CN107588541A - A kind of water-cooling wall biological particles water heater - Google Patents
A kind of water-cooling wall biological particles water heater Download PDFInfo
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- CN107588541A CN107588541A CN201710828199.0A CN201710828199A CN107588541A CN 107588541 A CN107588541 A CN 107588541A CN 201710828199 A CN201710828199 A CN 201710828199A CN 107588541 A CN107588541 A CN 107588541A
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- water
- burner hearth
- heat exchange
- heat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 239000002245 particle Substances 0.000 title claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 39
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 18
- 239000003517 fume Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 239000002028 Biomass Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 5
- 239000008187 granular material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 239000002551 biofuel Substances 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 235000016936 Dendrocalamus strictus Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Abstract
The present invention discloses a kind of water-cooling wall biological particles water heater, including supporting support, feed device and burner hearth in supporting support, burner hearth includes being sequentially arranged lower header from bottom to top, water screen tube and top header, lower header is positioned over the lower section of fire grate, lower header is connected with water screen tube, the water screen tube connects with top header, also include smoke heat replacing device, caused flue gas is discharged by smoke heat replacing device in burner hearth, the smoke heat replacing device includes heat exchange closed tank and fume emission part, the fume emission part is arranged on can be with water-filled heat exchange closed tank, the heat exchange closed tank is provided with normal temperature water inlet, and connected with the lower header.The present invention effectively absorbs fuel combustion heat, water heater is exchanged heat more abundant, efficiency is obviously improved, and heat exchange efficiency is high, energy-conserving and environment-protective using one-level flue gas heat exchange, two level burner hearth water wall heat exchange structure.
Description
Technical field
The present invention relates to technical field of combustion equipment, and in particular to a kind of biological particles boiling type combustor.
Background technology
With the propulsion of China's process of industrialization, the problem of air pollution phenomenon has become whole society's relation, reduce dirty
Dye, there is provided air quality has been related to national healthy index, bans heavily contaminated boiler, advocates using clean energy resource
Consequence is refer to, biological substance shaped granule heat supply becomes low-carbon clean environment firendly regenerative resource already, is China's mesh
Before implement prevention and control of air pollution action plan, substitute the important way of the more serious Industry Model of damage ratio such as coal heating.
Biomass molding fuel, it is a kind of green fuel of Novel clean.Using agricultural crop straw, rice husk, peanut shell,
Corncob, forestry processing waste etc. are used as raw material, and by crushing, drying, the technique such as extruding, the biology of 6 ~ 12mm specifications is made
Matter granular fuel, can be widely used in biomass combustion machine or lattice card biomass boiler directly burns.Particle after compression forming
Fuel ratio is great, small volume, has the characteristics that inflammable, ash content is few, cost is low, the fuel such as alternative bavin, raw coal, is widely used in and takes
It is warm, life cooking stove, biomass power plant.In recent years, biomass fuel obtained in every profession and trade as new commercial energy
It is a large amount of to use.Because of its density height, calorific value height, regular shape, good fluidity, it is easy to burns the fuzzy control, can is enterprise and residence
The people save energy cost.For the present situation of biomass water heater, the required water heater in market is mostly small-sized, medium-sized stove, extensively
For residential locations such as residence district, hotel, schools, and the present invention uses biological substance shaped granule as fuel
Water-cooling wall is the main heated portion of boiler, and it is made up of the row's of number steel pipe, is distributed in the surrounding of boiler furnace.It is inside it
The water or steam of flowing, outside receive the heat of the flame of boiler furnace.During water-cooling wall initial design, purpose is not to be heated,
But in order to which cooled hearth is allowed to not by high temperature.Later, due to its good heat exchange function, gradually drum is substituted to turn into
Boiler main wants heated portion.Water-cooling wall be laid in boiler furnace inwall, by the molecular evaporating heating surface of many parallel transistors.Water
The effect of cold wall is to absorb the radiations heat energy of burner hearth high temperature flame or flue gas, steam or hot water is produced in pipe, and reduce stove
Wall temperature, protect furnace wall.In heavy duty boiler, furnace flame temperature is very high, and the intensity of heat radiation is very big.Have 40 in boiler~
50% even more heats are absorbed by water-cooling wall.In addition to a small number of low capacity boilers, modern water-tube boiler is made with water-cooling wall
For most important evaporating heating surface in boiler.
In the prior art, heat smoke is directly expelled directly out by biomass water heater, and chimney breast temperature still has to be spent more 100,
Heat serious waste causes the loss of heat.
The content of the invention
Directly heat smoke is expelled directly out for current water heater, the problem of causing the loss of heat, the technical program carries
For a kind of water-cooling wall biological particles water heater, solve the problems, such as that heat is taken away in smoke evacuation, capacity usage ratio is high.
Technical scheme is as follows：
A kind of water-cooling wall biological particles water heater, including supporting support, feed device and stove in supporting support
Thorax, feed pipe one end of feed device are fixedly connected with burner hearth, and fire grate is provided with burner hearth, it is characterised in that：The burner hearth includes
Lower header, water screen tube and top header, the lower header are sequentially arranged from bottom to top is positioned over the lower section of fire grate, the next part
Case is connected with water screen tube, and the water screen tube connects with top header, and the top header is provided with hot water outlet.
Further, in addition to smoke heat replacing device, caused flue gas is discharged by smoke heat replacing device in burner hearth,
The smoke heat replacing device includes heat exchange closed tank and fume emission part, the fume emission part are arranged on and can be full of
In the heat exchange closed tank of water, the heat exchange closed tank is provided with normal temperature water inlet, and is connected with the lower header.
Preferably, the fume emission part includes interconnected smoke chamber, smoke evacuation is in charge of, smoke explorer, the cigarette
Air chamber connects with burner hearth exhanst gas outlet, and the flue gas of smoke chamber is in charge of by smoke evacuation is flowed to smoke explorer discharge air, heat exchange envelope
Water tank inner aqueous layer is closed to be exchanged heat with fume emission part.Smoke evacuation is in charge of increases flue gas heat exchange surface area with smoke explorer, improves
The heating efficiency of water.
Preferably, the heat exchange closed tank is connected with the lower header by pipeline.After the connecting tube is located at burner hearth
Portion.Lower header is collected the water after flue gas heat exchange by connecting tube.
Preferably, the lower condensate sump is circular tube structure.
Preferably, the burner hearth bottom is provided between slagging-off, is provided between the slagging-off below fire grate, bio-fuel is in stove
Abundant burning forms lime-ash and fallen between slagging-off on row；The lower header is arranged between slagging-off between fire grate.
Preferably, the feed device includes feeding motor, feed pipe, feeding extruder, the welding of described feed pipe one end admittedly
Furnace wall is scheduled on, granular fuel is transported to burner hearth by feeding extruder of the feeding motor driving in feed pipe.Feed pipe
Back upper place opens up the small cone bucket of charging, and small cone bucket is connected with the storing of top.
Preferably, in addition to air-supply arrangement, the air-supply arrangement include blower fan, bellows, connection airduct I, connection airduct II,
The bellows are connected with blower fan, and the connection airduct I is connected with burner hearth bottom, and the connection airduct II connects with feed pipe
Connect, the feed pipe front upper place opens up air vent, and air vent is connected with airduct II, and wind, which enters feeding pipe, to be made inside expects pipe to be righteous style and practice
Pressure, prevent string fire, tempering.
Preferably, the water screen tube of the burner hearth and top collection box outer wall are provided with heat-insulation layer.
Preferably, the top header is provided with safety relief valve.
The technical effects of the invention are that：
For the present situation of biomass water heater, the required water heater in market is mostly small-sized, medium-sized stove, and it is small to be widely used in life
The residential locations such as area, hotel, school, and the present invention uses biological substance shaped granule as fuel, using one-level flue gas heat exchange, two
Level burner hearth water wall heat exchange structure, effectively absorbs fuel combustion heat, water heater is exchanged heat more abundant, and efficiency is obviously improved,
Heat exchange efficiency is high, energy-conserving and environment-protective.Body and cigarette system are cleverly combined into arrangement in spatial design, whole heat energy generating region and
Discharge region is all disposed among water environment, without unnecessary flue gas stringing so that water heater is compact-sized, and space is small.
Brief description of the drawings
Fig. 1 is a kind of general assembly stereogram of water-cooling wall biological particles water heater of the present invention.
1- supporting supports, 2- feeding motors, 3- feed pipes, 4- feeding extruders, 5- storage bins, 6- blower fans, 7- bellows, 8- connect
Air duct I, 9- connection airduct II, 10- fire grate, 11- lower headers, 12- water screen tubes, 13- tops header, 14- heat exchange closing water
Case, 15- burner hearths exhanst gas outlet, 16- smoke chambers, 17- smoke evacuation be in charge of, 18- smoke explorers, 19- slagging-off between, 20- pipelines, 21-
Normal temperature water inlet, 22- hot water outlets, 23- burner hearths heat-insulation layer, 24- cold water inlets valve, 25- hot water outlets valve, 26-
Safety relief valve.
Embodiment
Below in conjunction with the accompanying drawings to the present invention is further described.
As shown in figure 1, a kind of water-cooling wall biological particles water heater, including supporting support 1, in supporting support 1
Feed device and burner hearth, feed pipe one end of feed device is fixedly connected with burner hearth, and fire grate 10, its feature are provided with burner hearth
It is：The burner hearth includes being sequentially arranged lower header 11, water screen tube 12 and top header 13, the lower header 11 from bottom to top
The lower section of fire grate 10 is positioned over, the lower header 11 is connected with water screen tube 12, and the water screen tube 12 connects with top header 13
Logical, the top header 13 is provided with hot water outlet 22.It is uniform vertical water-wall tube 12 in the middle part of the furnace wall, the water screen tube
It is linked to be between 12 under a hearth body by sealing plate weld and connects lower header 11, above connects top header 13.
Also include smoke heat replacing device, caused flue gas is discharged by smoke heat replacing device in burner hearth, the flue gas
Heat-exchanger rig includes heat exchange closed tank 14 and fume emission part, and the fume emission part, which is arranged on, to be changed with water-filled
In heat-seal water tank 14, the heat exchange closed tank 14 is provided with normal temperature water inlet 21, and is connected with the lower header 11.
The fume emission part includes interconnected smoke chamber 16,17, smoke explorer 18, the flue gas are in charge of in smoke evacuation
Room 16 connects with burner hearth exhanst gas outlet 15, and the flue gas of smoke chamber 16, which by smoke evacuation is in charge of 17 and is flowed to smoke explorer 18, discharges greatly
Gas, the heat exchange inner aqueous layer of closed tank 14 are exchanged heat with fume emission part.17 and the increase flue gas of smoke explorer 18 are in charge of in smoke evacuation
Heat exchange surface area, improve the heating efficiency of water.
The heat exchange closed tank 14 is connected with the lower header 11 by pipeline 20.After the connecting tube is located at burner hearth
Portion.Lower header 11 is collected the water after flue gas heat exchange by connecting tube.
The lower condensate sump is circular tube structure.
The burner hearth bottom is provided with 19 between slagging-off, and 19 are provided with the lower section of fire grate 10 between the slagging-off, and bio-fuel is in stove
Abundant burning forms lime-ash and fallen into 19 between slagging-off on row 10；The lower header 11 is arranged between slagging-off between 19 and fire grate 10.
The feed device is weldingly fixed on including feeding motor 2, feed pipe 3, feeding extruder 4, the one end of the feed pipe 3
Granular fuel is transported to burner hearth by furnace wall, feeding extruder 4 of the driving of feeding motor 2 in feed pipe 3.Feed pipe 3
Back upper place opens up the small cone bucket of charging, and small cone bucket is connected with the storage bin 5 of top.
Also include air-supply arrangement, the air-supply arrangement includes blower fan 6, bellows 7, connection airduct I8, connection airduct II9, institute
State the bellows to be connected with blower fan, the connection airduct I8 is connected with burner hearth bottom, and burner hearth internal welding is connected to the support branch of fire grate 10
Bracer, ventilating groove hole is uniform-distribution with fire grate 10, combustion air passes through fire grate 10 from bottom.The connection airduct II9 and feeding
Pipe connects, and the feed pipe front upper place opens up air vent, and air vent is connected with being connected airduct II9, and wind, which enters feeding pipe, makes expects pipe
Inside is positive wine pressure, prevents string fire, tempering.
The water screen tube 12 and the top outer wall of header 13 of the burner hearth are provided with heat-insulation layer 23.
The top header 13 is provided with safety relief valve.
The use course of work of water-cooling wall biological particles water heater of the present invention is as follows：
1st, biomass granule fuel is loaded into storage bin, opens hot water outlet valve 25 and cooling water inlet valve 24, treat hot water
Outlet valve 25 has water spilling（Upper water terminates）, close hot water outlet valve 25；
2nd, the switch key on control panel is started, the deceleration feeding motor of fuel -supply pipe afterbody arrangement is driven inside feed pipe
Feeding screw screw feeder rotate, arrangement storage bin above feed pipe, granular fuel enters feed pipe under gravity, by stirring
Imperial auger enters in the burner hearth in front of feeding pipe；Automatic ignitor is installed, fuel enters behind combustion chamber according to control in burner hearth
Wind is blasted bellows by the pre- feeding time controlled system triggering igniting that device processed is set, blower fan, and bellows have two-way airduct to use respectively
In：The anti-string fire tempering of feed pipe, burner hearth fuel combustion supporting.With the progress of burning, the thermometer of hot water outlet pipe front end can be passed through
Water temperature is observed, when temperature reaches demand temperature（35-80℃）Hot water outlet valve 25 is opened, makes water heater continue to export hot water,
Hot water outlet header end is provided with safety relief valve 26, and protection water system will not superpressure, it is ensured that stabilization safe for operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all at this using new
Spirit and principle within, to those skilled in the art, on the premise of creativeness is not paid, that is made is any
Modification, equivalent substitution, improvement etc., should be included within the protection domain of invention.
Claims (10)
1. a kind of water-cooling wall biological particles water heater, including supporting support（1）, installed in supporting support（1）On feeding dress
Put and burner hearth, feed pipe one end of feed device are fixedly connected with burner hearth, fire grate is provided with burner hearth（10）, it is characterised in that：
The burner hearth includes being sequentially arranged lower header from bottom to top（9）, water screen tube（10）And top header（11）, the lower header
（9）It is positioned over fire grate（10）Lower section, the lower header（9）With water screen tube（10）It is connected, the water screen tube（10）With
Push up header（11）Connection, the top header（11）Provided with hot water outlet（22）.
2. water-cooling wall biological particles water heater according to claim 1, it is characterised in that：Also include flue gas heat exchange to fill
Put, caused flue gas is discharged by smoke heat replacing device in burner hearth, and the smoke heat replacing device includes heat exchange closed tank
（14）With fume emission part（15）, the fume emission part（15）Being arranged on can be with water-filled heat exchange closed tank（14）
It is interior, the heat exchange closed tank（14）It is provided with normal temperature water inlet（22）, and with the lower header（9）Connection.
3. water-cooling wall biological particles water heater according to claim 1, it is characterised in that：The fume emission part bag
Include interconnected smoke chamber（17）, smoke evacuation be in charge of（18）, smoke explorer（19）, the smoke chamber（17）With burner hearth exhanst gas outlet
（16）Connection, smoke chamber（17）Flue gas by smoke evacuation be in charge of（18）It is flowed to smoke explorer（19）Discharge, exchange heat closed tank
（14）Inner aqueous layer and fume emission part（15）Exchanged heat.
4. water-cooling wall biological particles water heater according to claim 2, it is characterised in that：It is described heat exchange closed tank with
The lower header（11）Pass through pipeline（21）Connection.
5. water-cooling wall biological particles water heater according to claim 1, it is characterised in that：The lower condensate sump（11）For
Circular tube structure.
6. water-cooling wall biological particles water heater according to claim 1, it is characterised in that：The burner hearth bottom is provided with
Between slagging-off（20）, between the slagging-off（20）It is provided with fire grate（10）Lower section, the lower header（11）It is arranged between slagging-off（20）With
Fire grate（10）Between, it is welded and fixed and is scheduled between slagging-off（20）Top.
7. water-cooling wall biological particles water heater according to claim 1, it is characterised in that:The feed device includes sending
Expect motor（2）, feed pipe（3）, feeding extruder（4）, the feed pipe（3）One end is weldingly fixed on furnace wall, the feeding motor
（2）Driving is located at feed pipe（3）Interior feeding extruder（4）Granular fuel is transported to burner hearth.
A kind of 8. water-cooling wall biological particles water heater according to claim 1, it is characterised in that：Also include air-supply dress
Put, the air-supply arrangement includes blower fan（6）, bellows（7）, connection airduct I, connection airduct II, the bellows（7）With blower fan
（6）Connection, the connection airduct I are connected with burner hearth bottom, the connection airduct II and feed pipe（3）Connection, the feed pipe
Front upper place opens up air vent, and air vent is connected with being connected airduct II.
A kind of 9. water-cooling wall biological particles water heater according to claim 1, it is characterised in that：The water cooling of the burner hearth
Wall pipe（12）With top header（13）Outer wall is provided with heat-insulation layer.
A kind of 10. water-cooling wall biological particles water heater according to claim 1, it is characterised in that：The top header
（13）Provided with safety relief valve（26）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828199.0A CN107588541A (en) | 2017-09-14 | 2017-09-14 | A kind of water-cooling wall biological particles water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828199.0A CN107588541A (en) | 2017-09-14 | 2017-09-14 | A kind of water-cooling wall biological particles water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107588541A true CN107588541A (en) | 2018-01-16 |
Family
ID=61051611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710828199.0A Pending CN107588541A (en) | 2017-09-14 | 2017-09-14 | A kind of water-cooling wall biological particles water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN107588541A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076219U (en) * | 1990-09-28 | 1991-05-01 | 北京市海淀区四季青燃气用具厂 | Automatic continuous gas water boiling device |
| US20080276844A1 (en) * | 2007-05-09 | 2008-11-13 | Kenji Yamamoto | Coal boiler and coal boiler combustion method |
| CN201177367Y (en) * | 2008-01-16 | 2009-01-07 | 孙静雷 | Boiler using paddy hull as fuel |
| CN104613465A (en) * | 2015-01-29 | 2015-05-13 | 广州市劲业节能技术有限公司 | Cofiring-type biomass fuel boiler |
| CN105509031A (en) * | 2015-12-30 | 2016-04-20 | 广西节得乐生物质能源科技有限公司 | Combusting and heating boiler for biomass fuel |
| CN207963149U (en) * | 2017-09-14 | 2018-10-12 | 广西节得乐生物质能源科技有限公司 | Water-cooling wall biomass water heater |
-
2017
- 2017-09-14 CN CN201710828199.0A patent/CN107588541A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076219U (en) * | 1990-09-28 | 1991-05-01 | 北京市海淀区四季青燃气用具厂 | Automatic continuous gas water boiling device |
| US20080276844A1 (en) * | 2007-05-09 | 2008-11-13 | Kenji Yamamoto | Coal boiler and coal boiler combustion method |
| CN201177367Y (en) * | 2008-01-16 | 2009-01-07 | 孙静雷 | Boiler using paddy hull as fuel |
| CN104613465A (en) * | 2015-01-29 | 2015-05-13 | 广州市劲业节能技术有限公司 | Cofiring-type biomass fuel boiler |
| CN105509031A (en) * | 2015-12-30 | 2016-04-20 | 广西节得乐生物质能源科技有限公司 | Combusting and heating boiler for biomass fuel |
| CN207963149U (en) * | 2017-09-14 | 2018-10-12 | 广西节得乐生物质能源科技有限公司 | Water-cooling wall biomass water heater |
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Application publication date: 20180116 |
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