, burners, or heating elements
    • F24H9/1854Arrangement or mounting of grates, burners, or heating elements for air heaters
    • F24H9/189Arrangement or mounting of grates, burners, or heating elements for air heaters solid combustible heating means

Abstract

The invention discloses an ordinary pressure hot-gas boiler. The ordinary pressure hot-gas boiler comprises a feeding device, a stove and a boiler body. The feeding device is arranged corresponding to the stove and used for providing fuel for the stove. The stove is arranged at the bottom of the boiler body. The boiler body comprises a hearth, a hot-gas exchange room, a plurality of n-shaped heat conduction pipes and heat-conducting fins. The n-shaped heat conduction pipes are arranged in an inner cavity of the hearth. The multiple n-shaped heat conduction pipes are provided with gas inlets and gas outlets. The gas inlets extend to a smoke outlet, and the gas outlets stretch into the hot-gas exchange room. The heat-conducting fins are arranged on the outer wall of the hearth in a surrounding mode and located in a clearance space between the hearth and an insulating layer. The ordinary pressure hot-gas boiler disclosed by the invention is simple in structure and high in heat energy conversion rate, regenerative biomass particles are mainly used as fuel, environmental protection and sanitation are achieved, the heat energy conversion rate can reach 85% or above, and zero emission is basically realized.

Description

Normal pressure hot gas boiler
Technical field
The present invention relates to boiler, more particularly to a kind of normal pressure hot gas boiler.
Background technology
At present, Industrial Boiler pressing force is broadly divided into two kinds, and one is high-pressure boiler, and two is normal-pressure boiler.High-pressure boiler The time for a long time is used for, effect is fine, but potential safety hazard is too many, and upkeep cost is also fairly expensive, so, a lot Field has begun to be replaced by normal-pressure boiler;And the great advantage of normal-pressure boiler is its high safety and thermal energy conversion rate Higher, the internal pressure of boiler is in a basic balance with external atmosphere pressure, therefore is substantially not present safe problem, meanwhile, it can not only be even It is continuous that vapor is constantly provided, hot-air also can be continuously provided, so as to shorten heat energy turning from fuel to heated body Change process, reduces production cost, improves economic benefit and social benefit.But, both conventional boilers all exist same Kind of defect, is exactly conversion ratio of the energy from fuel to heat energy not high, the energy transformation ratio of high-pressure boiler it is general all 50-60% with Under, the heat energy conversion ratio of normal-pressure boiler between 50-60%, and the heat energy of remaining 40-50% distribute by different way in Among the distributing etc. of flue gas, the in-fighting of body of heater material, body of heater external radiation and smoke heat energy.
In recent decades, China achieves very big development and breakthrough during producing and using boiler, and biological Matter fuel is also only the thing of last decade as a kind of new renewable sources of energy, and under the influence of world's overall situation, it is opened gradually Begin to substitute non-renewable resource, such as coal, oil and natural gas, during new energy development and use, it not only enters The burning heating of horizontal high voltage boiler, is also carrying out the burning and heating of normal-pressure boiler, according to statistics, is related to the life of normal pressure hot gas boiler Produce and equipment, up to the present, do not there is the pertinent literature and patent that can be retrieved also, accordingly, as a kind of new normal pressure heat Gas boiler production equipment, its development prospect is quite can be wide.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the invention, without answering In being considered as recognizing or imply in any form that the information structure has been the prior art well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of normal pressure hot gas boiler, so as to the shortcoming for overcoming heat energy conversion ratio low.
To achieve the above object, the invention provides a kind of normal pressure hot gas boiler, including:Feed device, stove and body of heater, The feed device correspondence stove is set, and for providing fuel for the stove, the stove is located at the bottom of the body of heater Portion, the body of heater includes:Burner hearth, the upper furnace is provided with exhaust opening, and the burner hearth is coated with heat-insulation layer, the heat-insulation layer Clearance space is formed and the outer wall of the burner hearth between, the clearance space is connected with the exhaust opening of the burner hearth;Hot gas is exchanged Room, it is provided with hot gas delivery outlet, and the hot gas switch room connects with the clearance space;Many a few shape heat conducting pipes, it is located at institute State the inner chamber of burner hearth, many a few shape heat conducting pipes are provided with air inlet and gas outlet, the air inlet at the exhaust opening to prolonging Stretch, the gas outlet extends in the hot gas switch room;And conducting strip, it is surround on the outer wall of the burner hearth, position In clearance space between the burner hearth and the heat-insulation layer.
Preferably, in above-mentioned technical proposal, the hot gas switch room is located at the bottom of the burner hearth.
Preferably, in above-mentioned technical proposal, also including smoke heat energy recovery system, the smoke heat energy recovery system bag Include:Smoke exhaust pipe, its one end extends through the exhaust opening in the burner hearth;Chimney meatus draught fan, it is another with the smoke exhaust pipe One end connects;Mars processor, it is connected with the chimney meatus draught fan;And off-gas recovery pipe, at its one end and the Mars Reason device connection, the other end is connected with the hot gas storeroom.
Preferably, in above-mentioned technical proposal, Air Filter is provided with the exhaust opening of the burner hearth.
Preferably, in above-mentioned technical proposal, the inwall of the burner hearth is the metal material that heat conductivility is good, inoxidizability is strong Material is made, and outer wall is made up of the good metal material material of heat conductivility.
Preferably, in above-mentioned technical proposal, the conducting strip is made up of the good metal material of heat conductivility.
Preferably, in above-mentioned technical proposal, the feed device is particle conveyer.
Compared with prior art, the present invention has the advantages that:
(1) normal pressure hot gas boiler of the present invention, simple structure, material are excellent, thermal energy conversion rate is high, biology of the fuel to regenerate Based on matter particle, environmentally-friendly sanitary, thermal energy conversion rate basically reaches zero-emission up to more than 85%.
(2) many a few shape heat conducting pipes are provided with burner hearth, crisscross in the middle of burner hearth, cold air passes through back-shaped heat conducting pipe Air inlet enter heat conducting pipe in, the cold air in heat conducting pipe is heated in burner hearth, the air after heating pass through heat conduction The gas outlet of pipe enters in hot gas storeroom, realizes the direct absorption and conversion of burner hearth heat energy, in this part of heat energy conversion Rate is up to more than 40%.
(3) in the outer wall of burner hearth around conducting strip is provided with, the heat produced after stove chamber inner combustion is passed on hearth outer wall, ring The conducting strip for being set around hearth outer wall absorbs heat, between cold air enters between burner hearth and heat-insulation layer from furnace exhaust mouthful periphery In gap space, the heat that conducting strip absorbs is distributed to the air for flowing through conducting strip both sides from top to bottom rapidly, is allowed to become some Bar thermal current, then focuses in the switch room of bottom, and the heat energy conversion ratio of this approach is up to 30% or so.
(4) smoke heat energy recovery system is provided with, the flue gas that fuel is produced in combustion, same entrainment is walked a part of Heat energy, has installed a Mars additional and has ceased the device that goes out in the intermediate link of fume emission, then the heat energy of flue gas is reclaimed again, and send Enter in the storeroom of burner hearth bottom, realize the Efficient Conversion of heat energy, the heat energy conversion ratio of this approach is up to 15-20% or so.
(5) furnace wall of burner hearth is made with the metal material that heat conductivility is good, inoxidizability is strong, i.e., inwall using it is heat-resisting not The materials such as rust steel or heat-resisting steel sheet and plate, outer wall uses the metal materials such as the good aluminum or aluminum alloy of heat conductivility, to realize preferably Heat conduction and anti-corrosion, increase the life-span of boiler, improve productivity effect, reduce production cost.
(6) conducting strip is mainly made of the good metal material of the heat conductivilitys such as aluminium alloy or fine aluminium, to realize more preferably Ground heat conduction, preferably to absorb the heat for radiating in burner hearth.Then by heat transfer, heat energy is passed to by leading The air of backing both sides, is allowed to heated fast, and continuously in the storeroom of feeding bottom.
Brief description of the drawings
Fig. 1 is the structural representation of normal pressure hot gas boiler of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the invention is described in detail, it is to be understood that guarantor of the invention Shield scope is not limited by specific embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other units Part or other parts.
As shown in figure 1, according to a kind of normal pressure hot gas boiler of the specific embodiment of the invention, including:Feed device 1, fire Stove 2 and body of heater 3, the correspondence stove 2 of feed device 1 are set, and for providing fuel for stove 2, stove is located at the bottom of body of heater 3.This The fuel of invention normal pressure hot gas boiler with the biological particles that regenerate be main feed device 1 for particle conveying device.
More specifically it is that body of heater 3 includes burner hearth 31, the top of burner hearth 31 is provided with exhaust opening 32, and burner hearth is coated with heat-insulation layer 33, clearance space is formed between heat-insulation layer 33 and the outer wall of burner hearth 31, clearance space is connected with the exhaust opening 31 of burner hearth.Hot gas is store Room 34 is deposited located at the bottom of burner hearth 31, in hot gas storeroom 34, the heat that stove is produced when burning also is distributed in heat stove 2 In gas storeroom 34.Hot gas switch room 34 is provided with hot gas delivery outlet 35, and hot gas switch room 34 connects with clearance space.Many several shapes Heat conducting pipe 36 is interior located at burner hearth 31, and many a few shape heat conducting pipes 36 are provided with air inlet 361 and gas outlet 362, and air inlet 361 is to row Extend at mouth 32, gas outlet 362 extends in hot gas storeroom 34.Many a few shape heat conducting pipes are provided with burner hearth 31, in length and breadth Crisscross in the middle of burner hearth, cold air is entered in a few shape heat conducting pipes by the air inlet of a few shape heat conducting pipes 36, to heat conduction in burner hearth Cold air in pipe is heated, and the air after heating is entered in hot gas switch room by the gas outlet of heat conducting pipe, realizes burner hearth The direct absorption and conversion of heat energy.Conducting strip 37 is surround on the outer wall of burner hearth 31, between burner hearth 31 and heat-insulation layer 33 Clearance space in.In the outer wall of burner hearth burner hearth 31 is passed to around the heat for being provided with generation after burning in conducting strip 37, burner hearth 31 On outer wall, heat is absorbed around the conducting strip 37 located at the outer wall of burner hearth 31, cold air from furnace exhaust mouthfuls 32 enter burner hearth 31 with In clearance space between heat-insulation layer 33, the heat that conducting strip absorbs is distributed to the sky for flowing through conducting strip both sides from top to bottom rapidly Gas, is allowed to become some thermal currents, then focuses in the storeroom of bottom.
Preferably, normal pressure hot gas boiler is additionally provided with smoke heat energy recovery system 4, and smoke heat energy recovery system 4 includes smoke evacuation Pipe 41, one end of smoke exhaust pipe 41 is connected to the other end is extended in burner hearth 31 through exhaust opening 32 with chimney meatus draught fan 42.Mars treatment Device 43 is connected with chimney meatus draught fan 42, and the one end of off-gas recovery pipe 44 is connected with Mars processor 43, the other end and hot gas switch room 34 connections.Smoke heat energy recovery system is provided with, a part of heat is walked in the flue gas that fuel is produced in combustion, same entrainment Can, install a Mars additional in the intermediate link of fume emission and cease the device that goes out, then the heat energy of flue gas is reclaimed again, and send into In the switch room of burner hearth bottom, the Efficient Conversion of heat energy is realized,
Preferably, it is provided with Air Filter at the exhaust opening 32 of burner hearth.The flue dust that can prevent stove chamber inner combustion from producing flies out.
Preferably, the inwall of burner hearth is made up of the metal that the heat conductivilitys such as stainless steel are good, inoxidizability is strong, and outer wall is aluminium The good metal material of the heat conductivility such as alloy or fine aluminium and web plate is made.The furnace wall of burner hearth is with the good metallic plate of heat conductivility Material is made, i.e. using metal materials such as heat-resistance stainless steels, outer wall uses the good gold of heat conductivility such as aluminium alloy or fine aluminium to inwall Category material, to realize preferably heat conduction and anti-corrosion, increases the life-span of boiler, improves productivity effect, reduces production cost.
Preferably, conducting strip is made up of the good metal material of the heat conductivilitys such as aluminium alloy or fine aluminium.Conducting strip uses aluminium Alloy or fine aluminium and heat-resisting steel sheet and plate etc. are material, to realize preferably heat conduction, preferably to absorb radiating in burner hearth Heat.By approach such as heat transfer and radiation, heat energy is passed to the air by conducting strip both sides, is allowed to heated fast, And continuously in the switch room of feeding bottom.
The foregoing description to specific illustrative embodiment of the invention be in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explaining that certain principles of the invention and its reality should With so that those skilled in the art can realize and using a variety of exemplaries of the invention and A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (7)

1. a kind of normal pressure hot gas boiler, it is characterised in that including:Feed device, stove and body of heater, the feed device correspondence institute Stove setting is stated, for providing fuel for the stove, the stove includes located at the bottom of the body of heater, the body of heater:
Burner hearth, the upper furnace is provided with exhaust opening, and the burner hearth is coated with heat-insulation layer, the heat-insulation layer and the burner hearth Clearance space is formed between outer wall, the clearance space is connected with the exhaust opening of the burner hearth;
Hot gas switch room, it is provided with hot gas delivery outlet, and the hot gas switch room connects with the clearance space;
Many a few shape heat conducting pipes, its inner chamber for being located at the burner hearth, many a few shape heat conducting pipes are provided with air inlet and gas outlet, The air inlet extends to the exhaust opening periphery, and the gas outlet extends in the hot gas storeroom;And
Conducting strip, it is surround on the outer wall of the burner hearth, the clearance space between the burner hearth and the heat-insulation layer It is interior.
2. normal pressure hot gas boiler according to claim 1, it is characterised in that the hot gas switch room is located at the burner hearth Bottom.
3. normal pressure hot gas boiler according to claim 1, it is characterised in that described also including smoke heat energy recovery system Smoke heat energy recovery system includes:
Smoke exhaust pipe, its one end extends through the exhaust opening in the burner hearth;
Chimney meatus draught fan, it is connected with the other end of the smoke exhaust pipe;
Mars processor, it is connected with the chimney meatus draught fan;And
Off-gas recovery pipe, its one end is connected with the Mars processor, and the other end is connected with the hot gas switch room.
4. normal pressure hot gas boiler according to claim 1, it is characterised in that be provided with dust-proof at the exhaust opening of the burner hearth Net.
5. normal pressure hot gas boiler according to claim 1, it is characterised in that the inwall of the burner hearth is that heat conduction is good, anti- The strong metal material of oxidisability is made.
6. normal pressure hot gas boiler according to claim 1, it is characterised in that the conducting strip is the good metal of thermal conductivity Material is made.
7. normal pressure hot gas boiler according to claim 1, it is characterised in that the feed device is particle conveyer.
CN201710081896.4A 2017-02-15 2017-02-15 Ordinary pressure hot-gas boiler Pending CN106679171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710081896.4A CN106679171A (en) 2017-02-15 2017-02-15 Ordinary pressure hot-gas boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710081896.4A CN106679171A (en) 2017-02-15 2017-02-15 Ordinary pressure hot-gas boiler

Publications (1)

Publication Number Publication Date
CN106679171A true CN106679171A (en) 2017-05-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710081896.4A Pending CN106679171A (en) 2017-02-15 2017-02-15 Ordinary pressure hot-gas boiler

Country Status (1)

Country Link
CN (1) CN106679171A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109611809A (en) * 2018-11-21 2019-04-12 安徽雷普顿热能设备有限公司 Biomass steam generator
CN109682064A (en) * 2019-02-15 2019-04-26 黎汉东 A kind of atmospheric hot air furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109611809A (en) * 2018-11-21 2019-04-12 安徽雷普顿热能设备有限公司 Biomass steam generator
CN109682064A (en) * 2019-02-15 2019-04-26 黎汉东 A kind of atmospheric hot air furnace

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