CN205115394U - Categorised distillation plant of used oil - Google Patents

Categorised distillation plant of used oil Download PDF

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Publication number
CN205115394U
CN205115394U CN201520845784.8U CN201520845784U CN205115394U CN 205115394 U CN205115394 U CN 205115394U CN 201520845784 U CN201520845784 U CN 201520845784U CN 205115394 U CN205115394 U CN 205115394U
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China
Prior art keywords
fused salt
distilling apparatus
water distilling
salt
used oil
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Expired - Fee Related
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CN201520845784.8U
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Chinese (zh)
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廖莱
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Individual
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Individual
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Abstract

The utility model discloses a categorised distillation plant of used oil. Including the independent distillation plant of many covers, every set of distillation plant mainly comprises dehydration flash distillation cauldron, diesel oil stills, underpressure distillation tower that sets gradually and handle the used oil and the heat exchanger that sets up its below respectively, still include heat energy supply circulation system, this heat energy is supplied with circulation system and is included a fused salt heating furnace and locate the high temperature fused salt pump on the fused salt pipeline, and this fused salt heating furnace passes through pipeline to every distillation plant continuous cycle input high temperature fused salt. The utility model discloses provide the heat source to many sets of distillation plant by a fused salt heating furnace, even also can normally produce under the unstable condition of raw material supply to adjustable each heat exchanger temperature and fused salt temperature, the security performance is high, the steam that dehydration flash distillation cauldron dehydration process produced without the effect of cooling direct input diesel oil stills evaporating chamber upper end production partial pressure, reduces the diesel oil distillation temperature, avoids pyrolysis to influence the base oil quality, prevents the heat exchanger coking.

Description

Used oil classification water distilling apparatus
Technical field
The utility model relates to used oil classification water distilling apparatus, belongs to the technical field of used oil process.
Background technology
The practical technology of existing used oil process is the decompression production technique in petrochemical processing, its flow process is that used oil enters process furnace after the interchanger heat exchange in technique, enters vacuum distillation tower and isolate diesel oil, lubricant base, residual oil after process furnace heating.But because various used oil is mixed, isolated oil quality is unstable, and poor practicability, is worth low.And impurity is many in used oil, easily cause interchanger and boiler tube to block maintenance cost high, equipment use efficiency is low.
Utility model content
The purpose of this utility model is to provide used oil classification water distilling apparatus, and mainly solve existing used oil and be separated rear oil quality instability, poor practicability, is worth low problem.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Used oil classification water distilling apparatus, comprise and overlap independently water distilling apparatus more, often overlap water distilling apparatus by setting gradually and processing the dehydration flash vaporization kettle of used oil, diesel oil still kettle, vacuum still and the interchanger composition arranged respectively below it, the distillation plant of above three kinds of difference in functionalitys, isolate corresponding composition in used oil respectively, overlap independently water distilling apparatus according to conventional a few class used oil more, high-grade car used oil water distilling apparatus is set, general car used oil water distilling apparatus, all kinds of carrier vehicle used oil water distilling apparatus, other used oil water distilling apparatus etc., overlap independently water distilling apparatus more and provide high-temperature molten salt by a Salt heater, through corresponding transport pipe to each water distilling apparatus continuous circulation input high-temperature molten salt, for distil process process provides heat energy.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model provides thermal source by a Salt heater to many cover water distilling apparatus, even if also can normally produce when raw material supply instability, by controlling high-temperature molten salt input, regulate each heat exchange temperature, by Salt heater control temperature of molten salt, safety performance is high.
(2) water vapor of the utility model dehydration flash vaporization kettle dehydration generation, directly inputs diesel oil still kettle evaporator room upper end without cooling and produces dividing potential drop effect, reduce diesel oil distillation temperature, avoid Pintsch process to affect base oil quality, prevent heat exchanger coking.
(3) the utility model water distilling apparatus interchanger lower end is also provided with the Impurity deposition container of 1-2 cube in order to Impurity deposition in waste oil, and utility model is strong, is applicable to large-scale promotion and uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model-embodiment 1.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
A-Salt heater, the high-order fused salt tank of B-, C-low level fused salt tank, D-high-temperature melting salt pump, E-molten salt furnace fused salt input channel, F-molten salt furnace fused salt output channel, G-high-order fused salt tank output channel, H-device fused salt reflux line, I-water distilling apparatus fused salt service, J-heat exchanger fused salt output tube connecting tube, K-interchanger fused salt input tube, L-interchanger fused salt output tube, M-interchanger, O-valve;
1-dewaters flash vaporization kettle, 2-diesel oil still kettle, 3-vacuum still, 4-water vapour output tube, 5-diesel oil still kettle used oil input tube, 6-diesel oil distillate output tube, 7-vacuum still used oil input tube, 8-base oil fractions output tube, 9-residual oil output tube, 10-dehydration flash vaporization kettle used oil input tube;
A-high-grade car waste oil water distilling apparatus, b-general car waste oil water distilling apparatus, all kinds of carrier vehicle used oil of c-water distilling apparatus, other used oil water distilling apparatus of d-.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment 1
As shown in Figure 1, used oil classification water distilling apparatus, comprise and overlap independently water distilling apparatus more, often overlap water distilling apparatus by setting gradually and processing the dehydration flash vaporization kettle 1 of used oil, diesel oil still kettle 2, vacuum still 3 and the interchanger M arranged respectively below it form, the distillation plant of above three kinds of difference in functionalitys, isolate corresponding composition in used oil respectively, in the present embodiment, according to conventional a few class used oil, 4 cover water distilling apparatus are set, be respectively: high-grade car used oil water distilling apparatus a, general car used oil water distilling apparatus b, all kinds of carrier vehicle used oil water distilling apparatus c, other used oil water distilling apparatus d, 4 overlap independently water distilling apparatus provides high-temperature molten salt by a Salt heater A, through corresponding transport pipe to each water distilling apparatus continuous circulation input high-temperature molten salt, for distil process process provides heat energy.
In the present embodiment, 4 cover water distilling apparatus set gradually in same level, and the dehydration flash vaporization kettle 1 often in cover water distilling apparatus, diesel oil still kettle 2, vacuum still 3 from left to right set gradually, each dehydration flash vaporization kettle 1 is provided with dehydration flash vaporization kettle used oil input tube 10, each diesel oil still kettle 2 is provided with the diesel oil still kettle used oil input tube 5 connected with corresponding flash vaporization kettle 1 output terminal that dewaters, and each vacuum still 3 is provided with the vacuum still used oil input tube 7 connected with corresponding diesel oil still kettle 2 output terminal; The top of diesel oil still kettle 2 is also provided with diesel oil distillate output tube 6, the top of vacuum still 3 is also provided with base oil fractions output tube 8, the bottom of vacuum still 3 is also provided with residual oil output tube 9, and the lower end of each interchanger M is provided with the Impurity deposition container of 1-2 cube, in order to Impurity deposition in waste oil.
The top of dehydration flash vaporization kettle 1 is also provided with water vapour output tube 4, and this water vapour output tube 4 is communicated with the upper end of diesel oil still kettle 2.The water vapor that dehydration flash vaporization kettle 1 dehydration produces, directly inputs diesel oil still kettle evaporator room upper end without cooling and produces dividing potential drop effect.
In the present embodiment, fused salt transport pipe comprises the fused salt output channel F connected successively, high-order fused salt tank B, high-order fused salt tank output channel G, water distilling apparatus fused salt service I group, interchanger fused salt input tube K group, interchanger fused salt output tube L group, heat exchanger fused salt output tube connecting tube J group, fused salt reflux line H, low level fused salt tank C, molten salt furnace fused salt input channel E, and molten salt furnace fused salt input channel E is also provided with high-temperature melting salt pump D.
In foregoing description, owing to there being 4 cover water distilling apparatus, therefore corresponding water distilling apparatus fused salt service I, heat exchanger fused salt output tube connecting tube J have 4, form a water distilling apparatus fused salt service I group and a heat exchanger fused salt output tube connecting tube J group respectively; The interchanger fused salt input tube K, the interchanger fused salt output tube L that often overlap water distilling apparatus all have 3, and 3 form interchanger fused salt input tube K group, an interchanger fused salt output tube L group respectively.Therefore one group of water distilling apparatus fused salt service I, one group of heat exchanger fused salt output tube connecting tube J, four groups of interchanger fused salt input tube K, four groups of interchanger fused salt output tube L are had at the present embodiment.
Concrete annexation is:
Interchanger fused salt output tube L connects on the valve O of interchanger M outlet, each interchanger fused salt output tube in an interchanger fused salt output tube L group is connected with an interchanger fused salt output tube connecting tube J, every root interchanger fused salt output tube connecting tube J is connected with device fused salt reflux line H, device fused salt reflux line H connects low level fused salt tank C, low level fused salt tank C connects high-temperature melting salt pump D, and high-temperature melting salt pump D connects Salt heater A by molten salt furnace fused salt input channel E; Salt heater A connects high-order fused salt tank B by fused salt output channel F, high-order fused salt tank B connects high-order fused salt tank output channel G, high-order fused salt tank output channel G connects every root water distilling apparatus fused salt service I, every root interchanger fused salt input tube K in an interchanger fused salt input tube K group is connected on a water distilling apparatus fused salt service I, and interchanger fused salt input tube K is connected to the entrance of interchanger M.
One, the heating of still-process
Embodiment: fused salt is by the high-order fused salt tank B of input after Salt heater A heating, exported by high-order fused salt tank output channel G, through water distilling apparatus fused salt service I, respectively by interchanger fused salt input tube K input heat exchanger M, interchanger fused salt output tube L connects each interchanger fused salt output tube connecting tube J, interchanger fused salt output tube connecting tube J connects each device fused salt reflux line H and enters low level fused salt tank C, enters Salt heater A heat through high-temperature melting salt pump D by molten salt furnace fused salt input channel E.Controlled the input of high-temperature molten salt by the valve O on interchanger fused salt output tube L, regulate the temperature of still-process.
Two, used oil still-process
Embodiment: all kinds of used oil (a, b, c, d) input dehydration flash vaporization kettle 1 through dehydration flash tank used oil input tube 10 to heat, remove the moisture content in used oil, the water vapor that dehydration produces inputs in diesel oil still kettle 2 by water vapour output tube 4, used oil in dehydration flash vaporization kettle inputs in diesel oil still kettle 2 through diesel oil still kettle used oil input tube 5 and heats, distill out the diesel oil distillate in used oil, export through diesel oil distillate output tube 6, in diesel oil still kettle, used oil enters in vacuum still through vacuum still used oil input tube 7 and heats, fractionation by distillation goes out Reclaimed Base Oil and residual oil, exported by base oil fractions output tube 8 and export with residual oil output tube 9.
Embodiment 2
Used oil classification water distilling apparatus, as different from Example 1, the present embodiment utilizes height pressure difference to flow into corresponding distillation plant successively in order to the energy-conservation used oil of distillation that makes, distribution dehydration flash vaporization kettle 1, diesel oil distill Fu 2, vacuum still 3 to each cover water distilling apparatus successively from top to bottom, when distillation plant distributes up and down, high-order fused salt tank B is positioned at most significant end.Each pipeline mode of connection method of the present embodiment is consistent with embodiment 1.But the present embodiment is compared with embodiment 1, install more difficult, construction cost is high, and operating process does not have embodiment 1 convenience yet, not as best embodiment.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical problem; even if some making on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should in protection domain of the present utility model.

Claims (9)

1. used oil classification water distilling apparatus, it is characterized in that, comprise and overlap independently water distilling apparatus more, often overlap water distilling apparatus primarily of setting gradually and processing the dehydration flash vaporization kettle (1) of used oil, diesel oil still kettle (2), vacuum still (3) and the interchanger (M) arranged respectively below it forms; Also comprise the heat energy supply recycle system, the high-temperature melting salt pump (D) that this heat energy supply recycle system comprises a Salt heater (A) and is located on fused salt transport pipe, this Salt heater (A) inputs high-temperature molten salt by transport pipe to each water distilling apparatus continuous circulation.
2. used oil classification water distilling apparatus according to claim 1, it is characterized in that, described fused salt transport pipe comprises the molten salt furnace fused salt output channel (F), water distilling apparatus fused salt service (I) group, interchanger fused salt input tube (K) group, interchanger fused salt output tube (L) group, heat exchanger fused salt output tube connecting tube (J) group, the molten salt furnace fused salt input channel (E) that connect successively, and described high-temperature melting salt pump (D) is located on molten salt furnace fused salt input channel (E).
3. used oil classification water distilling apparatus according to claim 2, it is characterized in that, described every root water distilling apparatus fused salt service (I) is connected with fused salt output channel (F) respectively, every root interchanger fused salt input tube (K) in interchanger fused salt input tube (K) group is connected on a water distilling apparatus fused salt service (I), every root interchanger fused salt output tube (L) in interchanger fused salt output tube (L) group is all connected on heat exchanger fused salt output tube connecting tube (J), every root heat exchanger fused salt output tube connecting tube (J) is connected with molten salt furnace fused salt input channel (E) respectively.
4. used oil classification water distilling apparatus according to claim 3, is characterized in that, described each interchanger fused salt output tube (L) is also provided with valve (O).
5. used oil classification water distilling apparatus according to claim 4, it is characterized in that, the output end of described molten salt furnace fused salt output channel (F) is also provided with high-order fused salt tank (B), and this high-order fused salt tank (B) is provided with high-order fused salt tank output channel (G) for being connected with every root water distilling apparatus fused salt service (I).
6. used oil classification water distilling apparatus according to claim 5, it is characterized in that, the input terminus of described molten salt furnace fused salt input channel (E) is also provided with low level fused salt tank (C), and this low level fused salt tank (C) is provided with device fused salt reflux line (H) for being connected with every root heat exchanger fused salt output tube connecting tube (J).
7. the used oil classification water distilling apparatus according to claim 1-6 any one, it is characterized in that, the top of described dehydration flash vaporization kettle (1) is provided with water vapour output tube (4), and this water vapour output tube (4) is communicated with the upper end of diesel oil still kettle (2).
8. used oil classification water distilling apparatus according to claim 7, it is characterized in that, described each dehydration flash vaporization kettle (1) is provided with dehydration flash vaporization kettle used oil input tube (10), each diesel oil still kettle (2) is provided with diesel oil still kettle used oil input tube (5) connected with corresponding flash vaporization kettle (1) output terminal that dewaters, and each vacuum still (3) is provided with the vacuum still used oil input tube (7) connected with corresponding diesel oil still kettle (2) output terminal; The top of diesel oil still kettle (2) is also provided with diesel oil distillate output tube (6), the top of vacuum still (3) is also provided with base oil fractions output tube (8), and the bottom of vacuum still (3) is also provided with residual oil output tube (9).
9. used oil classification water distilling apparatus according to claim 8, it is characterized in that, described interchanger (M) lower end is provided with the Impurity deposition container of 1-2 cube.
CN201520845784.8U 2015-10-28 2015-10-28 Categorised distillation plant of used oil Expired - Fee Related CN205115394U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886629A (en) * 2018-09-07 2020-03-17 上海明华电力技术工程有限公司 System and method for realizing thermoelectric decoupling by using photo-thermal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886629A (en) * 2018-09-07 2020-03-17 上海明华电力技术工程有限公司 System and method for realizing thermoelectric decoupling by using photo-thermal

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Granted publication date: 20160330

Termination date: 20211028