CN209210759U - Gutter oil working process heat energy recycling device - Google Patents
Gutter oil working process heat energy recycling device Download PDFInfo
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- CN209210759U CN209210759U CN201821992255.0U CN201821992255U CN209210759U CN 209210759 U CN209210759 U CN 209210759U CN 201821992255 U CN201821992255 U CN 201821992255U CN 209210759 U CN209210759 U CN 209210759U
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Abstract
Gutter oil working process heat energy recycling device, including esterifying kettle, epoxidation tubular reactor, lightness-removing column, pipe heat exchanger, weight-removing column, preheater and combustion furnace, esterifying kettle outlet at bottom is connected by pipeline with epoxidation tubular reactor shell side import, it send to preheater tube side import the catalyst waste solution outlet on esterifying kettle top, the tower top fixed gas of lightness-removing column is entered in combustion furnace by pipeline, the tower bottom outlet of weight-removing column is connected with preheater tube side import, the outlet of preheater tube side is connected with combustion furnace import, the high-temperature gas outlet of combustion furnace is connected with the shell side import of warming up period.The utility model creatively use combustion furnace in trench oil production process waste liquid and waste gas burning handle, high-temperature combustion gas can be in advance to production waste liquid pre-heating temperature elevation, the heat energy loss for reducing combustion furnace has the advantages that design is reasonable, operates conveniently and energy conservation and environmental protection.
Description
Technical field
The utility model relates to gutter oil environmental protection treatment production technical fields, and in particular to a kind of gutter oil working process heat
It can recycling device.
Background technique
Biodiesel is refined from vegetable and animals oils, and tractor, truck, ship etc. are commonly used to.It refers to oil crops such as
The water plants such as soybean, rape, cotton, palm etc., Wild oil plant and engineering microalgae grease and animal fat, food garbage
Oil etc. can be replaced the reproducibility diesel fuel of petrifaction diesel by feedstock oil made of transesterification or thermochemical processes.Biological bavin
Oil has excellent environmental protection characteristic: it is low that biodiesel with petrifaction diesel compares sulfur content；With good security performance: biological bavin
The flash-point of oil is higher than petrifaction diesel；With excellent combustibility: the Cetane number of biodiesel is higher than diesel oil.Thus biological bavin
Oil is a kind of real green diesel.
Using oil crops preparation biodiesel country's " cannot be striven with grain ground ", " grain cannot be striven with people ", " cannot be with people
Strive oil ", under " four are not " policy of " environment cannot be polluted ", cost of material is high, therefore Preparation of biodiesel from waste oils drops
Low cost is the key that can biodiesel practical.Gutter oil and methanol are in the presence of strong solid acid catalyst in the prior art
Esterification generates crude fatty acid methyl ester and catalyst waste solution, contains C14, C16, C18, fatty acid methyl ester in crude fatty acid methyl ester product
With for example some salts of some heavy constituents, pure fatty acid methyl ester in order to obtain, using lightness-removing column and weight-removing column to croude fatty acids
Methyl esters is separated, and the distillation operation of lightness-removing column and weight-removing column needs to consume a large amount of thermal energy, the fatty acid methyl ester then obtained
Epoxidized fatty acid methyl esters is obtained with formic acid and hydrogen peroxide epoxidation reaction again, fixed gas, the weight-removing column of dehydrogenation column overhead step on ground
Heavy constituent waste liquid and catalyst waste solution inside COD be up to 400,000 mg/L, if not only equipment investment is huge by biochemical treatment
Greatly, and biochemical treatment is also extremely difficult to ideal treatment effect, how to handle exhaust gas and waste liquid in gutter oil process
Problem as gutter oil processing treatment industry.
Utility model content
The utility model provides a kind of gutter oil working process heat energy recycling device, to solve prior art presence
Gutter oil processing waste gas and liquids treatment difficulty problem.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of gutter oil working process heat energy recycling device, including it is esterifying kettle, epoxidation tubular reactor, de- light
Tower, pipe heat exchanger, weight-removing column, preheater and combustion furnace, esterifying kettle outlet at bottom pass through pipeline and epoxidation tubular reactor
Shell side import is connected, and the catalyst waste solution outlet on esterifying kettle top is sent to preheater tube side import, epoxidation tubular reactor shell
Journey outlet is connected with the tower reactor import of lightness-removing column, and the tower top fixed gas of lightness-removing column is entered in combustion furnace by pipeline, epoxidation pipe
The tube side outlet of formula reactor is connected with the shell side import of pipe heat exchanger, the shell of the tower reactor outlet and pipe heat exchanger of lightness-removing column
Journey import is connected, and the shell-side outlet of pipe heat exchanger is connected with the tower reactor import of weight-removing column, the tower bottom outlet and preheating of weight-removing column
Device tube side import is connected, and the outlet of preheater tube side is connected with combustion furnace import, high-temperature gas outlet and the warming up period of combustion furnace
Shell side import is connected, and the tower top outlet of weight-removing column is connected by pipeline with epoxidation tubular reactor tube side import.
The working principle of utility model device is: gutter oil, methanol and strong solid acid catalyst are esterified in esterifying kettle
Crude fatty acid methyl ester and catalyst waste solution are generated, crude fatty acid methyl ester, which enters in epoxidation tubular reactor shell side, absorbs epoxidation
Enter rectifying in the tower reactor of lightness-removing column after reaction heat to separate, light component is separated by lightness-removing column tower top, and lightness-removing column tower top is not
Solidifying pneumatic transmission burns into combustion furnace, and the high-temperature gas that combustion furnace generates is sent into preheater shell side, lightness-removing column kettle material again into
After entering the epoxidation high-temperature product heat exchange in pipe heat exchanger shell side and pipe heat exchanger tube side, into weight-removing column tower reactor rectifying point
After being separated from, fatty acid methyl ester with heavy constituent by enter after weight-removing column overhead condensation in epoxidation tubular reactor tube side with formic acid
It is reacted with hydrogen peroxide, reactant is exported by tube side continues heat exchange cooling in the tube side for entering pipe heat exchanger, to obtain epoxy
Change fatty acid methyl ester, the heavy constituent waste liquid of weight-removing column tower bottom is sent jointly together with the catalyst waste solution of esterifying kettle to the tube side of preheater
In with send and burn into combustion furnace after the high-temperature gas heat exchange in warming up period shell side, the waste liquid in such trench oil production process and
Chemical component in exhaust gas is carbonized at high temperature resolves into the carbon dioxide gas of environmental sound.
The utility model creatively use combustion furnace in trench oil production process waste liquid and waste gas burning handle, it is high
Warm burning gases can reduce the heat energy loss of combustion furnace in advance to production waste liquid pre-heating temperature elevation, while by crude fatty acid methyl ester ring
Heat source of the oxidation reaction heat as crude fatty acid methyl ester rectifying, saves the energy consumption of original production device, reasonable with design,
It operates conveniently and the advantages of energy conservation and environmental protection.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the connection schematic diagram of utility model device.
1 esterifying kettle, 2 epoxidation tubular reactors, 3 lightness-removing columns, 4 pipe heat exchangers, 5 weight-removing columns, 6 preheaters, 7 combustions in figure
Burn furnace.
Specific embodiment
As shown, a kind of gutter oil working process heat energy recycling device, including esterifying kettle 1, epoxidation tubular type are anti-
Device 2, lightness-removing column 3, pipe heat exchanger 4, weight-removing column 5, preheater 6 and combustion furnace 7 are answered, esterifying kettle outlet at bottom passes through pipeline and ring
It aoxidizes the import of tubular reactor shell journey to be connected, the catalyst waste solution outlet on esterifying kettle top is sent to preheater tube side import, epoxy
Change the outlet of tubular reactor shell side to be connected with the tower reactor import of lightness-removing column, the tower top fixed gas of lightness-removing column enters burning by pipeline
In furnace, the outlet of the tube side of epoxidation tubular reactor is connected with the shell side import of pipe heat exchanger, the tower reactor of lightness-removing column export and
The shell side import of pipe heat exchanger is connected, and the shell-side outlet of pipe heat exchanger is connected with the tower reactor import of weight-removing column, weight-removing column
Tower bottom outlet is connected with preheater tube side import, and the outlet of preheater tube side is connected with combustion furnace import, the high-temperature gas of combustion furnace
Outlet is connected with the shell side import of warming up period, and the tower top outlet of weight-removing column passes through pipeline and the tube side import of epoxidation tubular reactor
It is connected.
The working principle of utility model device is: gutter oil, methanol and strong solid acid catalyst are esterified in esterifying kettle
Crude fatty acid methyl ester and catalyst waste solution are generated, crude fatty acid methyl ester, which enters in epoxidation tubular reactor shell side, absorbs epoxidation
Enter rectifying in the tower reactor of lightness-removing column after reaction heat to separate, light component is separated by lightness-removing column tower top, and lightness-removing column tower top is not
Solidifying pneumatic transmission burns into combustion furnace, and the high-temperature gas that combustion furnace generates is sent into preheater shell side, lightness-removing column kettle material again into
After entering the epoxidation high-temperature product heat exchange in pipe heat exchanger shell side and pipe heat exchanger tube side, into weight-removing column tower reactor rectifying point
After being separated from, fatty acid methyl ester with heavy constituent by enter after weight-removing column overhead condensation in epoxidation tubular reactor tube side with formic acid
It is reacted with hydrogen peroxide, reactant is exported by tube side continues heat exchange cooling in the tube side for entering pipe heat exchanger, to obtain epoxy
Change fatty acid methyl ester, the heavy constituent waste liquid of weight-removing column tower bottom is sent jointly together with the catalyst waste solution of esterifying kettle to the tube side of preheater
In with send and burn into combustion furnace after the high-temperature gas heat exchange in warming up period shell side, the waste liquid in such trench oil production process and
Chemical component in exhaust gas is carbonized at high temperature resolves into the carbon dioxide gas of environmental sound.
Claims (1)
1. a kind of gutter oil working process heat energy recycling device, it is characterized in that include esterifying kettle, epoxidation tubular reactor,
Lightness-removing column, pipe heat exchanger, weight-removing column, preheater and combustion furnace, esterifying kettle outlet at bottom are anti-by pipeline and epoxidation tubular type
Device shell side import is answered to be connected, the catalyst waste solution outlet on esterifying kettle top is sent to preheater tube side import, epoxidation pipe reaction
Device shell-side outlet is connected with the tower reactor import of lightness-removing column, and the tower top fixed gas of lightness-removing column is entered in combustion furnace by pipeline, epoxy
The tube side outlet for changing tubular reactor is connected with the shell side import of pipe heat exchanger, the tower reactor outlet of lightness-removing column and pipe heat exchanger
Shell side import be connected, the shell-side outlet of pipe heat exchanger is connected with the tower reactor import of weight-removing column, the outlet of the tower bottom of weight-removing column and
Preheater tube side import is connected, and the outlet of preheater tube side is connected with combustion furnace import, the high-temperature gas outlet and preheating of combustion furnace
The shell side import of phase is connected, and the tower top outlet of weight-removing column is connected by pipeline with epoxidation tubular reactor tube side import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992255.0U CN209210759U (en) | 2018-11-30 | 2018-11-30 | Gutter oil working process heat energy recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992255.0U CN209210759U (en) | 2018-11-30 | 2018-11-30 | Gutter oil working process heat energy recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209210759U true CN209210759U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821992255.0U Active CN209210759U (en) | 2018-11-30 | 2018-11-30 | Gutter oil working process heat energy recycling device |
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| CN (1) | CN209210759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370782A (en) * | 2018-11-30 | 2019-02-22 | 德州市荣光生物科技有限公司 | Gutter oil working process heat energy recycling device |
-
2018
- 2018-11-30 CN CN201821992255.0U patent/CN209210759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370782A (en) * | 2018-11-30 | 2019-02-22 | 德州市荣光生物科技有限公司 | Gutter oil working process heat energy recycling device |
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