CN206929755U - A kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler - Google Patents
A kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler Download PDFInfo
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- CN206929755U CN206929755U CN201720800385.9U CN201720800385U CN206929755U CN 206929755 U CN206929755 U CN 206929755U CN 201720800385 U CN201720800385 U CN 201720800385U CN 206929755 U CN206929755 U CN 206929755U
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Abstract
The utility model discloses a kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler, including shell cylinder, tube sheet, flue, return combustion chamber, front smoke box, rear smoke box, two return smoke pipe, three backhaul smoke pipes, the flue is provided with interval waveform protrusion element, and the two return smoke pipe is helicitic texture；Smoke box is connected through chimney seat with energy-saving appliance after described, the energy-saving appliance includes connected finned tube, the finned tube is connected by the water inlet supervisor on top, circulating pump with water tank inlet, the finned tube is connected by the water outlet main pipe of bottom with backwater boiler, and the backwater boiler is also connected by the first water pump with the water inlet pipe of the shell cylinder.The utility model optimizing structure design, each part compact and reasonable, safe and reliable, aesthetic in appearance, simple to operate, maintenance is convenient；Especially flue promotes fully burning, energy-saving appliance heat transfer efficient, saves space, the utility model is had the good prospect of large-scale industrial application.
Description
Technical field
The utility model belongs to technical field of power equipment, more particularly, to a kind of horizontal three return stroke wet back types fuel oil
Gas-steam boiler.
Background technology
With the development of national economy, to improve living environment, environmental protection and energy-saving and emission-reduction requirement are adapted to, in recent years various shapes
The demand of formula oil-burning gas-fired boiler continues to increase.In the development of fuel-firing gas-firing Industrial Boiler, the fuel oil that China mainly produces fires
The gas Industrial Boiler type of furnace is horizontal three return stroke wet back types fire tube structure, because its is compact-sized, small volume, it is self-contained dispatch from the factory, take up an area less,
Automaticity is high, enterprise and the favor of user is received, using very extensive.But such a boiler is by its structure because being limited,
Boiler thermal output is relatively low, and exhaust gas temperature is higher than saturation temperature, is very uneconomic for boiler.With this boiler type
A wide range of use, the petroleum resources to China causes a certain degree of waste.
The content of the invention
The utility model is in view of the shortcomings of the prior art, there is provided a kind of horizontal three return stroke wet back types fuel-firing gas-firing steam copper
Stove, there is compact-sized reasonable, efficient energy-saving, safe and reliable, maintenance is convenient.
The utility model is achieved by the following technical programs.
A kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler, the steam boiler include shell cylinder, tube sheet, stove
Courage, return combustion chamber, front smoke box, rear smoke box, two return smoke pipe, three backhaul smoke pipes, the flue are provided with interval waveform protrusion element, often
Individual wave heave unit is made up of multiple arcs bulge loop, and the two return smoke pipe is helicitic texture；Smoke box is through chimney seat after described
It is connected with energy-saving appliance, the energy-saving appliance includes connected finned tube, water inlet supervisor of the finned tube by top, circulating pump
It is connected with water tank inlet, the finned tube is connected by the water outlet main pipe of bottom with backwater boiler, and the backwater boiler is also
It is connected by the first water pump with the water inlet pipe of the shell cylinder, peep hole is installed at the back tube sheet of the return combustion chamber.
The utility model part similar with current steam boiler is, the flue, return combustion chamber, two return smoke pipe, three
Backhaul smoke pipe be may be contained within shell cylinder, and flue is horizontally placed in shell cylinder close to bottom, the front tube sheet and flue of return combustion chamber
End connection, front smoke box is arranged at the front tube sheet side of shell cylinder, and rear smoke box is arranged at the back tube sheet side of shell cylinder, two times
Journey smoke pipe, three backhaul smoke pipes are horizontally placed on above flue, and two return smoke pipe is connected with return combustion chamber, front smoke box respectively, three return smokes
Pipe is connected with front smoke box and rear smoke box respectively.The utility model difference with the prior art is embodied in, the waveform of the flue
The design of protrusion element structure is adapted with flame profile well, ensure that burning is abundant, while this configuration reduces flue
Rigidity, reduces distortional stress, securely and reliably；The two return smoke pipe is helicitic texture, adds from return combustion chamber and comes out flue gas
Disturbance, strengthen convection heat transfer' heat-transfer by convection, make the exhaust gas temperature of boiler reduce, the thermal efficiency is high, saving fuel；Meanwhile after return combustion chamber
A peep hole is mounted with tube sheet, facilitates look at the combustion case of boiler flame, ensures safe operation of the boiler and maintenance.
To better conform to combustion flame shape, optimized design, it is preferable that each wave heave unit is by 2 ~ 3 bulge loops
Composition, along the width and adjacent two wave heaves unit of each wave heave unit of the axis direction of flue between spacing phase
Together.
Usual blow-off pipe is directly connected with trench carries out blowdown, it is preferable that the bottom of the shell cylinder passes through blow-off pipe
It is connected with accumulator tank, equipment for separating liquid from solid is additionally provided between the blow-off pipe and accumulator tank；Avoid direct blowdown, pollution environment.
Preferably, the boiler contains up to safety level equipped with alarm cylinder, one or more liquid level gauges, the alarm cylinder
Alarm and lowest safe waterline alarm.When liquid level is too high or too low, alarm cylinder alarm, while the control for passing through steam boiler
System processed control water inlet or draining, combustor are opened or stopped.It is highly preferred that the top of the liquid level gauge is provided with pressurization cleaning dress
Put, periodically liquid level gauge can be rinsed with pressure (hydraulic) water.
Preferably, the liquid level gauge bottom of the shell cylinder is additionally provided with a pot water sampling mouth, and pot water sampling mouth is provided with valve.
Preferably, the exhanst gas outlet of the energy-saving appliance is connected by flue with chimney breast, and the flue gas of the energy-saving appliance goes out
Thermometer is provided with mouthful.Understand smoke temperature, be easy to control the heat exchange amount of energy-saving appliance.
To improve energy-saving appliance operating efficiency, it is preferable that the energy-saving appliance is made up of the multigroup finned tube being parallel to each other,
The water inlet of the finned tube is connected by supervisor of intaking with water tank inlet, and the delivery port of the finned tube passes through water outlet master
Pipe is connected with backwater boiler.
Preferably, the water inlet of the water inlet supervisor or/and the finned tube is equipped with flow controller.
Preferably, the rear smoke box bottom of the steam boiler is additionally provided with a condenser pipe, for collecting condensed water；The condensation
Pipe is connected by a collecting tank, the second water pump with the water tank inlet.
Preferably, the steam boiler top is provided with pressure controller, pressure gauge and safety valve.
Preferably, the control of the flow controller, pressure controller, pressure gauge, liquid level gauge, combustor with steam boiler
System processed is connected.
Compared with prior art, the utility model beneficial effect is：Provide a kind of horizontal three return stroke wet back types fuel oil
Gas-steam boiler, optimizing structure design, each part compact and reasonable, safe and reliable, aesthetic in appearance, simple to operate, maintenance is convenient,
Especially flue promotes fully burning, threaded flue to strengthen convection heat transfer' heat-transfer by convection, energy-saving appliance heat transfer efficient, saves space, makes this practicality
The new good prospect for having large-scale industrial application.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model steam boiler.
Fig. 2 is the side structure schematic diagram of the utility model steam boiler main body.
In figure：1st, flue；101st, arc bulge loop；2nd, return combustion chamber；3rd, front smoke box；4th, rear smoke box；5th, two return smoke pipe；6th, three
Backhaul smoke pipe；7th, chimney seat；8th, energy-saving appliance；801st, water inlet supervisor；802nd, water outlet main pipe；9th, water tank inlet；901st, circulating pump；
10th, backwater boiler；110th, the first water pump；11st, thermometer；12nd, blow-off pipe；13rd, liquid level gauge；131st, alarm cylinder；14th, pot water takes
Sample mouth；15th, shell cylinder.
Embodiment
Clear, complete description is carried out to the technical scheme of various embodiments of the utility model below with reference to accompanying drawing, it is clear that
Described embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.It is new based on this practicality
The embodiment of type, those of ordinary skill in the art's all other implementation resulting on the premise of creative work is not made
Example, belongs to the scope that the utility model is protected.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
Embodiment 1
As shown in figure 1, a kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler, the steam boiler include shell cylinder
Body 15, tube sheet, flue 1, return combustion chamber 2, front smoke box 3, rear smoke box 4, two return smoke pipe 5, three backhaul smoke pipes 6, the flue of flue 1
Provided with interval waveform protrusion element, each wave heave unit is made up of two arc bulge loops 101 in the present embodiment, protrusion direction
Towards the axis inside flue, along width and adjacent two wave heave of each wave heave unit of the axis direction of flue 1
Spacing between unit is identical, better conforms to the burn profile of flame.The two return smoke pipe 5 is helicitic texture, three return smokes
The inwall of pipe 6 is smooth surface structure；Smoke box 4 is connected through chimney seat 7 with energy-saving appliance 8 after described, and the exhanst gas outlet of the energy-saving appliance 8 passes through
Flue is connected with chimney breast, and the smoke outlet of the energy-saving appliance 8 is provided with thermometer 11, understands smoke temperature, is easy to
Control the heat exchange amount of energy-saving appliance 8.The energy-saving appliance 8 is made up of the multigroup finned tube being parallel to each other, and the finned tube enters
The mouth of a river is connected by the water inlet supervisor 801 on top, circulating pump 901 with water tank inlet 9, and the delivery port of the finned tube passes through
The water outlet main pipe 802 of bottom is connected with backwater boiler 10, and the water inlet supervisor 801 passes through circulating pump 901 and the phase of water tank inlet 9
Even.The backwater boiler 10 is also connected by the first water pump 110 with the water inlet pipe of the shell cylinder 15, the return combustion chamber 2
Back tube sheet at peep hole is installed, be advantageous to the safe operation and maintenance of boiler.The water inlet supervisor 801 and the finned tube
Water inlet be equipped with flow controller, the flow controller is connected with the control system of steam boiler, it is described control system
System uses existing electric control gear.The bottom of the shell cylinder 15 is connected by blow-off pipe 12 with accumulator tank, the blow-off pipe 12
Equipment for separating liquid from solid is additionally provided between accumulator tank, avoids direct blowdown pollution environment.
Operation principle of the present utility model is substantially similar with current steam boiler：After combustor burning, flue gas in flue
Into return combustion chamber 2, two return smoke pipe 5, front smoke box 3, three backhaul smoke pipes 6, rear smoke box 4 are then sequentially entered, then enter through chimney seat 7
Enter energy-saving appliance 8, be most discharged into air through chimney afterwards.The present embodiment is exchanged heat by energy-saving appliance 8 and water is heated, the water warp after being heated up
Backwater boiler 10 is pumped into boiler again；The design of the wave heave cellular construction of flue 1 is adapted with flame profile well,
It ensure that burning is abundant, boiler reclaimed water is brought rapidly up, vaporized, while this configuration reduces the rigidity of flue 1, reducing deformation should
Power, securely and reliably；The two return smoke pipe 5 is helicitic texture, adds the disturbance that flue gas is come out from return combustion chamber 2, strengthens convection current
Heat transfer, makes the exhaust gas temperature of boiler reduce, and the thermal efficiency is high, saves fuel.
Embodiment 2
As shown in Fig. 2 the present embodiment and the difference of embodiment 1 are, the shell cylinder 15 is equipped with alarm cylinder 131, one
Individual or multiple liquid level gauges 13, the alarm cylinder 131 also contain up to safety level alarm and lowest safe waterline alarm；Work as liquid level
When too high or too low, control system alarm, while open or stop by the control system of steam boiler control water inlet, combustor.
The bottom of liquid level gauge 13 of the shell cylinder 15 is additionally provided with a pot water sampling mouth 14, and pot water sampling mouth 14 is provided with valve.
The tube sheet of the present embodiment uses sheet material Q245R-GB713, and two return smoke pipe 5, three backhaul smoke pipes use tubing 20-
GB/T8163, flow controller, pressure controller, pressure gauge, combustor, water pump（First water pump 110 and circulating pump 901）, liquid
Position 13 grades of meter are connected with the control system of steam boiler, by control system by manually or by pre-set programs automatically controlling, accord with
Close the relevant code of national boiler safety control.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, either to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment
Technical scheme.
Claims (8)
1. a kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler, the steam boiler include shell cylinder, tube sheet, stove
Courage, return combustion chamber, front smoke box, rear smoke box, two return smoke pipe, three backhaul smoke pipes, it is characterised in that the flue is provided with interval waveform
Protrusion element, each wave heave unit are made up of multiple arcs bulge loop, and the two return smoke pipe is helicitic texture；Cigarette after described
Case is connected through chimney seat with energy-saving appliance, and the energy-saving appliance includes connected finned tube, the water inlet that the finned tube passes through top
Supervisor, circulating pump are connected with water tank inlet, and the finned tube is connected by the water outlet main pipe of bottom with backwater boiler, described time
Hydro-thermal water tank is also connected by the first water pump with the water inlet pipe of the shell cylinder, and sight is provided with the back tube sheet of the return combustion chamber
Examine hole.
2. the horizontal three return stroke wet back types fuel-firing gas-firing steam boiler of one kind according to claim 1, it is characterised in that each
Wave heave unit is made up of 2 ~ 3 bulge loops, along width and adjacent two ripple of each wave heave unit of the axis direction of flue
Spacing between shape protrusion element is identical.
3. the horizontal three return stroke wet back types fuel-firing gas-firing steam boiler of one kind according to claim 1, it is characterised in that described
The bottom of shell cylinder is connected by blow-off pipe with accumulator tank, and separation of solid and liquid dress is additionally provided between the blow-off pipe and accumulator tank
Put.
4. the horizontal three return stroke wet back types fuel-firing gas-firing steam boiler of one kind according to claim 1, it is characterised in that described
Boiler contains up to safety level alarm and minimum safe water equipped with alarm cylinder, one or more liquid level gauges, the alarm cylinder
Level alarm.
5. the horizontal three return stroke wet back types fuel-firing gas-firing steam boiler of one kind according to claim 4, it is characterised in that described
The liquid level gauge bottom of shell cylinder is additionally provided with a pot water sampling mouth, and pot water sampling mouth is provided with valve.
6. the horizontal three return stroke wet back types fuel-firing gas-firing steam boiler of one kind according to claim 1, it is characterised in that described
The exhanst gas outlet of energy-saving appliance is connected by flue with chimney breast, and the smoke outlet of the energy-saving appliance is provided with thermometer.
7. the horizontal three return stroke wet back types fuel-firing gas-firing steam boiler of one kind according to claim 6, it is characterised in that described
Energy-saving appliance is made up of the multigroup finned tube being parallel to each other, and the water inlet of the finned tube passes through supervisor and the water inlet water of intaking
Case is connected, and the delivery port of the finned tube is connected by water outlet main pipe with backwater boiler.
8. the horizontal three return stroke wet back types fuel-firing gas-firing steam boiler of one kind according to claim 7, it is characterised in that described
The water inlet of water inlet supervisor or/and the finned tube is equipped with flow controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800385.9U CN206929755U (en) | 2017-07-04 | 2017-07-04 | A kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800385.9U CN206929755U (en) | 2017-07-04 | 2017-07-04 | A kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler |
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| Publication Number | Publication Date |
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| CN206929755U true CN206929755U (en) | 2018-01-26 |
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| CN201720800385.9U Active CN206929755U (en) | 2017-07-04 | 2017-07-04 | A kind of horizontal three return stroke wet back types fuel-firing gas-firing steam boiler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895426A (en) * | 2018-08-07 | 2018-11-27 | 淮北市向阳锅炉厂 | A kind of more backhaul gas fired-boilers |
| CN109442369A (en) * | 2018-11-07 | 2019-03-08 | 李星瑶 | A kind of energy conservation and environmental protection steam boiler for dual purpose |
| CN109654736A (en) * | 2018-12-10 | 2019-04-19 | 河北宏龙环保科技有限公司 | It is horizontal coal-fired to change gas fired-boiler |
| CN112113239A (en) * | 2020-09-11 | 2020-12-22 | 濮阳市盛源石油化工（集团）有限公司 | Low-nitrogen boiler for removing return air condensate water |
| CN113294766A (en) * | 2021-06-18 | 2021-08-24 | 江苏创盛锅炉有限公司 | Energy-saving steam boiler |
-
2017
- 2017-07-04 CN CN201720800385.9U patent/CN206929755U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895426A (en) * | 2018-08-07 | 2018-11-27 | 淮北市向阳锅炉厂 | A kind of more backhaul gas fired-boilers |
| CN109442369A (en) * | 2018-11-07 | 2019-03-08 | 李星瑶 | A kind of energy conservation and environmental protection steam boiler for dual purpose |
| CN109442369B (en) * | 2018-11-07 | 2020-04-24 | 青岛冠宝林活性炭有限公司 | Energy-saving environment-friendly water-steam dual-purpose boiler |
| CN109654736A (en) * | 2018-12-10 | 2019-04-19 | 河北宏龙环保科技有限公司 | It is horizontal coal-fired to change gas fired-boiler |
| CN112113239A (en) * | 2020-09-11 | 2020-12-22 | 濮阳市盛源石油化工（集团）有限公司 | Low-nitrogen boiler for removing return air condensate water |
| CN113294766A (en) * | 2021-06-18 | 2021-08-24 | 江苏创盛锅炉有限公司 | Energy-saving steam boiler |
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