CN104548758A - Method and equipment for treating tail gas from processing oils and fats - Google Patents
Method and equipment for treating tail gas from processing oils and fats Download PDFInfo
- Publication number
- CN104548758A CN104548758A CN201510049987.0A CN201510049987A CN104548758A CN 104548758 A CN104548758 A CN 104548758A CN 201510049987 A CN201510049987 A CN 201510049987A CN 104548758 A CN104548758 A CN 104548758A
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- China
- Prior art keywords
- tail gas
- burn pot
- tank
- combustion furnace
- pipeline
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
Abstract
The invention provides a method and equipment for treating a tail gas from processing oils and fats. The tail gas generated by processing oils and fats is discharged out of the upper part of an oxidation tank, and flows into a precipitation tank through a pipeline; the tail gas flows into the side of the lower part of the precipitation tank, and flows out of the upper part of the precipitation tank after being precipitated by the precipitation tank, and then the tail gas is conveyed to one end of a burning tank along a pipeline by a fan; a filling opening is formed in the other end of the burning tank, fuel is added to the burning tank through the filling opening, and the tail gas is burned in the burning tank after the fuel is ignited; the burned tail gas flows into a burning furnace arranged at the upper part of the burning tank, and is sufficiently burned along coil pipes in the burning furnace to reach the emission standard, and then the tail gas is discharged out of an opening in the upper part of the burning furnace. The treatment method provided by the invention has the advantages of simple equipment, convenience in operation, safety and reliability, energy conservation, reduction in environmental pollution, and maintenance of body health of oil and fat processing workers.
Description
Technical field
The invention belongs to tail gas disposal technique field, particularly a kind of fats and oils processing exhaust gas treating method and treatment facility.
Background technology
Fats and oils processing, particularly in fundamentals process, its tail gas produced comprises air, steam, solvent gas etc., the irritative gas sinapic acid etc. produced when also comprising high-temperature oxydation, these irritative gas sinapic acids have strong impulse to the eyes of human body and skin, and harm fats and oils processing workman's is healthy.Therefore and be not suitable for recovery although there is the method and apparatus of complicated recovery sinapic acid in prior art, for the fats and oils processing enterprise of general scale, sinapic acid content is little, and cost recovery is high and income is few.
Summary of the invention
The present invention is directed to above shortcoming, provide a kind of equipment simple, easy to operate fats and oils processing exhaust gas treating method, to reach the object of low-cost processes tail gas and safety and environmental protection.
For achieving the above object, the present invention takes following technical proposals to realize:
A kind of fats and oils processing exhaust gas treating method, comprises the following steps:
Step a, the tail gas that fats and oils processing produces is discharged from oxidation tank top, flows in settling tank by pipeline;
Step b, tail gas enters from the lower side of settling tank, after the precipitation of settling tank, flows out from the top of settling tank, by blower fan along Cemented filling in one end of burn pot;
Step c, the other end of burn pot is provided with feeding port, adds fuel from feeding port in burn pot, and after fire fuel, tail gas burns in burn pot;
Steps d, the tail gas after burning enters in the combustion furnace being arranged on burn pot top, the coil pipe in combustion furnace, after Thorough combustion, after reaching discharge standard, discharges from the opening of upper furnace.
Further, sinapic acid is contained in described tail gas.Sinapic acid at fats and oils processing, particularly occur in fundamentals to human body material excitatory, be detrimental to health and environment.
Preferably, described burn pot is horizontal tank, and tank horizontal direction one end is provided with feeding port, and the other end is provided with inlet exhaust gas.
Preferably, described fuel tank top is provided with the opening be connected with combustion furnace, and described openings of sizes is identical with combustion furnace inner coil pipe cross section size.
Optionally, described combustion furnace is cylindrical or cuboid.
Further, combustion furnace side is also provided with a tail gas diffluence pass, and described diffluence pass place is provided with a segment pipe and is connected with the connecting pipe between blower fan and burn pot.
Further, the pipeline of combustion furnace opening part is provided with valve, and when tail gas amount is greater than setting value, open valve, the tail gas transported by blower fan is divided into two-way, and a road directly enters in combustion furnace, and another road enters in burn pot; When tail gas amount is less than setting value, valve-off, the tail gas transported by blower fan is entered in fuel tank completely.
The present invention also provides a kind for the treatment of facility of fats and oils processing tail gas, comprises oxidation tank, settling tank, blower fan, burn pot and combustion furnace; Wherein oxidation tank top is provided with oxidation tank offgas outlet, and the lower side of settling tank is provided with settling tank gas inlet, is connected between oxidation tank offgas outlet and settling tank gas inlet by pipeline; Settling tank top is provided with settling tank offgas outlet, and settling tank offgas outlet is connected by pipeline with fans entrance, and the burn pot gas inlet that fan outlet and one end of burn pot are provided with is connected by pipeline; The other end of burn pot is provided with feeding port, for adding fuel; Combustion furnace is arranged on burn pot, and bottom and burn pot connecting place are provided with combustion furnace entrance, and be provided with stage coil pipe in combustion furnace, upper furnace is provided with offgas outlet.
Preferably, described fuel tank top is provided with the opening be connected with combustion furnace, and described openings of sizes is identical with combustion furnace inner coil pipe cross section size.
Preferably, described burn pot is horizontal tank, and one end of burn pot horizontal direction is provided with feeding port, and the other end is provided with burn pot gas inlet.
Optionally, described combustion furnace is cylindrical or cuboid.
As optional embodiment, the side of described combustion furnace is also provided with tail gas diffluence pass, and described tail gas diffluence pass is connected with the pipeline between fan outlet and burn pot gas inlet by pipeline; The pipeline of tail gas diffluence pass is also provided with valve.
In a word, beneficial effect of the present invention is: amount of grease, solvent liquid, steam that first fats and oils processing processing method of the present invention will take out of in high-temperature oxydation tank tail gas out, by the precipitation of settling tank, remove most of grease, solvent liquid etc. in tail gas; Then by blower fan, tail gas is delivered to burn pot, adds fuel in one end of burn pot and burn, because sinapic acid Thorough combustion afterproduct is water and carbon dioxide, therefore environmentally safe.In exhaust combustion process, this invention takes multinomial measure and ensure the abundant of burning, first, tail gas enters from one end of burn pot, and fuel adds, after fire fuel from the feeding port of the other end of burn pot, tail gas flows to the other end from one end of burn pot, catalytic combustion abundant with fuel; Secondly on burn pot, be provided with combustion furnace, be provided with stage coil pipe in combustion furnace, the tail gas after burning enters in combustion furnace from burn pot, spirals up along coil pipe, Thorough combustion; In addition the junction opening between burn pot and combustion furnace and coil pipe cross section in the same size, relative to the area of burn pot, coil pipe space is very little, and spiral up, resistance is large, and therefore the tail gas rate of climb is very slow, thus can ensure fully carrying out of burning further.By above-mentioned design, the sinapic acid in the tail gas in the present invention, particularly tail gas can Thorough combustion, ensures the gas environmentally safe produced, non-stimulated to human body.
In sum, processing method equipment of the present invention is simple, easy to operate, safe and reliable, saves the energy, reduces environmental pollution, maintaining grease workers processing healthy.
Accompanying drawing explanation
Fig. 1 is the treatment facility schematic diagram of fats and oils processing tail gas in one embodiment of the invention.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing.
Fig. 1 is the treatment facility schematic diagram of fats and oils processing tail gas in one embodiment of the invention.As shown in Figure 1, the treatment facility of the fats and oils processing tail gas in the present embodiment, comprises oxidation tank 1, settling tank 2, blower fan 3, burn pot 4 and combustion furnace 5.
Oxidation tank 1 is fats and oils processing visual plant, generally at high temperature runs, and temperature is 200-270 degrees centigrade.This process and before can produce a large amount of tail gas in step, comprise air, steam, solvent gas etc., the irritative gas sinapic acid etc. produced when also comprising high-temperature oxydation, irritative gas is wherein to the health of fats and oils processing workman, especially eye injury and large is also larger to ambient influnence.Oxidation tank 1 top is provided with oxidation tank offgas outlet, and from then on tail gas export and flow out through pipeline.
The lower side of settling tank 2 is provided with settling tank gas inlet, is connected between oxidation tank offgas outlet and settling tank gas inlet by pipeline.Settling tank 2 top is provided with settling tank offgas outlet, and settling tank offgas outlet is connected by pipeline with the entrance of blower fan 3.
Blower fan 3 is exported burn pot 4 gas inlet be provided with one end of burn pot 4 and is connected by pipeline; The other end of burn pot 4 is provided with feeding port 41, for adding fuel.In the present embodiment, burn pot 4 is horizontal tank, tail gas enters from one end of burn pot 4 horizontal direction, and fuel adds, after fire fuel from the feeding port 41 of the other end of burn pot 4 horizontal direction, tail gas flows to the other end from one end of burn pot 4, catalytic combustion abundant with fuel.
Combustion furnace 5 is arranged on burn pot 4, and bottom and burn pot 4 connecting place are provided with combustion furnace entrance, are provided with stage coil pipe 51 in combustion furnace 5, and coil pipe 51 diameter is consistent, setting of spiraling.By being provided with stage coil pipe 51 in combustion furnace 5, the tail gas after burning enters in combustion furnace 5 from burn pot 4, spirals up along coil pipe, can Thorough combustion.
Fuel tank 4 top is provided with the opening be connected with combustion furnace, and described openings of sizes is identical with combustion furnace entrance.Both are identical with combustion furnace 5 inner coil pipe 51 cross section size.
Junction opening between burn pot 4 and combustion furnace 5 and coil pipe 51 cross section in the same size, relative to the area of burn pot 4, coil pipe space is very little, and spiral up, resistance is large, and therefore the tail gas rate of climb is very slow, thus can ensure fully carrying out of burning further.
Combustion furnace 5 top is provided with offgas outlet.Through Thorough combustion, after removing irritative gas and other main matter, the tail gas after process reaches discharge standard, is discharged by this offgas outlet.
Described combustion furnace 5 can be cylindrical or cuboid, preferably cylindrical in the present embodiment, more abundant to space utilization.
In a preferred embodiment, the side of described combustion furnace 5 is also provided with tail gas diffluence pass, and by pipeline, the pipeline exported between burn pot 4 gas inlet is connected described tail gas diffluence pass with blower fan 3; The pipeline of tail gas diffluence pass is also provided with valve 6.When tail gas amount is greater than setting value, open valve 6, the tail gas transported by blower fan 3 is divided into two-way, and a road directly enters in combustion furnace 5, and another road enters in burn pot 4; When tail gas amount is less than setting value, valve-off, the tail gas transported by blower fan is entered in fuel tank 4 completely.
When tail gas treatment device in the present embodiment works, first, the tail gas that fats and oils processing produces is discharged from oxidation tank 1 top, flows in settling tank 2 by pipeline; Secondly tail gas enters from the lower side of settling tank 2, after the precipitation of settling tank 2, flows out from the top of settling tank 2, by blower fan 3 along Cemented filling in one end of burn pot 4; Then by the feeding port 41 of the other end of burn pot 4, in burn pot 4, add fuel, after fire fuel, tail gas burns in burn pot 4; Then the tail gas after burning enters in the combustion furnace 5 being arranged on burn pot 4 top, and the coil pipe 51 in combustion furnace 5, after Thorough combustion, after reaching discharge standard, discharges from the opening on combustion furnace 5 top.
Especially, when tail gas amount is larger, open valve 6, the tail gas transported by blower fan 3 is divided into two-way, and a road directly enters in combustion furnace 5, and another road enters in burn pot 4, ensures the Thorough combustion of tail gas.
When tail gas amount is less than setting value, valve-off, the tail gas transported by blower fan is entered in fuel tank 4 completely.
Had no irritating odor by the tail gas after said method and device processes, harmless, reach discharge standard, can directly discharge.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification made above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a fats and oils processing exhaust gas treating method, is characterized in that, said method comprising the steps of:
Step a, the tail gas that fats and oils processing produces is discharged from oxidation tank top, flows in settling tank by pipeline;
Step b, tail gas enters from the lower side of settling tank, after the precipitation of settling tank, flows out from the top of settling tank, by blower fan along Cemented filling in one end of burn pot;
Step c, the other end of burn pot is provided with feeding port, adds fuel from feeding port in burn pot, and after fire fuel, tail gas burns in burn pot;
Steps d, the tail gas after burning enters in the combustion furnace being arranged on burn pot top, the coil pipe in combustion furnace, after Thorough combustion, after reaching discharge standard, discharges from the opening of upper furnace.
2. processing method according to claim 1, is characterized in that, containing sinapic acid in described tail gas.
3. processing method according to claim 1, is characterized in that, described burn pot is horizontal tank, and tank horizontal direction one end is provided with feeding port, and the other end is provided with inlet exhaust gas.
4. processing method according to claim 3, is characterized in that, described fuel tank top is provided with the opening be connected with combustion furnace, and described openings of sizes is identical with combustion furnace inner coil pipe cross section size.
5. processing method according to claim 1, is characterized in that, described combustion furnace is cylindrical or cuboid.
6. processing method according to claim 1, is characterized in that, combustion furnace side is also provided with a tail gas diffluence pass, and described diffluence pass place is provided with a segment pipe and is connected with the connecting pipe between blower fan and burn pot.
7. processing method according to claim 6, is characterized in that, the pipeline of combustion furnace opening part is provided with valve, when tail gas amount is greater than setting value, open valve, the tail gas transported by blower fan is divided into two-way, one tunnel directly enters in combustion furnace, and another road enters in burn pot; When tail gas amount is less than setting value, valve-off, the tail gas transported by blower fan is entered in fuel tank completely.
8. a treatment facility for fats and oils processing tail gas as claimed in claim 1, is characterized in that, described equipment comprises oxidation tank, settling tank, blower fan, burn pot and combustion furnace; Wherein oxidation tank top is provided with oxidation tank offgas outlet, and the lower side of settling tank is provided with settling tank gas inlet, is connected between oxidation tank offgas outlet and settling tank gas inlet by pipeline; Settling tank top is provided with settling tank offgas outlet, and settling tank offgas outlet is connected by pipeline with fans entrance, and the burn pot gas inlet that fan outlet and one end of burn pot are provided with is connected by pipeline; The other end of burn pot is provided with feeding port, for adding fuel; Combustion furnace is arranged on burn pot, and bottom and burn pot connecting place are provided with combustion furnace entrance, and be provided with stage coil pipe in combustion furnace, upper furnace is provided with offgas outlet.
9. treatment facility according to claim 8, is characterized in that: described burn pot is horizontal tank, and one end of burn pot horizontal direction is provided with feeding port, and the other end is provided with burn pot gas inlet.
10. treatment facility according to claim 8, is characterized in that, the side of described combustion furnace is also provided with tail gas diffluence pass, and described tail gas diffluence pass is connected with the pipeline between fan outlet and burn pot gas inlet by pipeline; The pipeline of tail gas diffluence pass is also provided with valve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049987.0A CN104548758B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method and treatment facility |
| CN201610228603.6A CN105749626B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method |
| CN201610228710.9A CN105709507B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049987.0A CN104548758B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method and treatment facility |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610228710.9A Division CN105709507B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing tail gas treatment device |
| CN201610228603.6A Division CN105749626B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method |
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| Publication Number | Publication Date |
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| CN104548758A true CN104548758A (en) | 2015-04-29 |
| CN104548758B CN104548758B (en) | 2016-06-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980042984A (en) * | 1998-05-16 | 1998-08-17 | 원백희 | Incineration and Emulsification Gas Furnace |
| CN104226098A (en) * | 2014-10-11 | 2014-12-24 | 北京嘉格伟业筑路科技有限公司 | Modified asphalt tail gas treating system and treating process thereof |
| CN204469398U (en) * | 2015-01-30 | 2015-07-15 | 杭州力特油剂有限公司 | A kind of fats and oils processing tail gas treatment device |
-
2015
- 2015-01-30 CN CN201510049987.0A patent/CN104548758B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980042984A (en) * | 1998-05-16 | 1998-08-17 | 원백희 | Incineration and Emulsification Gas Furnace |
| CN104226098A (en) * | 2014-10-11 | 2014-12-24 | 北京嘉格伟业筑路科技有限公司 | Modified asphalt tail gas treating system and treating process thereof |
| CN204469398U (en) * | 2015-01-30 | 2015-07-15 | 杭州力特油剂有限公司 | A kind of fats and oils processing tail gas treatment device |
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| CN104548758B (en) | 2016-06-01 |
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Effective date of registration: 20200731 Address after: 313300 Lingang Industrial Park, Meixi Town, Anji County, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG QIAOBANG LITE OIL Co.,Ltd. Address before: Hangzhou City, Zhejiang Province, 310030 Xihu District three Town Shuangqiao Village Patentee before: HANGZHOU LITELUBE PETROLEUM Co.,Ltd. |
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