CN219744827U - Pretreatment device for waste oil with high iodine value from water-based alkyd resin production raw materials - Google Patents
Pretreatment device for waste oil with high iodine value from water-based alkyd resin production raw materials Download PDFInfo
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- CN219744827U CN219744827U CN202321382626.4U CN202321382626U CN219744827U CN 219744827 U CN219744827 U CN 219744827U CN 202321382626 U CN202321382626 U CN 202321382626U CN 219744827 U CN219744827 U CN 219744827U
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- tank
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- grease
- pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 229910052740 iodine Inorganic materials 0.000 title claims abstract description 19
- 239000011630 iodine Substances 0.000 title claims abstract description 19
- 229920000180 alkyd Polymers 0.000 title claims abstract description 17
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002994 raw material Substances 0.000 title claims abstract description 11
- 239000004519 grease Substances 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 238000001556 precipitation Methods 0.000 claims abstract description 20
- 238000004321 preservation Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 238000000746 purification Methods 0.000 claims abstract description 13
- 239000010802 sludge Substances 0.000 claims abstract description 10
- 239000002893 slag Substances 0.000 claims abstract description 9
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model discloses a pretreatment device for waste oil with high iodine value from a water-based alkyd resin production raw material, which comprises: the top of the preheating tank is provided with a periodate waste grease feed pipe and a water vapor discharge pipe which are connected to the grease storage tank; one side of the upper part is provided with a waste oil circulating pipe connected to a left outlet of the four-way valve, and a right outlet is connected with an oil residue mixture feeding pipe at the top of the heat preservation sedimentation tank; an upper layer grease discharging pipe at one side of the lower part of the preheating tank is converged with an oil residue mixture discharging pipe at the bottom of the preheating tank, and is connected with a four-way lower outlet through a No. 1 pump rear pipeline; the upper outlet of the four-way is connected with a primary grease separating feeding pipe at the top of the reaction kettle; the preheating tank and the reaction kettle are respectively provided with a heat conduction oil coil, and form a heat conduction oil closed cycle together with a No. 3 pump and a cooler; the secondary purification upper grease discharging pipe of the heat preservation precipitation tank and the tank bottom oil sludge discharging pipe are converged and then are connected with a tee joint after passing through a No. 2 pump, one path of the secondary purification upper grease discharging pipe is connected with a secondary purification grease feeding pipe at the top of the reaction kettle, and the other path of the secondary purification upper grease discharging pipe is connected with a slag tank. The utility model solves the problems of long pretreatment time, high cost and poor separation effect of the waste oil with high iodine value.
Description
Technical Field
The utility model relates to the technical field of production devices of water-based alkyd resins of organic chemical products, in particular to a pretreatment device of waste oil with high iodine value, which is a production raw material of the water-based alkyd resins.
Background
The water-based alkyd resin is an environment-friendly product which takes biodiesel, waste oil with high iodine value and bio-based glycerol as production raw materials for further processing, and is a main film-forming base material of water paint. With the improvement of the living standard of people and the development of catering industry, a large amount of waste grease is generated. In the prior art, the water-based alkyd resin with the middle-grade application uses the waste oil with high iodine value as main raw oil, but the waste oil with high iodine value has the problems of poor quality, more water, more impurities and the like, and influences the quality and the performance of the water-based alkyd resin product. Therefore, the waste oil with high iodine value is required to be pretreated, the common practice in the prior art is to discharge the waste oil raw oil with high iodine value to a storage tank, then to heat the storage tank to 70-80 ℃ by introducing steam, and then to heat and layer the storage tank by heat preservation, so as to remove impurities such as oil sludge, water and the like in the raw oil. The method has the defects of long treatment time, high cost and unsatisfactory separation effect, and directly influences the production efficiency and the product performance of the resin.
Disclosure of Invention
The utility model aims to provide a pretreatment device for waste oil with high iodine value, which has the advantages of simple and compact structure, quick and efficient pretreatment of raw oil, and reliable quality of produced products, and solves the problems of long treatment time, high cost and unsatisfactory separation effect in the prior art.
In order to achieve the purpose, the pretreatment device of the high iodine value waste oil of the water-based alkyd resin production raw material comprises a preheating tank 5, a heat preservation precipitation tank 10, a reaction kettle 17, a cooler 18, a No. 1 pump 8, a No. 2 pump 13, a No. 3 pump 19 and a pipeline valve; the top of the preheating tank 5 is provided with a periodate waste grease feed pipe 1 and a water vapor discharge pipe 2 which are connected to a grease storage tank; a waste oil circulating pipe 3 is arranged at one side of the upper part of the preheating tank 5 and is connected to a left outlet of a four-way joint, and a right outlet of the four-way joint is connected with an oil residue mixture feeding pipe 9 arranged at the top of the heat-preserving precipitation tank 10; the upper grease discharging pipe 6 arranged at one side of the lower part of the preheating tank 5 is connected with the inlet of a No. 1 pump 8 after being converged with the grease mixture discharging pipe 7 at the bottom of the preheating tank 5, the outlet pipeline of the No. 1 pump 8 is connected with the lower outlet of a four-way joint, and the upper outlet of the four-way joint is connected with the primary grease separating feeding pipe 15 arranged at the top of the reaction kettle 17; the preheating tank 5 and the reaction kettle 17 are internally provided with heat conducting oil coils, an outlet pipeline of a heat conducting oil disc pipe of the preheating tank 5 is connected with an inlet of a heat conducting oil disc pipe of the reaction kettle 17 after being sequentially connected with a No. 3 pump 19 and a cooler 18, and an outlet of the heat conducting oil disc pipe of the reaction kettle 17 is connected with an inlet of the heat conducting oil disc pipe of the preheating tank 5 to form closed circulation of heat conducting oil; the secondary purification upper grease discharging pipe 11 arranged on one side of the lower part of the heat preservation precipitation tank 10 is connected with the inlet of a No. 2 pump 13 after being converged with the sludge discharging pipe 12 at the bottom of the heat preservation precipitation tank 10, the outlet of the No. 2 pump 13 is connected with a tee joint, one path of the tee joint is connected to a secondary purification grease feeding pipe 16 arranged at the top of a reaction kettle 17, and the other path of the tee joint is connected with a slag tank 14.
The pretreatment device for the waste oil with high iodine value of the water-based alkyd resin production raw material has the following technical characteristics and beneficial effects:
1. the raw oil is utilized to cool and exchange heat to the heat conduction oil, so that the utilization rate of heat is improved, and meanwhile, the consumption of cooling water is greatly reduced.
2. After the raw oil passes through the pretreatment device, most of impurities such as oil sludge, free water and the like can be separated and removed, and the dryness, color, stability and the like of the produced finished resin are obviously improved.
3. After the raw oil passes through the pretreatment device, the oil temperature can reach 110-130 ℃ when entering the reaction kettle, so that the energy consumption is greatly reduced, and the production efficiency of the resin is improved.
4. The whole device has simple and compact structure, simple treatment process and convenient operation.
Drawings
FIG. 1 is a schematic diagram of a pretreatment device for waste oil with high iodine value, which is a raw material for producing the water-based alkyd resin.
Reference numerals: the device comprises a high-iodine waste oil feeding pipe 1, a water vapor discharging pipe 2, a raw oil circulating pipe 3, a heat conducting oil circulating pipe 4, a preheating tank 5, an upper layer oil discharging pipe 6, an oil and slag mixture discharging pipe 7, a No. 1 pump 8, an oil and slag mixture feeding pipe 9, a heat preservation precipitation tank 10, a secondary precipitation upper layer oil discharging pipe 11, an oil sludge discharging pipe 12, a No. 2 pump 13, a slag tank 14, a primary oil separating feeding pipe 15, a secondary purifying oil feeding pipe 16, a reaction kettle 17, a cooler 18 and a No. 3 pump 19.
Detailed Description
The pretreatment device of the high-iodine value waste oil used as the raw material for producing the water-based alkyd resin is further described in detail below with reference to the accompanying drawings and the detailed description.
As shown in FIG. 1, the pretreatment device of the high iodine value waste oil of the water-based alkyd resin production raw material comprises 15m 3 Is 50m 3 Is 10 m and 20m of a thermal insulation precipitation tank 3 Reaction kettle 17 and 30m 3 A cooler 18, a pump 8, a pump 13, a pump 19 and pipeline valves; the top of the preheating tank 5 is provided with a periodate waste grease feed pipe 1 and a water vapor discharge pipe 2 which are connected to a grease storage tank; a waste oil circulating pipe 3 is arranged at one side of the upper part of the preheating tank 5 and is connected to a left outlet of a four-way joint, and a right outlet of the four-way joint is connected with an oil residue mixture feeding pipe 9 arranged at the top of the heat-preserving precipitation tank 10; the upper grease discharging pipe 6 arranged at one side of the lower part of the preheating tank 5 is connected with the inlet of a No. 1 pump 8 after being converged with the grease mixture discharging pipe 7 at the bottom of the preheating tank 5, the outlet pipeline of the No. 1 pump 8 is connected with the lower outlet of a four-way joint, and the upper outlet of the four-way joint is connected with the primary grease separating feeding pipe 15 arranged at the top of the reaction kettle 17; the preheating tank 5 and the reaction kettle 17 are internally provided with heat conducting oil coils, an outlet pipeline of a heat conducting oil disc pipe of the preheating tank 5 is connected with an inlet of a heat conducting oil disc pipe of the reaction kettle 17 after being sequentially connected with a No. 3 pump 19 and a cooler 18, and an outlet of the heat conducting oil disc pipe of the reaction kettle 17 is connected with an inlet of the heat conducting oil disc pipe of the preheating tank 5 to form closed circulation of heat conducting oil; the secondary purification upper grease discharging pipe 11 arranged on one side of the lower part of the heat preservation precipitation tank 10 is connected with the inlet of a No. 2 pump 13 after being converged with the sludge discharging pipe 12 at the bottom of the heat preservation precipitation tank 10, the outlet of the No. 2 pump 13 is connected with a tee joint, one path of the tee joint is connected to a secondary purification grease feeding pipe 16 arranged at the top of a reaction kettle 17, and the other path of the tee joint is connected with a slag tank 14.
During operation, raw oil from the oil storage tank is injected into the preheating tank 5 through the high-iodine waste oil feed pipe 1 in advance, and when the reaction kettle 17 needs to be cooled, high-temperature heat conduction oil in a coil pipe in the reaction kettle exchanges heat with the raw oil through the heat conduction oil circulation pipe 4 in the heat conduction oil in the preheating tank 5, and the raw oil in the preheating tank 5 exchanges heat with the high-temperature heat conduction oil in the coil pipe in the preheating tank 5 fully through the upper-layer oil discharge pipe 6, the No. 1 pump 8 and the raw oil circulation pipe 3 until the reaction kettle stops cooling; when the raw oil in the preheating tank 5 exchanges heat with the high-temperature heat-conducting oil in the heat-conducting oil circulating pipe 4, the raw oil is gradually heated to 110-130 ℃ from normal temperature, and free water in the raw oil is evaporated and then led away through the water vapor discharge pipe 2 in the process; when the reaction kettle is cooled, the raw oil in the preheating tank 5 is separated from impurities such as oil sludge, slag and the like at the temperature of 110-130 ℃, and the upper-layer grease enters the reaction kettle 17 through an upper-layer grease discharging pipe 6, a No. 1 pump 8 and a primary grease separating feeding pipe 15 for production; the oil residue mixture at the bottom of the preheating tank 5 enters a heat preservation precipitation tank 10 through an oil residue mixture discharging pipe 7, a No. 1 pump 8 and an oil residue mixture feeding pipe 9 for secondary separation and purification; the oil residue mixture in the heat preservation precipitation tank 10 is subjected to heat preservation precipitation separation at the temperature of 55-60 ℃, the oil sludge at the bottom of the heat preservation precipitation tank 10 is conveyed to the slag tank 14 through the oil sludge discharging pipe 12 and the No. 2 pump 13, and the raw oil at the lower part of the heat preservation precipitation tank 10 enters the reaction kettle 17 through the secondary purification oil discharging pipe 11, the No. 2 pump 13 and the secondary purification oil feeding pipe 16 for production operation. In the production formula process of the water-based resin, when the water-based alkyd resin is subjected to reaction, the water-based alkyd resin needs to be quickly cooled to a dilution temperature, generally, the temperature of the water-based alkyd resin is reduced from 270 ℃ to 120 ℃, and the high-temperature heat conduction oil in a reaction kettle coil is cooled by a raw oil pretreatment device and then is further cooled by a water cooling device (cooler).
Claims (1)
1. A pretreatment device for waste oil with high iodine value of a water-based alkyd resin production raw material is characterized in that: the device comprises a preheating tank (5), a heat-preserving precipitation tank (10), a reaction kettle (17), a cooler (18), a No. 1 pump (8), a No. 2 pump (13), a No. 3 pump (19) and a pipeline valve; the top of the preheating tank (5) is provided with a periodate waste grease feed pipe (1) and a water vapor discharge pipe (2) which are connected to the grease storage tank; a waste oil circulating pipe (3) is arranged at one side of the upper part of the preheating tank (5) and is connected to a left outlet of a four-way joint, and a right outlet of the four-way joint is connected with an oil residue mixture feeding pipe (9) arranged at the top of the heat-insulation precipitation tank (10); an upper grease discharging pipe (6) arranged at one side of the lower part of the preheating tank (5) is connected with an inlet of a No. 1 pump (8) after being converged with an oil residue mixture discharging pipe (7) at the bottom of the preheating tank (5), an outlet pipeline of the No. 1 pump (8) is connected with a lower outlet of a four-way joint, and an upper outlet of the four-way joint is connected with a primary grease separating feeding pipe (15) arranged at the top of a reaction kettle (17); the preheating tank (5) and the reaction kettle (17) are internally provided with heat conduction oil coils, an outlet pipeline of the heat conduction oil disc of the preheating tank (5) is connected with an inlet of the heat conduction oil disc of the reaction kettle (17) after being sequentially connected with a No. 3 pump (19) and a cooler (18), and an outlet of the heat conduction oil disc of the reaction kettle (17) is connected with an inlet of the heat conduction oil disc of the preheating tank (5) to form closed circulation of heat conduction oil; the secondary purification upper grease discharging pipe (11) arranged on one side of the lower part of the heat preservation precipitation tank (10) is connected with the inlet of a No. 2 pump (13) after being converged with the sludge discharging pipe (12) arranged at the bottom of the heat preservation precipitation tank (10), the outlet of the No. 2 pump (13) is connected with a tee joint, one path of the tee joint is connected to a secondary purification grease feeding pipe (16) arranged at the top of the reaction kettle (17), and the other path of the tee joint is connected with the slag tank (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321382626.4U CN219744827U (en) | 2023-06-01 | 2023-06-01 | Pretreatment device for waste oil with high iodine value from water-based alkyd resin production raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321382626.4U CN219744827U (en) | 2023-06-01 | 2023-06-01 | Pretreatment device for waste oil with high iodine value from water-based alkyd resin production raw materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219744827U true CN219744827U (en) | 2023-09-26 |
Family
ID=88089749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321382626.4U Active CN219744827U (en) | 2023-06-01 | 2023-06-01 | Pretreatment device for waste oil with high iodine value from water-based alkyd resin production raw materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219744827U (en) |
-
2023
- 2023-06-01 CN CN202321382626.4U patent/CN219744827U/en active Active
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