CN204629521U - Suspension circulating fluidized bed boiler for treating food wastewater - Google Patents
Suspension circulating fluidized bed boiler for treating food wastewater Download PDFInfo
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- CN204629521U CN204629521U CN201520245949.8U CN201520245949U CN204629521U CN 204629521 U CN204629521 U CN 204629521U CN 201520245949 U CN201520245949 U CN 201520245949U CN 204629521 U CN204629521 U CN 204629521U
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- China
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- main body
- fluidized bed
- bed main
- fluid bed
- suspension
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- 239000002351 wastewater Substances 0.000 title claims abstract description 31
- 235000013305 food Nutrition 0.000 title claims abstract description 24
- 239000000725 suspension Substances 0.000 title claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 15
- 238000010992 reflux Methods 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 244000144985 peep Species 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract 2
- 239000007921 spray Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 18
- 239000002002 slurry Substances 0.000 description 15
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model discloses a suspension circulating fluidized bed boiler for disposing food wastewater, which comprises a fluidized bed main body (12), wherein the bottom of the fluidized bed main body (12) is provided with high-temperature fluidized filler (4), and densely distributed granulating spray heads (3) are arranged above the high-temperature fluidized filler (4); a horizontal vortex separator (2) is arranged behind the fluidized bed main body (12), and a heat exchange furnace (5) is arranged behind the horizontal vortex separator (2). The utility model discloses a low temperature of the organic mixed thick liquid of sewage, high-efficient clean burning, circulating fluidized bed boiler have load regulation performance good, the working costs is low, low in labor strength, to advantages such as strong adaptability of the organic mixed thick liquid of sewage. The utility model discloses a device convenient operation, easy maintenance, when handling waste water and can provide the device that burns of heat supply for the food enterprise to the high-efficient utilization of waste water has been realized.
Description
Technical field
The utility model relates to technical field of waste water processing in environmental project, is specifically related to a kind of its suspension circulating fluidized bed boiler device disposing food industry high concentrated organic wastewater.
Background technology
The waste water that in food industry discharge is large, concentration is high, colourity is large, has caused attention both domestic and external.According to relevant, the waste water that food industry produces every year accounts for 20% of industrial wastewater total release.In recent years, the food industry output of China is just with higher speed increment.Therefore, the pollution that causes of food industrial wastewater is very important.
The feature of food plant wastewater is that wastewater discharge is relatively less, and water quality variation is little, COD very high concentrations.Current domestic main disposal options is Anaerobic biotreatment method, can produce the component loops utilization that biogas reaches energy.But its system is very complicated, need very professional personal management, maintenance cost is higher.
Utility model content
The purpose of this utility model is the problem for solving current food treatment of Organic Wastewater, provides a kind of suspension CFBB for disposing food wastewater.
For solving this technical problem, the technical solution of the utility model is such:
The utility model proposes a kind of like this method disposing food industry high concentrated organic wastewater, it forms organic mixing after being mixed with oxidizing solids by organic wastewater to starch; Organic mixing slurry is entered in fluid bed burner hearth by the mode of water clock from the top down; Complete rapidly preheating, moisture evaporation, volatilization precipitation and ignition process under organic mixing slurry is in the heating of the red-hot bed material of high temperature of fluidized state in fluid bed burner hearth and burn.Because the food wastewater content of organic matter is higher, it is mixed (as coal dust, granule waste plastic etc.) with organic solid matter by method of the present utility model and burn, effectively can dispose food wastewater, burn the heat produced and also can go back to supply enterprise.Starch to make organic mixing and can be lighted rapidly, fluidized-bed combustion boiler planted agent forms hot environment, and therefore the temperature of the red-hot bed material of the high temperature of fluid bed burner hearth is between 850-950 DEG C.
Sewage still imperfect combustion in burner hearth organic mixing slurry group and disintegrate the fine grained that formed together with inert bed material by heat smoke band flake hearth-tapping by it, wherein larger particle returns lower furnace portion and proceeds fluidized bed combustion after being arranged on the horizontal roto-clone separator separation seizure of furnace outlet.And the isolated high-temperature gas of horizontal swirl separator, by carrying out heat exchange cooling in Cemented filling to heat-exchanging furnace, discharge finally by tail pipe.Tail pipe also can connect follow up device, as economizer, and sack cleaner etc., thus tail gas is further processed.
For realizing said method, the utility model proposes a kind of suspension CFBB for disposing food wastewater, it comprises a fluid bed main body, the high temperature fluidized filler as high temperature red-hot bed material is provided with in the bottom of this fluid bed main body, densely covered granulation shower nozzle is provided with above high temperature fluidized filler, granulation shower nozzle can make organic mixing starch and evenly enter fluid bed, and organic mixing that it is formed after organic wastewater being mixed with oxidizing solids is starched water clock and carried out heating and lighting above high temperature fluidized filler; Horizontal swirl separator is provided with at the rear of fluid bed main body, horizontal swirl separator connects fluid bed main body by the duct be arranged on above fluid bed burner hearth, the rear of horizontal swirl separator is provided with heat-exchanging furnace, and the two is connected by the tube connector of a conveying hot gas.
It is also provided with for the air blast to high temperature fluidized filler bottom blast, and wind is delivered to below high temperature fluidized filler by blower conduits by air blast, by air blast oxygen supply, and provides power for bed stream thus increases the efficiency of combustion in fluid bed burner hearth.The fluidized packing material charging aperture for supplementing high temperature fluidized filler is also provided with at the side of fluid bed main body.High temperature fluidized filler can adopt the materials such as quartz sand, its object is to as providing hot environment in burner hearth, is beneficial to the burning of organic mixing slurry.
Also being provided with the peep hole for observing situation in burner hearth at the side of fluid bed main body, the combustion case in burner hearth can be seen like this, and the Expenditure Levels of high temperature fluidized filler.
In horizontal swirl separator, be provided with residue reflux splitter, the top of this residue reflux splitter is provided with one piece for collecting the deflector of isolated solid residue.After horizontal swirl separator realizes solid and gas separation, unburnt solid granulates material reenters fluidized bed combustion, and improve efficiency of combustion, gaseous material then enters in heat-exchanging furnace.
In addition, be also provided with dumping pit in the below of high temperature fluidized filler, filler in bed can be laid down, be convenient to more to renew filler or maintenance and cleaning device.
The utility model achieves low temperature, the high performance clean burning of sewage organic mixing slurry, and CFBB has that load adjustment ability is good, operating cost is low, labour intensity is low, to advantages such as the strong adaptabilities of the organic mixing slurry of sewage.Device of the present utility model is easy to operate, can be the incinerator that food enterprise provides heat to supply while easy care, dispose of wastewater, thus achieves the efficiency utilization of waste water.And the integrated system of this device, floor space is little, easy to maintenance, and system without open, can protect surrounding enviroment substantially.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram of the present utility model.
Description of reference numerals: 1-fluid bed supports, the horizontal swirl separator of 2-, and 3-is granulated shower nozzle, the high temperature fluidized filler of 4-; 5-heat-exchanging furnace, 6-residue return duct, 7-air blast, 8-fluidized packing material charging aperture; 9-mixing slurry feed pipe, 10-residue reflux splitter, 11-deflector; 12-fluid bed main body, 13-air channel valve, 14-blower conduits; 15-peep hole, 16-duct, 17-tube connector; 18-dumping pit, 19-convergent tube connector, 20-tail pipe.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See Fig. 1, the structure of the suspension CFBB of this process food industry high concentrated organic wastewater of the present utility model is such, it comprises a fluid bed main body 12, and this fluid bed main body 12 supports 1 with fluid bed and supports, and fluid bed main body 12 inside is a fluid bed burner hearth.The rear of fluid bed main body 12 is provided with a horizontal swirl separator 2, the two is communicated with by duct 16, duct 16 is arranged on the higher position at fluid bed main body 12 rear, the high-temperature flue gas after burning is made to enter in horizontal swirl separator 2 like this, can avoid again bringing too much solid granulates into, horizontal swirl separator 2 is for carrying out solid and gas separation by the flue gas after burning.The rear of horizontal swirl separator 2 connects heat-exchanging furnace 5 by tube connector 17, and the top of heat-exchanging furnace 5 is provided with tail pipe 20, for connecting follow-up equipment, as sack cleaner, economizer etc.
The utility model is provided with high temperature fluidized filler 4 at the burner hearth bottom of fluid bed main body 12; be positioned at above burner hearth directly over high temperature fluidized filler 4 and be provided with densely covered granulation shower nozzle 3, the organic mixing as coal particle etc. is formed of organic wastewater and oxidizing solids is starched the top of water clock to high temperature fluidized filler 4 by granulation shower nozzle 3.Organic mixing slurry enters into granulation shower nozzle 3 by mixing slurry feed pipe 9.
In addition, it is also provided with the bottom oxygen supply of air blast 7 to high temperature fluidized filler 4, and wind is sent into fluid bed burner hearth bottom by blower conduits 14 by air blast 7, blower conduits 14 is provided with air channel gate 13 to control air intake.
At the side of fluid bed main body 12, be provided with fluidized packing material charging aperture 8 and peep hole 15, fluidized packing material charging aperture 8 is skewed slot pore passage structure, is as a rule to close, and just opens and uses when needs add fluidized packing material.Peep hole 15 is arranged on the below of fluidized packing material charging aperture 8, can be observed the situation in burner hearth, and outside transparent material is closed.
Dumping pit 18 is provided with, for discharging in the bottom of high temperature fluidized filler 4.
Residue reflux splitter 10 is provided with in horizontal swirl separator 2, for reclaiming isolating solid granulates in horizontal swirl separator 2, the top of this residue reflux splitter 10 is provided with one piece for collecting the deflector 11 of isolated solid residue, and isolated solid residue is sent back in fluid bed burner hearth by a residue return duct 6 by residue reflux splitter 10.
Above heat-exchanging furnace 5, be provided with a convergent tube connector 19 with tail pipe 20 joint portion, below this convergent tube connector 19, bore is comparatively large, and top bore is less, thus carries out every filter the solid particle do not eliminated in hot gas, to reduce the particulate matter entered in tail pipe 20.
When the utility model is implemented, as shown in Figure 1, first this high concentrated organic wastewater and organic solid combustion adjuvant (coal dust, granule waste plastic etc.) fully should be stirred in agitator tank, be sent by pumping to slurry can subsequently.
The organic mixing slurry of waste water in slurry can enters granulation shower nozzle 3 by mixing slurry feed pipe 9; to put in fluid bed burner hearth after turning to larger drop by granulation shower nozzle 3 and fall into lower furnace portion at its Action of Gravity Field; be filled with the red-hot high temperature fluidized filler 4 being in fluidized state in a large number in lower furnace portion, its temperature is at about 850-950 DEG C.
Sewage organic mixing slurry completes rapidly preheating under the heating of the red-hot high temperature fluidized bed material 4 in bottom, moisture evaporation, volatilization are separated out and ignition process start the combustion process of coke.Sewage still imperfect combustion in burner hearth organic mixing slurry group and disintegrate the fine grained that formed together with inert bed material by heat smoke band flake hearth-tapping by it, after wherein larger particle is arranged on the horizontal roto-clone separator 2 separation seizure of burner hearth duct 16 outlet, return lower furnace portion by residue reflux splitter 10 and proceed fluidized bed combustion, the high-temperature flue gas of gaseous state then enters heat-exchanging furnace 5 by tube connector 17, be provided with cold water pipe in heat-exchanging furnace 5 and carry out heat exchange cooling to high-temperature flue gas, the high-temperature steam simultaneously produced may be used for producing or life heat supply.The hot gas processed in heat-exchanging furnace 5 enters next treating apparatus by tail pipe 20, as sack cleaner or economizer etc., also can directly discharge.
Certainly, more than just embody rule example of the present utility model, the technical scheme that the utility model also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within the protection domain required by the utility model.
Claims (6)
1. one kind for disposing the suspension CFBB of food wastewater, it is characterized in that: it comprises a fluid bed main body (12), be provided with high temperature fluidized filler (4) in the bottom of this fluid bed main body (12), be provided with densely covered granulation shower nozzle (3) in the top of high temperature fluidized filler (4); Be provided with horizontal swirl separator (2) at the rear of fluid bed main body (12), the rear of horizontal swirl separator (2) is provided with heat-exchanging furnace (5).
2. the suspension CFBB for disposing food wastewater according to claim 1, is characterized in that: it is also provided with for the air blast (7) to high temperature fluidized filler (4) bottom blast.
3. the suspension CFBB for disposing food wastewater according to claim 1, is characterized in that: be also provided with the fluidized packing material charging aperture (8) for supplementing high temperature fluidized filler (4) at the side of fluid bed main body (12).
4. the suspension CFBB for disposing food wastewater according to claim 1, is characterized in that: be also provided with the peep hole (15) for observing situation in burner hearth at the side of fluid bed main body (12).
5. the suspension CFBB for disposing food wastewater according to claim 1, it is characterized in that: in horizontal swirl separator (2), be provided with residue reflux splitter (10), the top of this residue reflux splitter (10) is provided with one piece for collecting the deflector (11) of isolated solid residue.
6. the suspension CFBB for disposing food wastewater according to claim 1, is characterized in that: be also provided with dumping pit (18) in the below of described high temperature fluidized filler (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520245949.8U CN204629521U (en) | 2014-12-13 | 2015-04-22 | Suspension circulating fluidized bed boiler for treating food wastewater |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201420782324 | 2014-12-13 | ||
CN2014207823240 | 2014-12-13 | ||
CN201520245949.8U CN204629521U (en) | 2014-12-13 | 2015-04-22 | Suspension circulating fluidized bed boiler for treating food wastewater |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105042601A (en) * | 2014-12-13 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for treating high-concentration organic wastewater in food industry |
CN110030565A (en) * | 2019-05-20 | 2019-07-19 | 天津科技大学 | Organic liquid waste intermittent combustion pyrolysis installation and method |
-
2015
- 2015-04-22 CN CN201520245949.8U patent/CN204629521U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105042601A (en) * | 2014-12-13 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for treating high-concentration organic wastewater in food industry |
CN110030565A (en) * | 2019-05-20 | 2019-07-19 | 天津科技大学 | Organic liquid waste intermittent combustion pyrolysis installation and method |
CN110030565B (en) * | 2019-05-20 | 2020-05-08 | 天津科技大学 | Organic waste liquid pulsating combustion pyrolysis device and method |
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