CN219848264U - Waste lubricating oil hydrogen pretreatment purification device - Google Patents
Waste lubricating oil hydrogen pretreatment purification device Download PDFInfo
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- CN219848264U CN219848264U CN202321021349.4U CN202321021349U CN219848264U CN 219848264 U CN219848264 U CN 219848264U CN 202321021349 U CN202321021349 U CN 202321021349U CN 219848264 U CN219848264 U CN 219848264U
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- China
- Prior art keywords
- lubricating oil
- cooling
- evaporation tank
- pipe
- waste lubricating
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 70
- 239000002699 waste material Substances 0.000 title claims abstract description 53
- 238000000746 purification Methods 0.000 title claims abstract description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 5
- 239000001257 hydrogen Substances 0.000 title claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 230000008020 evaporation Effects 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 230000018044 dehydration Effects 0.000 claims abstract description 22
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 22
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims description 33
- 238000005485 electric heating Methods 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 208000005156 Dehydration Diseases 0.000 description 19
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model provides a waste lubricating oil hydrogen pretreatment purification device which comprises a filtering device, a dehydration device and a hydrogenation reactor, wherein the dehydration device comprises a barrel body, the upper end of the barrel body is provided with a cooling dome plate, an evaporation tank is arranged in the barrel body, a preheating chamber is arranged below the evaporation tank, a heat conducting oil and a heated pipe are arranged in the preheating chamber, one end of the heated pipe penetrates out of the barrel body and is connected with a lubricating oil input pipe, and the other end of the heated pipe upwards penetrates through the bottom of the evaporation tank and stretches into the evaporation tank; one side of the evaporation tank is provided with a lubricating oil output pipe; the bottom of the preheating chamber is provided with a primary heating device; the bottom of the evaporation tank is provided with a secondary heating device; a cooling device is arranged above the cooling dome plate, and an annular water collecting tank is arranged on the inner wall of the barrel body; one side of the annular water collecting tank is connected with a condensed water output pipe. When the utility model is used for dewatering the waste lubricating oil, the equipment and the process method are simpler, the process cost is low, and the treatment cost of the waste lubricating oil is reduced.
Description
Technical Field
The utility model relates to the technical field of waste lubricating oil treatment, in particular to a waste lubricating oil hydrogenation pretreatment purification device.
Background
The amount of lubricating oil consumed each year in China is huge. With the annual increase of the total consumption of lubricating oil, the amount of waste lubricating oil changed by vehicles, industrial equipment and the like every year increases dramatically.
In the existing waste lubricating oil treatment technology, the hydrotreating process is the treatment process with the most development prospect at present, the key process of the hydrotreating process is the hydrotreating pretreatment purification of the waste lubricating oil, and the operating route of the hydrotreating pretreatment purification of the waste lubricating oil is as follows: filtering the recovered waste lubricating oil to remove solid impurities in the lubricating oil; then, dehydrating the filtered waste lubricating oil to remove water in the waste lubricating oil; and finally, introducing the waste lubricating oil into a hydrogenation reactor, carrying out hydrogenation reaction under the temperature condition of 360-380 ℃ and the action of a catalyst to enable non-ideal components in the waste lubricating oil to be saturated by hydrogenation, and finally, carrying out fractional distillation and cutting on the oil after the hydrogenation reaction to finally obtain the target product.
The dehydration treatment of the waste lubricating oil is an important step in the purification process of the hydro-pretreatment, and the traditional dehydration method of the waste lubricating oil generally adopts a flash evaporation drying tower to remove the water in the waste lubricating oil so as to achieve the purpose of dehydration; the existing method for dehydrating the waste lubricating oil by using the flash drying tower has the defects of complex equipment and process and high process cost, thereby improving the treatment cost of the waste lubricating oil.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a device for the hydro-pretreatment and purification of waste lubricating oil.
The utility model aims at realizing the following technical scheme: the device comprises a filtering device, a dehydration device and a hydrogenation reactor, wherein the dehydration device comprises a barrel body, a cooling dome plate is arranged at the upper end of the barrel body, an evaporation tank is arranged in the barrel body, a preheating chamber is arranged below the evaporation tank, heat conduction oil and a heated pipe are arranged in the preheating chamber, one end of the heated pipe penetrates out of the barrel body and is connected with a lubricating oil input pipe, and the other end of the heated pipe upwards penetrates through the bottom of the evaporation tank and stretches into the evaporation tank; one side of the evaporation tank is provided with a lubricating oil output pipe;
the bottom of the preheating chamber is provided with a primary heating device; the bottom of the evaporation tank is provided with a secondary heating device;
a cooling device is arranged above the cooling dome plate, an annular water collecting tank is arranged on the inner wall of the barrel body, and the annular water collecting tank is positioned above the evaporation tank; one side of the annular water collecting tank is connected with a condensed water output pipe.
Preferably, the cooling device comprises a cooling water cover body arranged at the upper end of the cooling dome plate, a cooling water chamber is formed between the cooling water cover body and the cooling dome plate, and a cooling water input pipe and a cooling water output pipe are arranged on the cooling water cover body.
Preferably, the heated tube has a serpentine coil shape.
Preferably, the primary heating device and the secondary heating device are both electric heating plates.
Preferably, the lower surface of the cooling dome plate is spherical; the vapor evaporated from the waste lubricating oil by heating cools on the lower surface of the cooling dome plate to form condensed water, and the condensed water falls down to the annular water collecting tank along the lower surface of the cooling dome plate.
Preferably, a first delivery pump is arranged between the filtering device and the dehydration device, and a second delivery pump is arranged between the dehydration device and the hydrogenation reactor.
The beneficial effects of the utility model are as follows: when the waste lubricating oil is dehydrated, the equipment and the process method are simpler, the process cost is low, and the treatment cost of the waste lubricating oil is reduced; and the dehydration device can heat the waste lubricating oil to more than 150 ℃ to play a role in preheating the subsequent hydrogenation reaction.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the dehydrating apparatus.
In the figure: 1. the device comprises a filtering device, 2, a dehydration device, 3, a hydrogenation reactor, 4, a first delivery pump, 5, a second delivery pump, 10, a barrel body, 11, a cooling water cover body, 12, an evaporation tank, 13, a heat receiving pipe, 14, a lubricating oil input pipe, 15, a primary heating device, 16, heat conducting oil, 17, a secondary heating device, 18, a lubricating oil output pipe, 19, a cooling dome plate, 20, an annular water collecting tank, 21, a condensed water output pipe, 22, a cooling water input pipe, 23 and a cooling water output pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1, the device for purifying the waste lubricating oil by hydrogen pretreatment comprises a filtering device 1, a dehydration device 2 and a hydrogenation reactor 3. A first delivery pump 4 is arranged between the filtering device 1 and the dehydration device 2, and a second delivery pump 5 is arranged between the dehydration device 2 and the hydrogenation reactor 3. The filtering device 1 is used for filtering the waste lubricating oil and filtering out solid particles in the waste lubricating oil. The first transfer pump 4 serves to transfer the waste lubricating oil filtered by the filtering device 1 to the dehydrating device 2. The dehydration device 2 is used for carrying out dehydration treatment on the filtered waste lubricating oil to remove the moisture in the waste lubricating oil; the second transfer pump 5 functions to transfer the dehydrated spent lube oil to the hydrogenation reactor 3.
The dewatering device 2 comprises a barrel body 10, a cooling dome plate 19 is arranged at the upper end of the barrel body 10, an evaporation tank 12 is arranged in the barrel body 10, a preheating chamber is arranged below the evaporation tank 12, and heat conducting oil 16 and a heated pipe 13 are arranged in the preheating chamber. The heat receiving pipe 13 has a serpentine coil shape. One end of the heat receiving pipe 13 penetrates out of the barrel body 10 and is connected with the lubricating oil input pipe 14, and the other end of the heat receiving pipe 13 upwards penetrates through the bottom of the evaporation tank 12 and stretches into the evaporation tank 12. A lubricating oil output pipe 18 is arranged on one side of the evaporation tank 12; the lubricating oil output pipe 18 is connected with the hydrogenation reactor 3.
The bottom of the preheating chamber is provided with a primary heating device 15; the bottom of the evaporation tank 12 is provided with a secondary heating device 17. In the present utility model, the primary heating device 15 and the secondary heating device 17 are both electric heating plates.
A cooling device is arranged above the cooling dome plate 19. The cooling device comprises a cooling water cover body 11 arranged at the upper end of a cooling dome plate 19, a cooling water chamber is formed between the cooling water cover body 11 and the cooling dome plate 19, and a cooling water input pipe 22 and a cooling water output pipe 23 are arranged on the cooling water cover body 19; the cooling water inlet pipe 22 is provided at the lower end of one side of the cooling water housing 19, and the cooling water outlet pipe 23 is provided at the upper end of the other side of the cooling water housing 19. Cooling water is introduced into the cooling water chamber through the cooling water inlet pipe 22, and the cooling water in the cooling chamber is discharged from the cooling water outlet pipe 23.
An annular water collecting tank 20 is arranged on the inner wall of the barrel body 10, and the annular water collecting tank 20 is positioned above the evaporation tank 12; one side of the annular water collecting tank 20 is connected with a condensed water output pipe 21. The lower surface of the cooling dome plate 19 is spherical; the vapor evaporated by heat from the waste lubricating oil cools on the lower surface of the cooling dome plate to form condensed water, which falls down the lower surface of the cooling dome plate into an annular water collecting tank, and is discharged from the condensed water output pipe 21.
When the dehydration device 2 dehydrates the waste lubricating oil, the waste lubricating oil is introduced from the lubricating oil input pipe 14, and the waste lubricating oil enters the evaporation tank after passing through the heat receiving pipe; heating the heat conduction oil by a first-stage heating device to enable the heat conduction oil to reach the temperature of 150-180 ℃, heating the waste lubricating oil by the heat conduction oil when the waste lubricating oil passes through a heated pipe to enable the waste lubricating oil to reach the temperature of 90-95 ℃, then enabling the preheated waste lubricating oil to enter an evaporation tank, reheating the waste lubricating oil by a second-stage heating device in the evaporation tank to enable moisture in the waste lubricating oil to evaporate to form water vapor, condensing the rising water vapor after encountering a cooling dome plate to form condensed water, enabling the condensed water to roll down into an annular water collecting tank along the lower surface of the cooling dome plate, and finally discharging the condensed water entering the annular water collecting tank from a condensed water output pipe; in the process, continuously introducing cooling water into the cooling water chamber through the cooling water input pipe to continuously cool the cooling dome plate; the waste lubricating oil after heating and dewatering reaches the temperature of more than 150 ℃, is discharged from a lubricating oil output pipe and is led to a hydrogenation reactor. The reaction temperature in the hydrogenation reactor is 360-380 ℃, so that the dehydration device not only can realize dehydration treatment of the waste lubricating oil, but also can heat the waste lubricating oil to ensure that the temperature of the waste lubricating oil reaches more than 150 ℃ when the waste lubricating oil is output from the dehydration device, thereby playing a role in preheating subsequent hydrogenation reactions.
When the waste lubricating oil is dehydrated, the equipment and the process method are simpler, the process cost is low, and the treatment cost of the waste lubricating oil is reduced; and the dehydration device can heat the waste lubricating oil to more than 150 ℃ to play a role in preheating the subsequent hydrogenation reaction.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (6)
1. The device is characterized in that the dehydration device comprises a barrel body, a cooling dome plate is arranged at the upper end of the barrel body, an evaporation tank is arranged in the barrel body, a preheating chamber is arranged below the evaporation tank, heat conduction oil and a heated pipe are arranged in the preheating chamber, one end of the heated pipe penetrates out of the barrel body and is connected with a lubricating oil input pipe, and the other end of the heated pipe upwards penetrates through the bottom of the evaporation tank and stretches into the evaporation tank; one side of the evaporation tank is provided with a lubricating oil output pipe;
the bottom of the preheating chamber is provided with a primary heating device; the bottom of the evaporation tank is provided with a secondary heating device;
a cooling device is arranged above the cooling dome plate, an annular water collecting tank is arranged on the inner wall of the barrel body, and the annular water collecting tank is positioned above the evaporation tank; one side of the annular water collecting tank is connected with a condensed water output pipe.
2. The device for the hydrogen pretreatment and purification of the waste lubricating oil according to claim 1, wherein the cooling device comprises a cooling water cover body arranged at the upper end of the cooling dome plate, a cooling water chamber is formed between the cooling water cover body and the cooling dome plate, and a cooling water input pipe and a cooling water output pipe are arranged on the cooling water cover body.
3. The apparatus according to claim 1, wherein the heat-receiving pipe has a serpentine coiled shape.
4. The apparatus according to claim 1, wherein the primary heating means and the secondary heating means are electric heating plates.
5. The apparatus for the hydro-pretreatment purification of waste lubricating oil according to any one of claims 1 to 4, wherein the lower surface of the cooling dome plate is spherical; the vapor evaporated from the waste lubricating oil by heating cools on the lower surface of the cooling dome plate to form condensed water, and the condensed water falls down to the annular water collecting tank along the lower surface of the cooling dome plate.
6. The apparatus according to any one of claims 1 to 4, wherein a first transfer pump is provided between the filtering apparatus and the dehydrating apparatus, and a second transfer pump is provided between the dehydrating apparatus and the hydrogenation reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321021349.4U CN219848264U (en) | 2023-04-26 | 2023-04-26 | Waste lubricating oil hydrogen pretreatment purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321021349.4U CN219848264U (en) | 2023-04-26 | 2023-04-26 | Waste lubricating oil hydrogen pretreatment purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848264U true CN219848264U (en) | 2023-10-20 |
Family
ID=88370743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321021349.4U Active CN219848264U (en) | 2023-04-26 | 2023-04-26 | Waste lubricating oil hydrogen pretreatment purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848264U (en) |
-
2023
- 2023-04-26 CN CN202321021349.4U patent/CN219848264U/en active Active
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