CN110026142A - A kind of solvent separation unit and its application method - Google Patents
A kind of solvent separation unit and its application method Download PDFInfo
- Publication number
- CN110026142A CN110026142A CN201910393670.7A CN201910393670A CN110026142A CN 110026142 A CN110026142 A CN 110026142A CN 201910393670 A CN201910393670 A CN 201910393670A CN 110026142 A CN110026142 A CN 110026142A
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- cooling tube
- separation unit
- air
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- 239000002904 solvent Substances 0.000 title claims abstract description 125
- 238000000926 separation method Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000000945 filler Substances 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 46
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000008246 gaseous mixture Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 239000003570 air Substances 0.000 abstract 8
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000011344 liquid material Substances 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000012824 chemical production Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0006—Coils or serpentines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention relates to solvent separation fields, specifically a kind of solvent separation unit and its application method, the method that a kind of solvent separation unit disclosed in this invention uses is the solvent vapo(u)r cooling for carrying out vacuum pump conveying, enter packing layer in the mixed airflow through overcooled solvent and air, by the multilayer barrier of filler, the shock of mixed airflow and filler and the flowing in filler gap can condense in solvent on filler, by the collection of filler, solvent and air separation, no longer the air containing solvent or containing the less air of solvent reheated after the compressor preheating of subcooler return reaction kettle in the material in reaction kettle is heated, air is in reaction kettle, air compressor machine, circular flow in solvent separation unit, the filter that the circular flow of air reduces when air enters avoids introducing impurity, the present invention is suitble to be directed to Solid-liquid material or boiling point distinguish apparent liquid mixture material and carry out solvent separation.
Description
Technical field
The present invention relates to solvent separation fields, and in particular to a kind of solvent separation unit and its application method.
Background technique
Need to be concentrated the various materials of purification in chemical production process, wherein what is be commonly used in concentration process is extraction
Partition method is evaporated with solvent, the method that chemical industry equipment generally uses in evaporation process is decompression heating to reach solvent rapid steaming
Hair vaporizes isolated mode, but heating and solvent cooling concentration use different equipment in solvent evaporation process, cause excessive
Energy waste, and introduce air and may cause the pollution of raw material.
Summary of the invention
The present invention is to solve to be likely to occur the air pollution raw material of introducing and excessive when solvent separation in chemical production process
Energy separation process in larger energy waste problem, purpose rapid evaporation separate solvent while with the effect saved safely
Fruit reduces consumption.
To achieve the goals above, the technical scheme is that a kind of solvent separation unit, includes condenser and solvent
Shell separator, the condenser include casing, stem, helical blade, cooling tube and the compressor connecting with cooling tube, institute
The casing stated is the cylinder of both ends uncovered, is coaxially arranged in casing and is with the consistent stem of casing height, the stem
Cylindrical body, forms annulus between stem and casing, the inside for the annulus that stem is formed with casing is distinguished from bottom to top
It is provided with helical blade, cooling tube and filler, the interior edge of the helical blade is fixedly connected with the lateral surface of stem, helical-blade
The outer of piece is fixedly connected with casing medial surface；Cooling tube is provided with above helical blade, the cooling tube is that spiral is upward
Tube body, cooling tube internal flow coolant liquid, the outlet of cooling tube and entrance be fixed on sleeve side walls, cooling tube and casing and
There are gaps between stem；Stuffing frame is provided with above cooling tube, the stuffing frame is the taper type of both ends uncovered, stuffing frame
Base diameter be greater than top diameter, the bottom of stuffing frame is fixedly connected with internal surface of sleeve pipe；In annulus above stuffing frame
Filled with filler；Aqueduct is set on the sleeve side walls above stuffing frame, and the aqueduct is bending in the transparent of " C " font
Tube body, aqueduct upper end pass through sleeve side walls and are connected to the space of inside pipe casing, and aqueduct lower end and solvent separator shell connect
It is logical；Cannula tip outlet connection preheating coil pipe, the preheating coil pipe are thin metallic tubd, and preheating coil pipe spiral continuously twines upwards
It is around in around compressor, compressor is fixed on condenser overhead；Condenser is fixed on solvent separator housing tip, solvent separation
Device shell lower end is the hollow cylinder structure of bottom opening, upper end is open-topped hollow cone structure.
The height of above-mentioned helical blade accounts for 1/5th of casing height to one third, and cooling tube accounts for casing height
1/5th arrive one third, and packed height accounts for the one third of casing height to 3/5ths.
Thermal insulation layer is coated with outside above-mentioned compressor and preheating coil pipe, inside the thermal insulation layer fixed preheating coil pipe and
Compressor.
Gap between above-mentioned cooling tube and casing, stem is 2~5mm.
The screw pitch of above-mentioned helical blade is greater than the screw pitch of cooling tube, the direction of rotation of helical blade and the rotation of cooling tube
It is contrary.
Pressure valve is arranged in above-mentioned preheating coil pipe and casing joint.
Gas access, pressure gauge and blow valve are provided on above-mentioned solvent separator shell, the gas access is set
It sets in solvent separator housing central section, pressure gauge is fixed on the cylindrical outer side face of solvent separator shell, the emptying
Valve is located at solvent separator housing bottom, and casing gos deep into solvent separator enclosure interior, and opening is below gas access.
A kind of application method of the above-mentioned solvent separation unit of any one comprising the steps of:
A. blow valve is closed, the gas access of solvent separator shell is connected to the outlet of vacuum pump, preheating plate by pipeline
Pipe outlet is connected to the entrance of the air heater of reaction kettle, makes reaction kettle, vacuum pump, air heater and this solvent separation dress
The pipeline set and be connected to them forms an annular enclosed circuit.
B. the pressure value for adjusting pressure valve, successively starts reactor agitator, vacuum pump, the compressor of cooling tube, air
The switch of heater, equipment bring into operation.
C. preheating coil ends are provided with pressure valve, limit the intracorporal pressure of solvent separator shell, vacuum pump abstraction reaction
Mixed gas in kettle is to solvent separator enclosure interior, and as gas increases, pressure increases, and the intracorporal solvent of gaseous mixture starts
Condensation.
D. after the intracorporal mixture pressure of solvent separator shell reaches the pressure valve setting upper limit, vacuum pump continues to be pumped into
Mixed gas, the intracorporal air pressure of solvent separator shell pushes the intracorporal mixed gas uplink of script solvent separator shell, into spiral shell
Vane piece, it is upward by the lead screw of helical blade；Since helical blade is oppositely oriented with cooling tube, the punching of mixed gas front
It hits cooling tube and forms local turbulence disturbance.
E. mixed gas after cooling enters packing layer, and local turbulence is formed between filler, comes into full contact with filler, into
The condensation of one step.
F. the mixed gas after removing partial solvent enters preheating coil pipe by pressure valve, and mixed gas is in preheating coil pipe
Flowing, the heat for absorbing the compressor releasing of cooling tube are preheated, and gas heater heating is entered after preheating and starts reacting
Again lyosoption is aerated in kettle.
G. mixed gas repeats the step of above-mentioned C to F, the circular flow in the cyclic annular confined space of above equipment composition,
Solvent in reaction kettle is separated.
Extract the air in 10%~30% enclosure space in advance before operation to improve solvent separative efficiency.
The air in reaction kettle is excluded using inert gas before operation.
Through the above technical solutions, the invention has the benefit that
Helical-blade is arranged in a kind of solvent separator upper part of the housing setting condenser of solvent separation unit of the present invention, condenser inside
Piece, cooling tube and filler are up to the purpose of solvent separation in same set of equipment, and structure is simple, easy to operate.
A kind of gas of the condenser outflow of solvent separation unit of the present invention just enters air after preheating coil pipe and heats
Device takes full advantage of the heat of compressor of cooling tube, effectively energy-saving.
A kind of helical blade of solvent separation unit of the present invention and cooling tube are oppositely oriented, are formed under helical blade guidance
Spiral air flow can with frontal impact cooling tube, formed turbulent perturbation, come into full contact with cooling tube, reach the mesh of rapid cooling
's.
Pressure valve, guarantee pair is nearby arranged in a kind of preheating coil pipe of solvent separation unit of the present invention and condenser casing connection
Air in solvent separation unit carries out pressure operation, and gas is sucked out by negative pressure in reaction kettle, and solvent is in solvent separator shell
Interior condensation.
A kind of application method of solvent separation unit of the present invention does not introduce new air in entire confined space, will not be right
The material of production pollutes or other adverse effects.
A kind of application method of solvent separation unit of the present invention extracts in 10%~30% enclosure space in advance before operation
Air can preferentially guarantee the negative-pressure vacuum degree in reaction kettle, be conducive to the rapid evaporation of reaction kettle internal solvent, and because of decompression
The presence of valve, the available guarantee of the intracorporal pressure of solvent separator shell, it is ensured that the intracorporal air of solvent separator shell is still
Positive pressure promotes the condensation of solvent.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of solvent separation unit of the present invention；
Fig. 2 is the structural schematic diagram of helical blade and cold cooling tube in a kind of solvent separation unit of the present invention；
Fig. 3 is B-B direction cross-sectional view in Fig. 2；
Fig. 4 is the structural schematic diagram of cooling tube and filler in a kind of solvent separation unit of the present invention；
Fig. 5 be in Fig. 5 C-C to cross-sectional view；
Fig. 6 is a kind of flow chart of solvent separation unit application method of the present invention；
Fig. 7 is a kind of attachment device schematic diagram of solvent separation unit application method of the present invention.
Numbering in the drawing are as follows: 1 is blow valve, and 2 be solvent separator shell, and 3 be helical blade, and 4 be gas access, and 5 are
Casing, 6 be cooling tube, and 7 be stuffing frame, and 8 be filler, and 9 be stem, and 10 be pressure valve, and 11 be preheating coil pipe, and 12 be compressor,
13 be aqueduct, and 14 be pressure gauge, and 15 be vacuum pump, and 16 be reaction kettle, and 17 be air heater, and 18 be condenser, and 19 be cold
But pipe exports, and 20 be cooling tube inlet.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments:
Embodiment one
As shown in fig. 1~fig. 5, a kind of solvent separation unit includes condenser 18 and solvent separator shell 2, the condensation
Device 18 includes casing 5, stem 9, helical blade 3, cooling tube 6 and the compressor 12 connecting with cooling tube 6, and the casing 5 is
The cylinder of both ends uncovered, be coaxially arranged in casing 5 with the 5 consistent stem 9 of height of casing, the stem 9 is cylindrical body,
Annulus is formed between stem 9 and casing 5, the inside for the annulus that stem 9 is formed with casing 5 is respectively set from bottom to top
There are helical blade 3, cooling tube 6 and filler 8, the interior edge of the helical blade 3 is fixedly connected with the lateral surface of stem 9, spiral
The outer of blade 3 is fixedly connected with 5 medial surface of casing, and the space between stem and casing is divided into spiral upward by helical blade
Revolution space, for guide air carry vessel vapor rotation rise；Cooling tube 6 is provided with above helical blade 3, it is described
Cooling tube 6 is the upward tube body of spiral, and the outlet 19 of cooling tube 6 and entrance 20 are fixed on 5 side wall of casing, cooling tube 6 and set
There are gap between pipe 5 and stem 9, when use, continues to pour coolant liquid to cooling tube 6, when on air and solvent vapo(u)r spiral
It rises, encountering internal flow has the condensation that cools down after the cooling tube of coolant liquid；Stuffing frame 7, the filler are provided with above cooling tube 6
Frame 7 is the taper type of both ends uncovered, and the base diameter of stuffing frame 7 is greater than top diameter, the bottom of stuffing frame 7 and 5 inner wall of casing
It is fixedly connected；It is filled with filler 8 in the space that changes the outfit of 7 top of stuffing frame, filler 8 uses corrugated wire gauze packing, this filler
The advantages of be to be made of wire, pressure drop is low, and internal resistance is small, is porous structure in filler, the porous structure of filler 8 can make molten
Agent steam accelerates condensation effect when circulating in hole；Aqueduct 13 is set on 5 side wall of casing of 7 top of stuffing frame, described draws
Water pipe 13 is the transparent tube body that bending is in " C " font, and 13 upper end of aqueduct passes through the space inside 5 side wall of casing and casing 5 and connects
Logical, 13 lower end of aqueduct can be connected to solvent separator shell 2, and the solvent droplets condensed out are by stuffing frame support in filler
In the gap of frame 7 and casing 5, it is downwardly into solvent separator shell 2 by aqueduct 13；The connection of 5 top export of casing is pre-
Hot coil 11, the preheating coil pipe 11 are thin-wall copper pipe, and preheating coil pipe 11 is around in around the compressor 12 of cooling tube, cooling tube
Compressor 12 be fixed on condenser overhead；Condenser 18 is fixed on 2 top of solvent separator shell, solvent separator shell 2
Lower end is the hollow cylinder structure of bottom opening, upper end is open-topped hollow cone structure.
The height of above-mentioned helical blade 3 accounts for 1/5th of 5 height of casing to one third, and it is high that cooling tube 6 accounts for casing 5
/ 5th of degree arrive one third, and 8 height of filler accounts for the one third of 5 height of casing to 3/5ths.
Thermal insulation layer, fixed preheating plate inside the thermal insulation layer are coated with outside above-mentioned compressor 12 and preheating coil pipe 11
Pipe 11 and compressor 12, the preheating that preheating coil pipe 11 can make full use of compressor 12 to generate to carry out the air in pipe with it is pre-
Heat reduces the energy consumption of subsequent air heating.
Gap between above-mentioned cooling tube 6 and casing 5, stem 9 is 2~5mm, and slit can accelerate air velocity, have
Conducive to turbulent flow is formed, accelerate contact of the air-flow with cooling tube.
The screw pitch of above-mentioned helical blade 3 is greater than the screw pitch of cooling tube 6, direction of rotation and the cooling tube 6 of helical blade 3
Direction of rotation generates turbulent perturbation, air-flow on the contrary, the air-flow frontal impact cooling tube 6 that opposite rotation direction can make spiral upward
It is sufficiently contacted with cooling tube 6, fast cooling.
Pressure valve 10 is arranged in above-mentioned preheating coil pipe 11 and 5 joint of casing, and pressure valve 10 can be under setting pressure
Air-flow outflow is obstructed, guarantees to accelerate solvent condensation, in solvent by enough pressure in solvent separator shell 2 and condenser 18
Pressure in shell separator 2 and condenser 18 reaches after setting value as the subsequent air gone successively to starts gradually pressure release,
Ensure the pressure in solvent separator shell 2 and condenser 28 simultaneously, casing 5 gos deep into inside solvent separator shell 2, is open
In 4 lower section of gas access, increases gas flow circuits length, improve condensation efficiency.
Gas access 4, pressure gauge 14 and blow valve 1 are provided on above-mentioned solvent separator shell 2, the gas enters
4 setting of mouth is fixed on the cylindrical outer side face of solvent separator shell 2 in 2 middle part of solvent separator shell, pressure gauge 14, institute
The blow valve 1 stated is located at 2 bottom of solvent separator shell, and for the tool of blow valve 1 there are two effect, one is in due course emptying solvent separation
The solvent condensed out in device, another effect is pressure release after a shutdown；The effect of pressure gauge 14 is the normal of detection pressure valve
Work.
Above-mentioned compressor is compressed using the JT170G-K1YE type frequency conversion of Shanghai City Wang Quan refrigerating equipment corporation, Ltd production
Machine, pressure are calculated as the ALKC600 precise digital display instrument pressure gauge of Ai Leike measuring and controlling equipment (Huaian) Co., Ltd production, and pressure valve is
Match 42542803 type Ingersoll-rand minimum pressure valves of Deville air compressor machine Co., Ltd production in Chengdu.
Embodiment two
As shown in FIG. 1 to FIG. 7, a kind of application method of solvent separation unit described in embodiment one comprising the steps of:
A. blow valve is closed, the gas access 4 of solvent separator shell 2 is connected to the outlet of vacuum pump 15 by pipeline, in advance
Hot coil 11 exports the entrance for being connected to the air heater 17 of reaction kettle 16, makes reaction kettle 16, vacuum pump 15, air heater
17 form an annular enclosed space with this solvent separation unit and the pipeline for being connected to them.
B. the pressure value for adjusting pressure valve 10, successively starts the compressor of 16 blender of reaction kettle, vacuum pump 15, cooling tube
12, the switch of air heater 17, equipment bring into operation.
C. preheating 11 end of coil pipe is provided with pressure valve 10, limits the pressure in solvent separator shell 2, and vacuum pump 15 is taken out
It takes inside the mixed gas to solvent separator shell 2 in reaction kettle, as gas increases, pressure increases, and gaseous mixture is intracorporal
Solvent starts to condense.
D. the mixture pressure in solvent separator shell 2 reach pressure valve 10 set the upper limit after, vacuum pump 15 after
Continuous to be pumped into mixed gas, the air pressure in solvent separator shell 2 pushes in the mixed gas in script solvent separator shell 2
Row, into helical blade 3, the lead screw by helical blade 3 is upward；Since helical blade 3 and cooling tube 6 are oppositely oriented,
Mixed gas frontal impact cooling tube 6 simultaneously forms local turbulence disturbance.
E. mixed gas after cooling enters packing layer, forms local turbulence between filler 8, comes into full contact with filler 8,
Further condensation.
F. the mixed gas after removing partial solvent enters preheating coil pipe 11 by pressure valve 10, and mixed gas is in preheating plate
Flowing in pipe 11, the heat for absorbing the compressor releasing of cooling tube 6 are preheated, and the heating of gas heater 17 is entered after preheating and is opened
Beginning is aerated lyosoption in reaction kettle 16 again.
G. the step of mixed gas repeats above-mentioned three to six recycles fortune in the cyclic annular confined space of above equipment composition
Row, the solvent in reaction kettle 16 is separated.
Extract the air in 10%~30% enclosure space in advance before operation to improve solvent separative efficiency.
(such as helium) inert gas is used to exclude the air in reaction kettle 16 before operation, for inflammable and explosive molten
What agent or solute easily reacted with components certain in air, (such as helium) inert gas can be used and exclude air.
The application method of above-mentioned solvent separation unit is arranged the air in reaction kettle using inert gas before operation
It removes.
Above-mentioned reaction kettle 16 be new Cathay (Zhaoqing) chemical machinery Manufacturing Co., Ltd production F type W.N flange formula not
Become rusty steel reaction kettle, and vacuum pump 15 is the 2BE3 water-ring vacuum pump of Hangzhou Fei Yao vacuum equipment Co., Ltd manufacture, air heating
Device is the TY-401 type air hose heater of Jiangsu Tong Ya electric heating Science and Technology Ltd. production.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention, which only lists, to be compared
A kind of common embodiment, can without prejudice in spirit, that is, the open scope of the invention the present invention is not limited to above-described embodiment
To carry out various deformation to technical solution of the present invention.
Claims (10)
1. a kind of solvent separation unit includes condenser (18) and solvent separator shell (2), it is characterised in that: described is cold
Condenser (18) includes casing (5), stem (9), helical blade (3), cooling tube (6) and the compressor connecting with cooling tube (6)
(12), the casing (5) is the cylinder of both ends uncovered, is coaxially arranged in casing (5) and the consistent core of casing (5) height
Column (9), the stem (9) are cylindrical body, form annulus between stem (9) and casing (5), stem (9) and casing (5)
The inside of the annulus of formation is respectively arranged with helical blade (3), cooling tube (6) and filler (8), the spiral shell from bottom to top
The interior edge of vane piece (3) is fixedly connected with the lateral surface of stem (9), and outer and casing (5) medial surface of helical blade (3) are fixed
Connection；It is provided with cooling tube (6) above helical blade (3), the cooling tube (6) is the upward tube body of spiral, cooling tube (6)
Internal flow coolant liquid, the outlet (19) of cooling tube (6) and entrance (20) are fixed on casing (5) side wall, cooling tube (6) and set
There are gaps between pipe (5) and stem (9)；It is provided with stuffing frame (7) above cooling tube (6), the stuffing frame (7) is both ends
The base diameter of the taper type of uncovered, stuffing frame (7) is greater than top diameter, and bottom and casing (5) inner wall of stuffing frame (7) are fixed
Connection；Filler (8) are filled in annulus above stuffing frame (7)；It is arranged on casing (5) side wall above stuffing frame (7)
Aqueduct (13), the aqueduct (13) are the transparent tube body that bending is in " C " font, and aqueduct (13) upper end passes through casing
(5) the side wall space internal with casing (5) is connected to, and aqueduct (13) lower end is connected to solvent separator shell (2)；Casing (5)
Top export connection preheating coil pipe (11), the preheating coil pipe (11) are thin metallic tubd, and preheating coil pipe (11) spiral is upward
For continuous winding around compressor (12), compressor (12) is fixed on condenser overhead；Condenser (18) is fixed on solvent separation
Device shell (2) top, solvent separator shell (2) lower end is the hollow cylinder structure of bottom opening, upper end is top opening
Hollow cone structure.
2. a kind of solvent separation unit according to claim 1, which is characterized in that the height of the helical blade (3)
1/5th of casing (5) height being accounted for one third, cooling tube (6) accounts for 1/5th of casing (5) height to one third,
Filler (8) highly accounts for the one third of casing (5) height to 3/5ths.
3. a kind of solvent separation unit according to claim 1, which is characterized in that the compressor (12) and preheating plate
Thermal insulation layer, fixed preheating coil pipe (11) and compressor (12) inside the thermal insulation layer are coated with outside pipe (11).
4. a kind of solvent separation unit according to claim 1, which is characterized in that the cooling tube (6) and casing
(5), the gap between stem (9) is respectively 2~5mm.
5. a kind of solvent separation unit according to claim 1, which is characterized in that the screw pitch of the helical blade (3)
Greater than the screw pitch of cooling tube (6), the direction of rotation of helical blade (3) is opposite with the direction of rotation of cooling tube (6).
6. a kind of solvent separation unit according to claim 1, which is characterized in that the preheating coil pipe (11) and casing
(5) joint setting pressure valve (10).
7. a kind of solvent separation unit according to claim 1, which is characterized in that the solvent separator shell (2)
On be provided with gas access (4), pressure gauge (14) and blow valve (1), the gas access (4) are arranged in solvent separator shell
In the middle part of body (2), pressure gauge (14) is fixed on the cylindrical outer side face of solvent separator shell (2), the blow valve (1) position
In solvent separator shell (2) bottom, casing (5) gos deep into solvent separator shell (2) inside, and opening is in gas access
(4) lower section.
8. a kind of application method of solvent separation unit described in any one according to claim 1~7, which is characterized in that packet
Containing following steps:
A. blow valve (1) is closed, the gas access (4) of solvent separator shell (2) is connected to vacuum pump (15) by pipeline
Outlet, preheating coil pipe (11) outlet is connected to the entrance of the air heater (17) of reaction kettle (16), makes reaction kettle (16), true
Sky pump (15), air heater (17) and this solvent separation unit and the pipeline for being connected to them form a circulation closure
Circuit；
B. the pressure value for adjusting pressure valve (10), successively starts the pressure of reaction kettle (16) blender, vacuum pump (15), cooling tube
The switch of contracting machine (12), air heater (17), equipment bring into operation；
C. preheating coil pipe (11) end is provided with pressure valve (10), the pressure in limitation solvent separator shell (2), vacuum pump
(15) mixed gas in abstraction reaction kettle is internal to solvent separator shell (2), and as gas increases, pressure increases, mixing
The intracorporal solvent of gas starts to condense；
D. after the mixture pressure in solvent separator shell (2) reaches pressure valve (10) setting upper limit, vacuum pump (15)
Continue to be pumped into mixed gas, the air pressure in solvent separator shell (2) pushes the gaseous mixture in script solvent separator shell (2)
Body uplink, into casing (5) space where helical blade (3), the lead screw by helical blade (3) is upward；Due to spiral shell
Vane piece (3) and cooling tube (6) are oppositely oriented, and mixed gas frontal impact cooling tube (6) simultaneously forms local turbulence disturbance；
E. mixed gas after cooling enters packing layer, forms local turbulence between filler (8), sufficiently connects with filler (8)
Touching further condenses；
F. the mixed gas after removing partial solvent enters preheating coil pipe (11) by pressure valve (10), and mixed gas is preheating
Flowing in coil pipe (11), the heat for absorbing the compressor releasing of cooling tube (6) are preheated, and gas heater is entered after preheating
(17) heating starts to be aerated lyosoption again in reaction kettle (16)；
G. mixed gas repeats the step of above-mentioned C to F, the circular flow in the circulation closed circuit of above equipment composition, will be anti-
The solvent in kettle (16) is answered to separate.
9. a kind of application method of solvent separation unit according to claim 8, it is characterised in that: taken out in advance before operation
Except the air in 10%~30% enclosure space to improve solvent separative efficiency.
10. a kind of application method of solvent separation unit according to claim 8, it is characterised in that: will be anti-before operation
The air in kettle (16) is answered to exclude using inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393670.7A CN110026142B (en) | 2019-05-13 | 2019-05-13 | Solvent separation device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393670.7A CN110026142B (en) | 2019-05-13 | 2019-05-13 | Solvent separation device and use method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN110026142A true CN110026142A (en) | 2019-07-19 |
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