CN104548758B - A kind of fats and oils processing exhaust gas treating method and treatment facility - Google Patents
A kind of fats and oils processing exhaust gas treating method and treatment facility Download PDFInfo
- Publication number
- CN104548758B CN104548758B CN201510049987.0A CN201510049987A CN104548758B CN 104548758 B CN104548758 B CN 104548758B CN 201510049987 A CN201510049987 A CN 201510049987A CN 104548758 B CN104548758 B CN 104548758B
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- burn pot
- tail gas
- roasting kiln
- tank
- setting tank
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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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention provides a kind of fats and oils processing exhaust gas treating method and treatment facility, and the tail gas that fats and oils processing produces is discharged from oxidation tank top, flows in setting tank by pipeline; Tail gas enters from the lower side of setting tank, after the precipitation of setting tank, flows out from the top of setting tank, by blower fan along Cemented filling in one end of burn pot; 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; Tail gas after burning enters in the roasting kiln being arranged on burn pot top, the coil pipe in roasting kiln, after Thorough combustion, after reaching emission standard, discharges from the opening of upper furnace. The treatment process equipment of the present invention is simple, easy to operate, safe and reliable, saves the energy, reduces environmental pollution, and maintaining grease processing workman's is healthy.
Description
Technical field
The invention belongs to tail gas disposal technique field, in particular to 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, water vapour, solvent gas etc., the irritant gas sinapinic acid etc. produced when also comprising high temperature oxidation, the eyes of human body and skin are had strong stimulation by these irritant gas sinapinic acids, and harm fats and oils processing workman's is healthy. Although the method and the equipment that have complicated recovery sinapinic acid in prior art, but the fats and oils processing enterprise for general scale, sinapinic acid content is little, and cost recovery height and income are few, therefore and be not suitable for recovery.
Summary of the invention
The present invention is directed to above shortcoming, it provides a kind of equipment is simple, and 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 setting tank by pipeline;
Step b, tail gas enters from the lower side of setting tank, after the precipitation of setting tank, flows out from the top of setting 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 roasting kiln being arranged on burn pot top, the coil pipe in roasting kiln, after Thorough combustion, after reaching emission standard, discharges from the opening of upper furnace.
Further, containing sinapinic acid in described tail gas. Sinapinic acid is at fats and oils processing, and the material that human body is irritant particularly occurred in fundamentals, is 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 tanks top is provided with the opening being connected with roasting kiln, and described openings of sizes is identical with roasting kiln inner coil pipe cross section size.
Optionally, described roasting kiln is cylindrical or cuboid.
Further, roasting kiln side is also provided with a tail gas shunting mouth, and described shunting mouth place is provided with a segment pipe and is connected with the connecting tube between blower fan and burn pot.
Further, the pipeline at roasting kiln opening place is provided with valve, when tail gas amount is greater than set(ting)value, opens valve, and the tail gas transported by blower fan is divided into two-way, and a road directly enters in roasting kiln, and another road enters in burn pot; When tail gas amount is less than set(ting)value, valve-off, the tail gas transported by blower fan is entered in tanks completely.
The present invention also provides the treatment facility of a kind of fats and oils processing tail gas, comprises oxidation tank, setting tank, blower fan, burn pot and roasting kiln; Wherein oxidation tank top is provided with oxidation tank offgas outlet, and the lower side of setting tank is provided with setting tank gas inlet, is connected by pipeline between oxidation tank offgas outlet and setting tank gas inlet; Setting tank top is provided with setting tank offgas outlet, and setting tank offgas outlet is connected by pipeline with fans entrance, and the burn pot gas inlet that blower fan outlet is provided with one end of burn pot is connected by pipeline; The other end of burn pot is provided with feeding port, for adding fuel; Roasting kiln is arranged on burn pot, and bottom and burn pot connecting place are provided with roasting kiln entrance, are provided with stage coil pipe in roasting kiln, and upper furnace is provided with offgas outlet.
Preferably, described tanks top is provided with the opening being connected with roasting kiln, and described openings of sizes is identical with roasting kiln 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 roasting kiln is cylindrical or cuboid.
As optionally implementing mode, the side of described roasting kiln is also provided with tail gas shunting mouth, and the pipeline that described tail gas shunting mouth is exported between burn pot gas inlet by pipeline and blower fan is connected; The pipeline of tail gas shunting mouth is also provided with valve.
In a word, the useful effect of the present invention is: the fats and oils processing treatment process of the present invention first by high temperature oxidation tank tail gas out is taken out of part grease, solvent liquid, water vapour, by the precipitation of setting tank, remove major part 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, owing to sinapinic acid Thorough combustion after product is water and carbonic acid gas, 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 from the feeding port of the other end of burn pot, after fire fuel, tail gas flows to the other end from one end of burn pot, catalytic combustion abundant with fuel; Secondly being provided with roasting kiln on burn pot, be provided with stage coil pipe in roasting kiln, the tail gas after burning enters in roasting kiln from burn pot, along coil pipe spiral and on, Thorough combustion; In addition junction opening between burn pot and roasting kiln and coil pipe cross section are in the same size, and relative to the area of burn pot, coil pipe space is very little, and spiral and on, resistance is big, and therefore tail gas lift velocity is very slow, such that it is able to ensure fully carrying out of burning further. By above-mentioned design, the sinapinic acid in the tail gas in the present invention, particularly tail gas can Thorough combustion, ensure produce gas environmentally safe, human body is non-stimulated.
In sum, the treatment process equipment of the present invention is simple, easy to operate, safe and reliable, saves the energy, reduces environmental pollution, and maintaining grease processing workman's is 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.
Embodiment
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, setting tank 2, blower fan 3, burn pot 4 and roasting kiln 5.
Oxidation tank 1 is the important equipment of fats and oils processing, generally at high temperature runs, and temperature is 200-270 degrees centigrade. This process and before step can produce a large amount of tail gas, comprising air, water vapour, solvent gas etc., the irritant gas sinapinic acid etc. produced when also comprising high temperature oxidation, irritant gas wherein is to the health of fats and oils processing workman, especially eye injury and big, environmental influence is also bigger. 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 setting tank 2 is provided with setting tank gas inlet, is connected by pipeline between oxidation tank offgas outlet and setting tank gas inlet. Setting tank 2 top is provided with setting tank offgas outlet, and setting tank offgas outlet is connected by pipeline with the entrance of blower fan 3.
Blower fan 3 is exported burn pot 4 gas inlet that the one end with burn pot 4 is provided with 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 from the feeding port 41 of the other end of burn pot 4 horizontal direction, after fire fuel, tail gas flows to the other end from one end of burn pot 4, catalytic combustion abundant with fuel.
Roasting kiln 5 is arranged on burn pot 4, and bottom and burn pot 4 connecting place are provided with roasting kiln entrance, are provided with stage coil pipe 51 in roasting kiln 5, and coil pipe 51 diameter is consistent, setting of spiraling. By being provided with stage coil pipe 51 in roasting kiln 5, the tail gas after burning enters in roasting kiln 5 from burn pot 4, along coil pipe spiral and on, it is possible to Thorough combustion.
Tanks 4 top is provided with the opening being connected with roasting kiln, and described openings of sizes is identical with roasting kiln entrance. Both are identical with roasting kiln 5 inner coil pipe 51 cross section size.
Junction opening and coil pipe 51 cross section between burn pot 4 and roasting kiln 5 are in the same size, and relative to the area of burn pot 4, coil pipe space is very little, and spiral and on, resistance is big, and therefore tail gas lift velocity is very slow, such that it is able to ensure fully carrying out of burning further.
Roasting kiln 5 top is provided with offgas outlet. Through Thorough combustion, after removing irritant gas and other essential substance, the tail gas after process reaches emission standard, is discharged by this offgas outlet.
Described roasting kiln 5 can be cylindrical or cuboid, preferably cylindrical in the present embodiment, utilizes more abundant to space.
In a preferred embodiment, the side of described roasting kiln 5 is also provided with tail gas shunting mouth, and the pipeline that described tail gas shunting mouth is exported between burn pot 4 gas inlet with blower fan 3 by pipeline is connected; The pipeline of tail gas shunting mouth is also provided with valve 6. When tail gas amount is greater than set(ting)value, opening valve 6, the tail gas transported by blower fan 3 is divided into two-way, and a road directly enters in roasting kiln 5, and another road enters in burn pot 4; When tail gas amount is less than set(ting)value, valve-off, the tail gas transported by blower fan is entered in tanks 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 setting tank 2 by pipeline; Secondly tail gas enters from the lower side of setting tank 2, after the precipitation of setting tank 2, flows out from the top of setting 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, adding fuel in burn pot 4, after fire fuel, tail gas burns in burn pot 4; Then the tail gas after burning enters in the roasting kiln 5 being arranged on burn pot 4 top, and the coil pipe 51 in roasting kiln 5, after Thorough combustion, after reaching emission standard, discharges from the opening on roasting kiln 5 top.
Especially, when tail gas amount is bigger, opening valve 6, the tail gas transported by blower fan 3 is divided into two-way, and a road directly enters in roasting kiln 5, and another road enters in burn pot 4, ensures the Thorough combustion of tail gas.
When tail gas amount is less than set(ting)value, valve-off, the tail gas transported by blower fan is entered in tanks 4 completely.
Had no irritating odor by the tail gas after aforesaid method and device processes, harmless, reach emission standard, can directly discharge.
Although the present invention is with better embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art are without departing from the spirit and scope of the present invention; can utilize the Method and Technology content of above-mentioned announcement that technical solution of the present invention is made possible variation and amendment; therefore; every content not departing from technical solution of the present invention; any simple modification, equivalent variations and the modification above embodiment made according to the technical spirit of the present invention, all belongs to the protection domain of technical solution of the present invention.
Claims (8)
1.A kind of fats and oils processing exhaust gas treating method, it is characterised in that, described method comprises the following steps:
Step a, the tail gas that fats and oils processing produces is discharged from oxidation tank top, flows in setting tank by pipeline;
Step b, tail gas enters from the lower side of setting tank, after the precipitation of setting tank, flows out from the top of setting 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 roasting kiln being arranged on burn pot top, the coil pipe in roasting kiln, after Thorough combustion, after reaching emission standard, discharges from the offgas outlet of upper furnace.
2.Treatment process according to claim 1, it is characterised in that, containing sinapinic acid in described tail gas.
3.Treatment process according to claim 1, it is characterised 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.Treatment process according to claim 3, it is characterised in that, described tanks top is provided with the opening being connected with roasting kiln, and described openings of sizes is identical with roasting kiln inner coil pipe cross section size.
5.Treatment process according to claim 1, it is characterised in that, described roasting kiln is cylindrical or cuboid.
6.Treatment process according to claim 1, it is characterised in that, roasting kiln side is also provided with a tail gas shunting mouth, and described shunting mouth place is provided with a segment pipe, is connected with the connecting tube between blower fan and burn pot.
7.Treatment process according to claim 6, it is characterised in that, the pipeline at roasting kiln tail gas shunting mouth place is provided with valve, when tail gas amount is greater than set(ting)value, opening valve, the tail gas transported by blower fan is divided into two-way, one tunnel directly enters in roasting kiln, and another road enters in burn pot; When tail gas amount is less than set(ting)value, valve-off, the tail gas transported by blower fan is entered in tanks completely.
8.A kind for the treatment of facility for fats and oils processing exhaust gas treating method as claimed in claim 1, it is characterised in that, described equipment comprises oxidation tank, setting tank, blower fan, burn pot and roasting kiln; Wherein oxidation tank top is provided with oxidation tank offgas outlet, and the lower side of setting tank is provided with setting tank gas inlet, is connected by pipeline between oxidation tank offgas outlet and setting tank gas inlet; Setting tank top is provided with setting tank offgas outlet, and setting tank offgas outlet is connected by pipeline with fans entrance, and the burn pot gas inlet that blower fan outlet is provided with one end of burn pot is connected by pipeline; The other end of burn pot is provided with feeding port, for adding fuel; Roasting kiln is arranged on burn pot, and bottom and burn pot connecting place are provided with roasting kiln entrance, are provided with stage coil pipe in roasting kiln, and upper furnace is provided with offgas outlet; 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; The side of described roasting kiln is also provided with tail gas shunting mouth, and the pipeline that described tail gas shunting mouth is exported between burn pot gas inlet by pipeline and blower fan is connected; The pipeline of tail gas shunting mouth is also provided with valve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228603.6A CN105749626B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method |
| CN201510049987.0A CN104548758B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method and treatment facility |
| 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 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610228603.6A Division CN105749626B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method |
| CN201610228710.9A Division CN105709507B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing tail gas treatment device |
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| CN104548758A CN104548758A (en) | 2015-04-29 |
| CN104548758B true CN104548758B (en) | 2016-06-01 |
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| CN108434969A (en) * | 2018-05-25 | 2018-08-24 | 郑州天点科技有限公司 | The thin-film solar cells exhaust treatment system of computer control |
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| KR100294422B1 (en) * | 1998-05-16 | 2001-07-12 | 백 희 원 | Gas furnace for incinerating |
| CN104226098B (en) * | 2014-10-11 | 2016-03-30 | 北京嘉格伟业筑路科技有限公司 | A kind of modified pitch exhaust treatment system and treatment 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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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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