CN201047587Y - Triple barrel electric heating steam boiler taking stalk as fuel - Google Patents
Triple barrel electric heating steam boiler taking stalk as fuel Download PDFInfo
- Publication number
- CN201047587Y CN201047587Y CNU2007201517260U CN200720151726U CN201047587Y CN 201047587 Y CN201047587 Y CN 201047587Y CN U2007201517260 U CNU2007201517260 U CN U2007201517260U CN 200720151726 U CN200720151726 U CN 200720151726U CN 201047587 Y CN201047587 Y CN 201047587Y
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- drum
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- burner hearth
- flue
- heat room
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Abstract
The utility model relates to an electric steam boiler which is provided with three linked boiler drums and takes straws as fuel. The utility model comprises three vertical boiler drums, an ignition chamber, a front flue and a back flue. An integrated heat exchanging chamber is arranged at the bottom of each boiler drum, and a hearth is arranged in the middle of the heat exchanging chamber and the hearth is horizontally penetrated with the heat exchanging chamber, and an upper cavity and a lower cavity of the heat exchanging chamber are communicated with each other through a flow guiding bundle which vertically runs through the hearth. And the front end of the ignition chamber is communicated with a fan, and the back end of the ignition chamber is communicated with the front end of the hearth. And the three hearths are in series communicated through a fire channel, and a third hearth is in series communicated with the front flue through the fire channel, and the periphery of the front flue is sleeved with a water-filling pot. The top port of the front flue is communicated with the top port of the back flue through a connecting elbow, and the bottom port of the back flue is communicated with a suction ventilator, and the periphery of the back flue is sleeved with a water cooling pot. A plurality of lines of horizontal electric heating tubes are inserted and arranged on drum walls of the three boiler drums, steam drums are respectively arranged on tops of the three boiler drums and are communicated through a steam guiding tube. The utility model adopts straws as main heating supply and electric heating tubes as assistant heating supply so as to generate excessive steams, leading the pressure and temperature of steams generated by the boiler to satisfy the electricity-generating requirement.
Description
Technical field
The utility model belongs to the Industrial Boiler field, specifically, is a kind of steam boiler that is used for the thermal power plant.
Background technology
The boiler that use in existing thermal power plant all is a coal-burning boiler, a large amount of coal resources have been consumed, owing to relate to problems such as desulfurization, dedusting, deslagging, therefore, the structure of coal-burning boiler is all quite complicated, the cost of operation and maintenance is very high, and coal can produce solid slag, intractable after burning.Coal is fossil fuel, the same with oil, natural gas, it is non-renewable primary energy, because primary energy is in short supply, price is constantly soaring, become the common significant problem of paying close attention to of international community, in order to deal with the shortage of primary energy, the reproducible energy is all actively being made great efforts to seek in countries in the world, and efficiently utilize, straw is the discarded object of agricultural production, and the main kind of straw has wheat straw, corn stalk, paddy stalk, cotton straw and fruit tree branch etc., is reproducible biomass energy.In the vast rural area of China, straw is usually by as discarded object, incinerate in vain in the field, this has not only wasted valuable resource, pollutant atmosphere also, if with the fuel of straw as steam boiler, the steam of generation can be used for generating or central heating, have the social benefit of energy savings, minimizing environmental pollution, good economic benefits is also arranged.But existing is that the boiler of fuel exists defectives such as the thermal efficiency is low, the steam generation time is long, the steam production in the unit interval is low with the straw, and the steam pressure of generation and temperature are difficult to reach the requirement in power plant.
The utility model content
It is three drum electric heating steam boilers of fuel with the straw that order of the present utility model provides a kind of, is heated to be the master with straw, is heated to be auxilliaryly with electrothermal tube, produces superheated steam, and the pressure of steam and temperature all can satisfy the generating requirement.
For achieving the above object, the utility model is by the following technical solutions:
A kind of is three drum electric heating steam boilers of fuel with the straw, comprises first, second, third drum and ignition chamber, preceding flue, rear pass, it is characterized in that:
Described first, second, third drum all is vertical drum, these three drums are arranged side by side, and described ignition chamber is horizontal ignition chamber, and this ignition chamber is arranged in the place ahead of first drum, flue, rear pass all are vertical flue before described, and this preceding flue, rear pass are arranged in the rear of the 3rd drum;
First Heat Room of disjunctor is arranged at the bottom of described first drum, the middle part of first Heat Room is provided with first burner hearth, this first burner hearth laterally runs through first Heat Room, and the epicoele of first Heat Room and cavity of resorption are communicated with by the tube bank of first water conservancy diversion, and this first water conservancy diversion tube bank vertically runs through first burner hearth;
Second Heat Room of disjunctor is arranged at the bottom of described second drum, the middle part of second Heat Room is provided with second burner hearth, this second burner hearth laterally runs through second Heat Room, and the epicoele of second Heat Room and cavity of resorption are communicated with by the tube bank of second water conservancy diversion, and this second water conservancy diversion tube bank vertically runs through second burner hearth;
The 3rd Heat Room of disjunctor is arranged at the bottom of described the 3rd drum, the middle part of the 3rd Heat Room is provided with the 3rd burner hearth, the 3rd burner hearth laterally runs through the 3rd Heat Room, and the epicoele of the 3rd Heat Room and cavity of resorption are communicated with by the tube bank of the 3rd water conservancy diversion, and the tube bank of the 3rd water conservancy diversion vertically runs through the 3rd burner hearth;
The front end of described ignition chamber is communicated with air blast, the rear end of ignition chamber is communicated with the front end of first burner hearth, be connected in series connection by first quirk between first burner hearth and second burner hearth, be connected in series connection by second quirk between second burner hearth and the 3rd burner hearth, be connected in series connection by the 3rd quirk between the bottom nozzle of the 3rd burner hearth and preceding flue, the outer race of preceding flue is equipped with replenisher tank, the top ports of preceding flue is communicated with the top ports of rear pass by connecting bend pipe, the bottom nozzle of this rear pass is communicated with air-introduced machine, and the outer race of rear pass is equipped with chilled water tank;
All be fitted with many horizontal rows on the barrel of described first, second, third drum to electrothermal tube, be respectively arranged with first, second, third drum at the top of first, second, third drum, these three drums are communicated with by steam guiding tube.Be furnished with many gear ash rods before described in the flue.Be furnished with many row's fins on the lateral wall of described rear pass.Described ignition chamber is provided with many row's igniters.Described first, second quirk is provided with material-feeding port.
The utility model has following positive beneficial effect:
1. adopt three drums, each drum has Heat Room separately, and three interior burner hearths of Heat Room are cascaded, form the long passage that overdoes, prolonged the holdup time of straw in stove, make the straw burning more abundant, thereby improved the thermal efficiency of boiler, and reduced dust emissions.
2. this product is heated to be the master with straw, does not need to use fossil fuel, is auxilliary with electrical heating, on drum, be provided with many row's electrothermal tubes, steam is heated once more, produce superheated steam, improve the output and the quality of steam, guarantee that drum outlet steam temperature and pressure reach the requirement of generating.
3. the straw after the mode of employing wind-force feeding directly will be pulverized is blown into ignition chamber, does not need artificial feeding, has reduced labour intensity, and the straw of pulverizing is fully burning easily, has improved the thermal efficiency of boiler.
4. after the straw burning, have the straw ash that some do not burn in the flue gas, if directly entering rear pass cools off, easily slagging scorification on the rear pass sidewall, dust stratification of straw ash then.For this reason, the utility model is provided with retaining ash rod in preceding flue, retaining ash rod is made by metal bar, and preceding flue is communicated with the 3rd quirk, temperature is very high, keep off grey rod and be in the red state of red-hot burning, can play combustion-supporting effect, the straw ash fusing point is low, flue gas is parallel baffled when rod retaining ash from bottom to top, straw ash in the flue gas can carry out second-time burning and be burnt fully, thereby realizes automatic ash removing, slagging-off, and can further improve the thermal efficiency and smoke medicining dust-removing effect.
5. the outer race at preceding flue is equipped with replenisher tank, during the straw ash second-time burning, can form the secondary heat release, and heat is absorbed by the water in the replenisher tank, realizes preheating, and water enters in three drums by water return pipeline after the preheating, thereby has fully effectively utilized heat energy.
6. the outer race at rear pass is equipped with chilled water tank; flue gas is after the heat release of preceding flue secondary; under the suction function power of air-introduced machine; enter rear pass through connecting bend pipe; be furnished with the fin that queues thermolysis more on the lateral wall of rear pass, can strengthen area of dissipation, the water that the waste heat in the flue gas is cooled in the water pot absorbs; reduced the temperature that flue gas is discharged, can protect air-introduced machine not burnt out by hot flue gas.
7. first, second quirk is provided with material-feeding port, is blown into the straw of pulverizing by material-feeding port, and making has enough fuel in second, third burner hearth, guarantees that second, third drum produces high temperature, high steam.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the partial enlarged drawing of Fig. 2.
The specific embodiment
Number in the figure
The tube bank of 1 first drum, 11 first Heat Rooms, 111 first burner hearths, 110 first water conservancy diversion
The tube bank of 2 second drums, 22 second Heat Rooms, 222 second burner hearths, 220 second water conservancy diversion
The tube bank of 3 the 3rd drums 33 the 3rd Heat Room 333 the 3rd burner hearth 330 the 3rd water conservancy diversion
9 steam guiding tubes, 10 electrothermal tubes, 20 electrothermal tubes, 30 electrothermal tubes
100 first quirks, 200 second quirks 300 the 3rd quirk
101 first drums, 202 second drums 303 the 3rd drum
44 igniters, 55 retaining ash rods 56 connect bend pipe 66 fins
50 replenisher tanks, 60 chilled water tanks, 70 feed supplements, 80 material-feeding ports
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model be a kind of be three drum electric heating steam boilers of fuel with the straw, comprise first, second, third drum 1,2,3 and ignition chamber 4, preceding flue 5, rear pass 6.
First, second, third drum 1,2,3 all is vertical drum, these three drums are arranged side by side, and ignition chamber 4 is horizontal ignition chamber, and ignition chamber 4 is arranged in the place ahead of first drum 1, preceding flue 5, rear pass 6 all are vertical flue, and this preceding flue 5, rear pass 6 are arranged in the rear of the 3rd drum 3;
The 3rd Heat Room 33 of disjunctor is arranged at the bottom of the 3rd drum 3, the middle part of the 3rd Heat Room 33 is provided with the 3rd burner hearth 333, the 3rd burner hearth 333 laterally runs through the 3rd Heat Room 33, the epicoele of the 3rd Heat Room and cavity of resorption are communicated with by the 3rd water conservancy diversion tube bank 330, and the 3rd water conservancy diversion tube bank 330 vertically runs through the 3rd burner hearth 333; Three burner hearths are cascaded, and form the long passage that overdoes, and have prolonged the time of staying of straw in stove, and the straw burning is more abundant, has improved the thermal efficiency of boiler, and has reduced dust emissions.
The front end of ignition chamber 4 is communicated with air blast 7, the rear end of ignition chamber 4 is communicated with the front end of first burner hearth 111, be connected in series connection by first quirk 100 between first burner hearth 111 and second burner hearth 222, be connected in series connection by second quirk 200 between second burner hearth 222 and the 3rd burner hearth 333, be connected in series connection by the 3rd quirk 300 between the bottom nozzle of the 3rd burner hearth 333 and preceding flue 5.
Be provided with many row's igniters 44 in the ignition chamber 4.Straw after air blast 7 directly will be pulverized is blown in the ignition chamber 4, does not need artificial feeding, has reduced labour intensity, and the straw of pulverizing is fully burning easily, has improved the thermal efficiency of boiler.
Be respectively arranged with material- feeding port 70,80 on first, second quirk 100,200, be blown into the straw of pulverizing by material- feeding port 70,80, making in second, third burner hearth 222,333 has enough fuel make ups, guarantees that second, third drum 2,3 also can produce high temperature, high steam.
Be fitted with many horizontal rows on the barrel of first drum 1 to electrothermal tube 10, be fitted with many horizontal rows on the barrel of second drum 2 to electrothermal tube 20, be fitted with many horizontal rows on the barrel of the 3rd drum 3 to electrothermal tube 30, electrothermal tube 10,20,30 can be the resistance-type electrothermal tube of U-shaped, the top of first drum 1 is provided with first drum 101, the top that the top of second drum 2 is provided with second drum, 202, the three drums 3 is provided with the 3rd drum 303, and these three drums are communicated with by steam guiding tube 9.This product is heated to be the master with straw, and electrical heating is auxilliary, and the steam in 10,20,30 pairs of drums of electrothermal tube heats once more, produces superheated steam, improves the output and the quality of steam, guarantees that drum outlet steam temperature and pressure reach the requirement of generating.
The outer race of preceding flue 5 is equipped with replenisher tank 50, and the top ports of preceding flue 5 is communicated with the top ports of rear pass 6 by connecting bend pipe 56, and the bottom nozzle of this rear pass 6 is communicated with air-introduced machine 8.
Be furnished with many gears ash rods 55 in the preceding flue 5.After the straw burning, have the straw ash that some do not burn in the flue gas, if directly entering rear pass 6 cools off, easily slagging scorification on rear pass 6 sidewalls, dust stratification of straw ash then.For this reason, the utility model is communicated with the top of rear pass 6 top of preceding flue 5 with connecting bend pipe 56, make flue gas flow direction turnover occur, and retaining ash in the preceding flue excellent 55 is made by metallic rod, preceding flue 5 is communicated with the 3rd quirk 300, thereby temperature is very high, and retaining ash rod 55 is in the red state of red-hot burning, can play combustion-supporting effect, and the straw ash fusing point is low, flue gas washed away the retaining ash from bottom to top at excellent 55 o'clock, and the straw ash in the flue gas can carry out second-time burning and be burnt fully, thereby realized automatic ash removing, slagging-off.
Outer race at preceding flue 5 is equipped with replenisher tank 50, during the straw ash second-time burning, can form the secondary heat release, and heat is absorbed by the water in the replenisher tank 50, realizes preheating, and water enters in three drums by water return pipeline after the preheating, thereby has fully effectively utilized heat energy.
Outer race at rear pass 6 is equipped with chilled water tank 60; flue gas is after preceding flue 5 secondary heat releases; under the suction function power of air-introduced machine 8; enter rear pass 6 through connecting bend pipe 56; be furnished with the fin 66 that queues thermolysis more on the lateral wall of rear pass 6, can strengthen area of dissipation, the water that the waste heat in the flue gas is cooled in the water pot 60 absorbs; reduced the operating temperature that flue gas is discharged, can protect air-introduced machine 8 not burnt out by hot flue gas.
Claims (5)
1. one kind is three drum electric heating steam boilers of fuel with the straw, comprises first, second, third drum and ignition chamber, preceding flue, rear pass, it is characterized in that:
Described first, second, third drum all is vertical drum, these three drums are arranged side by side, and described ignition chamber is horizontal ignition chamber, and this ignition chamber is arranged in the place ahead of first drum, flue, rear pass all are vertical flue before described, and this preceding flue, rear pass are arranged in the rear of the 3rd drum;
First Heat Room of disjunctor is arranged at the bottom of described first drum, the middle part of first Heat Room is provided with first burner hearth, this first burner hearth laterally runs through first Heat Room, and the epicoele of first Heat Room and cavity of resorption are communicated with by the tube bank of first water conservancy diversion, and this first water conservancy diversion tube bank vertically runs through first burner hearth;
Second Heat Room of disjunctor is arranged at the bottom of described second drum, the middle part of second Heat Room is provided with second burner hearth, this second burner hearth laterally runs through second Heat Room, and the epicoele of second Heat Room and cavity of resorption are communicated with by the tube bank of second water conservancy diversion, and this second water conservancy diversion tube bank vertically runs through second burner hearth;
The 3rd Heat Room of disjunctor is arranged at the bottom of described the 3rd drum, the middle part of the 3rd Heat Room is provided with the 3rd burner hearth, the 3rd burner hearth laterally runs through the 3rd Heat Room, and the epicoele of the 3rd Heat Room and cavity of resorption are communicated with by the tube bank of the 3rd water conservancy diversion, and the tube bank of the 3rd water conservancy diversion vertically runs through the 3rd burner hearth;
The front end of described ignition chamber is communicated with air blast, the rear end of ignition chamber is communicated with the front end of first burner hearth, be connected in series connection by first quirk between first burner hearth and second burner hearth, be connected in series connection by second quirk between second burner hearth and the 3rd burner hearth, be connected in series connection by the 3rd quirk between the bottom nozzle of the 3rd burner hearth and preceding flue, the outer race of preceding flue is equipped with replenisher tank, the top ports of preceding flue is communicated with the top ports of rear pass by connecting bend pipe, the bottom nozzle of this rear pass is communicated with air-introduced machine, and the outer race of rear pass is equipped with chilled water tank;
All be fitted with many horizontal rows on the barrel of described first, second, third drum to electrothermal tube, be respectively arranged with first, second, third drum at the top of first, second, third drum, these three drums are communicated with by steam guiding tube.
2. as claimed in claim 1 is three drum electric heating steam boilers of fuel with the straw, it is characterized in that: be furnished with many gear ash rods before described in the flue.
3. as claimed in claim 1 is three drum electric heating steam boilers of fuel with the straw, it is characterized in that: be furnished with many row's fins on the lateral wall of described rear pass.
4. as claimed in claim 1 is three drum electric heating steam boilers of fuel with the straw, it is characterized in that: be provided with many row's igniters in the described ignition chamber.
5. as claimed in claim 1 is three drum electric heating steam boilers of fuel with the straw, and it is characterized in that: described first, second quirk is provided with material-feeding port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201517260U CN201047587Y (en) | 2007-06-22 | 2007-06-22 | Triple barrel electric heating steam boiler taking stalk as fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201517260U CN201047587Y (en) | 2007-06-22 | 2007-06-22 | Triple barrel electric heating steam boiler taking stalk as fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201047587Y true CN201047587Y (en) | 2008-04-16 |
Family
ID=39300171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201517260U Expired - Fee Related CN201047587Y (en) | 2007-06-22 | 2007-06-22 | Triple barrel electric heating steam boiler taking stalk as fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201047587Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392904B (en) * | 2008-11-17 | 2011-11-09 | 田应官 | Gas compensation type electric heating steam boiler burning by rotating by biomass as fuel |
| CN108822876A (en) * | 2018-06-21 | 2018-11-16 | 中国二十二冶集团有限公司 | Coke oven divides flue bent pipe construction method of installation and dedicated wooden box |
| CN111156532A (en) * | 2020-02-27 | 2020-05-15 | 四川恒泰环境技术有限责任公司 | VOCs processing method and device |
-
2007
- 2007-06-22 CN CNU2007201517260U patent/CN201047587Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392904B (en) * | 2008-11-17 | 2011-11-09 | 田应官 | Gas compensation type electric heating steam boiler burning by rotating by biomass as fuel |
| CN108822876A (en) * | 2018-06-21 | 2018-11-16 | 中国二十二冶集团有限公司 | Coke oven divides flue bent pipe construction method of installation and dedicated wooden box |
| CN111156532A (en) * | 2020-02-27 | 2020-05-15 | 四川恒泰环境技术有限责任公司 | VOCs processing method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 |