CN203848265U - Membrane-wall hearth heat energy center - Google Patents
Membrane-wall hearth heat energy center Download PDFInfo
- Publication number
- CN203848265U CN203848265U CN201420167239.3U CN201420167239U CN203848265U CN 203848265 U CN203848265 U CN 203848265U CN 201420167239 U CN201420167239 U CN 201420167239U CN 203848265 U CN203848265 U CN 203848265U
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- CN
- China
- Prior art keywords
- flue
- membrane wall
- membrane
- vertical shaft
- hearth
- 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.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 55
- 239000007789 gas Substances 0.000 claims description 22
- 239000003546 flue gas Substances 0.000 claims description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 18
- 239000002023 wood Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract 3
- 239000003921 oil Substances 0.000 description 26
- 239000003925 fat Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a membrane-wall hearth heat energy center which can provide required steam, hot oil and hot smoke for artificial board manufacture and can be adjusted as required. The membrane-wall hearth heat energy center comprises a furnace body, wherein a boiler barrel is arranged above the furnace body, a membrane-wall hearth and a membrane-wall burnout chamber which are communicated are arranged in the furnace body, one side of the membrane-wall burnout chamber of the furnace body is provided with a flue vertical shaft, the membrane-wall burnout chamber is communicated with an air inlet at the bottom of the flue vertical shaft though a smoke diversion chamber on the lower side, a smoke outlet at the top of the flue vertical shaft is communicated with an induced draft fan, a reciprocating grate combustion device is arranged under an opening under the membrane-wall hearth, a first flue, a second flue and a third flue which are independent are arranged in the flue vertical shaft, a moisture convection bank is arranged in the first flue and connected with the boiler barrel, and the outlet end of the first flue is provided with a first flue adjusting door. A heat conducting oil circulating pipeline is arranged in the second flue, and the outlet end of the second flue is provided with a second flue adjusting door.
Description
Technical field
The utility model relates to boiler, thermal hardware technical field, especially a kind of membrane wall hearth-type heating center.
Background technology
Wood-based plate mainly comprises glued board, particieboard and fiberboard three major types product.Steam, deep fat, hot flue gas are 3 kinds of essential thermal mediums of wood-based plate manufacturing enterprise, and these 3 kinds of thermal mediums are provided by heating center conventionally.Although the biomass energy of usining existing can provide steam, deep fat, 3 kinds of thermal mediums of hot flue gas as the adiabatic furnace band 3 Lu Shi heating center of fuel, but because its adiabatic furnace top 3 faces have 3 outlet flues, wherein a road outlet flue connects waste heat steam boiler, be used for producing the saturated vapor of 1.6MPa, to meet the vapour of using of the equipment such as defibrator; Another road outlet flue connects afterheat conduction oil stove, is used for producing the conduction oil of 250 ℃～280 ℃, for equipment deep fats such as hot presses; Third Road outlet flue connects flue gas mixing-chamber, part high-temperature flue gas from adiabatic furnace, at mixing chamber, mix with the tail gas from waste heat steam boiler and afterheat conduction oil stove, and add normal temperature air, make its temperature drop to 350 ℃, enter total air-introduced machine at total multi-tube dust cleaner and rear portion thereof, then send into drying air fan for dried fibres.In this heating center structure, take plane figure as main, thereby cause this heating center's floor space large.And because all needing to configure cyclone dust collectors and blower fan along separate routes after waste heat steam boiler and afterheat conduction oil stove, blower fan all configures by the cigarette temperature of 350 ℃ along separate routes, the blower fan number of units of overall adapted is many, and total power consumption is large, has also increased the up-front investment of equipment simultaneously.This heating center's adiabatic furnace is made with refractory material, and it is highly restricted, and aging along with refractory material within general 3～5 years, will change burner hearth, thereby the maintenance cost of equipment is also relatively high.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, provide a kind of membrane wall hearth-type heating center, to solve the problem existing in background technology.
The utility model solves the technical scheme that its technical problem adopts: a kind of membrane wall hearth-type heating center, can be wood-based plate manufacture required steam is provided, three kinds of heat energy of deep fat and hot flue gas, and can regulate as required, comprise body of heater, body of heater top is provided with drum, in body of heater, be provided with the membrane wall burner hearth and the membrane wall secondary furnace that are interconnected, described body of heater membrane wall secondary furnace one side is provided with flue vertical shaft, described membrane wall secondary furnace is by being arranged on the gas reversal chamber of its downside and the air inlet of flue silo bottom communicates, gas outlet and the air-introduced machine at flue vertical shaft top are connected, described membrane wall burner hearth under shed below is provided with reciprocal grate burner, in described flue vertical shaft, be provided with the first separate flue, the second flue and the 3rd flue, in described the first flue, be provided with steam convection bank, steam convection bank is connected with drum, the first flue outlet end is provided with the first flue adjustment doors, in described the second flue, be provided with conduction oil circulation line, the second flue outlet end is provided with the second flue adjustment doors.
For separating membrane type fireplace thorax and membrane wall secondary furnace, between membrane wall burner hearth and membrane wall secondary furnace, be provided with membrane wall isolation parapet, the exhaust gases passes that membrane wall burner hearth and membrane wall secondary furnace are isolated parapet top by membrane wall communicates.
For ease of removing the dust stratification in gas reversal chamber, described gas reversal chamber bottom is provided with ash hole.
For improving the heat exchange efficiency of hot flue gas and conduction oil, conduction oil circulation line comprises three groups of snakelike thermal conductive oil pipelines that are connected by oil pump successively, and three groups of snakelike thermal conductive oil pipelines are fixed on the second flue inwall from top to bottom successively.
The beneficial effects of the utility model are: the utility model adopts " M " type structure, and energy control combustion time and furnace exit temperature, can control the generation of pernicious gas to greatest extent; Membrane wall secondary furnace has not only reduced flue-gas temperature, has solidified the soot particle in flue gas, and in the gas reversal chamber of bottom, sedimentation 70% bulky grain dust, avoided the easy clogging phenomenon of rear portion convection tube; Three road flues coexist in flue vertical shaft, thereby this heating center's floor space is less, can outdoorly arrange; The flue of producing steam and deep fat does not all need to configure in addition cyclone dust collectors and shunt blower fan, the only equipment heat supply for wanting of deep fat design, thermal power is less, thermal oil system oil pipe caliber is little, few by oil mass, oil circulating pump power is also little, fuel-efficient also power saving, thereby this heating center's installed power is less, also reduced the early investment of equipment simultaneously; Membrane wall hearth combustion space is large, and before and after it, arch props up and hangs structure for water pipe water-cooled, and after arch moulding, firmly durable, the life-span is long, and maintenance cost is low.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model flue vertical shaft cross section.
In figure: 1. drum; 2. body of heater; 3. flue vertical shaft; 4. gas reversal chamber; 5. the first flue; 6. the second flue; 7. the 3rd flue; 8. the first flue adjustment doors; 9. steam convection bank; 10. the second flue adjustment doors; 11. snakelike thermal conductive oil pipelines; 12. membrane wall isolation parapets; 13. exhaust gases passes.
The specific embodiment
By reference to the accompanying drawings the utility model is further described now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As Fig. 1, a kind of membrane wall hearth-type heating center shown in 2, can be wood-based plate manufacture required steam is provided, three kinds of heat energy of deep fat and hot flue gas, and can regulate as required, comprise body of heater 2, body of heater 2 tops are provided with drum 1, in body of heater 2, be provided with the membrane wall burner hearth and the membrane wall secondary furnace that are interconnected, membrane wall burner hearth and membrane wall secondary furnace inwall are respectively equipped with the membrane wall of producing steam, the steam that membrane wall is produced is sent to drum 1 by pipeline, described body of heater membrane wall secondary furnace one side is provided with flue vertical shaft 3, described membrane wall secondary furnace is by being arranged on the gas reversal chamber 4 of its downside and the air inlet of flue vertical shaft 3 bottoms communicates, gas outlet and the air-introduced machine at flue vertical shaft 3 tops are connected, described membrane wall burner hearth under shed below is provided with reciprocal grate burner, in described flue vertical shaft 3, be provided with the first separate flue 5, the second flue 6 and the 3rd flue 7, in described the first flue 5, be provided with the steam convection bank 9 of steaming, steam convection bank 9 is connected with drum 1, first flue 5 ports of export are provided with the first flue adjustment doors 8, in described the second flue 6, be provided with the conduction oil circulation line that deep fat is provided for oil-using units, second flue 6 ports of export are provided with the second flue adjustment doors 10.
For separating membrane type fireplace thorax and membrane wall secondary furnace, between membrane wall burner hearth and membrane wall secondary furnace, be provided with membrane wall isolation parapet 12, the exhaust gases passes 13 that membrane wall burner hearth and membrane wall secondary furnace are isolated parapet 12 tops by membrane wall communicates.
For ease of removing the dust stratification in gas reversal chamber 4, described gas reversal chamber 4 bottoms are provided with ash hole.
For improving the heat exchange efficiency of hot flue gas and conduction oil, conduction oil circulation line comprises three groups of snakelike thermal conductive oil pipelines 11, three groups of snakelike thermal conductive oil pipelines 11 are connected by being arranged on the oil pump of flue vertical shaft 3 outsides successively, and three groups of snakelike thermal conductive oil pipelines 11 are fixed on the second flue 6 inwalls from top to bottom successively.
When this heating center turns round, the hot flue gas that on reciprocal grate burner, firing biomass fuel produces enters flue vertical shaft 3 by the air inlet of membrane wall burner hearth, exhaust gases passes 13, membrane wall secondary furnace, gas reversal chamber 4, flue vertical shaft 3 bottoms successively, the hot flue gas that enters flue vertical shaft 3 is divided into three tunnels, entering respectively the first flue 5, the second flue 6 and the 3rd flue 7 to the place, gas outlet at flue vertical shaft 3 tops mixes, the normal temperature air mixing temperature adjustment of reinjecting, mixed flue gas is delivered to the equipment that uses hot flue gas by air-introduced machine; For regulating the evaporation capacity for engine of 9 pairs of drums 1 of steam convection bank, the hot flue gas flow of controlling in the first flue 5 by the first flue adjustment doors 8; The hot flue gas flow of controlling in the second flue 6 by the second flue adjustment doors 10, the i.e. quantity of heat production of conduction oil in adjustable conduction oil circulation line.
To produce 200000～250,000 m per year
3the use heat of medium density fibre board (MDF) is example, 3 kinds of thermal mediums by heat ratio, be steam 38.5%(containing vapour 26% for defibrator), conduction oil 9.5%, hot flue gas 52%.This heating center three road flue gases be take control conduction oil quantity of heat production as master regulates, and are guaranteeing that heat-conduction oil heat power meets under the prerequisite of Production requirement, carrys out reasonable distribution steam consumption.
Above-mentioned embodiment is only explanation technical conceive of the present utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and be implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (4)
1. a membrane wall hearth-type heating center, can be wood-based plate manufacture required steam is provided, three kinds of heat energy of deep fat and hot flue gas, and can regulate as required, comprise body of heater (2), body of heater (2) top is provided with drum (1), in body of heater (2), be provided with the membrane wall burner hearth and the membrane wall secondary furnace that are interconnected, described body of heater membrane wall secondary furnace one side is provided with flue vertical shaft (3), described membrane wall secondary furnace communicates by being arranged on the gas reversal chamber (4) of its downside and the air inlet bottom flue vertical shaft (3), gas outlet and the air-introduced machine at flue vertical shaft (3) top are connected, described membrane wall burner hearth under shed below is provided with reciprocal grate burner, it is characterized in that: in described flue vertical shaft (3), be provided with separate the first flue (5), the second flue (6) and the 3rd flue (7), in described the first flue (5), be provided with steam convection bank (9), steam convection bank (9) is connected with drum (1), the first flue (5) port of export is provided with the first flue adjustment doors (8), in described the second flue (6), be provided with conduction oil circulation line, the second flue (6) port of export is provided with the second flue adjustment doors (10).
2. membrane wall hearth-type according to claim 1 heating center, it is characterized in that: between described membrane wall burner hearth and membrane wall secondary furnace, be provided with membrane wall isolation parapet (12), the exhaust gases passes (13) that membrane wall burner hearth and membrane wall secondary furnace are isolated parapet (12) top by membrane wall communicates.
3. membrane wall hearth-type according to claim 1 heating center, is characterized in that: described gas reversal chamber (4) bottom is provided with ash hole.
4. membrane wall hearth-type according to claim 1 heating center, it is characterized in that: described conduction oil circulation line comprises three groups of snakelike thermal conductive oil pipelines (11) that are connected by oil pump successively, and three groups of snakelike thermal conductive oil pipelines (11) are fixed on the second flue (6) inwall from top to bottom successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167239.3U CN203848265U (en) | 2014-04-08 | 2014-04-08 | Membrane-wall hearth heat energy center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167239.3U CN203848265U (en) | 2014-04-08 | 2014-04-08 | Membrane-wall hearth heat energy center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848265U true CN203848265U (en) | 2014-09-24 |
Family
ID=51561276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167239.3U Expired - Fee Related CN203848265U (en) | 2014-04-08 | 2014-04-08 | Membrane-wall hearth heat energy center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925588A (en) * | 2014-04-08 | 2014-07-16 | 常州市锅炉设备有限公司 | Membrane-type-wall hearth-type heat energy center |
| CN112628699A (en) * | 2020-12-01 | 2021-04-09 | 中国船舶重工集团公司第七0三研究所 | Double-channel double-medium waste heat boiler |
-
2014
- 2014-04-08 CN CN201420167239.3U patent/CN203848265U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925588A (en) * | 2014-04-08 | 2014-07-16 | 常州市锅炉设备有限公司 | Membrane-type-wall hearth-type heat energy center |
| CN112628699A (en) * | 2020-12-01 | 2021-04-09 | 中国船舶重工集团公司第七0三研究所 | Double-channel double-medium waste heat boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |