CN204569870U - A kind of Novel waste lubrication oil circulation reclaiming production line - Google Patents
A kind of Novel waste lubrication oil circulation reclaiming production line Download PDFInfo
- Publication number
- CN204569870U CN204569870U CN201520040023.5U CN201520040023U CN204569870U CN 204569870 U CN204569870 U CN 204569870U CN 201520040023 U CN201520040023 U CN 201520040023U CN 204569870 U CN204569870 U CN 204569870U
- Authority
- CN
- China
- Prior art keywords
- oil
- communicates
- ozone
- outlet
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005461 lubrication Methods 0.000 title claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003921 oil Substances 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 28
- 239000010687 lubricating oil Substances 0.000 claims abstract description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 16
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 13
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 50
- 238000012546 transfer Methods 0.000 claims description 24
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 15
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 15
- 239000004571 lime Substances 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000003463 adsorbent Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000009834 vaporization Methods 0.000 abstract description 2
- 230000008016 vaporization Effects 0.000 abstract description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
A kind of Novel waste lubrication oil circulation reclaiming production line, it comprises waste lubricating oil basin (5), still kettle (1), separation column (2), interchanger (3), electromagnetic induction heater (4), cooling system, finished pot (6), oil-gas separator (11), filtration unit, vacuum pump (12), nitrogen gas generator (10), nitrogen basin (13) and odor removal, the oil outlet of waste lubricating oil basin (5) is communicated by oil pump still kettle (1), entering of interchanger (3), oil outlet circulates with still kettle (1) and communicates, electromagnetic induction heater (4) is arranged on interchanger (3), Design of Production Line is scientific and reasonable, works continuously, easy to operate, and production efficiency is high, vaporization temperature is low, heated time is short, and product performance is stablized, good product quality, product purity is high.
Description
Technical field
The utility model relates to a kind of Novel waste lubrication oil circulation reclaiming production line.
Background technology
At present, the general recovering effect of existing waste lubricating oil circulation and stress device is good not, product purity is not high enough, need acid adding in recovery process, add alkali, add processing sequence, increase tooling cost, also can cause environmental pollution, vacuum pump is in use often blocked by the colloid impurity contained in gas in oil-gas separator, the equipment loss such as cause that vaccum pump motor burns.
Utility model content
The purpose of this utility model is exactly at present, the general recovering effect of existing waste lubricating oil circulation and stress device is good not, product purity is not high enough, need acid adding in recovery process, add alkali, add processing sequence, increase tooling cost, also environmental pollution can be caused, vacuum pump is in use often blocked by the colloid impurity contained in gas in oil-gas separator, the deficiency of the equipment loss such as cause that vaccum pump motor burns, and provides a kind of Novel waste lubrication oil circulation reclaiming production line.
The utility model comprises waste lubricating oil basin, still kettle, separation column 2, interchanger, electromagnetic induction heater, cooling system, finished pot, oil-gas separator, filtration unit, vacuum pump, nitrogen gas generator, nitrogen basin and odor removal, the oil outlet of waste lubricating oil basin is communicated by oil pump still kettle, entering of interchanger, oil outlet circulates with still kettle and communicates, electromagnetic induction heater is installed on heat exchangers, the vapor outlet port of still kettle communicates with the steam-gas inlet of separation column, the vapor outlet port of separation column communicates with the steam-gas inlet of cooling system, the liquid exit of cooling system communicates with finished pot, the venting port of finished pot communicates with oil-gas separator inlet mouth, filtration unit comprises tank body, upper cover, lower cover, one group of stainless steel filter screen and solid adsorbent, on cover and be provided with inlet mouth, upper cover is arranged on tank body top, and the inlet mouth of upper cover communicates with the air outlet of oil-gas separator, one group of stainless steel filter screen and solid adsorbent are arranged on tank interior respectively, and solid adsorbent is positioned at the below of one group of stainless steel filter screen, under cover and be provided with air outlet, lower cover is arranged on tank base, the inlet mouth of vacuum pump with cover under filtration unit air outlet communicate, nitrogen gas generator is provided with oxygen outlet and nitrogen outlet, the inlet mouth of nitrogen basin communicates with nitrogen gas generator nitrogen outlet, nitrogen basin air outlet communicates with still kettle, odor removal comprises ozonizer, ozone pressurized tank, pump, Odor control room, ozone transfer lime and one group of ozone steam head, the oxygen intake of ozonizer is communicated by pipeline with the oxygen outlet of nitrogen gas generator, the entrance of ozone pressurized tank is communicated by pipeline with the ozone outlet of ozonizer, Odor control room covers on outside one group of vacuum pump unit of waste lubricating oil circulation and stress recycling line, ozone transfer lime is provided with ozone entrance and one group of shower nozzle open holes, ozone transfer lime is arranged in Odor control chamber interior walls, and the ozone entrance of ozone transfer lime is communicated by the outlet of pump with ozone pressurized tank, one group of ozone steam head is arranged in one group of shower nozzle open holes of ozone transfer lime respectively.
Cooling system is two coolers, two cooler is made up of telescoping oil cooler and telescoping water-cooling device, telescoping oil cooler is made up of pipe in oil cooling outer tube and oil cooling, telescoping water-cooling device is made up of water-cooled outer tube and water-cooled inner tube, in oil cooling, pipe box is in oil cooling outer tube, the import and export of oil cooling outer tube to be circulated with waste lubricating oil basin by pump and communicates, in oil cooling, the import of pipe communicates with separation column, outlet communicates with the import of the water-cooled inner tube of telescoping water-cooling device, the outlet of water-cooled inner tube communicates with finished pot, and the import and export of water-cooled outer tube to be circulated with water tank by pump and communicates.
It also has water-sealed tank, and the inlet mouth of water-sealed tank communicates with oil-gas separator air outlet.
The multi-stage heat exchanger that interchanger is made up of one group of interchanger, interchanger is made up of heat transfer tube and electromagnetic induction heater, and the ruhmkorff coil of electromagnetic induction heater is around on heat transfer tube, and the heat transfer tube serial connection of multi-stage heat exchanger communicates, entering of multi-stage heat exchanger, exporting to be circulated with still kettle by pump communicates.
It also has ozone concn warning howler, and ozone concn warning howler is arranged on the outer wall of Odor control room.
The utility model advantage is:
1, this Design of Production Line is scientific and reasonable, works continuously, easy to operate, and production efficiency is high.
2, this production line vaporization temperature is low, heated time is short, and product performance is stablized.
3, not acid adding, add alkali: adopt pure physics mode to be separated, under vacuum and nitrogen atmosphere, the flames of anger is heated, and safety coefficient is high, and non-secondary pollution.
4, good product quality, product purity is high.
5, before vacuum pump, add filtration unit, fallen in gas in oil-gas separator with contaminant filters such as colloids, avoid vacuum pump by the phenomenon of burning apparatus after colloid blocking.
6, make use of the addition product oxygen that in production line, nitrogen gas generator produces is that ozone made by raw material, purifies, both make use of production line fittings to the foul smell that vacuum pump unit is extracted out, has processed again the waste gas of the band stink that vacuum pump unit produces, has killed two birds with one stone.
accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of the utility model filtration unit.
Fig. 3 is the structural representation of the utility model odor removal.
Embodiment
As Fig. 1, 2, shown in 3, the utility model comprises waste lubricating oil basin 5, still kettle 1, separation column 2, interchanger 3, electromagnetic induction heater 4, cooling system, finished pot 6, oil-gas separator 11, filtration unit, vacuum pump 12, nitrogen gas generator 10, nitrogen basin 13 and odor removal, the oil outlet of waste lubricating oil basin 5 is communicated by oil pump still kettle 1, entering of interchanger 3, oil outlet circulates with still kettle 1 and communicates, electromagnetic induction heater 4 is arranged on interchanger 3, the vapor outlet port of still kettle 1 communicates with the steam-gas inlet of separation column 2, the vapor outlet port of separation column 2 communicates with the steam-gas inlet of cooling system, the liquid exit of cooling system communicates with finished pot 6, the venting port of finished pot 6 communicates with oil-gas separator 11 inlet mouth, filtration unit comprises tank body 20, upper cover 21, lower cover 22, one group of stainless steel filter screen 23 and solid adsorbent 24, upper cover 21 is provided with inlet mouth, upper cover 21 is arranged on tank body 20 top, and the inlet mouth of upper cover 21 communicates with the air outlet of oil-gas separator 11, it is inner that one group of stainless steel filter screen 23 and solid adsorbent 24 are arranged on tank body 20 respectively, and solid adsorbent 24 is positioned at the below of one group of stainless steel filter screen 23, lower cover 22 is provided with air outlet, lower cover 22 is arranged on bottom tank body 20, the inlet mouth of vacuum pump 12 with on filtration unit lower cover 22 air outlet communicate, nitrogen gas generator 10 is provided with oxygen outlet and nitrogen outlet, the inlet mouth of nitrogen basin 13 communicates with nitrogen gas generator 10 nitrogen outlet, nitrogen basin 10 air outlet communicates with still kettle 1, odor removal comprises ozonizer 32, ozone pressurized tank 33, pump 34, Odor control room 35, ozone transfer lime 36 and one group of ozone steam head 37, the oxygen intake of ozonizer 32 is communicated by pipeline with the oxygen outlet of nitrogen gas generator 10, the entrance of ozone pressurized tank 33 is communicated by pipeline with the ozone outlet of ozonizer 32, Odor control room 35 covers on outside one group of vacuum pump unit of waste lubricating oil circulation and stress recycling line, ozone transfer lime 36 is provided with ozone entrance and one group of shower nozzle open holes, ozone transfer lime 36 is arranged on the inwall of Odor control room 35, and the ozone entrance of ozone transfer lime 36 is communicated by the outlet of pump 34 with ozone pressurized tank 33, one group of ozone steam head 37 is arranged in one group of shower nozzle open holes of ozone transfer lime 36 respectively.
Cooling system is two coolers, two cooler is made up of telescoping oil cooler and telescoping water-cooling device, telescoping oil cooler is made up of pipe 7-1 in oil cooling outer tube 7 and oil cooling, telescoping water-cooling device is made up of water-cooled outer tube 8 and water-cooled inner tube 8-1, in oil cooling, pipe 7-1 is enclosed within oil cooling outer tube 7, entering of oil cooling outer tube 7, exporting to be circulated with waste lubricating oil basin 5 by pump communicates, in oil cooling, the import of pipe 7-1 communicates with separation column 2, outlet communicates with the import of the water-cooled inner tube 8-1 of telescoping water-cooling device, the outlet of water-cooled inner tube 8-1 communicates with finished pot, entering of water-cooled outer tube 8, exporting to be circulated with water tank by pump communicates.
It also has water-sealed tank 9, and the inlet mouth of water-sealed tank 9 communicates with oil-gas separator 11 air outlet.
The multi-stage heat exchanger that interchanger is made up of one group of interchanger, interchanger is made up of heat transfer tube 2 and electromagnetic induction heater 3, the ruhmkorff coil of electromagnetic induction heater 3 is around on heat transfer tube 2, heat transfer tube 2 serial connection of multi-stage heat exchanger communicates, entering of multi-stage heat exchanger, exporting to be circulated with still kettle 1 by pump communicates.
It also has ozone concn warning howler 38, and ozone concn warning howler 38 is arranged on the outer wall of Odor control room 35.
Mode of operation: A, waste lubricating oil heat: be sent by pumping to by the waste lubricating oil of waste lubricating oil basin 5 in still kettle 1, enter in interchanger 3 again, after waste lubricating oil in interchanger 3 is heated to 300-400 DEG C by electromagnetic induction heater 4, then enter in still kettle 1;
B, distillation fractionation: the waste lubricating oil after heating is in still kettle 1, and under nitrogen atmosphere, under pressure-0.07-0.09Mpa condition, distill, the gas of distillation enters separation column, and the excess oil of distillation is back in interchanger 3 and reheats;
C, cooling: enter the gas of separation column under nitrogen atmosphere, under pressure-0.07-0.09Mpa condition, carry out fractionation;
Gas after D, fractionation enters cooling system, under nitrogen atmosphere, under pressure-0.07-0.09Mpa condition, after being condensed into liquid, entering finished pot 6 and stores.
Whole production line runs under nitrogen atmosphere and under condition of negative pressure.Nitrogen is provided by nitrogen gas generator 10, and negative pressure is provided by vacuum pump, installs filtration unit additional and filter the gaseous impurities sucked before vacuum pump.
With in production line nitrogen gas generator produce addition product oxygen be that ozone made by raw material, the foul smell that vacuum pump unit is extracted out is purified, warning is sent when the ozone concn that ozone concn warning howler 38 monitors workshop exceeds standard and jeopardizes shop worker's personnel safety time, now should close ozonizer 32, after workshop ozone concn lowers, again open ozonizer 32.
Claims (5)
1. a Novel waste lubrication oil circulation reclaiming production line, it is characterized in that it comprises waste lubricating oil basin (5), still kettle (1), separation column (2), interchanger (3), electromagnetic induction heater (4), cooling system, finished pot (6), oil-gas separator (11), filtration unit, vacuum pump (12), nitrogen gas generator (10), nitrogen basin (13) and odor removal, the oil outlet of waste lubricating oil basin (5) is communicated by oil pump still kettle (1), entering of interchanger (3), oil outlet circulates with still kettle (1) and communicates, electromagnetic induction heater (4) is arranged on interchanger (3), the vapor outlet port of still kettle (1) communicates with the steam-gas inlet of separation column (2), the vapor outlet port of separation column (2) communicates with the steam-gas inlet of cooling system, the liquid exit of cooling system communicates with finished pot (6), the venting port of finished pot (6) communicates with oil-gas separator (11) inlet mouth, filtration unit comprises tank body (20), upper cover (21), lower cover (22), one group of stainless steel filter screen (23) and solid adsorbent (24), upper cover (21) is provided with inlet mouth, upper cover (21) is arranged on tank body (20) top, and the inlet mouth of upper cover (21) communicates with the air outlet of oil-gas separator (11), it is inner that one group of stainless steel filter screen (23) and solid adsorbent (24) are arranged on tank body (20) respectively, and solid adsorbent (24) is positioned at the below of one group of stainless steel filter screen (23), lower cover (22) is provided with air outlet, lower cover (22) is arranged on tank body (20) bottom, the inlet mouth of vacuum pump (12) with on filtration unit lower cover (22) air outlet communicate, nitrogen gas generator (10) is provided with oxygen outlet and nitrogen outlet, the inlet mouth of nitrogen basin (13) communicates with nitrogen gas generator (10) nitrogen outlet, nitrogen basin (10) air outlet communicates with still kettle (1), odor removal comprises ozonizer (32), ozone pressurized tank (33), pump (34), Odor control room (35), ozone transfer lime (36) and one group of ozone steam head (37), the oxygen intake of ozonizer (32) is communicated by pipeline with the oxygen outlet of nitrogen gas generator (10), the entrance of ozone pressurized tank (33) is communicated by pipeline with the ozone outlet of ozonizer (32), Odor control room (35) covers on outside one group of vacuum pump unit of waste lubricating oil circulation and stress recycling line, ozone transfer lime (36) is provided with ozone entrance and one group of shower nozzle open holes, ozone transfer lime (36) is arranged on Odor control room (35) inwall, and the ozone entrance of ozone transfer lime (36) is communicated by the outlet of pump (34) with ozone pressurized tank (33), one group of ozone steam head (37) is arranged in one group of shower nozzle open holes of ozone transfer lime (36) respectively.
2. a kind of Novel waste lubrication oil circulation reclaiming production line according to claim 1, it is characterized in that cooling system is two coolers, two cooler is made up of telescoping oil cooler and telescoping water-cooling device, telescoping oil cooler is made up of pipe (7-1) in oil cooling outer tube (7) and oil cooling, telescoping water-cooling device is made up of water-cooled outer tube (8) and water-cooled inner tube (8-1), in oil cooling, pipe (7-1) is enclosed within oil cooling outer tube (7), entering of oil cooling outer tube (7), exporting to be circulated with waste lubricating oil basin (5) by pump communicates, in oil cooling, the import of pipe (7-1) communicates with separation column (2), outlet communicates with the import of the water-cooled inner tube (8-1) of telescoping water-cooling device, the outlet of water-cooled inner tube (8-1) communicates with finished pot, entering of water-cooled outer tube (8), exporting to be circulated with water tank by pump communicates.
3. a kind of Novel waste lubrication oil circulation reclaiming production line according to claim 1, it is characterized in that it also has water-sealed tank (9), the inlet mouth of water-sealed tank (9) communicates with oil-gas separator (11) air outlet.
4. a kind of Novel waste lubrication oil circulation reclaiming production line according to claim 1, it is characterized in that the multi-stage heat exchanger that interchanger is made up of one group of interchanger, interchanger is made up of heat transfer tube (2) and electromagnetic induction heater (3), the ruhmkorff coil of electromagnetic induction heater (3) is around on heat transfer tube (2), heat transfer tube (2) serial connection of multi-stage heat exchanger communicates, entering of multi-stage heat exchanger, exporting to be circulated with still kettle (1) by pump communicates.
5. a kind of Novel waste lubrication oil circulation reclaiming production line according to claim 1, it is characterized in that it also has ozone concn warning howler (38), ozone concn warning howler (38) is arranged on the outer wall of Odor control room (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040023.5U CN204569870U (en) | 2015-01-21 | 2015-01-21 | A kind of Novel waste lubrication oil circulation reclaiming production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040023.5U CN204569870U (en) | 2015-01-21 | 2015-01-21 | A kind of Novel waste lubrication oil circulation reclaiming production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204569870U true CN204569870U (en) | 2015-08-19 |
Family
ID=53862538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520040023.5U Expired - Fee Related CN204569870U (en) | 2015-01-21 | 2015-01-21 | A kind of Novel waste lubrication oil circulation reclaiming production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204569870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062883A (en) * | 2020-09-02 | 2020-12-11 | 烟台木赐化工科技有限公司 | Polyethylene wax purification method and purification system |
-
2015
- 2015-01-21 CN CN201520040023.5U patent/CN204569870U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062883A (en) * | 2020-09-02 | 2020-12-11 | 烟台木赐化工科技有限公司 | Polyethylene wax purification method and purification system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101956061B (en) | Process and device for recovering and recycling protective gas of bell-type bright annealing furnace | |
| CN205368286U (en) | Waste oil circulation reclaiming production line with lubricated storage tank | |
| CN107759471A (en) | A kind of adjacent benzene class plasticizer liquid-phase hydrogenatin preparing cyclohexane class plasticizer product separating-purifying device and technique | |
| CN106866368A (en) | Alcoholic gas field sewage methanol recovery device and technique based on air- extraction and vacuum membrane distillation method | |
| CN204569870U (en) | A kind of Novel waste lubrication oil circulation reclaiming production line | |
| CN201300008Y (en) | Oil filter system for reclaiming waste oil | |
| CN204569869U (en) | A kind of waste lubricating oil circulation and stress recycling line with filtration unit | |
| CN102977989B (en) | Waste lubricating oil recycling regeneration production process | |
| CN210356060U (en) | A solvent recovery equipment for producing jasmine essential oil | |
| JP2023508931A (en) | Organic liquid purification and recovery apparatus and methods | |
| CN201172659Y (en) | Regenerative device for rolling oil of aluminium strip foil rolling mill | |
| CN214571786U (en) | Plant essential oil refining equipment | |
| CN213760536U (en) | Liquid purifying equipment | |
| CN204815749U (en) | Solvent recovery unit in tail gas | |
| CN211536589U (en) | Distillation plant is used in processing of industrial grade glycerine | |
| CN108678075A (en) | The device of pure water is made in a kind of moisture using in air | |
| CN203763870U (en) | Caprolactam concentrating device for production of chinlon 6 slice | |
| CN209188166U (en) | One kind is convenient for removing deimpurity rectifying column | |
| CN212467163U (en) | Two-stage vacuum oil purifier | |
| CN112386931A (en) | Liquid purification method | |
| CN205019760U (en) | Ordinary pressure distillation purification device | |
| CN205815283U (en) | A kind of integrated form oil filter | |
| CN204752564U (en) | Apparatus for producing of smart dimeric acid | |
| CN204752565U (en) | Apparatus for producing of dimeric acid | |
| CN214344495U (en) | Liquid heating multistage purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel spent lubricating oil circulation reclaiming production line Effective date of registration: 20180222 Granted publication date: 20150819 Pledgee: Branch Bank of Industrial Commercial Bank of China Ltd. Jingmen Petrochemical Industrial Zone Pledgor: HUBEI AIGUO PETROCHEMICAL CO.,LTD. Registration number: 2018420000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |