CN102734788B - Biomass boiler deslagging waste heat recycling device - Google Patents
Biomass boiler deslagging waste heat recycling device Download PDFInfo
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- CN102734788B CN102734788B CN201210249312.7A CN201210249312A CN102734788B CN 102734788 B CN102734788 B CN 102734788B CN 201210249312 A CN201210249312 A CN 201210249312A CN 102734788 B CN102734788 B CN 102734788B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to the field of boiler afterheat recycling and discloses a biomass boiler deslagging waste heat recycling device comprising a hollow composite cylinder body, a feed opening on the top part of the hollow composite cylinder body, a discharge opening on the bottom part of the hollow composite cylinder body, a hot slag passage in the hollow composite cylinder body chamber, a water outlet joint arranged on the upper part of the hollow composite cylinder body, and a water inlet joint arranged on the lower part of the hollow composite cylinder body. The biomass boiler deslagging waste heat recycling device is characterized in that a heat recycling and circulating pipe is arranged in the hot slag passage. The biomass boiler deslagging waste heat recycling device disclosed by the invention is provided with a built-in heat recycling device to fully absorb the boiler slag afterheat in the hot slag passage so as to improve the utilization rate of the heat energy.
Description
Technical field
The present invention relates to boiler afterheat recycle technical field, particularly a kind of biomass boiler waste heat recovery plant of slagging tap.
Background technology
In boiler combustion process, can produce ashes and unburnt lime-ash, the temperature of lime-ash, often at the high temperature of several Baidu, is directly discharged in environment and will causes serious impact to environment, so in steam generator system, cold slag machine is absolutely necessary.The Main Function of cold slag machine is mainly to reclaim lime-ash waste heat, improves boiler efficiency, but the cold slag machine using has at present exposed many problems.Current cold slag machine has three large Series Design: swing roller type, vibrating bin build and wave bore-type.Except type of drive difference, all take tilting to install, main transmission power is to form the downslide displacement of warm sludge in transmission casing by Mechanical Driven, the energy needing is large, motion structure complexity, and its wearing and tearing are also large comparatively speaking, cost is higher, most importantly its although can be that boiler ash obtains cooling, the waste heat of lime-ash cannot be converted into the heat energy that can effectively utilize, cannot realize the effect that improves boiler efficiency.Especially be applied to the cold slag machine of biomass boiler, because the lime-ash of biomass boiler is the raw material of making white carbon, living beings lime-ash is as used traditional water-cooling pattern will reduce the value of lime-ash, and waste heat in lime-ash also can not get effective utilization, so need to inquire into a kind of completely new organization plan thoroughly to change the present situation that cold slag machine cannot recycling lime-ash waste heat.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of biomass boiler waste heat recovery plant of slagging tap, and for cooling pan boiler ash sediment, and by the waste heat in cooling water pipe recovery boiler lime-ash and be used, improves energy recovery efficiency.
A kind of biomass boiler that the embodiment of the present invention provides waste heat recovery plant of slagging tap, comprising: the compound cylindrical shell of hollow; The feeding mouth at the compound cylindrical shell of hollow top; The discharging opening of the compound simplified bottom of hollow; Warm sludge passage in hollow composite tube fluid chamber; Be arranged on the water out adapter on the compound cylindrical shell of hollow top; Be arranged on the water supply connector of the compound cylindrical shell of hollow bottom; The compound cylindrical shell of described hollow is for being inverted the rectangular pyramid structure of leaking water; Described warm sludge channel interior is provided with recuperation of heat circulation pipe, and described recuperation of heat circulation pipe is helix tube, spiral in warm sludge channel interior, and spiral mouth becomes large gradually from bottom to up; Described recuperation of heat circulation pipe connects the oxygen-eliminating device of biomass boiler.By built-in heat reclamation device is set, the boiler slag waste heat in warm sludge passage fully can be absorbed, improve heat utilization rate.
Further, described recuperation of heat circulation pipe is helix tube, spirals in warm sludge channel interior.Adopt the recuperation of heat circulation pipe of helical structure, can strengthen the contact area of recuperation of heat circulation pipe and boiler slag, make recuperation of heat more abundant, reduce thermal loss.
Further, on the compound cylindrical shell of described hollow, be also provided with recuperation of heat water inlet and recuperation of heat delivery port; Described recuperation of heat water inlet is positioned at the bottom of the compound cylindrical shell of hollow, and described recuperation of heat delivery port is positioned at the top of the compound cylindrical shell of hollow.The recuperation of heat circulation pipe of described recuperation of heat water inlet in being all connected warm sludge passage with delivery port, and adopt flange arrangement, port is with packing and gland; Because the boiler slag temperature of the compound cylindrical shell of hollow bottom is lower, the boiler slag temperature on top is higher, recuperation of heat recirculated water from bottom to up successively with boiler slag contact heat-exchanging, can better play the effect of recuperation of heat, make the recuperation of heat recirculated water temperature that raises gradually.
Further, the compound cylindrical shell of described hollow is double-layer steel plate structure, is provided with outer case and internal box, the middle cavity that forms; The cavity top of water out adapter and the compound cylindrical shell of hollow joins, and the cavity bottom of water supply connector and the compound cylindrical shell of hollow joins, and forms cooling water circulation; Water out adapter connects the oxygen-eliminating device of biomass boiler.Interlayer between internal box and outer case forms cooling water cavity, and is connected with water supply connector with water out adapter, forms the circulating system of cooling water.
Further, between the outer case of the described compound cylindrical shell of hollow and internal box, adopt round steel reinforced bar support location.The compound cylindrical shell of hollow adopts vertical structure, controls delay and the displacement of warm sludge in casing, thereby maximally utilise the gravity of warm sludge by the pressure differential of warm sludge gravity and vertical sedimentation formation, reduces energy consumption.Between interior outer case, locate by round steel reinforced bar support, and form the guiding absorber plate of boiler slag in the slippage of warm sludge passage.
Further, the compound cylindrical shell of described hollow is provided with logical cinder hole.
Further, described logical cinder hole is provided with besel.
Owing to slagging tap, waste heat recovery plant adopts vertical structure, rely on the gravity of boiler warm sludge to carry out sedimentation, arrange after logical cinder hole and besel, can monitor warm sludge passage by besel, and by logical cinder hole, warm sludge passage is dredged, prevent warm sludge deposition and stop up.Described logical cinder hole and besel can arrange according to needs one or more.
Further, described recuperation of heat circulation pipe connects the oxygen-eliminating device of biomass boiler.Recuperation of heat circulation pipe has reclaimed the waste heat of boiler slag, and recuperation of heat circulation demineralized water temperature raises, and can pass into boiler feed and carry out deoxygenation, and re-use in boiler water cycle system as boiler feedwater.
Further, the compound cylindrical shell of described hollow is for being inverted rectangular pyramid structure.
The present invention has following beneficial effect:
1, the waste heat of abundant recovery boiler slag, improves heat recovery efficiency, reduces boiler ash heat loss;
2, slag tap waste heat recovery plant independence outside boiler, maintain easily;
3, in system independently simultaneously, biomass boiler slag tap the heat recovery system of waste heat recovery plant and cooling water system can also with the water system reasonable link of boiler, improve heat utilization rate, save the energy.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of living beings boiler slag waste heat recovery plant;
Fig. 2 is the side structure schematic diagram of living beings boiler slag waste heat recovery plant
Wherein: 1-feeding mouth, 2-discharging opening, 3-warm sludge passage, 4-water out adapter, 5-water supply connector, 6-recuperation of heat circulation pipe, 7-recuperation of heat water inlet, 8-recuperation of heat delivery port, 9-outer case, 10-internal box, 11-reinforcing bar, the logical cinder hole of 12-, 13-besel.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, a kind of biomass boiler that the embodiment of the present invention provides waste heat recovery plant of slagging tap, for cooling pan boiler ash sediment, and by the waste heat in cooling water pipe recovery boiler lime-ash and be used.
A kind of biomass boiler waste heat recovery plant of slagging tap, comprising: the compound cylindrical shell of hollow; The feeding mouth 1 at the compound cylindrical shell of hollow top; The discharging opening 2 of the compound cylinder body bottom of hollow; Warm sludge passage 3 in hollow composite tube fluid chamber; Be arranged on the water out adapter 4 on the compound simplified top of hollow; Be arranged on the water supply connector 5 of the compound cylindrical shell of hollow bottom; Described warm sludge passage 3 inside are provided with recuperation of heat circulation pipe 6.Described recuperation of heat circulation pipe 6 is helix tube, spirals in warm sludge passage 3 inside.
By built-in heat reclamation device is set, the boiler slag waste heat in warm sludge passage 3 fully can be absorbed, improve heat utilization rate.Adopt the recuperation of heat circulation pipe 6 of helical structure, can strengthen the contact area of recuperation of heat circulation pipe 6 and boiler slag, make recuperation of heat more abundant, reduce thermal loss.
Described hollow is compound is also provided with recuperation of heat water inlet 7 and recuperation of heat delivery port 8 on simplified; Described recuperation of heat water inlet 7 is positioned at the bottom of the compound cylindrical shell of hollow, and described recuperation of heat delivery port 8 is positioned at the top of the compound cylindrical shell of hollow.The recuperation of heat circulation pipe 6 of described recuperation of heat water inlet 7 in being all connected warm sludge passage 3 with recuperation of heat delivery port 8, and adopt flange arrangement, port is with packing and gland; Because the boiler slag temperature of the compound cylindrical shell of hollow bottom is lower, the boiler slag temperature on top is higher, recuperation of heat recirculated water from bottom to up successively with boiler slag contact heat-exchanging, can better play the effect of recuperation of heat, make the recuperation of heat recirculated water temperature that raises gradually.
The compound cylindrical shell of described hollow is double-layer steel plate structure, is provided with outer case 9 and internal box 10.The middle cavity that forms; Water out adapter (4) joins with the compound simplified cavity top of hollow, and water supply connector (5) is joined with the compound simplified cavity bottom of hollow, forms cooling water circulation.Interlayer between internal box 10 and outer case 9 forms cooling water cavity, and is connected with water supply connector 5 with water out adapter 4, forms the circulating system of cooling water.
Between the outer case 9 of the described compound cylindrical shell of hollow and internal box 10, adopt round steel reinforcing bar 11 supporting and locations.The compound cylindrical shell of hollow adopts vertical structure, controls delay and the displacement of warm sludge in casing, thereby maximally utilise the gravity of warm sludge by the pressure differential of warm sludge gravity and vertical sedimentation formation, reduces energy consumption.For making specification for structure, the non-deformability of interlayer shell strong, and there is the stability in running, in interior outer case interlayer shell, be provided with equally distributed reinforcing bar 11 supporting and locations.Reinforcing bar 11 adopts round steel structure, makes interior outer case (9,10) form one, not only has larger rigidity and intensity, and can guarantee the proper flow of recirculated water in water cavity.
On the compound cylindrical shell of described hollow, be also provided with four symmetrical logical cinder holes 12, on described logical cinder hole 12, be respectively equipped with besel 13.Owing to slagging tap, waste heat recovery plant adopts vertical structure, rely on the gravity of boiler warm sludge to carry out sedimentation, arrange after logical cinder hole 12 and besel 13, can monitor warm sludge passage 3 by besel 13, and by logical cinder hole 12, warm sludge passage 3 is dredged, prevent warm sludge deposition and stop up.Described logical cinder hole 12 and the quantity of besel 13 can design according to actual needs.
Described recuperation of heat circulation pipe 6 connects the oxygen-eliminating device of biomass boiler.Recuperation of heat circulation pipe 6 has reclaimed She's heat of boiler slag, and recuperation of heat circulation demineralized water temperature raises, and can pass into boiler feed and carry out deoxygenation, and re-use in boiler water cycle system as boiler feedwater.In the hollow cavity of the compound cylindrical shell of hollow, the cooling water of cooling water circulation system has absorbed a large amount of lime-ash heats too simultaneously, and water temperature raises, and water out adapter 4 also can be connected to the oxygen-eliminating device of biomass boiler, and cooling water is also utilized again as boiler feedwater.Like this, just can improve the inflow temperature of boiler, reduce boiler and be heated to the time of the temperature of requirement, thereby effectively save the energy.
The compound cylindrical shell of described hollow, for being inverted rectangular pyramid structure, makes structure have stability, and is beneficial to the abundant recovery of the abundant cooling and waste heat of warm sludge.The sidewall of the casing of the structure of falling rectangular pyramid has certain inclination angle, and lime-ash is contacted with internal box 10 in dropping process, and the water cooling that is cooled.Described recuperation of heat circulation pipe 6 can be designed as " returning " font spiral, and spiral mouth becomes greatly gradually from bottom to up, makes lime-ash in dropping process, be bound to contact with recuperation of heat circulation pipe 6, thereby heat exchange occurs.
The present invention is the waste heat of recovery boiler slag fully, improves heat recovery efficiency, reduces boiler ash heat loss; The waste heat recovery plant of slagging tap is independent outside boiler, maintains easily; In system independently simultaneously, biomass boiler slag tap waste heat recovery plant heat recovery system can also with the water system reasonable link of boiler, improve heat utilization rate, improve boiler feed water temperature, save the energy.
Above the biomass boiler provided by the present invention waste heat recovery plant of slagging tap is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, will change in specific embodiments and applications, each part configuration all can be done respective change according to actual needs.In sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. the biomass boiler waste heat recovery plant of slagging tap, comprising:
The compound cylindrical shell of hollow;
The feeding mouth (1) at the compound cylindrical shell of hollow top;
The discharging opening (2) of the compound cylinder body bottom of hollow;
Warm sludge passage (3) in hollow composite tube fluid chamber;
Be arranged on the water out adapter (4) on the compound cylindrical shell of hollow top;
Be arranged on the water supply connector (5) of the compound simplified bottom of hollow;
It is characterized in that: the compound cylindrical shell of described hollow is for being inverted the rectangular pyramid structure of leaking water; Described warm sludge passage (3) inside is provided with recuperation of heat circulation pipe (6), and described recuperation of heat circulation pipe (6) is helix tube, spiral in warm sludge passage (3) inside, and spiral mouth becomes large gradually from bottom to up; Described recuperation of heat circulation pipe (6) connects the oxygen-eliminating device of biomass boiler.
2. the biomass boiler according to claim 1 waste heat recovery plant of slagging tap, is characterized in that: on the compound cylindrical shell of described hollow, be also provided with recuperation of heat water inlet (7) and recuperation of heat delivery port (8); Described recuperation of heat water inlet (7) is positioned at the bottom of the compound cylindrical shell of hollow, and described recuperation of heat delivery port (8) is positioned at the top of the compound cylindrical shell of hollow.
3. the biomass boiler according to claim 1 waste heat recovery plant of slagging tap, is characterized in that: the compound cylindrical shell of described hollow is double-layer steel plate structure, is provided with outer case (9) and internal box (10), the middle cavity that forms; Water out adapter (4) joins with the compound simplified cavity top of hollow, and water supply connector (5) is joined with the compound simplified cavity bottom of hollow, forms cooling water circulation; Water out adapter (4) connects the oxygen-eliminating device of biomass boiler.
4. the biomass boiler according to claim 3 waste heat recovery plant of slagging tap, is characterized in that: between the outer case (9) of the described compound cylindrical shell of hollow and internal box (10), adopt round steel reinforcing bar (11) supporting and location.
5. the biomass boiler according to claim 1 waste heat recovery plant of slagging tap, is characterized in that: the compound cylindrical shell of described hollow is provided with logical cinder hole (12).
6. the biomass boiler according to claim 5 waste heat recovery plant of slagging tap, is characterized in that: described logical cinder hole (12) is provided with besel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249312.7A CN102734788B (en) | 2012-07-13 | 2012-07-13 | Biomass boiler deslagging waste heat recycling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210249312.7A CN102734788B (en) | 2012-07-13 | 2012-07-13 | Biomass boiler deslagging waste heat recycling device |
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| CN102734788A CN102734788A (en) | 2012-10-17 |
| CN102734788B true CN102734788B (en) | 2014-06-25 |
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| CN201210249312.7A Expired - Fee Related CN102734788B (en) | 2012-07-13 | 2012-07-13 | Biomass boiler deslagging waste heat recycling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115200003B (en) * | 2022-06-28 | 2024-03-08 | 武汉光谷蓝焰新能源股份有限公司 | Biomass steam boiler ash treatment device with waste heat recovery function |
Citations (8)
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| US3947240A (en) * | 1974-11-01 | 1976-03-30 | Western Electric Company, Inc. | Method and apparatus for generating a vapor for soldering fusing or brazing articles |
| JPS5428292A (en) * | 1977-08-05 | 1979-03-02 | Ishikawajima Harima Heavy Ind Co Ltd | Heat recovering apparatus for slag granule |
| JPS599106A (en) * | 1982-07-08 | 1984-01-18 | Asahi Glass Co Ltd | Method for generating steam by melt of blast furnace slag |
| CN201154947Y (en) * | 2007-12-26 | 2008-11-26 | 神木县三江煤化工有限责任公司 | Cooling coke-discharging tank |
| CN201297611Y (en) * | 2008-09-03 | 2009-08-26 | 李其彬 | Shaft boiler for recovering residual heat of high-temperature powdered solid material |
| CN201344546Y (en) * | 2009-01-23 | 2009-11-11 | 太原电力高等专科学校 | Slag discharge and waste heat utilization equipment for industrial boiler |
| CN201583145U (en) * | 2009-12-11 | 2010-09-15 | 建业庆松集团有限公司 | Energy-saving slag-discharge cooler |
| CN102433400A (en) * | 2011-12-23 | 2012-05-02 | 东北大学 | Waste heat recovering device of high-temperature metallurgy slag particles |
-
2012
- 2012-07-13 CN CN201210249312.7A patent/CN102734788B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3947240A (en) * | 1974-11-01 | 1976-03-30 | Western Electric Company, Inc. | Method and apparatus for generating a vapor for soldering fusing or brazing articles |
| JPS5428292A (en) * | 1977-08-05 | 1979-03-02 | Ishikawajima Harima Heavy Ind Co Ltd | Heat recovering apparatus for slag granule |
| JPS599106A (en) * | 1982-07-08 | 1984-01-18 | Asahi Glass Co Ltd | Method for generating steam by melt of blast furnace slag |
| CN201154947Y (en) * | 2007-12-26 | 2008-11-26 | 神木县三江煤化工有限责任公司 | Cooling coke-discharging tank |
| CN201297611Y (en) * | 2008-09-03 | 2009-08-26 | 李其彬 | Shaft boiler for recovering residual heat of high-temperature powdered solid material |
| CN201344546Y (en) * | 2009-01-23 | 2009-11-11 | 太原电力高等专科学校 | Slag discharge and waste heat utilization equipment for industrial boiler |
| CN201583145U (en) * | 2009-12-11 | 2010-09-15 | 建业庆松集团有限公司 | Energy-saving slag-discharge cooler |
| CN102433400A (en) * | 2011-12-23 | 2012-05-02 | 东北大学 | Waste heat recovering device of high-temperature metallurgy slag particles |
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