CN203687064U - Biomass boiler water-cooling slag hole structure - Google Patents
Biomass boiler water-cooling slag hole structure Download PDFInfo
- Publication number
- CN203687064U CN203687064U CN201320651589.2U CN201320651589U CN203687064U CN 203687064 U CN203687064 U CN 203687064U CN 201320651589 U CN201320651589 U CN 201320651589U CN 203687064 U CN203687064 U CN 203687064U
- Authority
- CN
- China
- Prior art keywords
- water
- slag
- ash
- hole
- biomass boiler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides a biomass boiler water-cooling slag hole structure. A separation structure between a slag hole and an ash hole cannot be severely deformed by high temperature so as to achieve a stable sealing effect. The biomass boiler water-cooling slag hole structure comprises the ash hole and the slag hole, wherein the lower end of a combustion chamber is connected with the slag hole; the lower part of a convection pass is connected with the ash hole; an ash and slag dropping hopper is arranged under the ash hole and the slag hole; the lower end of the ash and slag dropping hopper is stretched into a water seal tank; a rear lower water collecting tank is arranged at the separation position of the ash hole and the slag hole. The biomass boiler water-cooling slag hole structure is characterized in that membrane walls are arranged on a middle separation face of the ash hole and the slag hole of the ash and slag dropping hopper from top to bottom, and the lower parts of the membrane walls are extended into the water seal tank.
Description
Technical field
The utility model relates to the technical field of biomass boiler structure, is specially a kind of biomass boiler water-cooled slag discharge hole structure.
Background technology
Biomass straw fuel boiler is modal is water-cooling vibration furnace grate M type boiler, because of the easy caking property feature of ash in fuel, superheater is often arranged in two of the centres convection pass of M type boiler, and the flying dust in flue gas just can settle down by flue like this, more together discharges in company with fire grate slag notch.But during due to boiler operatiopn, the pressure of furnace pressure and flue is completely different, and slag notch is different with ash hole pressure, so design must ensure the sealing between slag notch and ash hole.
In design in the past, for ensureing that sealing has two methods conventionally, the first is put ash door in ash hole design; It two is between slag notch and ash hole, to install water seal plate additional.The shortcoming of method one is: due to cigarette temperature high (for a long time more than 600 DEG C), boiler width is large again, select the grey door of putting of heat resisting cast steel itself very heavy, and the operating axis that is arranged in plate-turning door two sides is long, after operation a period of time, put ash door due to the gross distortion that is heated, control lever shaft also burns out distortion, the uncontrollable switch of putting ash door at all, opens for a long time to such an extent as to put ash door, performs practically no function.The shortcoming of method two is because cigarette temperature is too high equally, causes water seal plate gross distortion, even fact proved that heat-resisting steel sheet and plate upper refractory material also still can burn out, has destroyed the sealing of plate with the grey slag bucket side that falls, and cannot meet equally service requirement.
Summary of the invention
For the problems referred to above, the utility model provides a kind of biomass boiler water-cooled slag discharge hole structure, and it makes the separation structure between slag notch and ash hole no longer be subject to high temperature gross distortion, reaches stabilized seal.
A kind of biomass boiler water-cooled slag discharge hole structure, its technical scheme is such: it comprises ash hole, slag notch, lower end, combustion chamber is communicated with described slag notch, convection pass below is communicated with described ash hole, described ash hole, slag notch arranged beneath has grey slag bucket, described fall the lower end of grey slag bucket go deep in described water sealed tank, described ash hole, the spaced-apart locations of slag notch is rear lower water header, it is characterized in that: the ash hole of the grey slag bucket that falls described in being positioned at, the middle division surface of slag notch is furnished with fin panel casing from top to bottom, the below of described fin panel casing extends in described water sealed tank.
It is further characterized in that: the top of described fin panel casing is that water outlet collector, bottom are that water inlet collector, middle part are vertically to the water screen tube of arranging, between adjacent described water screen tube, be welded to connect by band steel, the lower surface of the upper end welded joints seal channel-section steel of described water outlet collector, the upper surface of described sealing channel-section steel is close to and is welded to connect described rear lower water header, and the floor level position of described water inlet collector is positioned at below the water seal plane of described water sealed tank;
The water seal plane that is centered close to described water sealed tank of described water inlet collector;
The water inlet end of described water inlet collector is provided with water intaking valve, and the water side of described water outlet collector is provided with outlet valve;
Described fall the inwall of grey slag bucket be respectively arranged with two row's side seal plates of longitudinal layout corresponding to the corresponding position, both sides of described fin panel casing, the band steel of the both sides of described fin panel casing gos deep into respectively, in the two parallel installation cavitys of formation of arranging between described side seal plate of respective side, between the inwall of the described band steel of both sides and described side seal plate, the grey slag bucket that falls, all leaving gap.
Adopt after the utility model, fin panel casing from top to bottom by corresponding to ash hole, slag notch fall the spatial separation of grey slag bucket and the below of fin panel casing extend in water sealed tank, it utilizes the cooling effect of water in fin panel casing, membrane wall can be because of being subject to high temperature gross distortion, thereby reach the object of sealing; Therefore it makes the separation structure between slag notch and ash hole no longer be subject to high temperature gross distortion, reaches stabilized seal.
Brief description of the drawings
Fig. 1 is this practical front view structural representation;
Fig. 2 is that the A-A of Fig. 1 is to the structure enlarged diagram of cutaway view;
Fig. 3 is that the B-B of Fig. 2 is to the partial structurtes enlarged diagram of cutaway view;
Fig. 4 is the partial enlarged drawing at C place in Fig. 1.
Detailed description of the invention
See Fig. 1～4, it comprises ash hole 1, slag notch 2,3 lower ends, combustion chamber are communicated with slag notch 2, convection pass 4 belows are communicated with ash hole 1, ash hole 1, slag notch 2 arranged beneath have grey slag bucket 5, and the lower end of the grey slag bucket 5 that falls is goed deep in water sealed tank 6, and the spaced-apart locations of ash hole 1, slag notch 2 is rear lower water header 7, be positioned at the ash hole 1 of grey slag bucket 5, the middle division surface of slag notch 2 is furnished with fin panel casing 8 from top to bottom, the below of fin panel casing 8 extends in water sealed tank 6.The top of fin panel casing 8 is that water outlet collector 9, bottom are that water inlet collector 10, middle part are vertically to the water screen tube 11 of arranging, 11 adjacent of water screen tubes are welded to connect by band steel 12, the lower surface of the upper end welded joints seal channel-section steel 13 of water outlet collector 9, the upper surface of sealing channel-section steel 13 is close to and is welded to connect rear lower water header 7, and the floor level position of water inlet collector 10 is positioned at below the water seal plane of water sealed tank 6; Its optimize structure for: water inlet collector 10 the water seal plane that is centered close to water sealed tank 6.
The water inlet end of water inlet collector 10 is provided with water intaking valve 14, and the water side of water outlet collector 9 is provided with outlet valve 15;
The inwall 16 of grey slag bucket 5 of falling is respectively arranged with two row's side seal plates 17 of longitudinal layout corresponding to the corresponding position, both sides of fin panel casing 8, the band steel 12 of the both sides of fin panel casing 8 gos deep into respectively in the two parallel installation cavitys 18 of formation of arranging between side seal plates 17 of respective side, considering that fin panel casing 8 is heated can be to the expansion on both sides, therefore all leave gap between the inwall 16 of the band steel 12 of both sides and side seal plate 17, the grey slag bucket 5 that falls.
Its operation principle is as follows:
Fall into grey slag bucket 5 from burning chamber 3 slag out through slag notch 2, after ash hole 1, also fall into grey slag bucket 5 by the ashes of convection pass sedimentation simultaneously, there is fin panel casing 8 between the two as partition wall, for simple in structure, and do not affect the water circulation of boiler, the water source of this fin panel casing 8 comes from external running water or fire water, and feed pressure is at 2 kgf/cm
2～5kgf/cm
2.
This fin panel casing 8 has independently water-in and water-out system, adopt the mode of bottom in and top out, water is done to rise with certain flow velocity and is flowed in fin panel casing 8, makes water boiling produce steam bubble even local because cigarette temperature is too high, also it can be taken out of smoothly, thereby ensure the safe water circulation of this system.On system circuit, be respectively equipped with water intaking valve 14 and outlet valve 15, valve size is in DN25 left and right.Connecting water screen tube 11 has respectively water outlet collector 9 and water inlet collector 10 up and down, and the size of collector external diameter is pressed φ 133 left and right designs.Fin panel casing 8 pitches are 80mm, are welded by the pipe of φ 32 × 4 and the band steel that δ 6mm is thick, 48mm is wide.Pipe radical is determined according to the width of slag notch.Water consumption is pressed 1t/h～5t/h consideration, by the size control leaving water temperature of regulating pondage.
Claims (5)
1. a biomass boiler water-cooled slag discharge hole structure, it comprises ash hole, slag notch, lower end, combustion chamber is communicated with described slag notch, convection pass below is communicated with described ash hole, described ash hole, slag notch arranged beneath have grey slag bucket, described fall the lower end of grey slag bucket go deep in water sealed tank, the spaced-apart locations of described ash hole, slag notch is rear lower water header, it is characterized in that: the ash hole of the grey slag bucket that falls described in being positioned at, the middle division surface of slag notch are furnished with fin panel casing from top to bottom, and the below of described fin panel casing extends in described water sealed tank.
2. a kind of biomass boiler water-cooled slag discharge hole structure according to claim 1, it is characterized in that: the top of described fin panel casing is that water outlet collector, bottom are that water inlet collector, middle part are vertically to the water screen tube of arranging, between adjacent described water screen tube, be welded to connect by band steel, the lower surface of the upper end welded joints seal channel-section steel of described water outlet collector, the upper surface of described sealing channel-section steel is close to and is welded to connect described rear lower water header, and the floor level position of described water inlet collector is positioned at below the water seal plane of described water sealed tank.
3. a kind of biomass boiler water-cooled slag discharge hole structure according to claim 2, is characterized in that: the water seal plane that is centered close to described water sealed tank of described water inlet collector.
4. according to a kind of biomass boiler water-cooled slag discharge hole structure described in claim 2 or 3, it is characterized in that: the water inlet end of described water inlet collector is provided with water intaking valve, the water side of described water outlet collector is provided with outlet valve.
5. according to a kind of biomass boiler water-cooled slag discharge hole structure described in claim 2 or 3, it is characterized in that: described in the fall inwall of grey slag bucket be respectively arranged with two row's side seal plates of longitudinal layout corresponding to the corresponding position, both sides of described fin panel casing, the band steel of the both sides of described fin panel casing gos deep into respectively, in the two parallel installation cavitys of formation of arranging between described side seal plate of respective side, between the inwall of the described band steel of both sides and described side seal plate, the grey slag bucket that falls, all leaving gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651589.2U CN203687064U (en) | 2013-10-22 | 2013-10-22 | Biomass boiler water-cooling slag hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651589.2U CN203687064U (en) | 2013-10-22 | 2013-10-22 | Biomass boiler water-cooling slag hole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203687064U true CN203687064U (en) | 2014-07-02 |
Family
ID=51008954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320651589.2U Withdrawn - After Issue CN203687064U (en) | 2013-10-22 | 2013-10-22 | Biomass boiler water-cooling slag hole structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203687064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528078A (en) * | 2013-10-22 | 2014-01-22 | 无锡华光锅炉股份有限公司 | Biomass boiler water-cooling slag hole structure |
-
2013
- 2013-10-22 CN CN201320651589.2U patent/CN203687064U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528078A (en) * | 2013-10-22 | 2014-01-22 | 无锡华光锅炉股份有限公司 | Biomass boiler water-cooling slag hole structure |
| CN103528078B (en) * | 2013-10-22 | 2016-03-23 | 无锡华光锅炉股份有限公司 | A kind of biomass boiler water-cooled slag discharge hole structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102635844B (en) | Boiler system using waste heat of flue gas of rotary hearth furnace | |
| CN101105287A (en) | Screen type heated surface arrangement method for fluid bed boiler furnace | |
| CN102374658A (en) | Angular pipe water circulating structure with complete forced upward flowing on heating surface | |
| CN206929753U (en) | Membrane wall waste heat steam boiler | |
| CN203687064U (en) | Biomass boiler water-cooling slag hole structure | |
| CN103388815B (en) | Horizontal type triple-pass chain-grate boiler combusting coal and biomass fuel | |
| CN205717151U (en) | A kind of coal water slurry boiler | |
| CN101832637A (en) | Hot water boiler with large-capacity water tubes | |
| CN201059537Y (en) | Fluidized-bed boiler furnace screen type heating surface structure | |
| RU2287117C1 (en) | Steel sectional hot-water boiler | |
| CN103528078B (en) | A kind of biomass boiler water-cooled slag discharge hole structure | |
| RU2315918C2 (en) | Steel sectional water-heating boiler disassembled from the front | |
| CN202501615U (en) | High-efficient and environmentally-friendly vertical type counter-burning hot water boiler | |
| CN202253556U (en) | Horizontal counter-burning multi-pass environmentally-friendly and energy-saving boiler | |
| CN207179646U (en) | A kind of new full fin panel casing CFBB | |
| CN201715694U (en) | Large-capacity water pipe hot-water boiler | |
| RU69201U1 (en) | WATER AND GAS BOILER OF SMALL POWER WITH A HEAT OF A HIGH-TEMPERATURE BOILING LAYER | |
| CN201476291U (en) | Hot water boiler | |
| CN201731617U (en) | Horizontal pipe array hot water boiler | |
| CN201363883Y (en) | Integral fast-assembly single boiler barrel combined circulating pipe hot water boiler | |
| CN101187501A (en) | Low discharge high energy efficiency vertical shell type water-fire tube boiler | |
| CN107654990A (en) | A kind of vertical corner tube type bubbling bed boiler | |
| CN201475988U (en) | Fly ash recirculation device | |
| CN201715692U (en) | Automatic coal gasification control energy saving boiler | |
| CN101191661A (en) | Five-barrel longitudinal positioned type large-sized layer combustion water tube boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |