CN107854858A - Multi-stage flash steaming pot - Google Patents
Multi-stage flash steaming pot Download PDFInfo
- Publication number
- CN107854858A CN107854858A CN201711029600.0A CN201711029600A CN107854858A CN 107854858 A CN107854858 A CN 107854858A CN 201711029600 A CN201711029600 A CN 201711029600A CN 107854858 A CN107854858 A CN 107854858A
- Authority
- CN
- China
- Prior art keywords
- flash
- tank body
- flash distillation
- dividing plate
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/06—Flash distillation
- B01D3/065—Multiple-effect flash distillation (more than two traps)
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention relates to a kind of Multi-stage flash steaming pot, including tank body, at least one piece flash distillation dividing plate and at least one piece of weir divider are provided with the tank body, one ora terminalis of the flash distillation dividing plate is vacantly set downwards, remaining periphery connects the inwall of the tank body, one ora terminalis of institute's weir divider is vacantly set upwards, and remaining periphery connects the inwall of the tank body；The flash distillation dividing plate and the weir divider are alternately arranged oppositely, and the free end of adjacent separator partly overlaps in a vertical direction, certain interval is also left between the lamination portion of adjacent separator, the inner chamber of the tank body is divided into logical multiple cavities from beginning to end successively by the gap；In continuous flow procedure, multiple flash distillation cavitys in tank body, different degrees of flash distillation can be carried out.This multistage flash evaporation jar structure is simple, novel, and two-stage flash even multistage flash evaporation, and considerably reduce the floor space of equipment can be effectively realized in a tank body, difficulty of construction is reduced, shortens construction period.
Description
Technical field
The present invention relates to field of chemical equipment, more particularly to a kind of Multi-stage flash steaming pot.
Background technology
Flash separation operation is the separating-purifying means commonly used in Chemical Manufacture.In actual production process, in order to reach
Separation purpose realizes more preferable separating effect, it is necessary to carry out two-stage flash even multistage flash evaporation to the material to be purified, this
Just need to set multiple flash tanks to carry out successive flash vaporization operation, this mode substantially increases equipment cost, and multiple equipment accounts for
Ground area is larger, and pipeline is complicated between equipment, and the engineering time is longer.In order to save the floor space of equipment, by multiple flash tanks
It is also the mode commonly used in Chemical Manufacture to be combined into same housing structure setting up and down, but this mode has accordingly increased tower body
Height, add equipment cost and difficulty of construction to a certain extent.
The content of the invention
The technical problem to be solved by the invention for the present situation of prior art is to provide a kind of simple in construction, novel, energy
Enough carry out the Multi-stage flash steaming pot of multistage flash evaporation.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of Multi-stage flash steaming pot, including tank body, it is described
The fluid inlet, liquid-phase outlet and the gaseous phase outlet for discharging flashed vapour of tank inner chamber, its feature are communicated with tank body
It is：
Flash distillation dividing plate and weir divider are provided with the tank body, the lower ora terminalis of the flash distillation dividing plate is vacantly set, remaining
Periphery connects the inwall of the tank body, and the upper edge of institute's weir divider is vacantly set, and remaining periphery connects the inwall of the tank body；
The flash distillation dividing plate and the weir divider are alternately arranged oppositely, and flash the free end of dividing plate and hanging for adjacent weir divider
Dead end partly overlaps in a vertical direction, and has gap between the lamination portion, by the gap by the tank body
Chamber is divided into logical multiple cavities from beginning to end successively；
Cavity corresponding to the fluid inlet connection upstream flash distillation dividing plate, the liquid-phase outlet connect downstream weir divider
Corresponding cavity；The gaseous phase outlet has multiple, is respectively communicated with each self-corresponding cavity.
One end edge of flash distillation dividing plate and weir divider in the tank body is hanging respectively to be set, and remaining periphery connects the tank
The inwall of body, can to leave gap between the dividing plate and the inner tank wall, so as to the tank body flashed liquid from
Upstream cavity direction of flow downstream cavity；The flash distillation dividing plate and weir divider are arranged oppositely successively and the free end of adjacent separator is perpendicular
Flash distillation dividing plate with the epimere edge hanging weir divider hanging to direction upper part overlapping, in particular to lower ora terminalis is successively to setting
Put, wherein, the upper edge of weir divider is higher than the adjacent lower ora terminalis for flashing dividing plate；Between two adjacent dividing plate lamination portions
There is certain interval, this setup can cause the flashed liquid of the tank body to pass through the flash distillation dividing plate from upstream cavity
Gap between the weir divider flows to downstream cavity, when liquid level reach a certain height, between adjacent each dividing plate
Gap forms the fluid fluid-tight passage of flowing, now, the tank body is allowed between fluid-tight fluid and each dividing plate and is formd respectively
Individual flash distillation cavity.Different degrees of flash distillation can be carried out in each flash distillation cavity, drastically increases the flash distillation effect of flash tank
Fruit.
As an improvement, the flash distillation dividing plate and the weir divider are placed vertically in the tank body and/or slant setting.
In actual production process, flash distillation dividing plate and weir divider in the tank body can be placed using vertical；Or institute
Slant setting can be used by stating the flash distillation dividing plate in tank body and weir divider；And the flash distillation dividing plate in the tank body and overflow
Flowing dividing plate can also be by the way of vertical placement and slant setting combination.
Preferably, the flash distillation dividing plate and the angle of the weir divider and vertical direction are 0-60 °, preferably 15 °.
As an improvement, the top of each cavity in the tank body is equipped with gaseous pressure meter interface, for placing detection
The gaseous pressure meter of each inside cavity flash distillation atmospheric pressure, the pressure change in each flash distillation cavity that can be detected in real time.
As an improvement, thermometer boss is also provided with downstream cavity in the tank body, for placing test chamber
The thermometer of internal temperature, judge whether the flash temperature in cavity reaches by the temperature change in the cavity that detects in real time
Operation requires.
Improve again, interface and liquid level gauge lower interface on liquid level gauge are also provided with the downstream cavity in the tank body, use
To place the liquid level gauge of test chamber inside liquid level height.In process of production, changed by the liquid level in test chamber, and then
Control the liquid-phase outlet flow or flash tank fluid inlet flow of flash tank so that the level stability in cavity is in suitable model
In enclosing, the liquid level of downstream cavity is avoided not have the weir divider of the chamber, the flashed liquid back-mixing with upstream chamber.
Preferably, being provided with one piece of flash distillation dividing plate and one piece of weir divider in the tank body, the tank body is set to form two level
Flash tank；If being arranged oppositely four pieces of dividing plates successively in certain tank body, the tank body is set to form three stages of flashing tank.
It is another that preferably the flash distillation dividing plate and the weir divider can be annular dividing plate, wherein, upward direction is hanged
Empty circular weir divider is coaxially disposed with adjacent downward hanging circular flash distillation dividing plate, the circular weir divider
Part, which is enclosed, to be located at outside circular flash distillation dividing plate.
Preferably, the tank body can be cylinder.
Preferably, the tank body of the flash tank can the tank body for it is vertical placement or horizontal placement.Wherein, it is horizontal
Space is larger in flash tank horizontal direction, is adapted to multistage flash evaporation.
Compared with prior art, advantages of the present invention：The invention provides a kind of Multi-stage flash steaming pot, set in the tank body
There are at least one piece flash distillation dividing plate and at least one piece of weir divider, an ora terminalis of the flash distillation dividing plate is vacantly set downwards, remaining week
Edge connects the inwall of the tank body, and an ora terminalis of the weir divider is vacantly set upwards, and remaining periphery connects the tank body
Inwall；The flash distillation dividing plate and the weir divider are alternately arranged oppositely, and the free end of adjacent separator portion in a vertical direction
Divide overlapping, certain interval is also left between adjacent flash distillation dividing plate and the lamination portion of weir divider, by the gap by described in
The inner chamber of tank body is divided into logical multiple cavities from beginning to end successively；In continuous flow procedure, the flash distillation in Multi-stage flash steaming pot
When operation reaches stable state, the fluid-tight passage of flowing is formed between adjacent separator, the tank body is divided into multiple flash distillation cavitys,
Carry out different degrees of flash distillation.This multistage flash evaporation jar structure is simple, novel, and two level can be effectively realized in a tank body
Flash distillation even multistage flash evaporation, and considerably reduce the floor space of equipment, reduces difficulty of construction, shortens construction period.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the A of the embodiment of the present invention 1 to schematic diagram；
Fig. 3 is the structural representation of the embodiment of the present invention 2；
Fig. 4 is the A of the embodiment of the present invention 2 to schematic diagram；
Fig. 5 is the structural representation of the embodiment of the present invention 3；
Fig. 6 is the A of the embodiment of the present invention 3 to schematic diagram；
Fig. 7 is the structural representation of the embodiment of the present invention 4；
Fig. 8 is the structural representation of the embodiment of the present invention 5.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment 1,
Multi-stage flash steaming pot shown in Fig. 1-Fig. 2 is two-stage flash tank, including the tank body 3 of cylindrical form and is arranged on tank
One piece of flash distillation dividing plate 31 and one piece of weir divider 32 inside body 3；Wherein, it is upstream baffle to flash dividing plate 31, is inclined at
The top of tank body 3, an and ora terminalis is hanging downwards, remaining periphery connect the inwall of the tank body 3, weir divider 32 be downstream every
Plate, the bottom of tank body 3 is inclined at, and an ora terminalis is hanging upwards, and remaining periphery connects the inwall of the tank body 3；To setting
Put flash distillation dividing plate 31 and weir divider 32 free end in a vertical direction partly overlapping, in particular to weir divider 32 it is upper
Ora terminalis is higher than ora terminalis under the minimum point of flash distillation dividing plate 31；Also, flash between dividing plate 31 and the lamination portion of weir divider 32 also
Leave certain interval.The angle of inclination of flash distillation dividing plate 31 and the in the vertical direction of weir divider 32 be 15 ° (angle of inclination be every
The angle of plate and vertical direction), i.e., two pieces of dividing plates are parallel in tank body 3 is arranged oppositely；Flash dividing plate 31 and weir divider 32 will
Tank body 3 is divided into two flash distillation cavitys, i.e., the first flash distillation cavity 6 and second flashes cavity 7.
The top of the first flash distillation cavity 6 corresponding to the connection flash distillation dividing plate 31 of fluid inlet 1 of flash tank, liquid-phase outlet 2
Connect the bottom of the second flash distillation cavity 7 corresponding to weir divider 32；The gaseous phase outlet of flash tank is respectively to be arranged on tank body 3
First gaseous phase outlet 62 and the second gaseous phase outlet 72 at top, the first gaseous phase outlet 62 connection the first flash distillation cavity 6, the second gas phase
The connection of outlet 72 second flash distillation cavity 7.The top of first flash distillation cavity 6 is additionally provided with the first gas phase for placing gaseous pressure meter
Pressure tap 61, the top of the second flash distillation cavity 7 are additionally provided with the second gaseous pressure meter interface for placing gaseous pressure meter
71, the thermometer boss 5 for placing thermometer is additionally provided with the second flash distillation cavity 7 in tank body 3, in test chamber
Flash temperature changes, and interface 41 and liquid on the liquid level gauge for place liquid level gauge are additionally provided with the second flash distillation cavity 7 in tank body 3
Position meter lower interface 42, wherein, the position of interface 41 is less than the peak of weir divider 32 on liquid level gauge, passes through the flash distillation of detection second
Liquid level change in cavity 7, and then control the flow of liquid-phase outlet 2 or the flow of flash tank fluid inlet 1 of flash tank so that the
Liquid level in two flash distillation cavitys 7 avoids the liquid level of the second flash distillation cavity 7 from not having weir divider 32 in suitable scope,
With the flashed liquid back-mixing in the first flash distillation cavity 6.
The flash process of two-stage flash tank is：Flashed liquid is intended to continuously enter to first by the fluid inlet 1 of flash tank
Flash in cavity 6, primary flash is carried out in the first flash distillation cavity 6, flashed vapour passes through the first of the first top for flashing cavity 6
Gaseous phase outlet 62 exports, and the rear liquid phase of flash distillation stays in the bottom of the first flash distillation cavity 6, is gradually risen with the carry out liquid level of flash distillation
Height, when liquid level there was not the lower ora terminalis of flash distillation dividing plate 31, flashes and initially form fluid-tight between dividing plate 31 and weir divider 32, with
The rise of the liquid level in the clearance channel between dividing plate 31 and weir divider 32 is flashed, the liquid phase of first order flash distillation raises in liquid level
During pressure reduce, continue to flash, the liquid after primary flash did not had weir divider 32, overflowed to the second sudden strain of a muscle
When steaming cavity 7, the flashed liquid entered in the second flash distillation cavity 7 proceeds by relatively stable two-stage flash, two-stage flash
Flash steam exported by second gaseous phase outlet 72 on top of the second flash distillation cavity 7, the flashed liquid after two-stage flash passes through
The output fed downstream of bottom liquid phases outlet 2 of second flash distillation cavity 7.In continuous production, the first flash distillation cavity 6 and second flashes
Operating pressure in cavity 7 is different, and the first flash distillation cavity 6 also differs with the liquid level difference in the second flash distillation cavity 7, wherein, two
The first flash distillation flash distillation cavity 7 of cavity 6 and second of level flash tank is equipped with the gas phase for detecting each inside cavity steam pressure
Pressure gauge, while thermometer is additionally provided with the second flash distillation cavity 7, the pressure in each flash distillation cavity that can be detected in real time becomes
Change and temperature change, reach suitable flashing pressure and flash temperature so that system is adjusted in real time；The second last flashes cavity 7
On be additionally provided with liquid level gauge, so as in continuous flow procedure, the liquid level change in the flash distillation cavity 7 of detection second, and then control and dodge
The flow of liquid-phase outlet 2 or the flow of flash tank fluid inlet 1 of steaming pot so that the Liquid level in the second flash distillation cavity 7 is closing
In suitable scope, reach dynamic equilibrium, avoid the liquid level of the second flash distillation cavity 7 from not having weir divider 32, with the first flash distillation cavity 6
Interior flashed liquid back-mixing.
Embodiment 2,
Multi-stage flash steaming pot shown in Fig. 3-Fig. 4 is two-stage flash tank, including the tank body 3 of cylindrical form and is arranged on tank
One piece of flash distillation dividing plate 31 and one piece of weir divider 32 inside body 3；The present embodiment from embodiment 1 unlike flash dividing plate 31
It is vertical placement with weir divider 32；In addition, the other guide of the two-stage flash tank in the present embodiment and flashed
Journey is same as Example 1, no longer repeats herein.
Embodiment 3,
Multi-stage flash steaming pot shown in Fig. 5-Fig. 6 is two-stage flash tank, including the tank body 3 of cylindrical form and is arranged on tank
One piece of flash distillation dividing plate 31 and one piece of weir divider 32 inside body 3.The present embodiment from embodiment 1 unlike flash dividing plate 31
It is annular dividing plate with weir divider 32, flashes dividing plate 31 and weir divider 32 to be coaxially arranged oppositely, flash distillation dividing plate 31 is
Upstream baffle, and an ora terminalis is vertical hanging downwards, and the periphery of the other end is fixedly connected in the top inner wall of the tank body 3,
Weir divider 32 is downstream dividing plate, is vertically arranged in the bottom of tank body 3, and an ora terminalis is hanging upwards, and the periphery of the other end is fixed
It is connected on the inwall of the bottom of the tank body 3；The flash distillation dividing plate 31 and the free end of weir divider 32 being arranged oppositely are vertical
Lower ora terminalis of the epimere edge of direction upper part overlapping, in particular to weir divider 32 higher than flash distillation dividing plate 31；Also, flash dividing plate
Certain interval between 31 and the lamination portion of weir divider 32 also be present, in particular to the part of weir divider 32 enclose be located at flash distillation every
Outside plate 31.In addition, the other guide of the two-stage flash tank in the present embodiment and flash process are same as Example 1,
No longer repeat herein.
Embodiment 4,
Multi-stage flash steaming pot shown in Fig. 7 is three stages of flashing tank, including the tank body 3 of cylindrical form and is arranged on tank body 3
Internal first flashes dividing plate 31, the first weir divider 32, second flash distillation dividing plate 33；Wherein, the first flash distillation dividing plate 31, which tilts, sets
Put at the top of tank body 3, and an ora terminalis is hanging downwards, and remaining periphery connects the inwall of the tank body 3, with the first flash distillation dividing plate 31
The first adjacent weir divider 32 is inclined at the bottom of tank body 3, and an ora terminalis is hanging upwards, and remaining periphery connects the tank
The inwall of body 3, the adjacent with the first weir divider 32 second flash distillation dividing plate 33, it is inclined at the top of tank body 3, and an ora terminalis
Hanging downwards, remaining periphery connects the inwall of the tank body 3；First flash distillation dividing plate 31, the first weir divider 32, second flash distillation every
The angle of inclination of plate 33 is identical, i.e., three pieces of dividing plates be arranged in parallel.The two pieces of dividing plates of arbitrary neighborhood for three pieces of dividing plates being arranged oppositely successively
Free end in a vertical direction partly overlapping, in particular to the first weir divider 32 upper edge higher than first flash distillation dividing plate 31
Lower ora terminalis, also above second flash distillation dividing plate 33 lower ora terminalis；In addition, the first flash distillation dividing plate 31, the first weir divider 32, second
There is certain interval between lamination portion between adjacent two pieces of dividing plates of flash distillation dividing plate 33, flash tank is divided into three flash distillations
Cavity, i.e., the first flash distillation cavity 6, second flash cavity 7 and the 3rd and flash cavity 8.
The top of the first flash distillation cavity 6 corresponding to the connection of the fluid inlet 1 first flash distillation dividing plate 31 of flash tank, liquid phase go out
The bottom of the 3rd flash distillation cavity 8 corresponding to the connection of mouth 2 second flash distillation dividing plates 33；The gaseous phase outlet of flash tank, which is divided into, is arranged on tank
First gaseous phase outlet 62, the second gaseous phase outlet 72 and the 3rd gaseous phase outlet 82 at the top of body 3, the first gaseous phase outlet 62 connection the
One flash distillation cavity 6, the second gaseous phase outlet 72 connection the second flash distillation cavity 7, the flash distillation cavity 8 of the 3rd gaseous phase outlet 82 connection the 3rd.
The top of first flash distillation cavity 6 is additionally provided with the first gaseous pressure meter interface 61 for placing gaseous pressure meter, the second flash distillation chamber
The top of body 7 is additionally provided with the second gaseous pressure meter interface 71 for placing gaseous pressure meter, and the top of the 3rd flash distillation cavity 8 is also
Provided with for placing the 3rd gaseous pressure meter interface 81 of gaseous pressure meter, use is additionally provided with the 3rd flash distillation cavity 8 in tank body 3
To place the thermometer boss 5 of thermometer, the flash temperature that can be used in test chamber changes, the 3rd flash distillation in tank body 3
Interface 41 and liquid level gauge lower interface 42 on the liquid level gauge for place liquid level gauge are additionally provided with cavity 8, passes through the flash distillation of detection the 3rd
Liquid level change in cavity 8, and then control the flow of liquid-phase outlet 2 or the flow of flash tank fluid inlet 1 of flash tank so that the
Liquid level in three flash distillation cavitys 8 avoids flashed vapour or flashed liquid in each flash distillation cavity mutual in suitable scope
Mix, influence flash evaporation effect.
The flash process of three stages of flashing tank is：Flashed liquid is intended to continuously enter to first by the fluid inlet 1 of flash tank
Flash in cavity 6, primary flash is carried out in the first flash distillation cavity 6, flashed vapour passes through the first of the first top for flashing cavity 6
Gaseous phase outlet 62 exports, and the liquid phase of flash distillation rests on the bottom of the first flash distillation chamber 6, and liquid level gradually rises, when liquid level did not had first
When flashing the lower ora terminalis of dividing plate 31, fluid-tight is initially formed between the first flash distillation weir divider 32 of dividing plate 31 and first, with first
The liquid level in clearance channel between the flash distillation weir divider 32 of dividing plate 31 and first continues to raise, one during liquid level is elevated
The pressure of level flash distillation liquid phase further reduces, and continues to flash, the liquid after primary flash did not had the first weir divider
32, overflow in the second flash distillation cavity 7, form metastable two-stage flash, with the flashed liquid in the second flash distillation cavity 7
Liquid level continue to raise, when liquid level do not had second flash distillation dividing plate 33 lower ora terminalis when, second flash distillation cavity 7 and the 3rd flash cavity
Fluid-tight is formd between 8, flashed vapour is exported by second gaseous phase outlet 72 on the top of the second flash distillation cavity 7, meanwhile, the 3rd dodges
Steam and three stages of flashing is carried out in cavity 8, the flash steam of three stages of flashing passes through the 3rd gaseous phase outlet 82 on the 3rd top for flashing cavity 8
Export, the liquid after three stages of flashing passes through the output fed downstreams of bottom liquid phases outlet 2 of the 3rd flash distillation cavity 8.Continuously giving birth to
During production, because the liquid continuously flowed forms fluid-tight passage between adjacent dividing plate, three flash distillation chambers in flash tank
Body can carry out different degrees of flash distillation simultaneously.Wherein, the operating pressure difference in three flash distillation cavitys, two adjacent cavitys
Between liquid level difference also differ.In addition, the first flash distillation cavity 6, second of three stages of flashing tank flashes cavity 7 and the 3rd and flashes chamber
The gaseous pressure meter for detecting each inside cavity steam pressure is equipped with body 8, while the 3rd flash distillation cavity 8 is additionally provided with temperature
Meter, the pressure change and temperature change in each flash distillation cavity that can be detected in real time, reaches so that system is adjusted in real time
Suitable flashing pressure and flash temperature；Liquid level gauge is additionally provided with last 3rd flash distillation cavity 8, so as in continuous flow procedure
In, the liquid level change in the flash distillation cavity 8 of detection the 3rd, and then control the flow of liquid-phase outlet 2 or flash tank liquid phase of flash tank
The flow of import 1 so that the Liquid level in the 3rd flash distillation cavity 8 reaches dynamic equilibrium, avoid each sudden strain of a muscle in suitable scope
Steam flashed vapour or flashed liquid in cavity mutually to mix, influence flash evaporation effect.
Embodiment 5,
Fig. 8 is illustrated that Multi-stage flash steaming pot is horizontal level Four flash tank, including the tank body 3 of cylindrical form and sets
The first flash distillation dividing plate 31, the first weir divider 32, second flash distillation dividing plate 33, the second weir divider 34 and the inside tank body 3
Three flash distillation dividing plates 35, the cylindrical tank 3 is horizontal placement；Wherein, the first flash distillation dividing plate 31, the first weir divider 32, the
Two flash distillation dividing plates 33, the second weir divider 34 and the 3rd flash distillation dividing plate 35 are successively to being vertically arranged, being specially：First flash distillation every
Plate 31 is vertically arranged in the top of tank body 3, and an ora terminalis is hanging downwards, and remaining periphery connects the inwall of the tank body 3, with first
The first adjacent weir divider 32 of flash distillation dividing plate 31 is vertically arranged in the bottom of tank body 3, and an ora terminalis is hanging upwards, remaining periphery
The inwall of the tank body 3 is connected, the adjacent with the first weir divider 32 the 3rd flash distillation dividing plate 35, is vertically arranged in the top of tank body 3,
And an ora terminalis is hanging downwards, remaining periphery connects the inwall of the tank body 3, second overflow adjacent with the second flash distillation dividing plate 33
Dividing plate 34 is vertically arranged in the bottom of tank body 3, and an ora terminalis is hanging upwards, and remaining periphery connects the inwall of the tank body 3, with the
The 3rd adjacent flash distillation dividing plate 35 of two weir dividers 34 is vertically arranged in the top of tank body 3, and an ora terminalis is hanging downwards, remaining week
Edge connects the inwall of the tank body 3.The free end of two pieces of dividing plates of the arbitrary neighborhood for five pieces of dividing plates being arranged oppositely successively is perpendicular
Overlapped to direction upper part, and have certain interval between the lamination portion of the free end of arbitrary neighborhood dividing plate, by flash tank
It is divided into four flash distillation cavitys, i.e., the first flash distillation cavity 6, second flashes cavity the 7, the 3rd and flashes the flash distillation cavity of cavity 8 and the 4th
9。
The top of the first flash distillation cavity 6 corresponding to the connection of the fluid inlet 1 first flash distillation dividing plate 31 of flash tank, liquid phase go out
The bottom of the 4th flash distillation cavity 9 corresponding to the flash distillation dividing plate 35 of the connection of mouth 2 the 3rd；The gaseous phase outlet of flash tank, which is divided into, is arranged on tank
First gaseous phase outlet 62, the second gaseous phase outlet 72, the 3rd gaseous phase outlet 82 and the 4th gaseous phase outlet 92 at the top of body 3, first
The connection of gaseous phase outlet 62 first flash distillation cavity 6, the second gaseous phase outlet 72 connection the second flash distillation cavity 7, the 3rd gaseous phase outlet 82 connect
Logical 3rd flash distillation cavity 8, the flash distillation cavity 9 of the 4th gaseous phase outlet 92 connection the 4th.First flash distillation cavity 6 top be additionally provided with for
The first gaseous pressure meter interface 61 of gaseous pressure meter is placed, the top of the second flash distillation cavity 7 is additionally provided with for placing gas phase pressure
Second gaseous pressure meter interface 71 of power meter, the 3rd flash distillation cavity 8 top be additionally provided with for place gaseous pressure meter the 3rd
Gaseous pressure meter interface 81, the top of the 4th flash distillation cavity 9 are additionally provided with the 4th gaseous pressure meter for placing gaseous pressure meter
Interface 91, the thermometer boss 5 for placing thermometer is additionally provided with the 4th flash distillation cavity 9 in tank body 3, can be used for detecting
Flash temperature in cavity changes, and interface 41 and liquid on the liquid level gauge for place liquid level gauge are additionally provided with the 4th flash distillation cavity 9
Position meter lower interface 42, wherein, changed by the liquid level in the flash distillation cavity 9 of detection the 4th, and then control the liquid-phase outlet 2 of flash tank
Flow or the flow of flash tank fluid inlet 1 so that the Liquid level in the 4th flash distillation cavity 9 avoids in suitable scope
Flashed vapour or flashed liquid mutually mix in each flash distillation cavity, influence flash evaporation effect.
The flash process of level Four flash tank is：Flashed liquid is intended to continuously enter to first by the fluid inlet 1 of flash tank
Flash in cavity 6, carry out primary flash in the first flash distillation cavity 6, the liquid phase of flash distillation rests on the bottom of the first flash distillation cavity 6
Portion, gradually risen with the carry out liquid level of flash distillation, when liquid level did not had the upper edge of the first flash distillation dividing plate 31, the first flash distillation dividing plate
31 and first initially form fluid-tight between weir divider 32, and flashed vapour is gone out by first gas phase on the top of the first flash distillation cavity 6
Mouth 62 exports, and with the rise of the liquid level in the clearance channel between the first flash distillation weir divider 32 of dividing plate 31 and first, passes through
The liquid phase pressure of primary flash, which reduces, will continue to flash, when the liquid after primary flash did not had the first weir divider
32, when overflowing to the second flash distillation cavity 7, liquid can carry out relatively stable two-stage flash in the second flash distillation cavity 7, with the
The liquid level of flashed liquid in two flash distillation cavitys 7 continues to raise, when liquid level did not had the upper edge of the second flash distillation dividing plate 33, second
Fluid-tight is initially formed between the flash distillation weir divider 32 of dividing plate 33 and first, and flashed vapour passes through the of the top of the second flash distillation cavity 7
Two gaseous phase outlets 72 export, with the liter of the liquid level in the clearance channel between the second flash distillation weir divider 34 of dividing plate 33 and second
Height, the liquid phase pressure of the flashed liquid after two-stage flash, which reduces, will continue to flash, when the sudden strain of a muscle after two-stage flash
Steaming liquid body did not had the second weir divider 34, when overflowing to the 3rd flash distillation cavity 8, can be carried out in the 3rd flash distillation cavity 8 more steady
Fixed three stages of flashing, the flash steam of three stages of flashing are exported by the 3rd gaseous phase outlet 82 on the top of the 3rd flash distillation cavity 8, with
Liquid level continues to raise, when liquid do not had the 3rd flash distillation dividing plate 35 lower ora terminalis when, the 3rd flash distillation the overflow of dividing plate 35 and second every
Fluid-tight is initially formed between plate 34, level Four flash distillation can be carried out, the bottom that the liquid after level Four flash distillation passes through the 4th flash distillation cavity 9
Liquid-phase outlet 2 exports fed downstream.In continuous production process, when flashed liquid reaches steady-flow in flash tank, due to
The liquid continuously flowed forms fluid-tight passage between adjacent dividing plate, and four flash distillation cavitys in flash tank can be carried out simultaneously
Different degrees of flash distillation.Wherein, the operating pressure in four flash distillation cavitys is different, the liquid level difference between two adjacent cavitys
Differ.In addition, the first flash distillation cavity 6, second of level Four flash tank, which flashes cavity the 7, the 3rd, flashes the flash distillation chamber of cavity 8 and the 4th
The gaseous pressure meter for detecting each inside cavity steam pressure is equipped with body 9, while the 4th flash distillation cavity 9 is additionally provided with temperature
Meter, the pressure change and temperature change in each flash distillation cavity that can be detected in real time, reaches so that system is adjusted in real time
Suitable flashing pressure and flash temperature；Liquid level gauge is additionally provided with last 4th flash distillation cavity 9, so as in continuous flow procedure
In, the liquid level change in the flash distillation cavity 9 of detection the 4th, and then control the flow of liquid-phase outlet 2 or flash tank liquid phase of flash tank
The flow of import 1 so that the Liquid level in the 4th flash distillation cavity 9 reaches dynamic equilibrium, avoid each sudden strain of a muscle in suitable scope
Steam flashed vapour or flashed liquid in cavity mutually to mix, influence flash evaporation effect.
In summary, corresponding the flash distillation dividing plate number and weir divider number in tank body 3 are correspondingly increased, can also be at one
Flash distillation more than three-level is realized in tank body 3.
Claims (10)
1. a kind of Multi-stage flash steaming pot, including tank body (3), the fluid inlet of tank body (3) inner chamber is communicated with the tank body (3)
(1), liquid-phase outlet (2) and the gaseous phase outlet for discharging flashed vapour, it is characterised in that：
Flash distillation dividing plate and weir divider are provided with the tank body (3), the lower ora terminalis of the flash distillation dividing plate is vacantly set, remaining week
Edge connects the inwall of the tank body (3), and the upper edge of the weir divider is vacantly set, and remaining periphery connects the tank body (3)
Inwall；The flash distillation dividing plate and the weir divider are alternately arranged oppositely, and flash the free end of dividing plate and adjacent overflow
The free end of dividing plate is partly overlapped in a vertical direction, and gap is also left between the lamination portion of adjacent separator, and the gap is by institute
The inner chamber for stating tank body (3) is divided into logical multiple cavities from beginning to end successively；
Cavity corresponding to the fluid inlet (1) connection upstream flash distillation dividing plate, liquid-phase outlet (2) the connection downstream overflow every
Cavity corresponding to plate；The gaseous phase outlet has multiple, is respectively communicated with each self-corresponding cavity.
2. Multi-stage flash steaming pot according to claim 1, it is characterised in that：The flash distillation dividing plate and the weir divider are in institute
State vertical placement and/or slant setting in tank body (3).
3. Multi-stage flash steaming pot according to claim 2, it is characterised in that：The flash distillation dividing plate and the weir divider are with erecting
Nogata to angle be 0-60 °.
4. Multi-stage flash steaming pot according to claim 1, it is characterised in that：Corresponding to each cavity in the tank body (3)
Provided with multiple gaseous pressure meter interfaces based on placing the gaseous pressure for detecting each inside cavity steam pressure.
5. Multi-stage flash steaming pot according to claim 1, it is characterised in that：It is additionally provided with the tank body (3) for placing inspection
Survey the thermometer boss (5) of the thermometer of cavity inner temperature.
6. Multi-stage flash steaming pot according to claim 1, it is characterised in that：It is additionally provided with the tank body (3) for installing liquid
Interface (41) and liquid level gauge lower interface (42) on the liquid level gauge of position meter.
7. Multi-stage flash steaming pot according to claim 1, it is characterised in that：One piece of flash distillation is provided with the tank body (3)
Dividing plate and one piece of weir divider, form two-stage flash tank.
8. according to the Multi-stage flash steaming pot described in claim 1-7 any claims, it is characterised in that：It is described to flash dividing plate and overflow
It is annular dividing plate to flow dividing plate.
9. according to the Multi-stage flash steaming pot described in claim 1-7 any claims, it is characterised in that：The tank body (3) is in circle
Cylindricality.
10. Multi-stage flash steaming pot according to claim 9, it is characterised in that：The tank body (3) is vertical placement or horizontal
Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029600.0A CN107854858B (en) | 2017-10-27 | 2017-10-27 | Multi-stage flash tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029600.0A CN107854858B (en) | 2017-10-27 | 2017-10-27 | Multi-stage flash tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107854858A true CN107854858A (en) | 2018-03-30 |
| CN107854858B CN107854858B (en) | 2020-04-17 |
Family
ID=61697435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711029600.0A Active CN107854858B (en) | 2017-10-27 | 2017-10-27 | Multi-stage flash tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107854858B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627289A (en) * | 2019-10-28 | 2019-12-31 | 中国华电科工集团有限公司 | Low-temperature flue gas heating wastewater concentration system |
| CN110642444A (en) * | 2019-10-28 | 2020-01-03 | 中国华电科工集团有限公司 | Vacuum phase-change wastewater concentration and flue gas waste heat recovery system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106582A1 (en) * | 2005-03-31 | 2006-10-12 | Hitachi Zosen Corporation | Multi-stage flash evaporator |
| CN102642883A (en) * | 2012-05-07 | 2012-08-22 | 上海伏波环保设备有限公司 | System for desalinating seawater by waste heat from power plant |
| CN205435019U (en) * | 2016-04-07 | 2016-08-10 | 山东万福达化工有限公司 | Alkanisation cryogen flash tank |
| CN205435018U (en) * | 2016-04-01 | 2016-08-10 | 临沂金誉石化有限公司 | A flash tank for producing isooctane |
| CN205569791U (en) * | 2016-04-07 | 2016-09-14 | 山东万福达化工有限公司 | Flash tank |
| CN107289433A (en) * | 2017-07-21 | 2017-10-24 | 广州恒足节能科技有限公司 | A kind of flash tank for producing dry saturated steam |
-
2017
- 2017-10-27 CN CN201711029600.0A patent/CN107854858B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106582A1 (en) * | 2005-03-31 | 2006-10-12 | Hitachi Zosen Corporation | Multi-stage flash evaporator |
| CN102642883A (en) * | 2012-05-07 | 2012-08-22 | 上海伏波环保设备有限公司 | System for desalinating seawater by waste heat from power plant |
| CN205435018U (en) * | 2016-04-01 | 2016-08-10 | 临沂金誉石化有限公司 | A flash tank for producing isooctane |
| CN205435019U (en) * | 2016-04-07 | 2016-08-10 | 山东万福达化工有限公司 | Alkanisation cryogen flash tank |
| CN205569791U (en) * | 2016-04-07 | 2016-09-14 | 山东万福达化工有限公司 | Flash tank |
| CN107289433A (en) * | 2017-07-21 | 2017-10-24 | 广州恒足节能科技有限公司 | A kind of flash tank for producing dry saturated steam |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627289A (en) * | 2019-10-28 | 2019-12-31 | 中国华电科工集团有限公司 | Low-temperature flue gas heating wastewater concentration system |
| CN110642444A (en) * | 2019-10-28 | 2020-01-03 | 中国华电科工集团有限公司 | Vacuum phase-change wastewater concentration and flue gas waste heat recovery system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107854858B (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101810941A (en) | Compound oil-water separation system | |
| CN203724816U (en) | Gas-liquid separator | |
| CN107854858A (en) | Multi-stage flash steaming pot | |
| CN106669214B (en) | A kind of rectifying tower with bulkhead | |
| CN101411951B (en) | Water-oil separating system and method using centrifugation, gravitation, expansion composite principle | |
| CN201482246U (en) | Combined defoamer | |
| CN110215741A (en) | A kind of oil water separator and separation system | |
| CN102808609B (en) | U-shaped tubular single well producing rate metering device | |
| CN210021437U (en) | Three-phase separator with spiral tube type multi-stage inlet | |
| CN104847329A (en) | Three-phase separation system | |
| CN204126626U (en) | Automatic control of liquid vertical oil-gas separator | |
| CN201101907Y (en) | Combined oil water separation device | |
| RU2542320C1 (en) | Gas-liquid separator | |
| CN101865360B (en) | New type high-efficient whirl slug flow catcher | |
| CN102322911A (en) | Continuous metering device for produced liquid of oil well | |
| CN204601704U (en) | A kind of oil gas water three phase piece-rate system | |
| CN203778051U (en) | Composite tubular liquid distribution device | |
| CN210977444U (en) | Flowmeter sled piece piping system | |
| CN203507651U (en) | Liquid filter | |
| CN102872657B (en) | Gas-liquid separating device | |
| CN205948517U (en) | Water vapour separator | |
| CN206965209U (en) | A kind of gas-liquid multi-stage separation device of pump incoming gassiness experiment | |
| CN205618150U (en) | Novel many wells measurement separation device | |
| CN202410251U (en) | Gas-liquid separation device | |
| CN220656479U (en) | Separation rectifying device for supercritical extraction process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |