CN207384884U - A kind of environment-protecting clean device of solvent recovery - Google Patents
A kind of environment-protecting clean device of solvent recovery Download PDFInfo
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- CN207384884U CN207384884U CN201721422568.8U CN201721422568U CN207384884U CN 207384884 U CN207384884 U CN 207384884U CN 201721422568 U CN201721422568 U CN 201721422568U CN 207384884 U CN207384884 U CN 207384884U
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Abstract
The utility model is related to a kind of environment-protecting clean devices of solvent recovery, first pretreatment unit is equipped with intermediate buffer tank, second pretreatment unit is equipped with the first receiving tank, and the first receiving tank of the second pretreatment unit connects the intermediate buffer tank of the first pretreatment unit through the first transfering material pump；Pressurizing and dehydrating unit is equipped with pressurizing tower, gas-liquid separation tower, pressurizing tower of the intermediate buffer tank of the first pretreatment unit through the second transfering material pump connection pressurizing and dehydrating unit；Refined unit is equipped with adsorption tower, adsorption tower of the pressurizing tower of pressurizing and dehydrating unit through gas-liquid separation tower connection refined unit.The utility model can recycle the solvent slop containing different component, component mixing need not be carried out, reduces the cross contamination between component, reduces the recovery difficult of solvent, alleviate environmental pollution, meanwhile recycling design can be recycled, and realize resource regeneration, reduce solvent consumption, production cost is reduced, reduces the liquid dangerous waste amount of sending outside, reduces environmental protection treatment expense.
Description
Technical field
The utility model is related to a kind of environment-protecting clean devices of solvent recovery, belong to solvent recovery technical field.
Background technology
At present, pharmaceutical factory uses solvent in drug extraction process, and solvent is usually water, alcohol, tetrahydrofuran or other
Low-boiling point liquid.Since many solvents have larger toxicity, being discharged into environment can pollute, and threaten human health, go out simultaneously
In the available consideration of cycle, it is necessary to be recycled to solvent.In practice, the same used solvent slop ingredient in pharmaceutical factory is different,
If any workshop section can generate containing the tetrahydrofuran solution containing vinylbenzene, some workshop sections can generate the tetrahydrofuran solution containing methanol,
Traditional recovery method is recycled after the solvent slop that different workshop sections generate is mixed, and the friendship between component is caused after mixing
Fork pollution adds the recovery difficult of solvent.
Utility model content
The utility model, can in view of the deficienciess of the prior art, provide a kind of environment-protecting clean device of solvent recovery
Solvent slop containing different component is recycled, without carrying out component mixing, the cross contamination between component is reduced, reduces solvent
Recovery difficult.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of environment-protecting clean device of solvent recovery,
Described device includes the first pretreatment unit, the second pretreatment unit, pressurizing and dehydrating unit, refined unit；Described first pre- place
It manages unit and is equipped with intermediate buffer tank, second pretreatment unit is equipped with the first receiving tank, and the first of the second pretreatment unit connects
Closed cans connects the intermediate buffer tank of the first pretreatment unit through the first transfering material pump；The pressurizing and dehydrating unit is equipped with pressurizing tower, gas
Liquid knockout tower, pressurizing tower of the intermediate buffer tank of the first pretreatment unit through the second transfering material pump connection pressurizing and dehydrating unit；It is described
Refined unit is equipped with adsorption tower, adsorption tower of the pressurizing tower of pressurizing and dehydrating unit through gas-liquid separation tower connection refined unit.
A kind of environment-protecting clean device of solvent recovery as described above, first pretreatment unit further include the first raw material
Surge tank, pretreater, the first reboiler, the first condenser, the first return tank, tower top cooler, tower reactor cooler, coalescence point
Phase device；The first raw material surge tank is connected through the first feedstock pump in the middle part of the pretreater；At the top of the pretreater
First condenser inlet is connected, pretreater bottom connects first reboiler；First reboiler is through the first tower
Kettle extraction pump connects the tower reactor cooler；First condensator outlet connects first return tank；First reflux
Tank connects the pretreater through the first reflux blowback, and the first return tank connects the intermediate buffer tank through the first reflux pump, and first
Return tank is connected with the first tail gas gathering device；The tower top cooler is connected to the intermediate buffer tank and the pretreatment tower top
Portion；The tower reactor cooler connects the coalescence phase-splitter；The coalescence phase-splitter connection oil phase surge tank and water phase surge tank.
A kind of environment-protecting clean device of solvent recovery as described above, the coalescence phase-splitter are connected with batch fractionating list
Member, the batch fractionating unit include batch fractionating tower, interval condenser, intermittent cooling device, batch fractionating kettle；The interval essence
It evaporates tower and connects the coalescence phase-splitter；The interval condenser is connected to the batch fractionating top of tower；The intermittent cooling device
It is connected to the batch fractionating tower middle and upper part；The batch fractionating kettle is arranged on the batch fractionating tower bottom.
A kind of environment-protecting clean device of solvent recovery as described above, second pretreatment unit further include the second raw material
Surge tank, extractant configuration kettle, the second condenser, the second receiving tank, extractive distillation column, the second reboiler, extraction and recovery tower, the
Three reboilers, the 3rd condenser；Under the second raw material surge tank is connected through the second feedstock pump in the extractive distillation column
Portion；The extractant configuration kettle connects the extractive distillation column, and extractant configuration kettle top portion connects second condenser inlet；
Second condensator outlet connects second receiving tank；Second receiving tank connects the extractant configuration kettle；It is described
Extracting rectifying tower bottom connects second reboiler, and extractive distillation column middle and upper part connects first receiving tank, extracting rectifying
Top of tower is connected with the second tail gas gathering device, and second tail gas gathering device connects vacuum buffer tank；The second reboiler warp
Second tower reactor extraction pump connects the extraction and recovery tower；3rd reboiler is connected to the extraction and recovery tower bottom；It is described
3rd condenser is connected to the extraction and recovery top of tower.
A kind of environment-protecting clean device of solvent recovery as described above, the pressurizing and dehydrating unit further include stabilizer configuration
Kettle, stabilizer measuring tank, the 4th condenser, the 4th reboiler, the 5th condenser, the second return tank；The stabilizer configures kettle
Top connects the 4th condenser, and stabilizer configuration bottom portion connects the stabilizer measuring tank；The stabilizer measuring tank
The pressurizing tower is connected through stabilizer metering pump；4th reboiler is connected to the pressurization tower bottom；5th condensation
Device is connected at the top of the pressurizing tower；The second return tank entrance connects the 5th condensator outlet, the outlet of the second return tank
The pressurizing tower is connected through the second reflux pump, the 3rd tail gas gathering device is connected at the top of second return tank.
A kind of environment-protecting clean device of solvent recovery as described above, the refined unit further include product condenser, production
Product cooler, product testing tank, product surge tank；The product condenser connects the absorption tower bottom；The product cooling
Device is connected between the product condenser and product testing tank；The product testing tank connects the product surge tank.
A kind of environment-protecting clean device of solvent recovery as described above, the adsorption tower use adsorbing tower with molecular sieve, absorption
Top of tower is connected with nitrogen cooler, and absorption tower bottom is connected with nitrogen heater.
The utility model specifically includes following operating procedure：
Different material containing same solvent is quantitatively gone in kettle to be checked, the presence of sampling analysis peroxide, if inspection
It measures with the presence of peroxide, to kettle quantification to be checked input reducing agent reduction peroxide, determines in kettle to be checked without peroxide
It is closed respectively to go in raw material surge tank after compound；
By the first feedstock transportation in raw material surge tank to first processing units, the first reboiler is passed through to the first raw material
Heating vaporization is carried out, and passes through the first condenser and is condensed into liquid-phase collection in the first return tank, the condensation in the first return tank
A liquid part returns to pretreater as withdrawing fluid, and another part produces solvent crude product into after the cooling of tower top cooler
Between in surge tank, the material of pretreater tower reactor extraction is automatic into carrying out in coalescence phase-splitter after the cooling of tower reactor cooler
Split-phase obtains oil phase and water and mutually collects respectively in oil phase surge tank and water phase surge tank, wait save bit by bit it is a certain amount of after, between going to
Rectification cell of having a rest carries out solvent recovery；
By the second feedstock transportation in raw material surge tank to second processing unit, the second feedstock transportation to extraction tower will extract
The extractant of agent configuration kettle is taken to be delivered to extraction tower, is gasified to the material for falling into extraction tower tower reactor after the heating of the second reboiler,
And condensed by the second condenser, set suitable reflux ratio, produce solvent crude product and with first processing units intermediate buffer tank
Interior solvent crude product collects, and the composite extractant of extraction tower tower reactor extraction is transported to extractant recovery tower, extractant recovery tower
After the heating vaporization of the 3rd reboiler of composite extractant, recycled after being condensed by the 3rd condenser；
Solvent crude product is delivered to inside the pressurizing tower containing stabilizer, to the material of pressurizing tower tower reactor through the 4th reboiler
After heating vaporization, and pass through the 5th condenser and be condensed into liquid-phase collection in the second return tank, the condensate liquid in the second return tank,
A part returns to pressurization column overhead as withdrawing fluid, and another part is produced to raw material surge tank, is produced from pressurizing tower vapour phase
Solvent is collected after passing through product condenser, reactor product cooler in product testing tank after gas-liquid separation tower separates.
Further, in the environment-friendly clean process method of solvent recovery, Vaporizing cooling is heated to the material in oil phase surge tank
It produces successively afterwards, to being produced successively after the material heating Vaporizing cooling in water phase surge tank.
Further, carry out assay to the solvent product of product testing tank, during solvent product excess moisture, pass through absorption
Tower carries out adsorption dewatering, then again to product by being collected after product condenser, reactor product cooler in product tank to be checked, product
It after detection is qualified, is transferred in product surge tank, according to production needs, is transported in corresponding workshop.
The beneficial effects of the utility model are：Solvent slop containing different component can be recycled, without carrying out group
Divide mixing, reduce the cross contamination between component, reduce the recovery difficult of solvent, reduce liquid dangerous waste discharge capacity, alleviate environment
Pollution, meanwhile, recycling design can be recycled, and realize resource regeneration, reduce solvent consumption, reduces and is produced into
This, reduces the liquid dangerous waste amount of sending outside, reduces environmental protection treatment expense.
Description of the drawings
Fig. 1 is the first pretreatment unit of the utility model device structure diagram one；
Fig. 2 is the first pretreatment unit of the utility model device structure diagram two；
Fig. 3 is the second pretreatment unit of the utility model device structure diagram one；
Fig. 4 is the second pretreatment unit of the utility model device structure diagram two；
Fig. 5 is the utility model device pressurizing and dehydrating cellular construction schematic diagram；
Fig. 6 is the utility model device of refining unit structure diagram；
Fig. 7 is the utility model device batch fractionating cellular construction schematic diagram.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figures 1 to 6, the environment-protecting clean device of a kind of solvent recovery, device include the first pretreatment unit 1, the
Two pretreatment units 2, pressurizing and dehydrating unit 3, refined unit 4；First pretreatment unit 1 is equipped with intermediate buffer tank 101, and second is pre-
Processing unit 2 is equipped with the first receiving tank 210, and the first receiving tank 210 of the second pretreatment unit 2 connects first through the first transfering material pump
The intermediate buffer tank 101 of pretreatment unit 1；Pressurizing and dehydrating unit 3 is equipped with pressurizing tower 307, gas-liquid separation tower 308, the first pre- place
Manage pressurizing tower 307 of the intermediate buffer tank 101 of unit 1 through the second transfering material pump connection pressurizing and dehydrating unit 3；Refined unit 4 is equipped with
Adsorption tower 405, the pressurizing tower 307 of pressurizing and dehydrating unit 3 connect the adsorption tower 405 of refined unit 4 through gas-liquid separation tower 308.
Referring to Fig. 1, Fig. 2, the first pretreatment unit 1 further includes the first raw material surge tank 102, pretreater 103, first again
Boil device 104, the first condenser 105, the first return tank 106, tower top cooler 107, tower reactor cooler 108, coalescence phase-splitter
109；First raw material surge tank 102 pumps 103 middle part of connection pretreater through the first feedstock；103 top connection of pretreater
First condenser, 105 entrance, 103 bottom of pretreater connect the first reboiler 104；First reboiler 104 is adopted through the first tower reactor
Go out pump connection tower reactor cooler 108；The first return tank 106 of first condenser 105 outlet connection；First return tank 106 is through first
Reflux blowback connects pretreater 103, and the first return tank 106 connects intermediate buffer tank 101, the first return tank through the first reflux pump
106 are connected with the first tail gas gathering device；Tower top cooler 107 is connected between 103 top of surge tank 101 and pretreater；Tower
The connection coalescence phase-splitter 109 of kettle cooler 108, coalescence phase-splitter 109 connects oil phase surge tank 110 and water phase surge tank 111 divides
It Lian Jie not intermittent cooling device 503.
Referring to Fig. 7, coalescence phase-splitter 109 is connected with batch fractionating unit 5, and batch fractionating unit 5 includes batch fractionating tower
501st, interval condenser 502, intermittent cooling device 503, batch fractionating kettle 504；The connection coalescence phase-splitter 109 of batch fractionating tower 501；
Interval condenser 502 is connected to 501 top of batch fractionating tower；Intermittent cooling device 503 is connected to 501 middle and upper part of batch fractionating tower,
Batch fractionating kettle 504 is arranged on 501 bottom of batch fractionating tower.
Referring to Fig. 3, Fig. 4, the second pretreatment unit 2 further includes the second raw material surge tank 201, extractant configuration kettle 202, the
Two condensers 203, the second receiving tank 204, extractive distillation column 205, the second reboiler 206, extraction and recovery tower the 207, the 3rd boil again
Device 208, the 3rd condenser 209；Second raw material surge tank 201 pumps 205 middle and lower part of connection extractive distillation column through the second feedstock；
Extractant configuration kettle 202 connects extractive distillation column 205,202 top connection 203 entrance of the second condenser of extractant configuration kettle；The
The second receiving tank 204 of two condensers 203 outlet connection；Second receiving tank 204 connection extractant configuration kettle 202；Extractive distillation column
205 bottoms connect the second reboiler 206, and 205 middle and upper part of extractive distillation column connects the first receiving tank 210, and extractive distillation column 205 pushes up
Portion is connected with the second tail gas gathering device, the second tail gas gathering device connection vacuum buffer tank；Second reboiler 206 is adopted through the second tower reactor
Go out pump connection extraction and recovery tower 207；3rd reboiler 208 is connected to 207 bottom of extraction and recovery tower；3rd condenser 209 connects
At 207 top of extraction and recovery tower.
Referring to Fig. 5, pressurizing and dehydrating unit 3 further includes stabilizer configuration kettle 301, stabilizer measuring tank 302, the 4th condenser
303rd, the 4th reboiler 304, the 5th condenser 305, the second return tank 306；The 4th condensation of 301 top connection of stabilizer configuration kettle
Device 303, stabilizer configuration 301 bottom stable connection agent measuring tank 302 of kettle；Stabilizer measuring tank 302 connects through stabilizer metering pump
Connect pressurizing tower 307；4th reboiler 304 is connected to 307 bottom of pressurizing tower；5th condenser 305 connection pressurizing tower, 307 top；
Second return tank, 306 entrance connects the 5th condenser 305 and exports, and the second return tank 306 is exported to connect through the second reflux pump and pressurizeed
Tower 307,306 top of the second return tank are connected with the 3rd tail gas gathering device.
Referring to Fig. 6, refined unit 4 further includes product condenser 401, reactor product cooler 402, product testing tank 403, product
Surge tank 404；Product condenser 401 connects 405 bottom of adsorption tower；Reactor product cooler 402 connects product condenser 401 and product
Between detection tank；Product testing tank 403 connects product surge tank 404.
Adsorption tower 405 uses adsorbing tower with molecular sieve, and 405 top of adsorption tower is connected with nitrogen cooler, 405 bottom of adsorption tower
It is connected with nitrogen heater.
By taking the tetrahydrofuran solution containing vinylbenzene of pharmaceutical factory generation and the tetrahydrofuran solution containing methanol as an example, this dress is utilized
The recovery process method put is as follows：
Two kinds of different materials containing tetrahydrofuran need to first pass through the inspection of peroxide before solvent recovery workshop is transferred to
It surveys and handles.Concrete operations are as follows：Pending raw material quantitative is gone in kettle to be checked；The presence of sampling analysis peroxide,
If detecting with the presence of peroxide, reducing agent need to be put into kettle quantification to be checked, be uniformly mixed, for reducing peroxidating
Object.It determines after being free of peroxide in kettle to be checked, it is closed respectively to go in solvent recovery workshop raw material surge tank.
Raw material in the first raw material surge tank 102 is conveyed by feed pump, passes through the flow set on feeding line
The control of automatic control circuit stablizes the material for into charging, falling into tower reactor from 103 middle part of pretreater through the heating vaporization of the first reboiler 104
After rise to tower top, overhead vapours is all condensed into liquid-phase collection in the first return tank 106 through the first condenser 105, first
Condensate liquid in return tank 106 is conveyed through reflux pump, and a part returns to 103 tower top of pretreater as withdrawing fluid, rising
Steam and the liquid of reflux carry out hot, matter in pretreater 103 and transfer, and form stable concentration gradient and temperature gradient；Separately
A part is after the cooling of tower top cooler 107 in extraction to intermediate buffer tank 101.
The material of tower reactor extraction, which enters after the cooling of tower reactor cooler 108 in coalescence phase-splitter 109, to be automatically subjected to phase splitting,
Oil phase and water is obtained mutually to collect respectively in oil phase surge tank 504 and water phase surge tank 505, wait save bit by bit it is a certain amount of after, go to
Batch fractionating unit 5 carries out solvent recovery.
Batch fractionating unit 5 can handle the oil phase to get off from pretreatment unit and water phase, detailed step are as follows：
Material in oil phase surge tank 110 is conveyed by delivery pump, and material dosing enters in batch fractionating kettle 504, material
Through interval reboiler heating vaporization in kettle, and batch fractionating top of tower is risen to, the gas of rising is with the liquid of decline in tower
The transmission of heat and quality is carried out, and stable temperature gradient and concentration gradient are formed in tower.
Overhead vapours is condensed through interval condenser, and liquid is adjusted through reflux ratio distributor, controls tower top temperature, cold through tower top
But device 107 produces each fraction successively after cooling down：
Front-end volatiles are produced into front-end volatiles pans, are gone in raw material surge tank；
Diisopropylamine is produced into diisopropylamine pans, is produced outside battery limit (BL)；
Vinylbenzene is produced into vinylbenzene pans, is produced outside battery limit (BL)；
Styrene is produced to styrene pans, is produced outside battery limit (BL)；
Interim fraction is produced into interim fraction pans, is returned by high potential difference in rectifying still；
After the cooling of bottom of towe reboiling, safe blowing under nitrogen protection.
Material in water phase surge tank 111 is conveyed by delivery pump, and material dosing enters in batch fractionating kettle 504, material
Through reboiler heating vaporization in kettle, and batch fractionating top of tower is risen to, the gas of rising is carried out with the liquid declined in tower
The transmission of heat and quality, and stable temperature gradient and concentration gradient are formed in tower.
Overhead vapours is condensed through interval condenser, and liquid is adjusted through reflux ratio distributor, controls tower top temperature, cold through tower top
But device 107 produces each fraction successively after cooling down：
Front-end volatiles are produced into front-end volatiles pans, are gone in raw material surge tank；
After the cooling of bottom waste water, safe blowing under nitrogen protection.
Raw material from the second raw material surge tank 201 is conveyed through feed pump, passes through the flow automatic control set on feeding line
Circuit control is stablized from 207 middle and lower part of extraction and recovery tower to be fed；Extractant from extractant configuration kettle 202 is through extractant feed
Pump conveying is stablized from 207 middle and upper part of extraction and recovery tower by the flow automatic control circuit control set on feeding line and fed, fallen into
The gasification after the heating of the second reboiler 206 of the material of tower reactor rises to 207 tower top of extraction and recovery tower, by the second condenser 203
Condensation falls into tower top, and the liquid of reflux carries out heat with the steam risen in extraction and recovery tower 207, matter is transferred, and is formed stable dense
Spend gradient and temperature gradient；Suitable reflux ratio is set, produces tetrahydrofuran crude product；
The composite extractant of the aqueous and methanol of 205 tower reactor of extractive distillation column extraction is defeated through extraction and recovery tower tower reactor extraction pump
It send, is fed from extractant recovery tower middle part, fall into the composite extractant of tower reactor after the heating vaporization of the 3rd reboiler 208, vapour, liquid
Two-phase carries out heat in rectifying column, matter is transferred, and the steam for rising to tower top falls into tower top after the condensation of the 3rd condenser 209, if
Fixed suitable reflux ratio in extraction first alcohol and water to tower top pans, is produced by transfering material pump to methanol recovery device outside battery limit (BL)
Processing.
The extractant of recovery tower tower reactor extraction produces pump conveying through tower reactor, into extraction after extractant cooler cooling down
Agent configuration kettle 202 is taken to recycle.
A certain amount of extractant is added in configuration kettle, adds in quantitative salt, stir evenly by the configuration and decoloration of composite extractant
Afterwards, conveyed through extractant feed pump into extraction and recovery tower 207 and carry out extracting rectifying.Xun Huan repeatedly returns with coloured extractant
Vacuum distillation is carried out to configuration kettle, after the condensation of extractant condenser, is collected in extractant pans, configuration kettle is returned to and matches somebody with somebody
Put composite extractant.
The stabilizer configured in advance is temporarily stored in stabilizer measuring tank 302, from adding after stabilizer measures pump-metered
307 top of tower is pressed to enter；Material in intermediate buffer tank 101 is conveyed by feed pump, passes through the flow set on feeding line
After the control of automatic control circuit, from 307 middle part charging of pressurizing tower；The material for falling into 307 tower reactor of pressurizing tower is heated through the 4th reboiler 304
Tower top is risen to after vaporization, overhead vapours is all condensed into liquid-phase collection in the second return tank 306 through the 5th condenser 305,
Condensate liquid in second return tank 306 is conveyed through reflux pump, and a part returns to 307 tower top of pressurizing tower as withdrawing fluid, is risen
Steam and reflux liquid heat is carried out in the pressurizing tower 307, matter is transferred, form stable concentration gradient and temperature gradient；Separately
In part extraction to raw material surge tank.
It is cold into product after the tetrahydrofuran produced from 307 tower reactor vapour phase of pressurizing tower first passes through the separation of gas-liquid separation tower 308
It is collected after condenser 401 condenses, reactor product cooler 402 cools down in product testing tank 403, by assay tetrahydrofuran product
It after qualification, is transferred in product surge tank 404, according to production needs, is transported in corresponding workshop.It is adopted from 307 tower reactor of pressurizing tower
The tetrahydrofuran crude product gone out enters stabilizer configuration kettle, collects together the thick steaming recycling tetrahydrofuran product of a certain amount of rear progress, stabilizer
And high waste extraction barrelling.
It, can from the tetrahydrofuran steam of 308 overhead extraction of gas-liquid separation tower if expecting the tetrahydrofuran product of high-purity
Adsorption dewatering is carried out into adsorbing tower with molecular sieve, is then received after product condenser 401 condenses, reactor product cooler 402 cools down
Collection after assay tetrahydrofuran product qualification, is transferred in product surge tank 404, according to life in product testing tank 403
Production needs, and is transported in corresponding workshop..
Adsorbing tower with molecular sieve is two, the using and the reserved.After wherein a molecular sieve absorption reaches saturation, switch to spare
In adsorbing tower with molecular sieve, the adsorbing tower with molecular sieve of saturation is regenerated, after the completion of regeneration, as spare.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of environment-protecting clean device of solvent recovery, it is characterised in that：Described device includes the first pretreatment unit, second in advance
Processing unit, pressurizing and dehydrating unit, refined unit；First pretreatment unit is equipped with intermediate buffer tank, the described second pre- place
It manages unit and is equipped with the first receiving tank, the first receiving tank of the second pretreatment unit connects the first pretreatment unit through the first transfering material pump
Intermediate buffer tank；The pressurizing and dehydrating unit is equipped with pressurizing tower, gas-liquid separation tower, the intermediate buffer tank of the first pretreatment unit
Pressurizing tower through the second transfering material pump connection pressurizing and dehydrating unit；The refined unit is equipped with adsorption tower, and pressurizing and dehydrating unit adds
Press adsorption tower of the tower through gas-liquid separation tower connection refined unit.
2. a kind of environment-protecting clean device of solvent recovery according to claim 1, it is characterised in that：First pretreatment
Unit further includes the first raw material surge tank, pretreater, the first reboiler, the first condenser, the first return tank, tower top cooling
Device, tower reactor cooler, coalescence phase-splitter；The first raw material surge tank is connected through the first feedstock pump in the pretreater
Portion；First condenser inlet is connected at the top of the pretreater, pretreater bottom connects first reboiler；It is described
First reboiler produces pump through the first tower reactor and connects the tower reactor cooler；First condensator outlet connects described first time
Flow tank；First return tank connects the pretreater through the first reflux blowback, and the first return tank connects institute through the first reflux pump
Intermediate buffer tank is stated, the first return tank is connected with the first tail gas gathering device；The tower top cooler is connected to the intermediate buffering
At the top of tank and the pretreater；The tower reactor cooler connects the coalescence phase-splitter, the coalescence phase-splitter connection oil phase
Surge tank and water phase surge tank.
3. a kind of environment-protecting clean device of solvent recovery according to claim 2, it is characterised in that：The coalescence phase-splitter
Batch fractionating unit is connected with, the batch fractionating unit includes batch fractionating tower, interval condenser, intermittent cooling device, interval
Rectifying still；The batch fractionating tower connects the coalescence phase-splitter；The interval condenser is connected to the batch fractionating tower top
Portion；The intermittent cooling device is connected to the batch fractionating tower middle and upper part；The batch fractionating kettle is arranged on the batch fractionating
Tower bottom.
4. a kind of environment-protecting clean device of solvent recovery according to claim 1, it is characterised in that：Second pretreatment
Unit further includes the second raw material surge tank, extractant configuration kettle, the second condenser, the second receiving tank, extractive distillation column, second again
Boil device, extraction and recovery tower, the 3rd reboiler, the 3rd condenser；The second raw material surge tank is pumped through the second feedstock and connected
The extractive distillation column middle and lower part；The extractant configuration kettle connects the extractive distillation column, the portion's connection of extractant configuration kettle top
Second condenser inlet；Second condensator outlet connects second receiving tank；Second receiving tank connects institute
State extractant configuration kettle；The extracting rectifying tower bottom connects second reboiler, described in the connection of extractive distillation column middle and upper part
First receiving tank, extracting rectifying top of tower are connected with the second tail gas gathering device, and second tail gas gathering device connects vacuum buffer
Tank；Second reboiler produces pump through the second tower reactor and connects the extraction and recovery tower；3rd reboiler is connected to described
Extraction and recovery tower bottom；3rd condenser is connected to the extraction and recovery top of tower.
5. a kind of environment-protecting clean device of solvent recovery according to claim 1, it is characterised in that：The pressurizing and dehydrating list
Member further includes stabilizer configuration kettle, stabilizer measuring tank, the 4th condenser, the 4th reboiler, the 5th condenser, the second reflux
Tank；The stabilizer configuration kettle top portion connects the 4th condenser, and stabilizer configuration bottom portion connects the stabilizer metering
Tank；The stabilizer measuring tank connects the pressurizing tower through stabilizer metering pump；4th reboiler is connected to the pressurization
Tower bottom；5th condenser is connected at the top of the pressurizing tower；The second return tank entrance connects the 5th condenser
Outlet, the outlet of the second return tank connect the pressurizing tower through the second reflux pump, the 3rd tail are connected at the top of second return tank
Gas trap.
6. a kind of environment-protecting clean device of solvent recovery according to claim 1, it is characterised in that：The refined unit is also
Including product condenser, reactor product cooler, product testing tank, product surge tank；The product condenser connects the adsorption tower
Bottom；The reactor product cooler is connected between the product condenser and product testing tank；Described in the product testing tank connection
Product surge tank.
7. a kind of environment-protecting clean device of solvent recovery according to claim 1, it is characterised in that：The adsorption tower uses
Adsorbing tower with molecular sieve, adsorption tower top are connected with nitrogen cooler, and absorption tower bottom is connected with nitrogen heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721422568.8U CN207384884U (en) | 2017-10-30 | 2017-10-30 | A kind of environment-protecting clean device of solvent recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721422568.8U CN207384884U (en) | 2017-10-30 | 2017-10-30 | A kind of environment-protecting clean device of solvent recovery |
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| CN207384884U true CN207384884U (en) | 2018-05-22 |
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| CN201721422568.8U Withdrawn - After Issue CN207384884U (en) | 2017-10-30 | 2017-10-30 | A kind of environment-protecting clean device of solvent recovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998677A (en) * | 2017-10-30 | 2018-05-08 | 烟台国邦化工机械科技有限公司 | The environment-protecting clean device and process of a kind of solvent recovery |
| CN108926862A (en) * | 2018-09-29 | 2018-12-04 | 天津中福环保科技股份有限公司 | Light naphtha recyclable device, its skid structure and light naphtha recovery method in a kind of dangerous waste process field |
-
2017
- 2017-10-30 CN CN201721422568.8U patent/CN207384884U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998677A (en) * | 2017-10-30 | 2018-05-08 | 烟台国邦化工机械科技有限公司 | The environment-protecting clean device and process of a kind of solvent recovery |
| CN107998677B (en) * | 2017-10-30 | 2023-08-22 | 烟台国邦化工机械科技有限公司 | Environment-friendly cleaning device and process method for solvent recovery |
| CN108926862A (en) * | 2018-09-29 | 2018-12-04 | 天津中福环保科技股份有限公司 | Light naphtha recyclable device, its skid structure and light naphtha recovery method in a kind of dangerous waste process field |
| CN108926862B (en) * | 2018-09-29 | 2024-03-22 | 天津中福环保科技股份有限公司 | Light solvent recovery device in hazardous waste treatment field, skid-mounted structure thereof and light solvent recovery method |
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