CN105972818A - Boiler with secondary air flue structure - Google Patents
Boiler with secondary air flue structure Download PDFInfo
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- CN105972818A CN105972818A CN201610528351.9A CN201610528351A CN105972818A CN 105972818 A CN105972818 A CN 105972818A CN 201610528351 A CN201610528351 A CN 201610528351A CN 105972818 A CN105972818 A CN 105972818A
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- Prior art keywords
- secondary air
- pipe
- boiler
- arranges
- water inlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
- F23L1/02—Passages or apertures for delivering primary air for combustion by discharging the air below the fire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
- F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air above the fire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Abstract
The invention provides a boiler with a secondary air flue structure. The boiler solves the technical problem that existing fuel is not sufficiently combusted. The boiler with the secondary air flue structure comprises a lower boiler body internally provided with a combustion cavity. A primary air flue structure is arranged at the lower portion of the combustion cavity. The primary air flue structure comprises a plurality of primary air pipes. The primary air pipes are arranged at the position of the lower portion of the combustion cavity. One end of each primary air pipe is a primary air inlet end. A plurality of first air outlet holes are formed in the upper pipe wall of each primary air pipe. The secondary air flue structure is arranged above the primary air pipes and comprises a secondary air inlet header pipe and a plurality of secondary air inlet branch pipes. One end of each secondary air inlet header pipe is a secondary air inlet end. A plurality of connecting holes are formed in the pipe wall of the secondary air inlet header pipe. One ends of the secondary air inlet branch pipes are fixed to the hole wall positions of the connecting holes. The lower boiler body is provided with a plurality of installing holes. The secondary air inlet branch pipes penetrate the installing holes, and the other ends of the secondary air inlet branch pipes communicate with the combustion cavity. The boiler has the beneficial effect that fuel is sufficiently combusted.
Description
Technical field
The invention belongs to boiler technology field, relate to a kind of boiler, the boiler of a kind of band secondary air duct structure.
Background technology
Boiler is that the heat energy utilizing fuel or other energy is heated as the plant equipment of hot water or steam water.The original meaning of pot refers to the water container of heating on fire, and stove refers to the place of burning fuel, and boiler includes pot and stove two large divisions.In boiler produce hot water or steam can directly for commercial production and people's lives offer required for heat energy, it is possible to be converted to mechanical energy by Steam Power Equipment.But existing boiler occurs that imperfect combustion fuel is gone out along with air outlet, causes insufficient waste fuel that burns.
A kind of boiler [the patent No.: ZL 201310565532.5 is disclosed through retrieval, such as Chinese patent literature;Authorization Notice No.: CN 103557588 A].nullThis boiler,It includes the body of heater with cavity,The cavity of body of heater includes the first reservoir chamber the most successively、Second reservoir chamber and combustor,Body of heater offers the first inlet opening that the first reservoir chamber with body of heater is connected,Body of heater offers the apopore being connected with body of heater the second reservoir chamber,It is connected by the second inlet opening between first reservoir chamber and the second reservoir chamber,Burner element it is provided with in combustor,Boiler also includes being transferred to the first reservoir chamber and the heat transfer piece of the second reservoir chamber for the heat sent by burner element,Heat transfer piece include many first add heat pipe and at least one second add heat pipe,First adds heat pipe and second adds heat pipe and is connected and arranges in meandering shape,Second internal diameter adding heat pipe adds heat pipe more than first,First adds heat pipe and second adds that heat pipe is at least part of is positioned at the first reservoir chamber or the second reservoir chamber,Second adds heat pipe is close to the outer wall of the second reservoir chamber.But, easily there is the situation that combustion chambers burn is insufficient in this boiler only one of which air vent.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that the boiler of a kind of band secondary air duct structure, the boiler of this band secondary air duct structure has the feature of the dyestuff that fully burns.
The purpose of the present invention can be realized by following technical proposal:
As shown in Figure 1, boiler with secondary air duct structure, there is the lower furnace body of combustion chamber including inside, lower furnace body top has flare outlet, it is characterized in that, lower furnace body is fixed with upper furnace body, the bottom of upper furnace body is in flare outlet, an air channel structure it is provided with in combustion chamber bottom, one time air channel structure includes some primary air piping, primary air piping is set in parallel at combustion chamber bottom, primary air piping one end is an air intake, the primary air piping other end is closed, some first exhaust vents are offered on the upper tube wall of primary air piping, one time air intake is connected by the first ajutage and the first blast pump;Above primary air piping, place is provided with secondary air duct structure, secondary air duct structure includes secondary air house steward and some secondary air arms, secondary air house steward one end is secondary air end, secondary air house steward's other end is closed, secondary air end is connected by the second ajutage and the second blast pump, some connecting holes are offered on the tube wall of secondary air house steward, the quantity of connecting hole is identical with the quantity of secondary air arm, secondary air arm one end is fixed at the hole wall of connecting hole, some installing holes are offered on described lower furnace body, described secondary air arm is located in installing hole, the other end of secondary air arm is connected with combustion chamber.
When fuel burns at combustion chamber, first, starting the first blast pump, air flows to primary air piping by the first blast pump from the first ajutage, and air flows out along with the first exhaust vent of primary air piping, and air flowing has combustion-supporting effect to the fuel in combustion chamber;Simultaneously, start the second blast pump, air flows to secondary air house steward by the second blast pump from secondary air end, secondly, air flows to secondary air arm from secondary air house steward, the air of secondary air arm enters combustion chamber from top to down, prevents imperfect combustion fuel from being taken out of lower furnace body together by the air in primary air piping, thus realizes the function of fully burning fuel.
The hole depth of described installing hole is more than the length of secondary air arm, and described installing hole is obliquely installed, and this one end that secondary air arm is connected with combustion chamber is low side, and the other end of secondary air arm is high-end.By being obliquely installed installing hole, making the air of secondary air arm enter combustion chamber from top to down, air has downward pressure to combustion chamber, so that unburned fuel cannot be taken away by the air of primary air piping, it is achieved the purpose of full combustion of fuel.
Described primary air piping uses fire proofing material to make.Fire proofing material includes the glass fabric that do not fires and fire-resistant silica-gel coating, can be high temperature resistant up to 300-800 DEG C, will not burn completely.
It is also associated with equalizing reservoir on described upper furnace body, described equalizing reservoir includes cylinder, described inner barrel has liquid storage cylinder, dividing plate is set in described liquid storage cylinder and is divided into upper chamber and lower chambers, on described dividing plate, communicating pipe is set, described communicating pipe is positioned at upper chamber, described communicating pipe is connected with upper chamber by top opening, the bottom of described communicating pipe is connected with lower chambers by base opening after running through dividing plate, the top of described cylinder arranges water inlet pipe, the bottom of described cylinder arranges lower water inlet pipe, upper water inlet pipe is connected with the top of upper furnace body, lower water inlet pipe is connected with the bottom of upper furnace body, described enterprising cross current upper chamber, described lower water inlet pipe connection lower chambers;The sidepiece of described cylinder arranges low-pressure drainage pipe, described low-pressure drainage pipe connects upper chamber, on the outer spout of described low-pressure drainage pipe, the first three-way valve is set, two other valve port of described first three-way valve connects drain pipe respectively, low pressure sensor, the bottom of described cylinder arranges High Pressure Drain pipe, described High Pressure Drain pipe connection lower chambers, on the outer spout of described High Pressure Drain pipe, the second three-way valve is set, two other valve port of described second three-way valve connects drain pipe respectively, high pressure sensor, described low pressure sensor and high pressure sensor all connect controller by circuit;Slide guide face is set on the inwall of described cylinder, the periphery of described dividing plate arranges slip edge, and the both sides on described slip edge are all pasted with sealing joint strip, and the outside of described cylinder arranges drive mechanism, described drive mechanism connects aforementioned barriers, and described drive mechanism connects controller noted above by circuit.
Upper water inlet pipe and lower water inlet pipe all with the inner space of upper furnace body, make the water in upper furnace body by upper water inlet pipe and/or lower water inlet pipe inflow cylinder.Utilize coordinating of drive mechanism and Sliding Structures, dividing plate can be moved along the length direction of cylinder, and then change upper chamber and the volume of lower chambers, change the height and position of communicating pipe simultaneously, so that a set of equalizing reservoir can be according to connecting the different size of boiler or different requirement, it is achieved flexible function.
Described communicating pipe is telescoping tube, and the stage casing of described telescoping tube has bellows piece, and described telescoping tube is connected described controller by lifting assembly drive connection, described lifting assembly by circuit, and the extreme position that raises of described telescoping tube is less than the position of described upper water inlet pipe.Realize the length adjustment of communicating pipe by arranging telescoping tube, in the case of partition position is motionless, thus carries out the regulation of communicating pipe height.
Described communicating pipe is telescoping tube, described telescoping tube includes the single-unit body that some joints are socketed successively, described telescoping tube is connected described controller by lifting assembly drive connection, described lifting assembly by circuit, and the extreme position that raises of described telescoping tube is less than the position of described upper water inlet pipe.Realize the length adjustment of communicating pipe by arranging telescoping tube, in the case of partition position is motionless, thus carries out the regulation of communicating pipe height.
Described drive mechanism includes that telescopic cylinder, the telescopic shaft of described telescopic cylinder are connected gear frame, and described gear frame is connected described dividing plate by least drive link.
Described drive mechanism includes rotary electric machine, the output shaft connection reducer of described rotary electric machine, sheathed gear on the output shaft of described decelerator, and the engagement of described wheel and rack connects, and the end of described tooth bar is connected described dividing plate by drive link.
Upper limit block and lower limit block are set on the inwall of described cylinder, described upper limit block is positioned at the lower section of low-pressure drainage pipe, described lower limit block is positioned at the top of lower water inlet pipe, and the straight skidding stroke of described dividing plate is between upper limit block and lower limit block.Limited by the position of upper limit block and lower limit block, to determine the range of activity of dividing plate, while realizing changing cavity volume and position height, it is ensured that low-pressure drainage pipe connects upper chamber, lower water inlet pipe connection lower chambers.
Described cylinder includes that stack shell cylindrically, the end face of described stack shell arrange upper end cover, and described upper end cover arranges screw, and the bottom surface of described stack shell arranges bottom end cover, and described lower drain pipe runs through above-mentioned bottom end cover.
Compared with prior art, the boiler of this band secondary air duct structure has the advantage that
1, the present invention is by arranging secondary air duct structure, makes air flow to combustion chamber from top to down from secondary air house steward, and the air preventing unburned fuel from being come in by air channel successively is taken away, and has the advantage making full combustion of fuel.
2, by adjusting the connectivity structure of dual chamber, and load cell is set on the drain pipe of each chamber, under the different situations of water level, thus carry out high and low pressure monitoring, record hydraulic pressure is dynamic meanwhile, it is capable to effectively monitoring water level is too low or too high situation carry out warning and remind.
3, by the removable characteristic of dividing plate, it is achieved the adjustability that cylinder lumen separates, the most only corresponding adjustment can be carried out for different boiler types, to adapt to required degree of balance requirement with a set of equipment.
The features such as 4, the present invention has simple in construction, and effect is the most reliable, and flexible degree is big, and the suitability is extensive.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure, 1, lower furnace body;1a, combustion chamber;1b, flare export;1c, installing hole;2, upper furnace body;3, primary air piping;4, the first blast pump;5, the first ajutage;6, the first exhaust vent;7, secondary air house steward;8, the second blast pump;9, the second ajutage;10, secondary air arm;11, screw;12, upper end cover;13, cylinder;14, communicating pipe;15, low-pressure drainage pipe;16, upper water inlet pipe;17, dividing plate;18, lower water inlet pipe;19, bottom end cover;20, High Pressure Drain pipe.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
Boiler with secondary air duct structure, there is the lower furnace body 1 of combustion chamber 1a including inside, lower furnace body 1 top has flare outlet 1b, being fixed with upper furnace body 2 on lower furnace body 1, the bottom of upper furnace body 2 is in flare outlet 1b, and combustion chamber 1a bottom is provided with an air channel structure, one time air channel structure includes some primary air piping 3, primary air piping 3 uses the glass fabric not fired to make with fire-resistant silica-gel coating, can be high temperature resistant up to 300-800 DEG C, will not burn completely;Primary air piping 3 is set in parallel at combustion chamber 1a bottom, primary air piping 3 one end is an air intake, primary air piping 3 other end uses the closed with covers matched, offering some first exhaust vents 6 on the upper tube wall of primary air piping 3, one time air intake is connected with the first blast pump 4 by the first ajutage 5;nullAbove primary air piping 3, place is provided with secondary air duct structure,Secondary air duct structure includes secondary air house steward 7 and some secondary air arms 10,Secondary air house steward 7 one end is secondary air end,Secondary air house steward 7 other end uses the closed with covers matched,Secondary air end is connected with the second blast pump 8 by the second ajutage 9,Six connecting holes are offered on the tube wall of secondary air house steward 7,The quantity of secondary air arm 10 is six,Secondary air arm 10 one end is fixed at the hole wall of connecting hole,Four installing hole 1c are offered on lower furnace body 1,The hole depth of installing hole 1c is more than the length of secondary air arm 10,In the present embodiment,The hole depth of installing hole 1c is 20cm,The a length of 10cm of secondary air arm 10,Installing hole 1c is obliquely installed,This one end that secondary air arm 10 is connected with combustion chamber 1a is low side,The other end of secondary air arm 10 is high-end.By being obliquely installed installing hole 1c, making the air of secondary air arm 10 enter combustion chamber 1a from top to down, air has downward pressure to combustion chamber 1a, so that unburned fuel cannot be taken away by the air of primary air piping 3, it is achieved the purpose of full combustion of fuel.Secondary air arm 10 is located in installing hole 1c, and the other end of secondary air arm 10 is connected with combustion chamber 1a.
Equalizing reservoir, including cylinder 13, cylinder 13 is internal has liquid storage cylinder, dividing plate 17 is set in liquid storage cylinder and is divided into upper chamber and lower chambers, communicating pipe 14 is set on dividing plate 17, communicating pipe 14 is positioned at upper chamber, communicating pipe 14 is connected with upper chamber by top opening, the bottom of communicating pipe 14 is connected with lower chambers by base opening after running through dividing plate 17, the top of cylinder 13 arranges water inlet pipe 16, the bottom of cylinder 13 arranges lower water inlet pipe 18, upper water inlet pipe 16 is connected by welding manner with the top of upper furnace body 2, lower water inlet pipe 18 is connected by welding manner with the bottom of upper furnace body 2, upper water inlet pipe 16 connects upper chamber, lower water inlet pipe 18 connects lower chambers;The sidepiece of cylinder 13 arranges low-pressure drainage pipe 15, low-pressure drainage pipe 15 connects upper chamber, first three-way valve is set on the outer spout of low-pressure drainage pipe 15, two other valve port of first three-way valve connects drain pipe, low pressure sensor respectively, the bottom of cylinder 13 arranges High Pressure Drain pipe 20, High Pressure Drain pipe 20 connects lower chambers, second three-way valve is set on the outer spout of High Pressure Drain pipe 20, two other valve port of second three-way valve connects drain pipe, high pressure sensor, low pressure sensor and high pressure sensor respectively and all connects controller by circuit;Arranging slide guide face on the inwall of cylinder 13, the periphery of dividing plate 17 arranges slip edge, and the both sides on slip edge are all pasted with sealing joint strip, and the outside of cylinder 13 arranges drive mechanism, and drive mechanism connecting partition 17, drive mechanism connects controller by circuit.
In equalizing reservoir, upper water inlet pipe 16 and lower water inlet pipe 18 all with the inner space of boiler, make the water in boiler be flowed in cylinder 13 by upper water inlet pipe 16 and/or lower water inlet pipe 18.Utilize coordinating of drive mechanism and Sliding Structures, dividing plate 17 can be moved along the length direction of cylinder 13, and then change upper chamber and the volume of lower chambers, change the height and position of communicating pipe 14 simultaneously, so that a set of equalizing reservoir can be according to connecting the different size of boiler or different requirement, it is achieved flexible function.
The structure of communicating pipe 14 has two kinds of embodiments:
Embodiment one: communicating pipe 14 is telescoping tube, the stage casing of telescoping tube has bellows piece, and telescoping tube is connected controller by lifting assembly drive connection, lifting assembly by circuit, and the extreme position that raises of telescoping tube is less than the position of upper water inlet pipe 16.Realize the length adjustment of communicating pipe 14 by arranging telescoping tube, in the case of dividing plate 17 position is motionless, thus carries out the regulation of communicating pipe 14 height.
Embodiment two: communicating pipe 14 is telescoping tube, telescoping tube includes the single-unit body that some joints are socketed successively, and telescoping tube is connected controller by lifting assembly drive connection, lifting assembly by circuit, and the extreme position that raises of telescoping tube is less than the position of upper water inlet pipe 16.Realize the length adjustment of communicating pipe 14 by arranging telescoping tube, in the case of dividing plate 17 position is motionless, thus carries out the regulation of communicating pipe 14 height.
Drive mechanism has two kinds of embodiments:
Embodiment one: drive mechanism includes telescopic cylinder, the telescopic shaft of telescopic cylinder is connected gear frame, and gear frame is connected dividing plate 17 by least drive link.
Embodiment two: drive mechanism includes rotary electric machine, the output shaft connection reducer of rotary electric machine, sheathed gear on the output shaft of decelerator, wheel and rack engagement connects, and the end of tooth bar is connected dividing plate 17 by drive link.
Arranging upper limit block and lower limit block on the inwall of cylinder 13, upper limit block is positioned at the lower section of low-pressure drainage pipe 15, and lower limit block is positioned at the top of lower water inlet pipe 18, and the straight skidding stroke of dividing plate 17 is between upper limit block and lower limit block.Limited by the position of upper limit block and lower limit block, to determine the range of activity of dividing plate 17, while realizing changing cavity volume and position height, it is ensured that low-pressure drainage pipe 15 connects upper chamber, and lower water inlet pipe 18 connects lower chambers.
Cylinder 13 includes stack shell cylindrically, and the end face of stack shell arranges upper end cover 12, and upper end cover 12 arranges screw 11, and the bottom surface of stack shell arranges bottom end cover 19, and lower drain pipe runs through bottom end cover 19.
Upper water inlet pipe 16 is respectively provided with assembly flange on the mouth of pipe of lower water inlet pipe 18, and the junction of assembly flange is sticked sealing ring.Make upper water inlet pipe 16, lower water inlet pipe 18 realize connecting installation with boiler by assembly flange, and utilize sealing ring to realize being tightly connected.
Generally speaking the boiler operation principle of band secondary air duct structure is such, when fuel burns at combustion chamber 1a, first, start the first blast pump 4, air flows to primary air piping 3 by the first blast pump 4 from the first ajutage 5, air flows out along with the first exhaust vent 6 of primary air piping 3, and air flowing has combustion-supporting effect to the fuel in combustion chamber 1a;Simultaneously, start the second blast pump 8, air flows to secondary air house steward 7 by the second blast pump 8 from secondary air end, secondly, air flows to secondary air arm 10 from secondary air house steward 7, the air of secondary air arm 10 enters combustion chamber 1a from top to down, prevents imperfect combustion fuel from being taken out of lower furnace body 1 together by the air in primary air piping 3, thus realizes the function of fully burning fuel.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing lower furnace body 1;Combustion chamber 1a;Flare outlet 1b;Installing hole 1c;Upper furnace body 2;Primary air piping 3;First blast pump 4;First ajutage 5;First exhaust vent 6;Secondary air house steward 7;Second blast pump 8;Second ajutage 9;Secondary air arm 10;Screw 11;Upper end cover 12;, cylinder 13;Communicating pipe 14;Low-pressure drainage pipe 15;Upper water inlet pipe 16;Dividing plate 17;Lower water inlet pipe 18;Bottom end cover 19;High Pressure Drain pipe 20 term such as grade, but it is not precluded from using the probability of other term.Use these terms to be only used to more easily to describe and explain the essence of the present invention;It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (10)
1. the boiler of band secondary air duct structure, has the lower furnace body of combustion chamber including inside,
Lower furnace body top has flare outlet, it is characterised in that stove on being fixed with on lower furnace body
Body, the bottom of upper furnace body is in flare outlet, combustion chamber bottom is provided with First air
Road structure, one time air channel structure includes some primary air piping, and primary air piping be arranged in parallel
At combustion chamber bottom, primary air piping one end is an air intake, the primary air piping other end
Close, the upper tube wall of primary air piping offers some first exhaust vents, an air intake
It is connected by the first ajutage and the first blast pump;Above primary air piping, place is provided with
Secondary air duct structure, secondary air duct structure includes that secondary air house steward and some secondaries enter
Wind arm, secondary air house steward one end is secondary air end, secondary air house steward's other end
Closing, secondary air end is connected by the second ajutage and the second blast pump, and secondary enters
Offering some connecting holes on the tube wall of wind house steward, the quantity of connecting hole is propped up with secondary air
The quantity of pipe is identical, and secondary air arm one end is fixed at the hole wall of connecting hole, described
Lower furnace body on offer some installing holes, described secondary air arm is located in installation
Kong Zhong, the other end of secondary air arm is connected with combustion chamber.
The boiler of band secondary air duct structure the most according to claim 1, its feature exists
In, the hole depth of described installing hole is more than the length of secondary air arm, described installing hole
Being obliquely installed, this one end that secondary air arm is connected with combustion chamber is low side, secondary
The other end of air intake arm is high-end.
The boiler of band secondary air duct structure the most according to claim 1, its feature exists
In, described primary air piping uses fire proofing material to make.
The boiler of band secondary air duct structure the most according to claim 1, its feature exists
In, described upper furnace body is also associated with equalizing reservoir, described equalizing reservoir includes cylinder,
Described inner barrel has liquid storage cylinder, arranges dividing plate and be divided in described liquid storage cylinder
Chamber and lower chambers, described dividing plate arranges communicating pipe, described communicating pipe is positioned at upper chamber
In, described communicating pipe is connected with upper chamber by top opening, and the bottom of described communicating pipe is run through
Being connected with lower chambers by base opening after dividing plate, the top of described cylinder arranges water inlet pipe,
The bottom of described cylinder arranges lower water inlet pipe, and upper water inlet pipe is connected with the top of upper furnace body,
Lower water inlet pipe is connected with the bottom of upper furnace body, described enterprising cross current upper chamber, institute
State lower water inlet pipe connection lower chambers;The sidepiece of described cylinder arranges low-pressure drainage pipe, described
Low-pressure drainage pipe connects upper chamber, and the outer spout of described low-pressure drainage pipe arranges the one or three
Logical valve, two other valve port of described first three-way valve connects drain pipe respectively, low pressure passes
Sensor, the bottom of described cylinder arranges High Pressure Drain pipe, under the connection of described High Pressure Drain pipe
Chamber, the outer spout of described High Pressure Drain pipe arranges the second three-way valve, and the described 2nd 3
Two other valve port of logical valve connects drain pipe, high pressure sensor respectively, and described low pressure passes
Sensor and high pressure sensor all connect controller by circuit;Set on the inwall of described cylinder
Putting slide guide face, the periphery of described dividing plate arranges slip edge, and the both sides on described slip edge are all pasted
With sealing joint strip, the outside of described cylinder arranges drive mechanism, and described drive mechanism is even
Connecing aforementioned barriers, described drive mechanism connects controller noted above by circuit.
The boiler of band secondary air duct structure the most according to claim 4, its feature exists
In, described communicating pipe is telescoping tube, and the stage casing of described telescoping tube has bellows piece, institute
State telescoping tube and connected by circuit described by lifting assembly drive connection, described lifting assembly
Controller, the extreme position that raises of described telescoping tube is less than the position of described upper water inlet pipe.
The boiler of band secondary air duct structure the most according to claim 4, its feature exists
In, described communicating pipe is telescoping tube, and described telescoping tube includes the list that some joints are socketed successively
Pipe joint body, described telescoping tube is by lifting assembly drive connection, and described lifting assembly is by electricity
Road connects described controller, and the rising extreme position of described telescoping tube is less than described upper water inlet
The position of pipe.
The boiler of band secondary air duct structure the most according to claim 4, its feature exists
In, described drive mechanism includes telescopic cylinder, and the telescopic shaft of described telescopic cylinder is connected and passes
Moving frame, described gear frame is connected described dividing plate by least drive link.
The boiler of band secondary air duct structure the most according to claim 4, its feature exists
In, described drive mechanism includes rotary electric machine, and the output shaft connection of described rotary electric machine subtracts
Speed device, sheathed gear on the output shaft of described decelerator, the engagement of described wheel and rack is even
Connecing, the end of described tooth bar is connected described dividing plate by drive link.
The boiler of band secondary air duct structure the most according to claim 4, its feature exists
In, the inwall of described cylinder arranges upper limit block and lower limit block, the described upper limit
Position block is positioned at the lower section of low-pressure drainage pipe, and described lower limit block is positioned at lower water inlet pipe
Top, the straight skidding stroke of described dividing plate be positioned at upper limit block and lower limit block it
Between.
The boiler of band secondary air duct structure the most according to claim 4, its feature
Being, described cylinder includes that stack shell cylindrically, the end face of described stack shell arrange upper end
Lid, described upper end cover arranges screw, and the bottom surface of described stack shell arranges bottom end cover, described
Lower drain pipe runs through above-mentioned bottom end cover.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107477566A (en) * | 2017-09-28 | 2017-12-15 | 安徽辰瑞达农业设备有限公司 | Fuel homogenizer and combustion furnace system |
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