CN220537771U - Oil-impurity separation device for preparing acidified oil of biodiesel - Google Patents
Oil-impurity separation device for preparing acidified oil of biodiesel Download PDFInfo
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- CN220537771U CN220537771U CN202321930087.3U CN202321930087U CN220537771U CN 220537771 U CN220537771 U CN 220537771U CN 202321930087 U CN202321930087 U CN 202321930087U CN 220537771 U CN220537771 U CN 220537771U
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- 239000012535 impurity Substances 0.000 title claims abstract description 40
- 239000003225 biodiesel Substances 0.000 title claims abstract description 21
- 238000000926 separation method Methods 0.000 title claims abstract description 17
- 239000002699 waste material Substances 0.000 claims abstract description 29
- 239000010802 sludge Substances 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010009 beating Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 230000020477 pH reduction Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 144
- 235000019198 oils Nutrition 0.000 description 144
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 235000019387 fatty acid methyl ester Nutrition 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an oil-impurity separation device for preparing acidified oil of biodiesel, which comprises: the inlet pipeline of the material beating pump is connected with raw oil after the material adding treatment, and the outlet pipeline is connected with the feeding valve through the pump rear valve; the sedimentation tank is a cylindrical barrel, the bottom of the sedimentation tank is a conical bottom, a plurality of oil discharge pipes with valves are uniformly arranged on the outer wall of the sedimentation tank from high to low, the outlet of each oil discharge pipe is connected with an oil purifying main pipe, the oil purifying main pipe is divided into two paths, one path of the oil purifying main pipe is connected to an oil purifying storage tank after being connected with an oil purifying main valve, and the other path of the oil purifying main pipe is connected to an oil waste tank arranged below the oil purifying main pipe after being connected with an oil purifying sampling valve; the outlet pipeline at the bottom of the settling tank is divided into two paths, one path is connected to the waste oil tank after being connected with the oil sludge sampling valve, the other path is converged with the outlet pipeline of the waste oil tank with the outlet valve of the waste oil tank after being connected with the oil sludge discharging valve of the settling tank, and the converged pipeline is connected to the oil sludge storage tank. The utility model has simple and compact structure, convenient and efficient operation and good oil and impurity separation effect after acidification of the acidified oil, and solves the problems of uncleanness in impurity removal and inconvenient operation in the prior art.
Description
Technical Field
The utility model relates to the technical field of purification treatment devices of biodiesel production raw oil, in particular to an oil impurity separation device after acidification treatment of acidified oil serving as biodiesel preparation raw material.
Background
Biodiesel is generally obtained by reacting waste animal and vegetable oil with methanol to generate fatty acid methyl ester. The acidified oil refers to oil obtained by acidizing soapstock, a byproduct produced by a grease refinery, which is essentially fatty acid, and also is a raw oil for preparing biodiesel. The completely non-acidified oil is low in purity, so that more auxiliary materials are consumed and more slag is produced when the completely non-acidified oil is directly used for producing biodiesel, the conversion rate is low, the production cost is high, and the re-acidification treatment and the oil impurity separation are needed for the acidified oil to be further purified. The existing acid oil is generally settled in a transition tank after acid is added, impurities are discharged from the bottom of the transition tank, and the oil is pumped to a clean oil storage tank after the impurities are discharged. The defects are: in actual production, impurities attached to the inner wall of the transition tank are difficult to completely drain, and partial impurities are pumped to the clean oil storage tank along with the clean oil, so that the purity of the acidified oil in the clean oil storage tank is reduced, and the high impurity content is unfavorable for biodiesel production.
Disclosure of Invention
The utility model aims to provide an oil-impurity separation device for acidified oil for preparing biodiesel, which has the advantages of simple and compact structure, convenient and efficient operation and good oil-impurity separation effect after the acidification of the acidified oil, and solves the problems of unclean impurity removal and inconvenient operation in the prior art.
In order to achieve the above object, the oil-impurity separation device for preparing acidified oil of biodiesel of the present utility model comprises a feed pump 1, a settling tank 4, a waste oil tank 5, a pipeline and a valve; the inlet pipeline of the material beating pump 1 is connected with a raw material oil pipeline after the chemical adding treatment, and the outlet pipeline is connected with a feed valve 3 arranged at the top of a settling tank 4 after passing through a post pump valve 2; the sedimentation tank 4 is a cylindrical barrel, the bottom of the sedimentation tank is a conical bottom, a plurality of oil discharging pipes with valves are uniformly arranged on the outer wall of the sedimentation tank 4 from high to low, the outlet of each oil discharging pipe is connected with an oil purifying main pipe, one oil purifying main pipe is divided into two paths, one path is connected to an oil purifying storage tank after being connected with an oil purifying main pipe 9, and the other path is connected to a waste oil tank 5 arranged below the oil purifying main pipe after being connected with an oil purifying sampling valve 8; the bottom outlet pipeline of the settling tank 4 is divided into two paths, one path is connected to the waste oil tank 5 after being connected with the oil sludge sampling valve 19, the other path is converged with the waste oil tank outlet pipeline with the waste oil tank outlet valve 7 after being connected with the settling tank oil sludge discharging valve 6, and the converged pipeline is connected to the oil sludge storage tank.
The oil drain pipes are provided with 9 oil drain pipes, namely a first oil drain pipe 10, a second oil drain pipe 11 and a ninth oil drain pipe 18, and valves correspondingly arranged on each oil drain pipe are respectively a first valve 10-1, a second valve 11-1 and a ninth valve 18-1.
The oil discharge pipe can increase or decrease the quantity and the density degree according to the actual situation of the oil impurity of the acidized oil.
During operation, the acidified oil raw oil subjected to dosing treatment is pumped to a settling tank 4 through a material pump 1 and is kept stand, the settled acidified oil is discharged from oil discharge pipes with different heights, the content of the acidified oil and the water impurities is detected, the positions with qualified water impurity content can be discharged to a clean oil storage tank from the corresponding oil discharge pipe and the oil discharge pipes above through a valve 9, and the discharged oil and oil sludge enter an oil waste tank 5 during sampling; and the oil impurities which are difficult to settle and pass through the sedimentation is discharged to an oil sludge storage tank through a valve 6.
The oil-impurity separation device for preparing the acidified oil of the biodiesel has the following technical characteristics and beneficial effects:
1. after the acidified oil which is the raw material for preparing the biodiesel is further acidified thoroughly, unsaponifiable matters in the acidified oil are effectively removed, the purity of the acidified oil can be obviously improved, the consumption of auxiliary materials in production is reduced, the generation of impurities in production is reduced, the conversion rate of the biodiesel is improved, and the production cost of the biodiesel at the bottom of the river is increased.
2. And the acidized oil after acidification is stood still, and the water impurity content of the acidized oil can be visually observed and detected from oil discharge pipes with different heights.
3. Clear clean oil settled after standing can be discharged from the oil discharge pipe to the clean oil tank, impurities difficult to separate at the bottom are discharged to the sludge tank for further treatment, and the oil and impurity separation effect is good.
4. Simple and compact structure, convenient and efficient operation.
Drawings
FIG. 1 is a schematic diagram of the structure of an oil-impurity separation device for preparing acidified oil of biodiesel.
Reference numerals: the device comprises a material pumping pump 1, a post-pump valve 2, a feeding valve 3, a settling tank 4, a waste oil tank 5, a settling tank oil sludge discharging valve 6, a waste oil tank outlet valve 7, an oil purifying sampling valve 8, an oil purifying total valve 9, a first oil discharging pipe 10, a second oil discharging pipe 11 to a ninth oil discharging pipe 18, a first valve 10-1, a second valve 11-1 to a ninth valve 18-1 and an oil sludge sampling valve 19.
Detailed Description
The oil and impurity separation device for preparing acidified oil of biodiesel according to the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1, the oil-impurity separation device for preparing acidified oil of biodiesel according to the present utility model comprises a knockout pump 1, a settling tank 4, a waste oil tank 5, a pipeline and a valve; the inlet pipeline of the material beating pump 1 is connected with a raw material oil pipeline after the chemical adding treatment, and the outlet pipeline is connected with a feed valve 3 arranged at the top of a settling tank 4 after passing through a post pump valve 2; the sedimentation tank 4 is a cylindrical barrel, the bottom of the sedimentation tank is a conical bottom, 9 oil discharge pipes with valves are uniformly arranged on the outer wall of the sedimentation tank 4 from high to low, and the oil discharge pipes are respectively: the first oil drain pipe 10, the second oil drain pipe 11 to the ninth oil drain pipe 18, and the valves correspondingly installed on each oil drain pipe are respectively: the first valve 10-1, the second valve 11-1 to the ninth valve 18-1 are used for taking sample oil with different heights, the outlet of each oil drain pipe is connected with an oil drain main pipe, the oil drain main pipe is divided into two paths, one path is connected to an oil drain storage tank after being connected with an oil drain main valve 9, the other path is connected to a waste oil tank 5 arranged below the oil drain main pipe after being connected with an oil drain sampling valve 8, the oil drain sampling valve 8 is opened during sampling, the oil drain main valve 9 is closed, the oil drain main valve 9 is opened during oil drain, and the oil drain sampling valve 8 is closed; the bottom outlet pipeline of the settling tank 4 is divided into two paths, one path is connected to the waste oil tank 5 after being connected with the sludge sampling valve 19 so as to obtain a bottommost sludge sample, the waste oil tank 5 is used for receiving the oil discharged during sampling, the other path is converged with the waste oil tank outlet pipeline with the waste oil tank outlet valve 7 after being connected with the settling tank sludge discharging valve 6, and the converged pipeline is connected to the sludge storage tank; after the absolute oil is discharged, the oil sludge of the sedimentation tank 4 is discharged to an oil sludge storage tank through a sedimentation tank oil sludge discharge valve 6; the oil in the waste oil tank 5 is discharged to the sludge storage tank through the waste oil tank outlet valve 7.
The specific operation steps of the oil-impurity separation device for preparing the acidified oil of the biodiesel are as follows:
1. and opening the back pump valve 2 and the feeding valve 3, controlling the speed of feeding the raw oil subjected to dosing treatment into the settling tank 4, pumping the acidified oil raw oil subjected to acidification treatment into the settling tank 4 through the pumping pump 1, and closing all other valves.
2. When the oil sedimentation time of the sedimentation tank 4 reaches the set time, the absolute oil sampling valve 8 is opened, then the ninth valve 18-1 is opened, the water impurity content discharged by the ninth oil discharge pipe 18 positioned at the lowest position is sampled, observed and detected, if the water impurity content is qualified, the absolute oil sampling valve 8 is closed, the absolute oil discharge total valve 9 is opened, all the first valve 10-1 to the ninth valve 18-1 are in an open state, all the upper layer oil positioned above the ninth oil discharge pipe 18 is collected from the first oil discharge pipe to the ninth oil discharge pipe, and then the absolute oil is discharged to an absolute oil storage tank through the absolute oil discharge total valve 9.
3. If the oil-water impurity content discharged from the ninth oil discharge pipe 18 positioned at the lowest position is unqualified, closing the ninth valve 18-1, then sequentially opening the valve at the upper stage in the step 2 to sample, observe and detect the water impurity content discharged from the oil discharge pipe at the upper stage, if the oil-water impurity content is unqualified, closing the valve at the stage, and operating step by step until the water impurity content is qualified, closing the valve at the point of which the water impurity content is unqualified and below, and enabling the valve at the point of which the water impurity content is qualified and above to be in an open state, and discharging purified oil from the oil discharge pipe at the point of which the water impurity content is qualified and above to a purified oil storage tank.
4. After the clean oil is discharged, the sedimentation tank oil sludge discharging valve 6 and the waste oil tank outlet valve 7 are opened, and the lower layer sludge of the sedimentation tank 4 and the waste oil of the waste oil tank 5 are discharged to a sludge storage tank for further treatment.
Claims (2)
1. An oil-impurity separation device for preparing acidified oil of biodiesel is characterized in that: the device comprises a material beating pump (1), a sedimentation tank (4), a waste oil tank (5), a pipeline and a valve; an inlet pipeline of the material beating pump (1) is connected with a raw material oil pipeline after the chemical adding treatment, and an outlet pipeline is connected with a feed valve (3) arranged at the top of the sedimentation tank (4) after passing through a pump rear valve (2); the sedimentation tank (4) is a cylindrical barrel, the bottom of the sedimentation tank is a conical bottom, a plurality of oil discharge pipes with valves are uniformly arranged on the outer wall of the sedimentation tank (4) from high to low, the outlet of each oil discharge pipe is connected with an oil purifying main pipe, the oil purifying main pipe is divided into two paths, one path of the oil purifying main pipe is connected with an oil purifying main pipe (9) and then connected with an oil purifying storage tank, and the other path of the oil purifying main pipe is connected with an oil purifying sampling valve (8) and then connected with a waste oil tank (5) arranged below the oil purifying main pipe; the bottom outlet pipeline of the settling tank (4) is divided into two paths, one path is connected to the waste oil tank (5) after being connected with the oil sludge sampling valve (19), and the other path is converged with the waste oil tank outlet pipeline with the waste oil tank outlet valve (7) after being connected with the settling tank oil sludge discharging valve (6), and the converged pipeline is connected to the oil sludge storage tank.
2. The oil-impurity separation device for preparing acidified oil of biodiesel according to claim 1, characterized in that: the oil drain pipe is provided with 9 oil drain pipes, namely a first oil drain pipe (10) and a second oil drain pipe (11) to a ninth oil drain pipe (18), and valves correspondingly arranged on each oil drain pipe are respectively a first valve (10-1) and a second valve (11-1) to a ninth valve (18-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321930087.3U CN220537771U (en) | 2023-07-21 | 2023-07-21 | Oil-impurity separation device for preparing acidified oil of biodiesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321930087.3U CN220537771U (en) | 2023-07-21 | 2023-07-21 | Oil-impurity separation device for preparing acidified oil of biodiesel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220537771U true CN220537771U (en) | 2024-02-27 |
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ID=89967062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321930087.3U Active CN220537771U (en) | 2023-07-21 | 2023-07-21 | Oil-impurity separation device for preparing acidified oil of biodiesel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220537771U (en) |
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2023
- 2023-07-21 CN CN202321930087.3U patent/CN220537771U/en active Active
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