CN201665675U - System for recovering and regenerating the waste oil - Google Patents
System for recovering and regenerating the waste oil Download PDFInfo
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- CN201665675U CN201665675U CN2010201645345U CN201020164534U CN201665675U CN 201665675 U CN201665675 U CN 201665675U CN 2010201645345 U CN2010201645345 U CN 2010201645345U CN 201020164534 U CN201020164534 U CN 201020164534U CN 201665675 U CN201665675 U CN 201665675U
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Abstract
The utility model relates to a system for recovering and regenerating the waste oil, comprising a pre-processing system, wherein the pre-processing system comprises a filter device, a stirring vessel communicated with the filter system and a pressure filtration device communicated wit the stirring vessel by the pipeline; an atmospheric distillation system, wherein the atmospheric distillation system comprises an atmospheric distillation vessel communicated with the pressure filtration device, an atmospheric distillation condenser arranged on the atmospheric distillation vessel, an after-condenser arranged above the atmospheric distillation vessel and a low boiling-point distillation-fraction oil temporary storage jar arranged below the atmospheric distillation condenser. The system for recovering and regenerating the waste oil classifiably effectively recovers and regenerates various distillation-fractions in the waste oil and the oil product quality is good to completely achieve the trade standard and the recovery utilization rate is high.
Description
Technical field
The utility model relates to a kind of system that is used for the waste oil reclaiming.
Background technology
Traditional tower refining technique or coking cracking technology reclaim waste lubricating oil, about process furnace was directly heated the stock oil naked light to 450 ℃, (cracking temperature is 426 ℃) refined under cracking condition, and Yin Wendu is too high, the easy cracking of stock oil, generate unsaturated hydrocarbons such as alkene, and the easy oxidation of unsaturated hydrocarbons makes that the product oxidation-resistance is poor, color is dark, fraction can't be cut apart, and can only make non-standard oil fuel and use, and added value is very low.And traditional recovery system, adopt air distillation, the naked light heating, heat-up rate is too fast, can't reclaim the lower boiling composition that contains in the waste lubricating oil, as lightweight chemical industry oil, the main component of lightweight chemical industry washing oil is a butane, about 30 ℃ of boiling points, if temperature is too high, lightweight chemical industry washing oil is difficult to condensation, easily become vaporized state, be difficult to reclaim,, cause environmental pollution and energy dissipation so all be usually with it burn processing.
The tradition oil refining process all is could improve yield under the Pintsch process condition, but quality product is relatively poor, and can produce a large amount of residues after the cracking, and loss is very big, and causes secondary pollution.And simple air distillation, can not remove undesirable substances such as a certain amount of chemical additive of containing in the waste lubricating oil, metallic dust fully, when the coking cracking, these materials very easily produce deleterious chemical reaction with lubricating oil, produce the bigger undesirable substance of oil quality influence.
The utility model content
The utility model provides a kind of system that is used for the waste oil reclaiming, it is good that this reclaiming system can reclaim the acquisition color and luster categorizedly, the lubricating oil fraction that purity is high, and this lubricated distillate can be anti-oxidant, do not contain impurity such as chemical additive, metallic dust, can substitute lubricating base oils fully.
In order to achieve the above object, the utility model provides a kind of system that is used for the waste oil reclaiming, and this reclaiming system comprises:
Pretreatment system, described pretreatment system comprises filtration unit, and the stirring tank that is communicated with filtration unit reaches the filtering equipment that is communicated with by pipeline with stirring tank;
The air distillation system, described air distillation system comprises: the air distillation still with the filtering equipment outlet is communicated with is arranged on the atmospheric condenser on the air distillation still, and is arranged on the temporary jar of lower boiling fraction oil of atmospheric condenser below; Described air distillation system also comprises the after-condenser that is arranged on the atmospheric condenser top, this after-condenser is communicated with by pipeline for temporary jar with atmospheric condenser and lower boiling fraction oil respectively, make from the uncooled lower boiling oil component condensation once more of atmospheric condenser effusion, and collect temporary jar of lower boiling fraction oil.
Also be provided with spark arrester on the described after-condenser, refund system's generation security incident to prevent naked light.
Also be provided with the pipeline visor between described atmospheric condenser and the temporary jar of lower boiling fraction oil,, conveniently control so that observe the discharging situation.
The system of described reclaiming also comprises decompression distillation system, described decompression distillation system comprises: the underpressure distillation still that is communicated with by pipeline with the air distillation still, be arranged on the decompression condenser of underpressure distillation still top, the vacuum pump that is connected with the decompression condenser, be arranged on the temporary jar of fraction oil of condenser below, and with the temporary tank connected pressure pump of fraction oil, will reduce pressure by this pressure pump, the material of condensation is pressed in the temporary jar of fraction oil in the prolong.
Also be provided with the fused salt boiler tube in the described underpressure distillation still, the liquid fused salt of heat fused circulates in the fused salt coil pipe lubricating oil in the underpressure distillation still is carried out indirect heating, and is safe and effective.
Described decompression distillation system also comprises the pipeline visor, and this pipeline visor is arranged between decompression condenser and the liquid seal can, so that observe the discharging situation, conveniently controls.
Described decompression distillation system also includes the branch flow container, this minute flow container be arranged between vacuum pump and the decompression prolong, play the effect of buffer protection vacuum pump, the gaseous state fraction that does not reach condensation in the condenser of avoiding reducing pressure directly is drawn in the vacuum pump.
Described underpressure distillation still adopts molten salt furnace to carry out indirect heating, safe and reliable, fused salt applies to waste oil treatment and oil refining industry as thermophore, break through traditional thermal oil and made the temperature limitation of thermophore, can reach with other thermal barrier waste oil that is beyond one's reach and reclaim required distillation temperature, overcome the shortcoming that traditional waste oil treatment can't all distill lubricating oil fraction.
The utility model adopts still formula decompression distillation system in conjunction with the air distillation system, stock oil is all distilled out before cracking temperature, thereby having overcome traditional technology direct heating temperature rises too fast too high and the scission reaction that produces can extract the active principle of lubricating oil again fully; Thereby improve the oxidation-resistance of product, reduce product colourity, continued all characteristics of former lubricating oil, quality product can reach national lubrication base oil standard fully.
The system that is used for the waste oil reclaiming that the utility model provides at first carries out pre-treatment by pretreatment system to waste oil, removes undesirable substances such as chemical additive in the waste oil, metallic dust; Remove moisture by the air distillation system then and reclaim lower boiling fraction oil, progressively heat up by decompression distillation system at last, obtain the fraction oil in each stage respectively.Reclaiming of the present utility model system has effectively guaranteed the oil quality of regeneration fraction oil, and residual oil reaches the heavy oil national standard fully because of undesirable substances such as no chemical additive, metallic dusts at the bottom of the still, and powerlessness is wasted, and non-secondary pollution.
Description of drawings
Fig. 1 is the structural representation that is used for the system of waste oil reclaiming of the present utility model.
Embodiment
Below in conjunction with embodiment the technical scheme of this explanation is described further.
The system that is used for the waste oil reclaiming that the utility model provides comprises:
Pretreatment system, described pretreatment system comprises filtration unit, and the stirring tank that is communicated with filtration unit reaches the filtering equipment that is communicated with by pipeline with stirring tank; The utility model adopts plate and frame(type)filter press to carry out press filtration; Pending lubricating oil with after sorbent material fully contacts stirring, stops to stir in stirring tank, pumps into filtering equipment, obtains clarifying lubricating oil;
The air distillation system, as shown in Figure 1, described air distillation system comprises: the air distillation still 21 with the filtering equipment outlet is communicated with is arranged on the atmospheric condenser 22 on the air distillation still 21, and is arranged on the temporary jar 23 of lower boiling fraction oil of atmospheric condenser 22 belows; Also be provided with after-condenser 24 on the described atmospheric condenser 22, this after-condenser 24 is also kept in jar 23 with lower boiling fraction oil and is communicated with, and further condensation atmospheric condenser 22 does not reach the light constituent gaseous phase materials of condensation, and is collected in the temporary jar 23 of lower boiling fraction oil; Described after-condenser 24 tops also are provided with spark arrester 25, prevent that naked light from refunding system.Temporary jar 23 tops of described lower boiling fraction oil also are equipped with pipeline visor 27, in order to observe the discharging situation.
Decompression distillation system, as shown in Figure 1, described decompression distillation system comprises: the underpressure distillation still 31 that is communicated with by pipeline with air distillation still 21, be arranged on the decompression condenser 32 of underpressure distillation still 31 tops, the vacuum pump 34 that is connected with decompression condenser 32, be arranged on temporary jar 33 of the fraction oil of decompression condenser 32 belows, and with temporary jar 33 pressure pumps that are connected 39 of fraction oil, be pressed into by this pressure pump 39 material of condensation that will reduce pressure in the prolong 32 that fraction is oily keeps in the jar 33.Described underpressure distillation still 31 inside also are provided with molten salt furnace coil pipe 36, fill the fused salt of fusing in this coil pipe 36, described molten salt furnace is arranged on 20～30 meters of underpressure distillation still, and fused salt is heated to 160 ℃ with calrod earlier, liquid state, recirculation enters heat carrier furnace heating, recycles.
(0.09MPa), promptly system pressure is far below under the atmospheric state, and externally there is strong suction in system, and material needs certain external force just can come out under vacuum state in system.So fraction oil is kept in jar 33 and also is connected with pressure pump 39, by this pressure pump 39 decompression distillation system is cut apart good fraction and collect in the temporary jar 33 of corresponding fraction oil.Also be provided with pipeline visor 37 between described decompression condenser 32 and the temporary jar 33 of fraction oil, conveniently observe and control the collection of material.
So that to reclaim waste lubricating oil be example reclaiming of the present utility model system is described further: at first, will be from the waste lubricating oil 20 of field of machining, 000kg tentatively filters, waste lubricating oil after will filtering then joins in the stirring tank, be heated to 60 ℃～70 ℃, the gac that adds 100kg then is as sorbent material, after stirring the impurity for the treatment of in 30 minutes in the waste lubricating oil and fully being adsorbed by gac, filter by plate and frame(type)filter press, remove the metal-powder in the waste lubricating oil, dust, objectionable impuritiess such as carbon residue, at this moment, the lubricating oil after the processing is limpid transparent.
Then, lubricating oil after the above-mentioned processing is joined in the air distillation still 21 by fresh feed pump, progressively be warming up to about 200 ℃, remove moisture fully, and with a spot of lightweight chemical industry washing oil in the waste lubricating oil steam, by atmospheric condenser 22 condensations, adopt the chemical industry lightweight oil to collect for temporary jar 23 and obtain 800kg lightweight chemical industry washing oil.The normal pressure condensation and gather in the chemical industry lightweight oil process a small amount of gaseous state chemical industry lightweight oil will through after-condenser 24 once more condensation collect in temporary jar 23 of the chemical industry lightweight oil, also be provided with spark arrester 25 on this after-condenser 24, refund system to prevent naked light.
Because in waste lubricating oil, often contain a certain amount of lightweight chemical industry washing oil, traditional tower refining technique can't reclaim these lightweight chemical industry oil, and the technical solution of the utility model also adopted air distillation before distillation, can fully these components be reclaimed, and regeneration.
The remaining lubricating oil that does not steam utilizes the suction of decompression distillation system directly to be drawn into the underpressure distillation still 31 by pipeline at the bottom of still in the air distillation still 21, keep vacuum tightness about-0.09MPa, be provided with the molten salt furnace coil pipe 36 that fills fused salt in the described underpressure distillation still 31, underpressure distillation still 31 is by the fused salt indirect heating, progressively heat up, distillation before 280 ℃, condensation is also collected the 15# lubricating oil fraction by pressure pump with fraction and is kept in the jar, meter 6000kg, then, distillation between 280 ℃～360 ℃, condensation is also collected 32# lubricating oil fraction meter 10000kg in temporary jar of 32# lubricating oil fraction; Distilling out 46# lubricating oil fraction 2000kg more than 360 ℃ in temporary jar of 46# lubricating oil fraction; The small amount of residual thing can be done the use of 180# heavy oil at the bottom of the still, and meter 800kg is collected in the heavy oil tank 331.
Solid impurity is removed by filtering pre-treatment by the system that is used for the waste oil reclaiming of the present utility model, and air distillation is removed moisture and reclaimed lightweight chemical industry washing oil, reclaims the each several part fraction stage by stage through underpressure distillation again; All reach industry standard and reclaim each fraction that obtains, can replace lubricating base oils to use fully.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (8)
1. a system that is used for the waste oil reclaiming is characterized in that, this reclaiming system comprises:
Pretreatment system, described pretreatment system comprises filtration unit, and the stirring tank that is communicated with filtration unit reaches the filtering equipment that is communicated with by pipeline with stirring tank;
The air distillation system, described air distillation system comprises: the air distillation still (21) that is communicated with the filtering equipment outlet, be arranged on the atmospheric condenser (22) on the air distillation still (21), be arranged on the after-condenser (24) of atmospheric condenser (22) top, and be arranged on the lower boiling fraction oil temporary jar (23) of atmospheric condenser (22) below.
2. the system that is used for the waste oil reclaiming as claimed in claim 1 is characterized in that, described after-condenser (24) is communicated with by pipeline with atmospheric condenser (22) and lower boiling fraction oil temporary jar (23) respectively.
3. the system that is used for the waste oil reclaiming as claimed in claim 2 is characterized in that, also is provided with spark arrester (25) on the described after-condenser (24).
4. the system that is used for the waste oil reclaiming as claimed in claim 1 is characterized in that, also is provided with pipeline visor (27) between described atmospheric condenser (22) and the lower boiling fraction oil temporary jar (23).
5. the system that is used for the waste oil reclaiming as claimed in claim 1, it is characterized in that, described reclaiming system also comprises decompression distillation system, described decompression distillation system comprises: the underpressure distillation still (31) that is communicated with by pipeline with air distillation still (21), be arranged on the decompression condenser (32) of underpressure distillation still (31) top, the vacuum pump (34) that is connected with decompression condenser (32), be arranged on the fraction oil temporary jar (33) of condenser (32) below, and the pressure pump (39) that is connected with fraction oil temporary jar (33).
6. the system that is used for the waste oil reclaiming as claimed in claim 5 is characterized in that, also is provided with fused salt boiler tube (36) in the described underpressure distillation still (31).
7. the system that is used for the waste oil reclaiming as claimed in claim 5 is characterized in that, described decompression distillation system also comprises pipeline visor (37), and this pipeline visor (37) is arranged between decompression condenser (32) and the fraction oil temporary jar (33).
8. the system that is used for the waste oil reclaiming as claimed in claim 5 is characterized in that, described decompression distillation system also includes branch flow container (38), and this minute flow container (38) is arranged between vacuum pump (34) and the decompression prolong (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201645345U CN201665675U (en) | 2010-04-20 | 2010-04-20 | System for recovering and regenerating the waste oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201645345U CN201665675U (en) | 2010-04-20 | 2010-04-20 | System for recovering and regenerating the waste oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201665675U true CN201665675U (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201645345U Expired - Fee Related CN201665675U (en) | 2010-04-20 | 2010-04-20 | System for recovering and regenerating the waste oil |
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| CN (1) | CN201665675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643711A (en) * | 2012-05-12 | 2012-08-22 | 辽宁留德润滑油有限公司 | Waste lubricating oil reclaimation combined distilling apparatus |
| CN103045298A (en) * | 2012-12-27 | 2013-04-17 | 宜昌升华新能源科技有限公司 | System for recovering cracking fraction fuel in waste oil |
-
2010
- 2010-04-20 CN CN2010201645345U patent/CN201665675U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643711A (en) * | 2012-05-12 | 2012-08-22 | 辽宁留德润滑油有限公司 | Waste lubricating oil reclaimation combined distilling apparatus |
| CN102643711B (en) * | 2012-05-12 | 2013-10-23 | 辽宁留德润滑油有限公司 | Waste lubricating oil reclaimation combined distilling apparatus |
| CN103045298A (en) * | 2012-12-27 | 2013-04-17 | 宜昌升华新能源科技有限公司 | System for recovering cracking fraction fuel in waste oil |
| CN103045298B (en) * | 2012-12-27 | 2016-03-16 | 宜昌升华新能源科技有限公司 | A kind of system reclaiming cracking cut fuel oil for waste oil |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20170420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |