CN106362431A - Built-in condensing device of distillation tower - Google Patents
Built-in condensing device of distillation tower Download PDFInfo
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- CN106362431A CN106362431A CN201611021263.6A CN201611021263A CN106362431A CN 106362431 A CN106362431 A CN 106362431A CN 201611021263 A CN201611021263 A CN 201611021263A CN 106362431 A CN106362431 A CN 106362431A
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- exchanger plates
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- distillation column
- halved tie
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- 238000004821 distillation Methods 0.000 title claims abstract description 54
- 238000009833 condensation Methods 0.000 claims abstract description 28
- 230000005494 condensation Effects 0.000 claims abstract description 28
- 238000005452 bending Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 38
- 101100481408 Danio rerio tie2 gene Proteins 0.000 description 20
- 101100481410 Mus musculus Tek gene Proteins 0.000 description 20
- 239000007788 liquid Substances 0.000 description 7
- 238000010992 reflux Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- 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
- B01D3/42—Regulation; Control
- B01D3/4211—Regulation; Control of columns
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a built-in condensing device of a distillation tower and relates to the technical field of chemical equipment. The condensing device comprises at least one group of heat exchange plate halved ties of vertical structures and a plurality of bafflers, wherein the heat exchange plate halved ties are arranged in the top of the distillation tower, the bottoms of the heat exchange plate halved ties are connected with a cryogen inlet in a tower wall, and the tops of the heat exchange plate halved ties are connected with a cryogen outlet in the tower wall; the bafflers are matched with the tower wall to form a gas flow passage used for guiding to-be-condensed gas to exchange heat with the heat exchange plate halved ties so as to be condensed. The condensing device is directly arranged in the distillation tower, so that sufficient condensation of overhead gas is realized, the trouble of additionally arranging a condenser in the tower top is omitted, the weights of the condensing device and the distillation tower are reduced, and the production cost is saved; the to-be-condensed vapor is guided by the bafflers and exchanges heat with the vertical heat exchange plate halved ties, the intra-shell gas circulation space is large, pressure loss is less, further the heat exchange efficiency of the heat exchange plate halved ties is high, and the heat transfer performance of the condensing device is effectively improved.
Description
Technical field
The present invention relates to technical field of chemical, the built-in condensing units of more particularly, to a kind of distillation column.
Background technology
Overhead condenser is that the gaseous substance separating tower top condenses out, and obtains product and meets backflow needs
A kind of heat transmission equipment, in current distillation column or rectifying column, conventional condensing mode has tower top external and tower top built-in
Two kinds.
Adopting traditional shell and tube condenser tower top external condenser, this kind of condenser structure is simple, is arranged on tower more
Outward, but external pipeline will largely increase droop loss, particularly in vacuum column condenser, gas phase discharging is very big, outside tower
Setting will bring larger pipe arrangement difficulty, and improve pipe arrangement cost to a great extent.Meanwhile, during life-time service, outward
Put condenser there is problems: one, shell and tube condenser, in the operating mode that vacuum level requirements are high or pressure drop requirements are high, changes
The thermal efficiency is low, and equipment is huge；2nd, when condensed gas is for corrosivity or harmful gas, condenser is arranged on outside tower, increases
Disclosure risk, once leaking, easily causes safety and environmental accident；3rd, tubulation surface is mainly based on laminar flow, fluid stream
Speed is relatively low, and surface easily deposits fouling, increases thermal resistance, reduces heat exchange efficiency, and cleaning is difficult；4th, especially when infinite reflux condenses, outward
Put condenser and also need to reflux pump and return condensed fluid in tower, thus increased the investment of reflux pump；5th, condenser is arranged on
When outside tower, heavy constituent can be drawn outside tower, product quality be affected larger.
Based on the disadvantages mentioned above of external condenser, existing distillation column is increasingly favored real in selecting the built-in condenser of tower top
Now flow back.Tower top built-in cold condenser is that condenser is built in distillation column, and gas phase is directly condensed in tower, is formed back
Stream, this condensing mode is used for top vacuum condensation or the liquid of tower top generation has the operating modes such as severe corrosive.Built-in condenser
Frequently with shell and tube, board-like or helix tube type as internals, also can be adopted one or more in order to optimize reinforcement heat exchange
Compound mode is realizing the demand of condensing condition.Patent as Patent No. cn103908791b describes a kind of built-in condenser
Same chamber phase transformation vacuum distillation device twice, in the gas-phase space above its first drainage device import, be provided with spiral condensation
Any one or two or more combinations in device, plate-type condenser, shell and tube condenser, and spiral condenser therein and row
Trumpet cooler heat exchange efficiency is limited, and it is spiral and shell and tube heat exchange to supplement that plate-type condenser therein is merely used as tower wall
Not enough.Therefore, the built-in condenser of existing tower top, when using a kind of heat exchange mode, has that heat exchange efficiency is low, when adopting
During with two kinds of compound mode, not only device structure is relative complex, the device space is required also high.
A kind of vertical (type) condenser is also disclosed, this condenser includes heat exchanger plates halved tie, expansion joint and housing in prior art,
Wherein by multipair heat exchanger plates to forming, heat exchanger plates, to being to be formed by multi-point welding by two pieces of metallic plates, are can for heat exchanger plates halved tie
For the plate journey cavity of heat exchanging fluid circulation, heat exchanger plates halved tie is arranged in housing, each heat exchanger plates between and its and housing between
Form shell side cavity, expansion joint is arranged on heat exchanger plates halved tie one end.Although this plate-type condenser heat exchange efficiency is high, this condensation
Device is not particularly suited in distillation column, because it is directly installed in distillation column, not only increases the complexity of pipeline in distillation column, accounts for
According to more space in tower, and the housing due to condenser itself, expansion joint and the isostructural presence of fixed tube sheet can increase
The weight of distillation column, produces impact to distillation column overall load and operation, and this structure also increases the production of distillation column and becomes simultaneously
This；On the other hand, by this condenser install in a distillation column, the steam to be condensed in tower need enter condenser in carry out cold
Solidifying, because housing interior-heat swapace is little, steam circulating resistance is big, and the pressure loss is greatly it is impossible to meet vacuum level requirements height or pressure
Power fall requires tight operating mode.
Content of the invention
It is an object of the invention to provide a kind of structure is simple, lightweight, low cost, the pressure loss are little, heat exchange efficiency is high
The built-in condensing units of distillation column, to solve the above problems.
For reaching this purpose, the present invention employs the following technical solutions:
A kind of built-in condensing units of distillation column, are in the heat exchanger plates halved tie of vertical structure and some water conservancy diversion including least one set
Plate, described heat exchanger plates halved tie is arranged on the inside of overhead, and the bottom of described heat exchanger plates halved tie and the cryogen in tower wall enter
Mouth connects, and top is connected with the cryogen outlet in tower wall；Described deflector and tower wall cooperatively form gas channel, treat for guiding
Condensed gas carries out heat exchange condensation to heat exchanger plates halved tie.
As a kind of preferred version of the built-in condensing units of distillation column, described tower wall offers condensate outlet and does not coagulate
Gas outlet, described condensate outlet is located at the position near heat exchanger plates halved tie bottom, and described non-condensable gas export is located at close
The position at heat exchanger plates halved tie top.
As a kind of preferred version of the built-in condensing units of distillation column, described heat exchanger plates halved tie includes multiple heat exchanger plates pair,
Each heat exchanger plates forms seal cavity to passing through to weld by two metal sheets, and leaves cryogen port at top and bottom；Two
Open, between metal sheet, multiple solder contacts are formed by multi-point welding pressurising, described solder contacts are crisscross arranged, described heat exchange
The surface of plate pair is in concaveconvex shape.
As a kind of preferred version of the built-in condensing units of distillation column, the plate spacing of described heat exchanger plates halved tie and/or plate pair
Spacing and/or contact density are adjustable.
As a kind of preferred version of the built-in condensing units of distillation column, plate spacing is passed through plate between setting fixture real
Existing.
As a kind of preferred version of the built-in condensing units of distillation column, in described tower wall, it is provided with one group of heat exchanger plates pair vertically
Bundle, described deflector includes the first bending plate above and underlying second bending plate, and described heat exchanger plates halved tie sets
Put between the first bending plate and the second bending plate.
As a kind of preferred version of the built-in condensing units of distillation column, in described tower wall, be provided with central distribution cylinder, described in
The periphery of heart distributing barrel is radially arranged one group of heat exchanger plates halved tie, and described deflector includes two positioned at central distribution cylinder bottom
Individual bending plate.
As a kind of preferred version of the built-in condensing units of distillation column, in described tower wall, it is provided with multigroup heat exchanger plates pair vertically
Bundle；Described deflector includes from top to bottom a spaced bending plate, multiple t template and another bending plate successively, in order to shape
Become the condensation space that multistage interconnects；Heat exchanger plates halved tie described in one group is installed in every section of described condensation space.
As a kind of preferred version of the built-in condensing units of distillation column, described tower wall offers multiple condensate outlets,
It is located at the position near each described heat exchanger plates halved tie bottom respectively.
As a kind of preferred version of the built-in condensing units of distillation column, the deflector near condensate outlet adopts with interior
The heat transfer plate of cavity is made, and is connected with cooling medium in the inner chamber body of described heat transfer plate, in order to reduce the temperature of condensed fluid.
As a kind of preferred version of the built-in condensing units of distillation column, described tower wall top offers tower top outlet.
The invention has the benefit that
The present invention passes through directly to arrange board-like vertical condensation device in distillation column, directly utilizes condensing units with tower wall originally
Body forms gas channel it is achieved that the abundant condensation of overhead gas, it is to avoid the extra trouble installing condenser in tower top, saves
Go the setting of the heavy shell of condenser itself, alleviated the weight of condensing units and distillation column, saved Chemical Manufacture
Cost.During work, the steam to be condensed in tower, by deflector water conservancy diversion, carries out heat exchange by vertical heat exchanger plates halved tie, to be condensed
Steam free air space in tower top is big, facilitates implementation the relatively low pressure loss in limited heat transfer space；And, heat exchanger plates pair
The heat exchange efficiency of bundle is high, more effectively can adjust tower temperature, prevent heavy constituent from steaming from tower top, while ensureing product quality,
Reduce energy resource consumption and equipment manufacturing cost.
For tower top external condenser, the condensing units of the present invention are arranged in tower, overcome tower top output object
During for operating modes such as strong corrosive materials, because equipment corrosion leaks the safety brought and environmental problem；And this condensing unit with
Tower body integrated setting, need not arrange heat exchanger platform, and equipment connecting pipe is relatively easy, can save working place and equipment and
The cost of pipeline.Shell and tube, board-like, helix tube type and the two or more compound modes adopting with respect to the built-in condenser of tower top
For, present configuration is simple, compact, without Fixed Tubesheet Structure, connects cryogen inlet/outlet pipe using heat exchanger plates plate stitch, improves
Heat exchange efficiency, reduces equipment overall weight, simplifies pipeline arrangement, is easily installed and overhauls.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to institute in embodiment of the present invention description
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some enforcement
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be implemented according to the present invention
The content of example and these accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of the built-in condensing units of distillation column that the embodiment of the present invention one provides；
Fig. 2 be in Fig. 1 a-a to sectional view；
Fig. 3 is the structural representation of the built-in condensing units of distillation column that the embodiment of the present invention two provides；
Fig. 4 be in Fig. 3 b-b to sectional view；
Fig. 5 is the structural representation of the built-in condensing units of distillation column that the embodiment of the present invention three provides.
In figure:
1- tower wall；2- heat exchanger plates halved tie；3- deflector；4- cryogen entrance；5- cryogen exports；6- condensate outlet；7- is not
Solidifying gas outlet；8- tower top outlet；9- central distribution cylinder.
Specific embodiment
For make present invention solves the technical problem that, the technical scheme that adopts and the technique effect that reaches clearer, below
By combine accompanying drawing the technical scheme of the embodiment of the present invention is described in further detail it is clear that described embodiment only
It is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Embodiment one
As depicted in figs. 1 and 2, the present embodiment provides a kind of preferred distillation column built-in condensing units, and this condensing unit is solid
In the tower wall 1 of overhead, it includes one group along the axially arranged heat exchanger plates halved tie 2 of tower wall 1 and deflector 3.Water conservancy diversion
Plate 3 is the director element of guiding gas flow direction, and specifically, this deflector 3 includes the first bending being fixed on tower wall 1 top position
Plate and the second bending plate being fixed on tower wall 1 lower position, heat exchanger plates halved tie 2 is arranged on the first bending plate and the second bending plate
Between.Here, the bottom of heat exchanger plates halved tie 2 is connected with the cryogen entrance 4 in tower wall 1 by pipeline, and pipeline and tower are passed through in top
On wall 1 cryogen outlet 5 connection, in condensation process, in heat exchanger plates halved tie 2, be constantly passed through plate journey cryogen, so as with tower body in
Gas to be condensed forms heat exchange.In addition, between the first bending plate and the second bending plate and between each bending plate and tower wall 1
Form gas channel, condensed for importing gas to be condensed in heat exchanger plates halved tie 2；Specifically, the height in the present embodiment
Warm steam flows through left channel, center-aisle and right channel successively, so that gas to be condensed is by the top of heat exchanger plates halved tie 2
Enter, bottom is flowed out, this flow direction is just contrary with the cryogen flow direction in heat exchanger plates halved tie 2, thus increasing heat exchanger plates
The heat-exchange capacity of both sides.
The present invention passes through directly to arrange condensing units in distillation column it is achieved that the abundant condensation of overhead gas, it is to avoid
In tower top, the extra condenser installing shell heaviness, alleviates the weight of condensing units and distillation column, has saved Chemical Manufacture
Cost.During work, steam to be condensed, by deflector 3 water conservancy diversion, carries out heat exchange by vertical heat exchanger plates halved tie 2, treats in tower top
The free air space of condensation vapor volume is big, facilitates implementation the relatively low pressure loss, achievable fine vacuum in limited heat transfer space
Condensation under the conditions of degree 0.1-1kpa and low pressure drop demand.And, the heat exchange efficiency of heat exchanger plates halved tie 2 is high, can be more effective
Adjust tower temperature, prevent heavy constituent from steaming from tower top, while ensureing product quality, reduce energy resource consumption and equipment manufacturing cost.
Condensate outlet 6 and non-condensable gas export 7 are further opened with tower wall 1, wherein condensate outlet 6 is located near second
The position of bending plate bottom, can flow to condensate outlet 6 along the second bending plate after gas to be condensed liquefies to the cold and discharge；And not
Solidifying gas outlet 7 is located at the position (i.e. the end of gas channel) near the first bending plate top, in gas converting heat to be condensed knot
Shu Hou, remaining low boiling and difficult noncondensing gas are discharged by non-condensable gas export 7.
The present invention adopts novel heat exchange plate halved tie 2 as heat exchange element, and this heat exchanger plates halved tie 2 is by multiple heat exchanger plates to uniform
Composition arranged in parallel, each heat exchanger plates forms annular seal space to including two metal sheets, the surrounding of two metal sheets by roll welding
Body, and leave cryogen port at top and bottom, it is used for being passed through plate journey cooling liquid.It is provided with multiple friendships between two metal sheets
The solder contacts of wrong setting, are filled with gases at high pressure molding after welding, form the heat transfer that surfaces externally and internally all has uneven surface
Plate.
In condensing units of the present invention, gas to be condensed enters the plate of heat exchanger plates halved tie 2 to space along deflector 3, due to plate
Between pair, the disturbance to steam is strengthened on rough surface, improves heat exchange efficiency；Contact and raised condensation for steam provide simultaneously
Liquefaction core, makes condensation process close to dropwise condensation, reduces thickness of liquid film, reduce thermal resistance.And cryogen limp journey, lead to
The form crossing plate stitch adapter, by cryogen lead-in plate, need not arrange the structure of similar fixed tube sheet, and due to plate centering contact
Disturbance, make liquid reach the state of turbulent flow, increase heat exchange efficiency.Thus, the turbulence of two side liquids is all strengthened, meanwhile,
The irregularities on metal sheet surface destroy the uniform flow forming liquid film, using flexible version, make condensation process
Major part is carried out under pearl condensing state, reduces thermal resistance, enhances condensation effect, it is possible to decrease energy resource consumption and equipment are made
Valency.
Further, above-mentioned heat exchanger plates between by fixture control room away to be formed inside heat exchanger plates pair and tower body
Gas to be condensed is filled with plate by deflector 3 and cooling gap is condensed by the cooling gap of connection.Here, heat exchanger plates pair
Plate spacing, plate is flexibly adjustable to parameters such as spacing, contact densities, particularly allowable pressure drop require stricter when, can lead to
Cross increasing plate spacing to be realized with low pressure depreciation and reduces plate spacing reinforcement cryogen side heat exchange efficiency, be achieved in changing less
Complete heat exchange under hot area, bring larger heat exchange area compared to the relatively low heat exchange efficiency of tubular heat exchanger, can will be built-in cold
Solidifying device reduces to the loading effect of tower body itself.In addition, present invention presence to contact due to heat exchanger plates, and flow of fluid shape
Formula is turbulent flow, and thus generation boundary shear stress is larger, makes heat-exchanger rig have penetrating knot between self-cleaning function, and plate pair in itself
Structure can ensure that condensation side is easy to clean；Meanwhile, for compared to external overhead condenser, when overhead liquid is severe corrosive liquid
During the operating modes such as body, the safety because equipment corrosion leakage brings and environmental problem can be avoided using this device.
In the present invention, the deflector 3 (i.e. base plate of the second bending plate) near condensate outlet 6 adopts with inner chamber body
Heat transfer plate is made, and is connected with cooling medium in the inner chamber body of heat transfer plate, and the condensate temperature in order to reduce at condensate outlet 6 is easy to
Backflow, this structure is especially suitable in the long operating mode of super cooled sect.Further, in present embodiment, the top of tower body is also opened
It is provided with tower top outlet 8, when on-condensible gas is more, can be used for assisting the on-condensible gas discharged in tower body.Additionally, tower wall 1 is outer
Portion is additionally provided with tower exteenal reflux control system, for adjusting the reflux ratio of condensing units, conveniently carries out one pack system backflow or complete time
Stream operation.
Embodiment two
As shown in Figure 3 and Figure 4, the present embodiment proposes another kind of preferably built-in condensing units of distillation column, this device and reality
The built-in condensing units of distillation column applied in example one are essentially identical, are: the arrangement of heat exchanger plates halved tie 2 is different, leads in place of its difference
The concrete structure of stream plate 3 is different.
In the present embodiment, in tower body, it is provided with central distribution cylinder 9, the periphery of central distribution cylinder 9 is radially even to be disposed with one
Group heat exchanger plates halved tie 2, deflector 3 herein includes two bending plates, this two bending plate and tower positioned at central distribution cylinder 9 bottom
Wall 1 coordinates, and forms the gas channel of gas to be condensed.In work process, gas to be condensed enters center along said flow passage
In distributing barrel 9, then (gas flow direction such as Fig. 3 is condensed by central distribution cylinder 9 radially in heat exchanger plates halved tie 2
Shown in middle arrow).
The condensate outlet 6 of the present embodiment is arranged on the position in tower wall 1 near bending plate bottom, can make condensed fluid along curved
Flap flow to exit and discharges；Non-condensable gas export 7 is arranged on the top of cryogen outlet 5 in tower wall 1, for discharging in tower body
On-condensible gas.The heat exchanger plates halved tie 2 of the present embodiment preferably, is particularly suited for tower overhead gas using pattern of radially arranging, condensation effect
Amount is larger, condensation number is larger and the situation of the extensible limited height of tower top.
Embodiment three
As shown in figure 5, the present embodiment proposes another kind of preferably built-in condensing units of distillation column, this device and embodiment one
In the built-in condensing units of distillation column essentially identical, its difference in place of be: heat exchanger plates halved tie 2 is axially arranged with three groups along tower wall 1,
Tower body is divided into three spaces by deflector 3.
Specifically, this deflector 3 includes setting gradually from top to bottom the first bending plate, a t shape plate, the 2nd t shape plate
With the second bending plate, above-mentioned each bending plate will be divided into three sections of condensation spaces interconnecting of upper, middle and lower inside tower top, every section of condensation
One group of heat exchanger plates halved tie 2 is installed in space.The also visual operating mode of the built-in condensing units of the present embodiment needs, and adopts needing multicomponent
In the distillation going out or rectifying column, in conjunction with principles of rectification, subsection setup multigroup heat exchanger plates halved tie 2 near specified column plate, gas leads to
Cross each deflector 3 and carry out water conservancy diversion (gas flow direction is as shown by the arrows in Figure 5), condensed by multisection type, flexibly produce different
Component, meet condensation different component duty requirements.
Further, the present embodiment tower wall 1 offers three condensate outlets 6, be located near each heat exchanger plates pair respectively
Restraint the position of 2 bottoms, for the condensed fluid in each section of condensation space is derived tower body respectively.Here can in each heat exchanger plates halved tie 2
From different cryogens to provide different cooling capacities, and then realize the requirement of multicomponent condensing reflux.
To sum up, the present invention adopts vertical condensation device, using flexible sheet structure and plate bundle compound mode, can be by adjusting
Optimum knot sought by section heat exchanger plates spacing, contact density, plate to the single hop of spacing and heat exchanger plates halved tie group or the design of multisection type
To reach optimal heat transfer effect, achievable one pack system, multicomponent and infinite reflux etc. condense demand to structure parameter.As hot side is cold
Solidifying steam flow is larger, in the case of meeting heat exchange, increases plate to spacing, increases by property, just can reduce pressure drop, may be used simultaneously
By reducing plate spacing, increase cryogen flow velocity to improve heat exchange efficiency, low pressure drop and strong heat exchange are equalized with this.In addition, this
Bright total is more penetrating, and can adjust fluid passage according to fluid flow and medium physical property, enables relatively low pressure drop
Loss, is particularly suited for the situation of distillation column operating pressure relatively low (as vacuum column operation).
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (11)
1. a kind of built-in condensing units of distillation column are it is characterised in that include the heat exchanger plates halved tie (2) that least one set is in vertical structure
With some deflectors (3), described heat exchanger plates halved tie (2) is arranged on the inside of overhead, the bottom of described heat exchanger plates halved tie (2)
Portion is connected with the cryogen entrance (4) in tower wall (1), and top is connected with cryogen outlet (5) in tower wall (1)；Described deflector (3)
Cooperatively form gas channel with tower wall (1), for guiding gas to be condensed to carry out heat exchange condensation to heat exchanger plates halved tie (2).
2. the built-in condensing units of distillation column according to claim 1 are it is characterised in that offer cold in described tower wall (1)
Condensate outlet (6) and non-condensable gas export (7), described condensate outlet (6) is located at the position near heat exchanger plates halved tie (2) bottom
Put, described non-condensable gas export (7) is located at the position near heat exchanger plates halved tie (2) top.
3. the built-in condensing units of distillation column according to claim 1 and 2 are it is characterised in that described heat exchanger plates halved tie (2) bag
Include multiple heat exchanger plates pair, each heat exchanger plates forms seal cavity to passing through to weld by two metal sheets, and in top and bottom
Leave cryogen port；Between two metal sheets, multiple solder contacts are formed by multi-point welding pressurising, described solder contacts are handed over
Wrong setting, the surface of described heat exchanger plates pair is in concaveconvex shape.
4. the built-in condensing units of distillation column according to claim 3 are it is characterised in that the plate of described heat exchanger plates halved tie (2)
Spacing and/or plate are adjustable to spacing and/or contact density.
5. the built-in condensing units of distillation column according to claim 4 it is characterised in that plate spacing is passed through plate between set
Put fixture to realize.
6. the built-in condensing units of the distillation column according to claim 1 or 4 are it is characterised in that in described tower wall (1) vertically
It is provided with one group of heat exchanger plates halved tie (2), described deflector (3) includes the first bending plate above and underlying second curved
Flap, described heat exchanger plates halved tie (2) is arranged between the first bending plate and the second bending plate.
7. during the built-in condensing units of the distillation column according to claim 1 or 4 are it is characterised in that be provided with described tower wall (1)
Heart distributing barrel (9), the periphery of described central distribution cylinder (9) is radially arranged one group of heat exchanger plates halved tie (2), described deflector
(3) two bending plates positioned at central distribution cylinder (9) bottom are included.
8. the built-in condensing units of the distillation column according to claim 1 or 4 are it is characterised in that in described tower wall (1) vertically
It is provided with multigroup heat exchanger plates halved tie (2)；Described deflector (3) includes from top to bottom a spaced bending plate, multiple t type successively
Plate and another bending plate, in order to form the condensation space that multistage interconnects；One group of institute is installed in every section of described condensation space
State heat exchanger plates halved tie (2).
9. the built-in condensing units of distillation column according to claim 8 are it is characterised in that offer many in described tower wall (1)
Individual condensate outlet (6), is located at the position near each described heat exchanger plates halved tie (2) bottom respectively.
10. the built-in condensing units of distillation column according to any one of claim 1,2,4,5,9 are it is characterised in that near cold
The deflector (3) of condensate outlet (6) is made using the heat transfer plate with inner chamber body, is connected with cooling in the inner chamber body of described heat transfer plate
Medium, in order to reduce the temperature of condensed fluid.
The 11. built-in condensing units of distillation column according to claim 10 are it is characterised in that described tower wall (1) top opens up
There is tower top outlet (8).
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| CN201611021263.6A CN106362431A (en) | 2016-11-15 | 2016-11-15 | Built-in condensing device of distillation tower |
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| CN201611021263.6A CN106362431A (en) | 2016-11-15 | 2016-11-15 | Built-in condensing device of distillation tower |
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| CN201611021263.6A Pending CN106362431A (en) | 2016-11-15 | 2016-11-15 | Built-in condensing device of distillation tower |
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| CN107035726A (en) * | 2017-06-22 | 2017-08-11 | 哈尔滨广瀚新能动力有限公司 | It is a kind of to prevent the protector and its application method of ORC electricity generation system pump cavitations |
| CN107035727A (en) * | 2017-06-22 | 2017-08-11 | 哈尔滨广瀚新能动力有限公司 | It is a kind of to prevent the device for storing liquid and its application method of ORC electricity generation system pump cavitations |
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| CN114405038A (en) * | 2022-01-26 | 2022-04-29 | 福建钰融科技有限公司 | Condensation flow guide assembly and waste liquid recovery device |
| CN116392836A (en) * | 2023-05-18 | 2023-07-07 | 攀钢集团西昌钢钒有限公司 | Distillation tower |
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Application publication date: 20170201 |