CN208606154U - A kind of vertical four pass boiler - Google Patents
A kind of vertical four pass boiler Download PDFInfo
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- CN208606154U CN208606154U CN201821093317.4U CN201821093317U CN208606154U CN 208606154 U CN208606154 U CN 208606154U CN 201821093317 U CN201821093317 U CN 201821093317U CN 208606154 U CN208606154 U CN 208606154U
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Abstract
The utility model relates to steam boiler fields, specifically a kind of vertical four pass boiler, including pedestal, boiler barrel, flue, water inlet, main-steam outlet, combustor interface, smoke exhaust pipe, the first upper smoke box and the second upper smoke box are sequentially installed with inside boiler barrel from bottom to up, boiler barrel interior lower end is equipped with lower smoke-box, flue is connected to the first upper smoke box by threaded flue, more first smoke pipes and the second smoke pipe are equipped in the outer boiler barrel of flue, first smoke pipe one end is connected to the first upper smoke box, other end is connected to lower smoke-box, second smoke pipe one end is connected to smoke-box on second, other end is connected to lower smoke-box, horizontal water tube is installed in first upper smoke box, horizontal water tube both ends are pierced by the first upper smoke box respectively.The utility model passes through the round-trip heat exchange of four backhauls, reduces the exhaust gas temperature of boiler tail and the smoke content of flue gas, the advantage that design is reasonable, the thermal efficiency is high, smoke medicining dust-removing effect is good.
Description
Technical field
The utility model relates to steam boiler field, in particular to a kind of vertical four pass boilers.
Background technique
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy, high-temperature flue gas in fuel
The forms such as thermal energy, and pass through boiler and convert, output has steam, high-temperature water or the organic heat carrier of certain thermal energy outward.It steams
Boiler furnace can be divided into electric steam boiler, oil-fired steam boiler, three kinds of gas-steam boiler according to fuel (electricity, oil, gas);According to
Construction can be divided into vertical steam boiler, horizontal steam boiler.
Especially being used as coal-fired, burning firewood boiler product in China is that structure is simple mostly, low production cost, pot
Very high " Washdown type " boiler of furnace tail portion exhaust gas temperature.Waste of fuel is very big, and the thermal efficiency is not high.Energy Efficiency Ratio is extremely unreasonable at big
The common fault of most vertical boilers.
Utility model content
Based on problem above, the utility model provides a kind of vertical four pass boiler.After the utility model boiler combustion
High-temperature flue gas by the round-trip heat exchange of four backhauls, the flue dust of the exhaust gas temperature and flue gas that greatly reduce boiler tail contains
Amount has effects that the advantage that energy-saving and environmental protection are double, and design is reasonable, the thermal efficiency is high, smoke medicining dust-removing effect is good.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
A kind of vertical four pass boiler, including pedestal, boiler barrel, flue, water inlet, main-steam outlet, combustor connect
Mouthful, smoke exhaust pipe, boiler barrel is mounted on the base, and flue is mounted in boiler barrel, inside boiler barrel from bottom to up successively
First upper smoke box and the second upper smoke box are installed, boiler barrel interior lower end is equipped with lower smoke-box, and flue and the first upper smoke box are logical
Threaded flue connection is crossed, is equipped with more first smoke pipes and the second smoke pipe, first smoke pipe one end and first in the outer boiler barrel of flue
Upper smoke box connection, other end are connected to lower smoke-box, and second smoke pipe one end is connected to smoke-box on second, other end and lower smoke-box
It is connected to, horizontal water tube is installed in the first upper smoke box, horizontal water tube both ends are pierced by the first upper smoke box respectively, and water inlet is located at boiler barrel
In side wall surface, main-steam outlet is located at boiler barrel top, and combustor interface is located at boiler barrel lower end, and connects inside flue
Logical, smoke exhaust pipe is installed at the top of boiler barrel, is connected to the second upper smoke box.
In the present invention, boiler feed water enters from the inlet in the cavity between flue and boiler barrel, combustor
After interface is to combustor is connected, high-temperature flue gas is generated to flue internal spray heating flame, high-temperature flue gas enters threaded flue, and
Heat exchange is carried out to boiler feed water by threaded flue, promotes the temperature of boiler feed water, this is the first backhaul heat exchange;Subsequent high temperature
Flue gas enters the first upper smoke box, is connected to inside the horizontal water tube in the first upper smoke box and the boiler barrel outside the first upper smoke box, boiler
With water by horizontal water tube, high-temperature flue gas carries out heat exchange by horizontal water tube and boiler feed water, this is the second backhaul heat exchange;On first
High-temperature flue gas in smoke box enters back into the second smoke pipe and circulates downwards, carries out heat exchange by the second smoke pipe and boiler feed water, this
For third backhaul heat exchange;High-temperature flue gas in second smoke pipe enters after lower smoke-box is turned back and enters the first smoke pipe, passes through the first smoke pipe
Heat exchange is carried out with boiler feed water, this is the 4th backhaul heat exchange.After the round-trip heat exchange for completing four backhauls, high-temperature flue gas is through first
Smoke pipe enters smoke-box on second, and is discharged by smoke exhaust pipe.Boiler feed water between boiler barrel in toroidal cavity is returned through four
Superheated steam is evaporated after Cheng Huanre, superheated steam is discharged eventually by the main steam mouth on boiler top.The utility model boiler
High-temperature flue gas after burning passes through the round-trip heat exchange of four backhauls, greatly reduces the exhaust gas temperature of boiler tail and the cigarette of flue gas
Dust content has effects that the advantage that energy-saving and environmental protection are double, and design is reasonable, the thermal efficiency is high, smoke medicining dust-removing effect is good.
As a preferred mode, boiler barrel outside wall surface is equipped with insulating layer.
As a preferred mode, flue lower end is equipped with flame retardant coating.
As a preferred mode, liquidometer is also equipped on boiler barrel.
As a preferred mode, boiler barrel is equipped with flame-observing hole.
As a preferred mode, hand hole is additionally provided on boiler barrel.
As a preferred mode, sewage draining exit on boiler barrel.
As a preferred mode, boiler barrel lower end is equipped with condensed water drain port.
As a preferred mode, main-steam outlet is terminated with steam-water separator, pot under protruding into inside boiler barrel
Furnace tube upper end is equipped with lifting lug.
Compared with prior art, the utility model has the beneficial effects that
(1) boiler feed water between boiler barrel in toroidal cavity evaporates superheated steam, mistake after four backhauls exchange heat
Hot steam is discharged eventually by the main steam mouth on boiler top.High-temperature flue gas after the utility model boiler combustion is returned by four
The round-trip heat exchange of journey, greatly reduces the exhaust gas temperature of boiler tail and the smoke content of flue gas, has the double function of energy-saving and environmental protection
Effect, the advantage that design is reasonable, the thermal efficiency is high, smoke medicining dust-removing effect is good;
(2) the utility model boiler barrel outside wall surface is equipped with insulating layer, and flue lower end is equipped with flame retardant coating, and insulating layer is effective
Boiler barrel is kept the temperature, flame retardant coating prevents flame to scurrying out outside flue, while keeping the temperature to flue inside;
(3) it is also equipped with liquidometer on the utility model boiler barrel, can effectively observed between flue and boiler barrel
The height of the boiler feed water of toroidal cavity, and then convenient for controlling boiler feed water;
(4) the utility model boiler barrel is equipped with flame-observing hole, is additionally provided with hand hole, blowdown on boiler barrel on boiler barrel
Mouthful, boiler barrel lower end is equipped with condensed water drain port, and flame-observing hole can check combustor flame combustion situation in time, and hand hole can be in time
Boiler internal is overhauled, the impurity that combustor burning generates, since combustion product gases flow up, boiler can be discharged in sewage draining exit
Cylinder lower end and pedestal are easy to produce condensation ponding, to corrode cylinder lower end and pedestal, pot is discharged in condensed water drain port in time
The condensation ponding that furnace tube lower end and pedestal generate;
(5) the utility model main-steam outlet is terminated with steam-water separator under protruding into inside boiler barrel, can in time by
Moisture in steam is separated, and is avoided containing excessive tiny droplet in the steam of output, and boiler barrel upper end is equipped with lifting lug,
Convenient for the flap seat transport operation of boiler.
Detailed description of the invention
Fig. 1 is the front view of the utility model.
Fig. 2 is the left view of the utility model.
Fig. 3 is the top view of the utility model.
Fig. 4 is the A-A cross-section diagram in Fig. 1.
Wherein, 1 pedestal, 2 flame retardant coatings, 3 insulating layers, 4 water inlets, 5 flame-observing holes, 6 boiler barrels, 7 first smoke pipes, 8 second
Smoke pipe, 9 first upper smoke box, 10 second upper smoke box, 11 liquidometers, 12 smoke exhaust pipes, 13 lifting lugs, 14 main-steam outlets, 15 carbonated drinks point
From device, 16 horizontal water tubes, 17 threaded flues, 18 flues, 19 combustor interfaces, 20 hand holes, 21 sewage draining exits, 22 lower smoke-boxes, 23 condensations
Water drain port.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.The embodiments of the present invention includes but unlimited
In the following example.
Embodiment 1:
Referring to Fig. 1~4, a kind of vertical four pass boiler, including pedestal 1, boiler barrel 6, flue 18, water inlet 4, main steaming
Vapor outlet 14, combustor interface 19, smoke exhaust pipe 12, boiler barrel 6 are mounted on pedestal 1, and flue 18 is mounted on boiler barrel 6
It is interior, the first upper smoke box 9 and the second upper smoke box 10,6 interior lower end of boiler barrel are sequentially installed with inside boiler barrel 6 from bottom to up
Lower smoke-box 22 is installed, flue 18 is connected to by threaded flue 17 with the first upper smoke box 9, is equipped in the outer boiler barrel 6 of flue 18
More first smoke pipes 7 and the second smoke pipe 8,7 one end of the first smoke pipe are connected to the first upper smoke box 9, and other end and lower smoke-box 22 connect
Logical, 8 one end of the second smoke pipe is connected to smoke-box on second, and other end is connected to lower smoke-box 22, is equipped with cross in the first upper smoke box 9
Water pipe 16,16 both ends of horizontal water tube are pierced by the first upper smoke box 9 respectively, and water inlet 4 is located in 6 side wall surface of boiler barrel, and main steam goes out
Mouthfuls 14 are located at 6 top of boiler barrel, and combustor interface 19 is located at 6 lower end of boiler barrel, and are connected to inside flue 18, smoke exhaust pipe
12 installation boiler barrel, 6 top, is connected to the second upper smoke box 10.
In this example, boiler feed water enters in the cavity between flue 18 and boiler barrel 6 from water inlet 4, combustor
After interface 19 is to combustor is connected, high-temperature flue gas is generated to 18 internal spray heating flame of flue, high-temperature flue gas enters screw thread cigarette
Pipe 17, and heat exchange is carried out to boiler feed water by threaded flue 17, the temperature of boiler feed water is promoted, this is changed for the first backhaul
Heat;Subsequent high-temperature flue gas enters the first upper smoke box 9, the boiler drum outside horizontal water tube 16 and the first upper smoke box 9 in the first upper smoke box 9
It being connected to inside body 6, boiler feed water carries out heat exchange by horizontal water tube 16 and boiler feed water by horizontal water tube 16, high-temperature flue gas, this
For the second backhaul heat exchange;High-temperature flue gas in first upper smoke box 9 enters back into the second smoke pipe 8 and circulates downwards, passes through the second smoke pipe 8
Heat exchange is carried out with boiler feed water, this is third backhaul heat exchange;After high-temperature flue gas in second smoke pipe 8 is turned back into lower smoke-box 22
Into the first smoke pipe 7, heat exchange is carried out with boiler feed water by the first smoke pipe 7, this is the 4th backhaul heat exchange.Complete four backhauls
Round-trip heat exchange after, high-temperature flue gas enters smoke-box on second through the first smoke pipe 7, and is discharged by smoke exhaust pipe 12.Boiler barrel 6 it
Between boiler feed water in toroidal cavity evaporate superheated steam after four backhauls exchange heat, superheated steam is eventually by boiler top
Main steam mouth discharge.High-temperature flue gas after the utility model boiler combustion passes through the round-trip heat exchange of four backhauls, substantially reduces
The exhaust gas temperature of boiler tail and the smoke content of flue gas have effects that energy-saving and environmental protection are double, and design is rationally, the thermal efficiency is high, disappears
The good advantage of fume and dust effect.
Embodiment 2:
Referring to Fig. 1~4, a kind of vertical four pass boiler, including pedestal 1, boiler barrel 6, flue 18, water inlet 4, main steaming
Vapor outlet 14, combustor interface 19, smoke exhaust pipe 12, boiler barrel 6 are mounted on pedestal 1, and flue 18 is mounted on boiler barrel 6
It is interior, the first upper smoke box 9 and the second upper smoke box 10,6 interior lower end of boiler barrel are sequentially installed with inside boiler barrel 6 from bottom to up
Lower smoke-box 22 is installed, flue 18 is connected to by threaded flue 17 with the first upper smoke box 9, is equipped in the outer boiler barrel 6 of flue 18
More first smoke pipes 7 and the second smoke pipe 8,7 one end of the first smoke pipe are connected to the first upper smoke box 9, and other end and lower smoke-box 22 connect
Logical, 8 one end of the second smoke pipe is connected to smoke-box on second, and other end is connected to lower smoke-box 22, is equipped with cross in the first upper smoke box 9
Water pipe 16,16 both ends of horizontal water tube are pierced by the first upper smoke box 9 respectively, and water inlet 4 is located in 6 side wall surface of boiler barrel, and main steam goes out
Mouthfuls 14 are located at 6 top of boiler barrel, and combustor interface 19 is located at 6 lower end of boiler barrel, and are connected to inside flue 18, smoke exhaust pipe
12 installation boiler barrel, 6 top, is connected to the second upper smoke box 10.
6 outside wall surface of boiler barrel is equipped with 3 layers of heat preservation, and 18 lower end of flue is equipped with flame retardant coating 2, keeps the temperature 3 layers effectively to pot
Furnace tube 6 carries out heat preservation 3, and flame retardant coating 2 prevents flame to scurrying out outside flue 18, while to carrying out heat preservation 3 inside flue 18.
The other parts of the present embodiment are same as the previously described embodiments, just repeat no more here.
Embodiment 3:
Referring to Fig. 1~4, a kind of vertical four pass boiler, including pedestal 1, boiler barrel 6, flue 18, water inlet 4, main steaming
Vapor outlet 14, combustor interface 19, smoke exhaust pipe 12, boiler barrel 6 are mounted on pedestal 1, and flue 18 is mounted on boiler barrel 6
It is interior, the first upper smoke box 9 and the second upper smoke box 10,6 interior lower end of boiler barrel are sequentially installed with inside boiler barrel 6 from bottom to up
Lower smoke-box 22 is installed, flue 18 is connected to by threaded flue 17 with the first upper smoke box 9, is equipped in the outer boiler barrel 6 of flue 18
More first smoke pipes 7 and the second smoke pipe 8,7 one end of the first smoke pipe are connected to the first upper smoke box 9, and other end and lower smoke-box 22 connect
Logical, 8 one end of the second smoke pipe is connected to smoke-box on second, and other end is connected to lower smoke-box 22, is equipped with cross in the first upper smoke box 9
Water pipe 16,16 both ends of horizontal water tube are pierced by the first upper smoke box 9 respectively, and water inlet 4 is located in 6 side wall surface of boiler barrel, and main steam goes out
Mouthfuls 14 are located at 6 top of boiler barrel, and combustor interface 19 is located at 6 lower end of boiler barrel, and are connected to inside flue 18, smoke exhaust pipe
12 installation boiler barrel, 6 top, is connected to the second upper smoke box 10.
It is also equipped with liquidometer 11 on boiler barrel 6, can effectively observe toroidal cavity between flue 18 and boiler barrel 6
Boiler feed water height, and then convenient for controlling boiler feed water.
The other parts of the present embodiment are same as the previously described embodiments, just repeat no more here.
Embodiment 4:
Referring to Fig. 1~4, a kind of vertical four pass boiler, including pedestal 1, boiler barrel 6, flue 18, water inlet 4, main steaming
Vapor outlet 14, combustor interface 19, smoke exhaust pipe 12, boiler barrel 6 are mounted on pedestal 1, and flue 18 is mounted on boiler barrel 6
It is interior, the first upper smoke box 9 and the second upper smoke box 10,6 interior lower end of boiler barrel are sequentially installed with inside boiler barrel 6 from bottom to up
Lower smoke-box 22 is installed, flue 18 is connected to by threaded flue 17 with the first upper smoke box 9, is equipped in the outer boiler barrel 6 of flue 18
More first smoke pipes 7 and the second smoke pipe 8,7 one end of the first smoke pipe are connected to the first upper smoke box 9, and other end and lower smoke-box 22 connect
Logical, 8 one end of the second smoke pipe is connected to smoke-box on second, and other end is connected to lower smoke-box 22, is equipped with cross in the first upper smoke box 9
Water pipe 16,16 both ends of horizontal water tube are pierced by the first upper smoke box 9 respectively, and water inlet 4 is located in 6 side wall surface of boiler barrel, and main steam goes out
Mouthfuls 14 are located at 6 top of boiler barrel, and combustor interface 19 is located at 6 lower end of boiler barrel, and are connected to inside flue 18, smoke exhaust pipe
12 installation boiler barrel, 6 top, is connected to the second upper smoke box 10.
Boiler barrel 6 is equipped with flame-observing hole 5, is additionally provided with hand hole 20 on boiler barrel 6, sewage draining exit 21, pot on boiler barrel 6
6 lower end of furnace tube is equipped with condensed water drain port 23, and flame-observing hole 5 can check combustor flame combustion situation in time, hand hole 20 can and
When boiler internal is overhauled, sewage draining exit 21 can be discharged combustor burning generate impurity, since combustion product gases flow up,
6 lower end of boiler barrel and pedestal 1 are easy to produce condensation ponding, to corrode cylinder lower end and pedestal 1, condensed water drain port 23 and
When discharge 6 lower end of boiler barrel and pedestal 1 generate condensation ponding.
The other parts of the present embodiment are same as the previously described embodiments, just repeat no more here.
Embodiment 5:
Referring to Fig. 1~4, a kind of vertical four pass boiler, including pedestal 1, boiler barrel 6, flue 18, water inlet 4, main steaming
Vapor outlet 14, combustor interface 19, smoke exhaust pipe 12, boiler barrel 6 are mounted on pedestal 1, and flue 18 is mounted on boiler barrel 6
It is interior, the first upper smoke box 9 and the second upper smoke box 10,6 interior lower end of boiler barrel are sequentially installed with inside boiler barrel 6 from bottom to up
Lower smoke-box 22 is installed, flue 18 is connected to by threaded flue 17 with the first upper smoke box 9, is equipped in the outer boiler barrel 6 of flue 18
More first smoke pipes 7 and the second smoke pipe 8,7 one end of the first smoke pipe are connected to the first upper smoke box 9, and other end and lower smoke-box 22 connect
Logical, 8 one end of the second smoke pipe is connected to smoke-box on second, and other end is connected to lower smoke-box 22, is equipped with cross in the first upper smoke box 9
Water pipe 16,16 both ends of horizontal water tube are pierced by the first upper smoke box 9 respectively, and water inlet 4 is located in 6 side wall surface of boiler barrel, and main steam goes out
Mouthfuls 14 are located at 6 top of boiler barrel, and combustor interface 19 is located at 6 lower end of boiler barrel, and are connected to inside flue 18, smoke exhaust pipe
12 installation boiler barrel, 6 top, is connected to the second upper smoke box 10.
Main-steam outlet 14 is terminated with steam-water separator 15 under protruding into inside boiler barrel 6, can in time will be in steam
Moisture is separated, and is avoided containing excessive tiny droplet in the steam of output, 6 upper end of boiler barrel is equipped with lifting lug 13, is convenient for
The flap seat transport operation of boiler.
The other parts of the present embodiment are same as the previously described embodiments, just repeat no more here.
It as above is the embodiments of the present invention.Design parameter in above-described embodiment and embodiment is merely to clear
Utility model verification process is stated by Chu, not to limit the scope of patent protection of the utility model, the patent of the utility model
Protection scope is still subject to the claims, equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (9)
1. a kind of vertical four pass boiler, including pedestal (1), boiler barrel (6), flue (18), water inlet (4), main steam goes out
Mouth (14), combustor interface (19), smoke exhaust pipe (12), it is characterised in that: successively pacifies from bottom to up inside the boiler barrel (6)
Equipped with the first upper smoke box (9) and the second upper smoke box (10), boiler barrel (6) interior lower end is equipped with lower smoke-box (22), the furnace
Gallbladder (18) is connected to the first upper smoke box (9) by threaded flue (17), and more are equipped in the outer boiler barrel of the flue (18) (6)
First smoke pipe (7) and the second smoke pipe (8), described first smoke pipe (7) one end are connected to the first upper smoke box (9), and other end is under
Smoke-box (22) connection, described second smoke pipe (8) one end are connected to smoke-box on second, and other end is connected to lower smoke-box (22), institute
It states and is equipped with horizontal water tube (16) in the first upper smoke box (9), horizontal water tube (16) both ends are pierced by the first upper smoke box (9) respectively.
2. vertical four pass boiler of one kind according to claim 1, it is characterised in that: boiler barrel (6) outside wall surface
Insulating layer (3) are installed.
3. vertical four pass boiler of one kind according to claim 1, it is characterised in that: flue (18) lower end is equipped with resistance to
Fire bed (2).
4. vertical four pass boiler of one kind according to claim 1, it is characterised in that: also pacify on the boiler barrel (6)
Equipped with liquidometer (11).
5. vertical four pass boiler of one kind according to claim 1, it is characterised in that: the boiler barrel (6) is equipped with
Flame-observing hole (5).
6. vertical four pass boiler of one kind according to claim 1, it is characterised in that: also set on the boiler barrel (6)
There are hand hole (20).
7. vertical four pass boiler of one kind according to claim 1, it is characterised in that: blowdown on the boiler barrel (6)
Mouth (21).
8. vertical four pass boiler of one kind according to claim 1, it is characterised in that: boiler barrel (6) lower end is set
There are condensed water drain port (23).
9. vertical four pass boiler of one kind according to claim 1, it is characterised in that: the main-steam outlet (14) is protruded into
It is terminated with steam-water separator (15) under boiler barrel (6) is internal, boiler barrel (6) upper end is equipped with lifting lug (13).
Priority Applications (1)
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CN201821093317.4U CN208606154U (en) | 2018-07-10 | 2018-07-10 | A kind of vertical four pass boiler |
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CN201821093317.4U CN208606154U (en) | 2018-07-10 | 2018-07-10 | A kind of vertical four pass boiler |
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Publication Number | Publication Date |
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CN208606154U true CN208606154U (en) | 2019-03-15 |
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ID=65668477
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112923342A (en) * | 2021-02-04 | 2021-06-08 | 河南省四通锅炉有限公司 | Vertical fire tube waste heat boiler |
-
2018
- 2018-07-10 CN CN201821093317.4U patent/CN208606154U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112923342A (en) * | 2021-02-04 | 2021-06-08 | 河南省四通锅炉有限公司 | Vertical fire tube waste heat boiler |
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