CN105749626A - Oil processing tail gas treatment method - Google Patents
Oil processing tail gas treatment method Download PDFInfo
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- CN105749626A CN105749626A CN201610228603.6A CN201610228603A CN105749626A CN 105749626 A CN105749626 A CN 105749626A CN 201610228603 A CN201610228603 A CN 201610228603A CN 105749626 A CN105749626 A CN 105749626A
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- tail gas
- tank
- combustion furnace
- burn pot
- burning
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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
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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 invention provides an oil processing tail gas treatment method.The method includes that tail gas generated during oil processing is discharged from the upper portion of an oxidation tank and flows into a precipitation tank through a pipeline; the tail gas enters from the side face of the lower portion of the precipitation tank, flows out from the upper portion of the precipitation tank after being precipitated by the precipitation tank and is delivered into one end of a burning tank along the pipeline through a fan; a filling port is arranged at the other end of the burning tank, fuel is added into the burning tank from the filling port, and the tail gas is burnt in the burning tank after the fuel is ignited; the tail gas after being burnt enters a burning furnace arranged on the upper portion of the burning tank, and is discharged from an opening on the upper portion of the burning furnace after passing a coil in the burning furnace, being burnt fully and reaching discharging standards.The treatment method is simple in equipment, convenient to operate, safe, reliable and capable of saving energy resources, reducing environment pollution and maintaining physical health of oil processing workers.
Description
Present patent application is the applying date, and to be on January 30th, 2015, application number be 201510049987.0, name is called the divisional application of Chinese patent application of a kind of fats and oils processing exhaust gas treating method and the equipment of process.
Technical field
The invention belongs to tail gas disposal technique field, particularly to a kind of fats and oils processing exhaust gas treating method.
Background technology
Fats and oils processing, particularly in fundamentals process, the tail gas of its generation includes air, steam, solvent gas etc., the irritative gas sinapic acid etc. produced when also comprising high-temperature oxydation, eyes and the skin of human body are had strong impulse by such irritative gas sinapic acid, and harm fats and oils processing workman's is healthy.Although having the method and apparatus reclaiming sinapic acid of complexity in prior art, but for the fats and oils processing enterprise of general scale, sinapic acid content being little, cost recovery is high and income is few, is therefore not particularly suited for reclaiming.
Summary of the invention
The present invention is directed to disadvantage mentioned above, it is provided that a kind of equipment is simple, and easy to operate fats and oils processing exhaust gas treating method, to reach the purpose 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, is flowed 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, is delivered in one end of burn pot along pipeline by blower fan；
Step c, the other end of burn pot is provided with feeding port, adds fuel from feeding port to burn pot, and after lighting fuel, tail gas burns in burn pot；
Step d, the tail gas after burning enters in the combustion furnace being arranged on burn pot top, the coil pipe in combustion furnace, fully after burning, after reaching discharge standard, discharges from the opening of upper furnace；
Wherein said 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；
Side, combustion furnace is additionally provided with a tail gas diffluence pass, and described diffluence pass place is provided with a segment pipe, is connected with the connection pipeline between blower fan and burn pot.
Further, in described tail gas, conjunction has sinapic acid.Sinapic acid occur in fats and oils processing, particularly fundamentals to human body material excitatory, be detrimental to health and environment.
Preferably, described fuel tank top is provided with the opening being 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, the pipeline of combustion furnace opening part is provided with valve, when tail gas amount is more than setting value, opens valve, and the tail gas carried by blower fan is divided into two-way, and a road is directly entered in combustion furnace, and another road enters in burn pot；When tail gas amount is less than setting value, closing valve, the tail gas carried by blower fan is completely in fuel tank.
The present invention also provides for the process equipment of a kind of fats and oils processing tail gas, including 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 by pipeline between oxidation tank offgas outlet and settling tank gas inlet；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 is provided with one end of burn pot is connected by pipeline；The other end of burn pot is provided with feeding port, is used for adding fuel；Combustion furnace is arranged on burn pot, and bottom and burn pot connecting place are provided with combustion furnace entrance, are provided with stage coil pipe in combustion furnace, and upper furnace is provided with offgas outlet.
Preferably, described fuel tank top is provided with the opening being 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 additionally provided with tail gas diffluence pass, and described tail gas diffluence pass is connected by the pipeline between pipeline with fan outlet and burn pot gas inlet；The pipeline of tail gas diffluence pass is additionally provided with valve.
In a word, the invention have the benefit that the fats and oils processing processing method of the present invention is first by the amount of grease taken out of in high-temperature oxydation tank tail gas out, solvent liquid, steam, by the precipitation of settling tank, remove major part oils and fats, solvent liquid etc. in tail gas；Then passing through blower fan and tail gas is delivered to burn pot, add fuel in one end of burn pot and burn, the afterproduct that fully burns due to sinapic acid 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 from the feeding port of the other end of burn pot, after lighting fuel, tail gas flows to the other end from one end of burn pot, is fully contacted burning with fuel；Secondly being provided with combustion furnace on burn pot, 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, fully burns；In addition the junction opening between burn pot and combustion furnace is in the same size with coil pipe cross section, and relative to the area of burn pot, coil pipe space is only small, and spiral up, resistance is big, and therefore the tail gas rate of climb is very slow, such that it is able to ensure the sufficiently conducted of burning further.By above-mentioned design, the sinapic acid in the tail gas in the present invention, particularly tail gas can fully burn, it is ensured that the gas environmentally safe of production, and human body is non-stimulated.
In sum, the 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 process equipment 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 process equipment schematic diagram of fats and oils processing tail gas in one embodiment of the invention.As it is shown in figure 1, the process equipment of the fats and oils processing tail gas in the present embodiment, including 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 step can produce a large amount of tail gas, including air, steam, solvent gas etc., the irritative gas sinapic acid etc. produced when also comprising high-temperature oxydation, the irritative gas therein health to fats and oils processing workman, especially eye injury and big, environmental effect 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 settling tank 2 is provided with settling tank gas inlet, is connected by pipeline between oxidation tank offgas outlet and settling tank gas inlet.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 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, is used 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 lighting fuel, tail gas flows to the other end from one end of burn pot 4, is fully contacted burning 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, it is possible to fully burn.
Fuel tank 4 top is provided with the opening being 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 is in the same size with coil pipe 51 cross section, and relative to the area of burn pot 4, coil pipe space is only small, and spiral up, resistance is big, and therefore the tail gas rate of climb is very slow, such that it is able to ensure the sufficiently conducted of burning further.
Top, combustion furnace 5 is provided with offgas outlet.Through fully burning, 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, and space utilization is more abundant.
In a preferred embodiment, the side of described combustion furnace 5 is additionally provided with tail gas diffluence pass, and the pipeline that described tail gas diffluence pass is exported between burn pot 4 gas inlet with blower fan 3 by pipeline is connected；The pipeline of tail gas diffluence pass is additionally provided with valve 6.When tail gas amount is more than setting value, opening valve 6, the tail gas come by blower fan 3 conveying is divided into two-way, and a road is directly entered in combustion furnace 5, and another road enters in burn pot 4；When tail gas amount is less than setting value, closing valve, the tail gas carried by blower fan is completely in fuel tank 4.
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, is flowed 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, is delivered in one end of burn pot 4 along pipeline by blower fan 3；Then passing through the feeding port 41 of the other end of burn pot 4, add fuel in burn pot 4, after lighting 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, the coil pipe 51 in combustion furnace 5, fully after burning, after reaching discharge standard, discharges from the opening on top, combustion furnace 5.
Especially, when tail gas amount is bigger, opening valve 6, the tail gas come by blower fan 3 conveying is divided into two-way, and a road is directly entered in combustion furnace 5, and another road enters in burn pot 4, it is ensured that the abundant burning of tail gas.
When tail gas amount is less than setting value, closing valve, the tail gas carried by blower fan is completely in fuel tank 4.
Tail gas after being processed by said method and equipment is had no irritating odor, harmless, reaches discharge standard, can directly discharge.
Although the present invention is with preferred 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; may be by the method for the disclosure above and technology contents and technical solution of the present invention is made possible variation and amendment; therefore; every content without departing from technical solution of the present invention; according to the technical spirit of the present invention to the made any simple modification of above example, equivalent variations and modification, belong to the protection domain of technical solution of the present invention.
Claims (5)
1. a fats and oils processing exhaust gas treating method, it is characterised 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, is flowed 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, is delivered in one end of burn pot along pipeline by blower fan；
Step c, the other end of burn pot is provided with feeding port, adds fuel from feeding port to burn pot, and after lighting fuel, tail gas burns in burn pot；
Step d, the tail gas after burning enters in the combustion furnace being arranged on burn pot top, the coil pipe in combustion furnace, fully after burning, after reaching discharge standard, discharges from the offgas outlet of upper furnace；
Wherein said 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；
Side, combustion furnace is additionally provided with a tail gas diffluence pass, and described diffluence pass place is provided with a segment pipe, is connected with the connection pipeline between blower fan and burn pot.
2. processing method according to claim 1, it is characterised in that containing sinapic acid in described tail gas.
3. processing method according to claim 1, it is characterised in that described fuel tank top is provided with the opening being connected with combustion furnace, and described openings of sizes is identical with combustion furnace inner coil pipe cross section size.
4. processing method according to claim 1, it is characterised in that described combustion furnace is cylindrical or cuboid.
5. processing method according to claim 1, it is characterised in that the pipeline at tail gas diffluence pass place, combustion furnace is provided with valve, when tail gas amount is more than setting value, opening valve, the tail gas carried by blower fan is divided into two-way, one tunnel is directly entered in combustion furnace, and another road enters in burn pot；When tail gas amount is less than setting value, closing valve, the tail gas carried by blower fan is completely in fuel tank.
Priority Applications (1)
| 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 |
Applications Claiming Priority (2)
| 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 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510049987.0A Division 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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| Publication Number | Publication Date |
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| CN105749626A true CN105749626A (en) | 2016-07-13 |
| CN105749626B CN105749626B (en) | 2018-04-03 |
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| CN201610228603.6A Active CN105749626B (en) | 2015-01-30 | 2015-01-30 | A kind of fats and oils processing exhaust gas treating method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100294422B1 (en) * | 1998-05-16 | 2001-07-12 | 백 희 원 | Gas furnace for incinerating |
| CN102949920A (en) * | 2012-10-30 | 2013-03-06 | 湘潭闯创环保科技有限公司 | Waste incineration tail gas emission purification treatment process and special apparatus thereof |
| CN103130491A (en) * | 2013-02-21 | 2013-06-05 | 陈丰 | Method for preparing environment-friendly bricks by using mixture of biochemical sludge and red clay and by using waste oil as fuel |
| 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 |
-
2015
- 2015-01-30 CN CN201610228603.6A patent/CN105749626B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100294422B1 (en) * | 1998-05-16 | 2001-07-12 | 백 희 원 | Gas furnace for incinerating |
| CN102949920A (en) * | 2012-10-30 | 2013-03-06 | 湘潭闯创环保科技有限公司 | Waste incineration tail gas emission purification treatment process and special apparatus thereof |
| CN103130491A (en) * | 2013-02-21 | 2013-06-05 | 陈丰 | Method for preparing environment-friendly bricks by using mixture of biochemical sludge and red clay and by using waste oil as fuel |
| 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 |
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| CN105749626B (en) | 2018-04-03 |
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Effective date of registration: 20200728 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, 310000 Xihu District three Town Shuangqiao Village Patentee before: HANGZHOU LITELUBE PETROLEUM Co.,Ltd. |