CN2869588Y - Vertical after-heat boiler - Google Patents
Vertical after-heat boiler Download PDFInfo
- Publication number
- CN2869588Y CN2869588Y CN 200620030036 CN200620030036U CN2869588Y CN 2869588 Y CN2869588 Y CN 2869588Y CN 200620030036 CN200620030036 CN 200620030036 CN 200620030036 U CN200620030036 U CN 200620030036U CN 2869588 Y CN2869588 Y CN 2869588Y
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- flue
- boiler
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Abstract
The utility model discloses a vertical remaining heat boiler taking the heat resource as gas media. The boiler contains a base, a boiler wall and a boiler cylinder. The boiler cylinder is laid on the top of the boiler body constructed by the boiler wall. Inside the boiler upper wall is equipped with an upper tank. On the bottom of the boiler chamber corresponded with the upper tank is equipped with a lower tank. Inside the boiler wall is arranged with a sediment pipe, an overheat heater and a coal saving device. The flue ingresses the boiler body from a flue inlet, flows by the boiler chamber flue passage, vaporizing heating surface flue passage, tail heating surface flue passage and then exhausts outside. Because the sediment pipe, the overheat heater the coal saving device and the flowing convection pipes are concentrated and arranged along the circumference of the oven body constructed by the upper tank, the lower tanks and the diaphragm water cooling wall spacing wall, simultaneously, M shape flue passage and transverse arrangement single pot cylinder vertical location are adopted to formulate three phases flue and dust separator in the lower of the M shape flue passage, the heating surface having multi purpose of inducing heat and separating smoke. The vertical remaining heat boiler is able to induce heating efficiently and separate the flue and dust inside three phases oven with the advantages of compact structure, lower cost, small location area, high efficiency, environment protection and energy saving.
Description
Technical field
The utility model relates to a kind of waste heat boiler, and relating in particular to a kind of thermal source is the vertical waste heat boiler of gas medium.
Background technology
Usually thermal source is the waste heat boiler horizontal single flue or the thickness roads layouts of adopting of gas medium more, and parts dispersed placement such as the crust block pipe of boiler, superheater, convection bank, economizer adopt connections such as down-comer, carbonated drink communicating pipe; Mainly according to the flying dust natural subsidence in the flue, effect is relatively poor in its dedusting, and easily forms the flue gas partial short-circuit, reduce the heat transfer efficiency of heating surface, and structure is huge, complicated, floor space is big, cost is high.The patent No. is that 03215147.0 Chinese patent discloses a kind of waste heat boiler, adopt vertical structure, crust block pipe, superheater, economizer and convection bank centralized arrangement are around last lower drum and the formed body of heater of fin panel casing partition wall, compact conformation, floor space are little, but because of inboard wall of burner hearth top and bottom position heating surface little, have influence on the thermal efficiency of boiler, the separation of flue dust remains further to be improved in the stove simultaneously.
Summary of the invention
It is the efficient heat transfer and the vertical completely waste heat boiler of flue dust separation of gas medium with the thermal source that the purpose of this utility model provides a kind of.
For achieving the above object, the utility model adopts following technical scheme: a kind of vertical waste heat boiler, comprise the basis, furnace wall and drum, the body of heater inside that furnace wall is formed is provided with the crust block pipe, superheater and economizer, described furnace wall antetheca bottom offers into mouth, enter furnace wall top, mouth opposite and offer outlet flue, described barrel transverse is in the body of heater top that furnace wall is formed, pars intramuralis is provided with upper collecting chamber on the furnace wall, the position of corresponding burner hearth bottom with upper collecting chamber is provided with the next part case, upper collecting chamber and next part case communicate by convection bank, form the burner hearth flue by prepattern wall mid-feather and middle prepattern wall mid-feather between upper collecting chamber and next part case, described superheater is arranged in the burner hearth flue; Form the evaporating heating surface flue by middle prepattern wall mid-feather and middle back membrane wall mid-feather between upper collecting chamber and next part case, described convection bank is arranged in the evaporating heating surface flue; Form the back-end surfaces flue by middle back membrane wall mid-feather and back membrane wall mid-feather between upper collecting chamber and next part case, described economizer is arranged in the back-end surfaces flue; Described burner hearth bottom is provided with I level dust separator, II level dust separator and III level dust separator, and the below of three dust separators is provided with ash port.
Described I level dust separator is made up of next part case, prepattern wall mid-feather and middle prepattern wall mid-feather, II level dust separator is made up of next part case, middle prepattern wall mid-feather and middle back membrane wall mid-feather, and III level dust separator is made up of next part case, middle back membrane wall mid-feather and back membrane wall mid-feather.
Described prepattern wall mid-feather, middle prepattern wall mid-feather, middle back membrane wall mid-feather and back membrane wall mid-feather are formed by the convection bank that is connected between upper collecting chamber and the next part case respectively.
Described crust block pipe is had loose bowels by prepattern wall mid-feather bottom water screen tube and is formed, and is positioned at the into inboard of mouth.
For the outlet steam that makes superheater reaches specified outlet parameter, described superheater is made up of the two sections coiled pipe, and the epimere coiled pipe is the superheater low-temperature zone, and the hypomere coiled pipe is the superheater high temperature section, and the superheater horizontal suspension is in the burner hearth flue.
For improving flue gas to the washing away of economizer, described economizer curves serpentine configuration by boiler tube and is supported on the support steelframe, and lateral arrangement is in the back-end surfaces flue.
For guarantee not influence the operate as normal of boiler when disappearing ash, described three ash ports below is provided with twin-stage deashing flapper.
For improve flue gas in boiler flow velocity and form the transversal flow of flue gas to convection bank, the upper end of prepattern wall mid-feather is provided with deflection plate to evaporating heating surface flue internal direction in described, and the lower end of described middle back membrane wall mid-feather is provided with down deflection plate to evaporating heating surface flue internal direction.
After adopting technical scheme described in the utility model, because crust block pipe, superheater, economizer and convection bank centralized arrangement are around upper and lower collection case and the formed body of heater of fin panel casing partition wall, adopt M type flue, the vertical layout of single drum horizontal simultaneously, constitute I level dust separator, II level dust separator and III level dust separator in the bottom of M type flue, heating surface has and not only conducts heat but also every the multifunctionality of cigarette.Like this, this vertical waste heat boiler can reach the functions that flue dust separates in efficient heat transfer, the three grades of stoves, has compact conformation, cost is low, floor space is little and efficient, environmental protection, advantage such as energy-conservation.
Description of drawings
Fig. 1 is the utility model master TV structure cutaway view;
Fig. 2 is A-A cross section and the B-B cross-sectional view of Fig. 1.
The specific embodiment
In the utility model master TV structure cutaway view as shown in Figure 1, boiler body places on the basis 1, and the internal diameter of drum 21 is φ 1400mm, wall thickness 42mm, be welded with the 20g boiler plate, drum 21 laterally freely is shelved on the steel frame column that supports boiler body.
Boiler crust block pipe 20 is had loose bowels by front water wall φ 51 * 4 and is formed, its lateral separation 200mm, and longitudinal separation 250mm, the lower space that enters superheater 7 behind the import flue gas transversal flow turns to 90 ° upwards to enter superheater 7 again.Superheater 7 adopts horizontal suspension formula structures, is divided into high temperature section and low-temperature zone is formed by the coiled pipe of φ 42 * 3.5, and high temperature section adopts the 15CrMoG high-pressure boiler tube, low-temperature zone employing 20 (GB3087-1999) boiler tube lateral arrangement.Adopt the middle desuperheat of convection-type desuperheater.Flue gas turns to 90 ° to enter convection bank 12 tops at superheater 7 tops, and wherein the part flying dust is because inertia force is separated and concentrates in the ash dropping hopper 19 of bottom regularly discharges out of the furnace via rotary type twin-stage deashing flapper 23.Drum 21 isolated saturated vapors are guided to superheater inlet header case through wireway and reach specified outlet parameter behind the low-temperature zone of superheater, attemperator, high temperature superheater, super-heater exit cases.
20 (GB3087-1999) boiler tube φ 42 * 3.5 is adopted in convection bank 12, and in-line arrangement is arranged, lateral separation 100mm, longitudinal separation 120mm.The upper end of middle prepattern wall mid-feather 8 is provided with deflection plate 24 to evaporating heating surface flue 11 internal direction, the lower end of middle back membrane wall mid-feather 15 is provided with down deflection plate 25 to evaporating heating surface flue 11 internal direction, flue gas has improved flue gas flow rate after through baffling in the middle of twice deflection plate and has formed transversal flow to convection bank 12 like this, has improved the heat-transfer capability of convection bank 12.Convection bank upper collecting chamber 10 is connected with drum 21 by the steam guiding tube of φ 108mm, and stove water adopts natural circulation mode to flow between drum 10, convection bank 12, down-comer and steam guiding tube.Flue gas is folded to 90 ° in the outlet of convection bank 12 bottom levels and upwards enters back-end surfaces flue 13.
Economizer 14 adopts 20 (GB3087-1999) boiler tube φ, 32 * 4 coiled pipes to be supported on the support steelframe, lateral arrangement in back-end surfaces flue 13, lateral separation 80mm, longitudinal separation 50mm.Flue gas flows from bottom to top.Boiler feedwater enters drum 21 through mixing header, province's gas inlet collection case, province's coal gas tube bank, province's gas exit collection case with saturation state.
The mid portion of water-cooling system is by two fin panel casing partition walls, pipe pitch 100mm, the pipe specification adopts φ 51 * 4, the membrane wall pipe adopts pipe joint butt welding with being connected of collection case, the convection bank of water-cooling system is partly adopted along row and is arranged that water pipe is made with 20 (GB3087-1999) boiler tube of φ 42 * 3.5.The pipe of convection bank and last next part case adopt welding.Back water-cooling wall also adopts the fin panel casing partition wall, pipe pitch 100mm.
Boiler front wall internal layer is a fire brick layer, and skin is formed light-duty revetment by heat-insulation layer, and outermost is the furnace wall backplate of thick 3mm, and wherein fire brick layer is fastened on front water wall.Back wall half one forms light-duty furnace wall by the furnace wall backplate of heat-insulation layer and the thick 3mm of outermost.Both walls adopts the heavy boiler setting structure of thickness 590mm.
In the utility model flue gas flow schematic diagram shown in the accompanying drawing 1,2, boiler body is placed on the concrete foundation 1, advance mouth 9 and be opened in the antetheca of furnace wall 4 near next part case 2 places, flue gas enters boiler body from advancing mouth 9, crust block pipe 20 is had loose bowels by front water wall and is formed, be positioned at into mouth 9 inboards, flue gas turns to 90 ° upwards by forming burner hearth flue 5 by prepattern wall mid-feather 6 and middle prepattern wall mid-feather 8, and superheater 7 is arranged in the burner hearth flue 5; The I level dust separator 3 that the below of burner hearth flue 5 is made up of next part case 2, prepattern wall mid-feather 6 and middle prepattern wall mid-feather 8, flue gas turns to 90 ° to enter in the burner hearth flue 5 after by I level dust separator 3, flying dust since inertia in falling into ash port 19.Evaporating heating surface flue 11 is made up of middle prepattern wall mid-feather 8 and middle back membrane wall mid-feather 15, the upper end of middle prepattern wall mid-feather 8 is provided with deflection plate 24 to evaporating heating surface flue 11 internal direction, the lower end of middle back membrane wall mid-feather 15 is provided with down deflection plate 25 to evaporating heating surface flue 11 internal direction, improve the flow velocity of flue gas in boiler and formation like this to the transversal flow of convection bank 12, improved the heat-transfer capability of convection bank 12.Flue gas is folded to 90 ° in the outlet of convection bank 12 bottom levels and upwards enters back-end surfaces flue 13, and back-end surfaces flue 13 is made up of middle back membrane wall mid-feather 15 and back membrane wall mid-feather 16, and economizer 14 is arranged within it.II level dust separator 22 is formed by next part case 2, middle prepattern wall mid-feather 8 and middle back membrane wall mid-feather 15 in evaporating heating surface flue 11 belows.III level dust separator 18 is formed by next part case 2, middle back membrane wall mid-feather 15 and back membrane wall mid-feather 16 in the below of back-end surfaces flue 13, flue gas turns to 90 ° to enter in the back-end surfaces flue 13 after by III level dust separator 18, discharge out of the furnace by outlet flue 17 through washing away economizer 14, flying dust since inertia in falling into ash port 19, the below of the ash port 19 of next part case 2 both sides and bottom is provided with the ash lock gas lock 23 that disappears, and can open the dust that twin-stage deashing flapper 23 is removed in the ash port 19 under the normal operation of boiler situation.
Body of heater material of the present utility model and assembling form thereof are not limited to the above-mentioned specific embodiment; all employing crust block pipes, superheater, economizer and convection bank centralized arrangement are around last next part case and the formed body of heater of fin panel casing partition wall; the mode of the vertical layout of single drum horizontal all should be thought to belong to the utility model institute protection domain.
Claims (8)
1, a kind of vertical waste heat boiler, comprise basis (1), furnace wall (4) and drum (21), the body of heater inside that furnace wall (4) is formed is provided with crust block pipe (20), superheater (7) and economizer (14), it is characterized in that: described furnace wall (4) antetheca bottom offers into mouth (9), enter mouth (9) opposite furnace wall (4) top and offer outlet flue (17), described drum (21) is horizontally placed on the body of heater top that furnace wall (4) is formed, furnace wall (4) is gone up pars intramuralis and is provided with upper collecting chamber (10), be provided with next part case (2) with the corresponding burner hearth bottom of upper collecting chamber (10) position, upper collecting chamber (10) and next part case (2) communicate by convection bank (12), form burner hearth flue (5) by prepattern wall mid-feather (6) and middle prepattern wall mid-feather (8) between upper collecting chamber (10) and next part case (2), described superheater (7) is arranged in the burner hearth flue (5); Form evaporating heating surface flue (11) by middle prepattern wall mid-feather (8) and middle back membrane wall mid-feather (15) between upper collecting chamber (10) and next part case (2), described convection bank (12) is arranged in the evaporating heating surface flue (11); Form back-end surfaces flue (13) by middle back membrane wall mid-feather (15) and back membrane wall mid-feather (16) between upper collecting chamber (10) and next part case (2), described economizer (14) is arranged in the back-end surfaces flue (13); Described burner hearth bottom is provided with I level dust separator (3), II level dust separator (22) and III level dust separator (18), and the below of three dust separators is provided with ash port (19).
2, vertical waste heat boiler as claimed in claim 1, it is characterized in that: described I level dust separator (3) is made up of next part case (2), prepattern wall mid-feather (6) and middle prepattern wall mid-feather (8), II level dust separator (22) is made up of next part case (2), middle prepattern wall mid-feather (8) and middle back membrane wall mid-feather (15), and III level dust separator (18) is made up of next part case (2), middle back membrane wall mid-feather (15) and back membrane wall mid-feather (16).
3, vertical waste heat boiler as claimed in claim 1 is characterized in that: described prepattern wall mid-feather (6), middle prepattern wall mid-feather (8), middle back membrane wall mid-feather (15) and back membrane wall mid-feather (16) are formed by the convection bank (12) that is connected between upper collecting chamber (10) and the next part case (2) respectively.
4, vertical waste heat boiler as claimed in claim 1 is characterized in that: described crust block pipe (20) is had loose bowels by prepattern wall mid-feather (6) bottom water screen tube and is formed, and is positioned at the into inboard of mouth (9).
5, vertical waste heat boiler as claimed in claim 1, it is characterized in that: described superheater (7) is made up of the two sections coiled pipe, the epimere coiled pipe is the superheater low-temperature zone, and the hypomere coiled pipe is the superheater high temperature section, and superheater (7) horizontal suspension is in burner hearth flue (5).
6, vertical waste heat boiler as claimed in claim 1 is characterized in that: described economizer (14) curves serpentine configuration by boiler tube and is supported on the support steelframe, and lateral arrangement is in back-end surfaces flue (13).
7, vertical waste heat boiler as claimed in claim 1 is characterized in that: described three ash ports (19) below is provided with twin-stage deashing flapper (23).
8, as the arbitrary described waste heat boiler of claim 1～7, it is characterized in that: the upper end of prepattern wall mid-feather (8) is provided with deflection plate (24) to evaporating heating surface flue (11) internal direction in described, and the lower end of described middle back membrane wall mid-feather (15) is provided with down deflection plate (25) to evaporating heating surface flue (11) internal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620030036 CN2869588Y (en) | 2006-02-16 | 2006-02-16 | Vertical after-heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620030036 CN2869588Y (en) | 2006-02-16 | 2006-02-16 | Vertical after-heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2869588Y true CN2869588Y (en) | 2007-02-14 |
Family
ID=37724526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620030036 Expired - Lifetime CN2869588Y (en) | 2006-02-16 | 2006-02-16 | Vertical after-heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2869588Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975391A (en) * | 2010-09-30 | 2011-02-16 | 清华大学 | Grate firing biomass boiler |
| CN101749696B (en) * | 2010-02-09 | 2011-07-20 | 清华大学 | Multipath circulating fluidized bed boiler |
-
2006
- 2006-02-16 CN CN 200620030036 patent/CN2869588Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749696B (en) * | 2010-02-09 | 2011-07-20 | 清华大学 | Multipath circulating fluidized bed boiler |
| CN101975391A (en) * | 2010-09-30 | 2011-02-16 | 清华大学 | Grate firing biomass boiler |
| CN101975391B (en) * | 2010-09-30 | 2011-10-26 | 清华大学 | Grate firing biomass boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070214 |
|
| EXPY | Termination of patent right or utility model |