CN103691144B - Gas regulating and allocating device in baffle tower - Google Patents
Gas regulating and allocating device in baffle tower Download PDFInfo
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- CN103691144B CN103691144B CN201310689401.8A CN201310689401A CN103691144B CN 103691144 B CN103691144 B CN 103691144B CN 201310689401 A CN201310689401 A CN 201310689401A CN 103691144 B CN103691144 B CN 103691144B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 16
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- 230000033001 locomotion Effects 0.000 claims description 33
- 238000009423 ventilation Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 14
- 230000000630 rising effect Effects 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005194 fractionation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Abstract
The invention discloses a gas regulating and allocating device in a baffle tower and relates to a fractionation device. The gas regulating and allocating device in the baffle tower is used for separating a three-component mixture, has the integrated functions of gas regulating and allocating and gas distribution, and comprises a flow detection device, a controller, a cylinder, a square separation groove, a downcomer, a gas inlet channel, a square valve plate regulating mechanism, a sleeve, a rotary shaft, a motor and a gas distribution mechanism. According to the gas regulating and allocating device in the baffle tower, the problems of non-uniform gas regulating and allocating and gas distribution on two sides of a baffle in the baffle tower in the prior art are solved.
Description
Technical field
Technical scheme of the present invention relates to fractionating device, specifically for the gas allocation device in partitioned column.
Background technology
In chemical separation process, rectifying is most widely used separative element, but defect to be energy consumption higher, in the industries such as oil refining, petrochemical industry, its energy consumption accounts for the ratio of overall process even up to 70%, and equipment investment is more than 50%.Partitioned column, as a novel distillation tower, has the huge advantage of low energy consumption and low cost for multicomponent rectification.The partitioned column being applied to ternary mixture separation arranges one piece of dividing plate along the longitudinal direction of tower in common rectifying column, dividing plate will be divided into left and right two regions in the middle part of tower body, compared to common rectifying column, uprising gas bottom partitioned column will distribute in dividing plate both sides, the gas apportioning cost of dividing plate both sides affects product purity in distillation process and energy consumption, and the energy consumption that suitable gas apportioning cost not only can reduce partitioned column can also improve the purity of rectifying product significantly.Because gas distributes the complexity regulated in dividing plate both sides, at present, usually adopt the mode that gas freely distributes in dividing plate both sides, the ratio freely distributed is determined by the operating condition of partitioned column internals and Ta Nei, uprising gas at the bottom of tower will automatically be assigned to dividing plate both sides according to a certain percentage, automatically the gas flow values distributed in dividing plate both sides usually can not reach optimum operating conditions, therefore, develop and be a kind ofly applied in partitioned column that can to allocate the device that the distribution ratio on demand of uprising gas at the bottom of tower is assigned to dividing plate both sides be flexibly significantly.
Disclosed method uprising gas at the bottom of tower being regulated and distributed on request dividing plate both sides of US20120103013A1 adopts the mode of uprising gas by-passing to realize, the gas entering dividing plate both sides is first derived tower body then in importing tower, Flow-rate adjustment is carried out with the valve on bypass duct, and using ducted flow signal as feedback signal, the weak point of this technology is: 1. do not have gas distribution structure in device, uprising gas at the bottom of tower is after the outer bypass duct of tower regulates and distributes, directly enter into dividing plate both sides, the uneven distribution of dividing plate both sides gas can be caused like this, 2. by mode that bypass regulates, need to adopt the bypass duct with many places elbow, add the flow resistance of gas, when the flow resistance of bypass duct is excessive, the situation of building the pressure is there will be in the cavity of the lower partition, cause the liquid in downspout not flow down, column plate is formed hydrops phenomenon.CN102872609A discloses a kind of rectifying tower with bulkhead, it is adopt uprising gas distribution system at the bottom of tower to realize that uprising gas at the bottom of tower is regulated and distributed dividing plate both sides by request, two separate gas distributors are set bottom dividing plate, this gas distributor is made up of rotation driving mechanism and valve block, computerized control system is according to the pressure difference signal below column plate, feed back to adjustments of gas distributor, gas distributor is according to the anglec of rotation of feedback signal correspondingly adjusting vane, change the area of air ventilation passage, and then change the gas flow values in gas passage.The weak point of this device is: 1. dropping liq and uprising gas staggered flowing in the adjustment space of gas distributor, gas distributor is not by the gas of inflow distributor, liquid two-phase separately, the impact of upper end dropping liq will be subject to when like this gas flow being regulated, add the difficulty of adjustment; 2. the two ends of differential manometer communicating pipe lay respectively in the upper and lower part gas-phase space of last block column plate be connected with dividing plate, carry out flow detection, but the leakage flowing into liquid and the column plate that column plate fluctuates all can have influence on the gas-phase space on column plate top, can cause like this and cannot enter the gas flow of dividing plate both sides by Measurement accuracy, an adjustment signal accurately can not be provided for control system, also cannot the gas flow entering dividing plate both sides accurately be regulated.
Summary of the invention
Technical problem to be solved by this invention is: be provided for the gas allocation device in partitioned column, a kind of for separating of the gas allocation device in the partitioned column of ternary mixture, collection gas preparing and gas are distributed in one, solve the dividing plate both sides gas preparing in the partitioned column of prior art and a gas difficult problem pockety.
The present invention solves this technical problem adopted technical scheme: for the gas allocation device in partitioned column, comprises flow detector, controller, cylindrical shell, square separate slot, downspout, inlet channel, square valve block governor motion, sleeve, rotating shaft, motor and gas distribution mechanism, wherein, distribution of gas mechanism is positioned at the lower end of the dividing plate of partitioned column tower body namely in the bottom of tower body, cylindrical shell is positioned at the below of distribution of gas mechanism, cylindrical shell is a hollow cylindrical structure, its upper surface center position has the manhole that diameter is 10 ~ 32mm, this manhole bilateral symmetry has regularly arranged ventilation square hole, the ventilation square hole quantity of every side is 3 ~ 6, this cylindrical shell lower surface center position also has manhole, its diameter is identical with the diameter of the manhole of upper surface, the manhole bilateral symmetry of center, lower surface respectively has a ventilation square hole, the perforated area of ventilation square hole is 60 ~ 90% of lower surface area, square separate slot is fixedly welded on the upper of cylindrical shell by two pieces of parallel dividing plates, lower surface place is formed, distance between these two pieces of parallel baffles is 40 ~ 60mm, square separate slot is positioned at the center position of cylindrical shell, inner barrel is divided into two independently spaces, it is inner that downspout is positioned at square separate slot, two ends are connected to the upper of above-mentioned cylindrical shell, the manhole place that lower surface center position is opened, downspout diameter is by upper, the diameter of the manhole that lower surface center position is opened determines, the length of downspout is determined by the number of falling liquid measure, to ensure that realizing fluid-tight to uprising gas is as the criterion, inlet channel is welded by square cylinder passage and square base plate, the circulation area of inlet channel is identical with the ventilation square hole area of above-mentioned cylindrical shell lower surface, base plate and the cylindrical shell lower surface of inlet channel are fixed together by bolt and nut, the sidewall center position of the square cylinder of inlet channel has circular hole, sleeve is made up of pipe and the square plate being welded on pipe bottom face, be fixed on out on the sidewall of the square cylinder of round-meshed inlet channel by square plate, sleeve and adopt shaft seal between cylindrical shell and tower body, rotating shaft is that reeded cylinder is opened on top, the degree of depth of groove is 20 ~ 40mm, the width of groove is 5 ~ 15mm, be fixedly connected in inlet channel by the rotating shaft top of sleeve inner and square valve block governor motion, the other end of rotating shaft is connected with motor, flow detector, controller is connected by wire line successively with motor, the detecting position of flow detector is setting in the exit position place of inlet channel, motor is according to the conditioning signal of controller, drive axis of rotation, and then drive square valve block governor motion, regulate the gas flow values in inlet channel.
Above-mentioned for the gas allocation device in partitioned column, described distribution of gas mechanism is made up of the regularly arranged gas passage that rises with V-type cap, rising gas channel seal is fixed on the ventilation square hole of cylindrical shell upper surface, the quantity rising gas passage is identical with the ventilation square hole of cylindrical shell upper surface, rise gas passage to be connected by intake chute with the V-type cap above it, the V-type angle of V-type cap gets 30 ~ 120 °, and the height of intake chute is 20 ~ 60mm.
Above-mentioned for the gas allocation device in partitioned column, described square valve block governor motion is square single valve sheet or square many valve blocks governor motion, and wherein many valve blocks governor motion is made up of inlet channel madial wall, connecting rod, adjustment rod member, connector, square valve block and rotating shaft, single square valve block is one piece of square plate, and single square throttle slice thickness is 5 ~ 10mm, and single square valve block sectional dimension is identical with inlet channel sectional dimension, in many valve blocks governor motion, square throttle slice thickness is 5 ~ 10mm, square valve block spacing gets 0.5 ~ 2 times of its height, square valve block two ends are connected on inlet channel madial wall by connector, rod member one end is regulated to be connected on square valve block, the other end is fixed on connecting rod, multiple square valve block is by connecting rod and regulate rod member to realize synchronous axial system, to drive the square valve block of center to rotate on the square valve block that rotating shaft is connected to center, the square valve block of center drives and regulates rod member to move, and then drive all square valve block of many valve blocks to rotate, the column structure of connector to be diameter be 3 ~ 5mm, one end is fixed on inlet channel madial wall, the other end is connected on square valve block.
Above-mentioned for the gas allocation device in partitioned column, described controller is S7-200 Programmable Logic Controller (PLC).
Above-mentioned for the gas allocation device in partitioned column, wherein involved parts and installation and connection method thereof are all known by the art.
The above-mentioned workflow for the gas allocation device (hereinafter referred to as gas allocation device) in partitioned column is: the dropping liq of partitioned column median septum both sides, a part directly drops to the liquid collecting zone, upper end of gas allocation device, another part liquid first drops on the V-type liquid cap of distribution of gas mechanism, then liquid collecting zone is flow into by intake chute, the liquid of liquid collecting zone flows to the lower end of gas allocation device by downspout, dropping liq in downspout realizes fluid-tight effect to gas, prevent uprising gas from being circulated by downspout, uprising gas at the bottom of tower enters in the inlet channel of gas allocation device, flow detector detects the gas flow values in inlet channel, and send the signal of collection to controller, controller regulates motor according to flow deviation signal feedback, motor drives square valve block governor motion to rotate the gas flow area regulated in inlet channel by rotating shaft, change the gas flow values in gas passage, last uprising gas is distributed to the both sides of dividing plate uniformly by distribution of gas mechanism.
Work Time Controller first regulates the square valve block position in inlet channel, it is made to be in vertical position, flow detector detects the gas flow in the admission line of both sides, if when the actual flow value in the side admission line recorded is greater than the flow value of setting, this side motor of controller feedback regulation, motor drives the square valve block governor motion in inlet channel to rotate by rotating shaft, along with rotation, diminished by the circulation area of square valve block position, the rising passway of gas narrows, resistance becomes large, flow reduces, because another square valve block keeps upright position, the circulation area of gas becomes large relatively, circulating resistance is compared little, the flow that this wing passage passes through increases, the gas flow values of detection is fed back to controller by flow detector, controller constantly adjusts square valve block governor motion according to the gas flow values of setting and the deviate of actual flow value, the final gas flow values obtaining setting, achieve the accurate distribution of gas flow values in dividing plate both sides.
The invention has the beneficial effects as follows: compared with prior art, outstanding substantive distinguishing features of the present invention is:
(1) controller in apparatus of the present invention is assigned to the gas flow signals of dividing plate both sides by flow detector collection, and compare with the gas flow value signal preset and obtain deviation signal, carry out gas flow adjustment according to deviation signal feedback effect in valve block governor motion, realize uprising gas and be assigned to dividing plate both sides by the distribution ratio of setting;
(2) apparatus of the present invention have independently gas, fluid flow paths, enter into the gas of this device, liquid two-phase respectively by respective passage flow, avoid dropping liq to harmful effect during valve block governor motion adjusting gas flow, independently gas rising passway is also for flow detector provides one not by the detection space that liquid phase affects, and improves the control accuracy of whole deployment device;
(3) apparatus of the present invention are with gas distribution structure, and this structure is made up of the regularly arranged gas passage that rises with V-type cap, and have overflow section and amass large and that pressure drop is low advantage, uprising gas, after gas distribution structure, is distributed to dividing plate both sides uniformly.
Compared with prior art, marked improvement of the present invention is:
(1) apparatus of the present invention progress is the most significantly that collection gas preparing and gas are distributed in one, solves partitioned column dividing plate both sides gas preparing and a gas difficult problem pockety simultaneously;
(2) apparatus of the present invention improve gas, the liquid mass-transfer efficiency of dividing plate both sides effectively;
(3) although apparatus of the present invention are mainly used in, in plate baffle tower or filler partitioned column, also can being applied to the occasion needing air inflow to regulate and distribute in proportion.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the general structure schematic diagram of apparatus of the present invention.
Fig. 2 is the square many valve blocks governor motion structural representation in apparatus of the present invention.
Fig. 3 is distribution of gas mechanism structure schematic diagram in apparatus of the present invention.
Fig. 4 be in apparatus of the present invention gas flow through route schematic diagram.
In figure, 1. partitioned column tower body, 2. dividing plate, 3. distribution of gas mechanism, 4. cylindrical shell, 5. inlet channel, 6. square separate slot, 7. downspout, 8. square valve block governor motion, 9. sleeve, 10. rotating shaft, 11. flow detectors, 12. motors, 13. controllers, 14. inlet channel madial walls, 15. connecting rods, 16. regulate rod member, 17. connectors, 18. square valve blocks, 19.V type cap, 20. intake chutes, 21. liters of gas passages.
Detailed description of the invention
Embodiment illustrated in fig. 1ly to show, the general structure of the gas allocation device that the present invention is used in partitioned column is: vertically settle dividing plate 2 in the centre position of partitioned column tower body 1, distribution of gas mechanism 3 is positioned at the lower end of the dividing plate 2 of partitioned column tower body 1 namely in the bottom of tower body 1, cylindrical shell 4 is positioned at the below of distribution of gas mechanism 3, cylindrical shell 4 is a hollow cylindrical structure, its upper surface center position has the manhole that diameter is 10 ~ 32mm, this manhole bilateral symmetry has regularly arranged ventilation square hole, the ventilation square hole quantity of every side is 3 ~ 6, this cylindrical shell 4 lower surface center position also has manhole, its diameter is identical with the diameter of the manhole of upper surface, the manhole bilateral symmetry of center, lower surface respectively has a ventilation square hole, the perforated area of ventilation square hole is 60 ~ 90% of lower surface area, square separate slot 6 is fixedly welded on the upper of cylindrical shell 4 by two pieces of parallel dividing plates, lower surface place is formed, distance between these two pieces of parallel baffles is 40 ~ 60mm, square separate slot 6 is positioned at the center position of cylindrical shell 4, cylindrical shell 4 inside division is become two independently spaces, it is inner that downspout 7 is positioned at square separate slot 6, two ends are connected to the upper of above-mentioned cylindrical shell 4, the manhole place that lower surface center position is opened, downspout 7 diameter is by upper, the diameter of the manhole that lower surface center position is opened determines, the length of downspout 7 has the number of falling liquid measure to determine, to ensure that realizing fluid-tight to uprising gas is as the criterion, inlet channel 5 is welded by square cylinder passage and square base plate, the circulation area of inlet channel 5 is identical with the ventilation square hole area of above-mentioned cylindrical shell 4 lower surface, base plate and cylindrical shell 4 lower surface of inlet channel 5 are fixed together by bolt and nut, the sidewall center position of the square cylinder of inlet channel 5 has circular hole, sleeve 9 is made up of pipe and the square plate being welded on pipe bottom face, be fixed on out on the sidewall of the square cylinder of round-meshed inlet channel 5 by square plate, sleeve 9 and adopt shaft seal between cylindrical shell 4 and tower body 1, rotating shaft 10 top is cylinder, with cylinder top end disk center line for line of symmetry is slotted, groove width is 5 ~ 15mm, groove depth is 20 ~ 40mm, be fixedly connected in inlet channel 5 by rotating shaft 10 top of sleeve 9 inside and square valve block governor motion 8, the other end of rotating shaft 10 is connected with motor 12, flow detector 11, controller 13 is connected by wire line successively with motor 12, the detecting position of flow detector 11 is setting in the exit position place of inlet channel 5, be used for detecting the gas flow values in inlet channel 5, the gas flow signals that controller 13 acquisition stream amount detecting device 11 detects, and according to deviation of signal feedback regulation motor 12, motor 12 is according to the conditioning signal of controller 13, rotating shaft 10 is driven to rotate, and then drive square valve block governor motion 8, regulate the gas flow values in inlet channel 5.The dropping liq coming from partitioned column tower body 1 top declines through dividing plate 2 both sides; Coming from uprising gas at the bottom of the tower bottom partitioned column tower body 1 through the arranged on left and right sides of inlet channel 5 rises.
Embodiment illustrated in fig. 2ly to show, the present invention be used for square many valve blocks governor motion in the gas allocation device in partitioned column by inlet channel madial wall 14, connecting rod 15, regulate rod member 16, connector 17, square valve block 18 and rotating shaft 10 to form, wherein single square valve block 18 is one piece of square plate, single square valve block 18 thickness is 5 ~ 10mm, single square valve block 18 sectional dimension is identical with inlet channel 5 sectional dimension, each square valve block 18 spacing gets 0.5 ~ 2 times of its height, square valve block 18 two ends are connected on inlet channel madial wall 14 by connector 17, rod member 16 one end is regulated to be connected on square valve block 18, the other end is fixed on connecting rod 15, multiple square valve block 18 is by connecting rod 15 and regulate rod member 16 to realize synchronous axial system, to drive the square valve block 18 of center to rotate on the square valve block 18 that rotating shaft 10 is connected to center, the square valve block 18 of center drives and regulates rod member 16 to move, and then drive all square valve block 18 of many valve blocks to rotate, the column structure of connector 17 to be diameters be 3 ~ 5mm, one end is fixed on inlet channel madial wall 14, the other end is connected on square valve block 18.
Embodiment illustrated in fig. 3ly to show, the present invention is used for distribution of gas mechanism 3 in the gas allocation device in partitioned column and is made up of the regularly arranged gas passage 21 that rises with V-type cap 19, rising the sealing of gas passage 21 is fixed on the ventilation square hole of cylindrical shell 4 upper surface, the quantity rising gas passage 21 is identical with the ventilation square hole of cylindrical shell 4 upper surface, rise gas passage 21 to be connected by intake chute 20 with the V-type cap 19 above it, desirable 30 ~ 120 ° of V-type angle, the height of intake chute 20 is 20 ~ 60mm.
Embodiment illustrated in fig. 4ly to show, gas is used for rising bottom the partitioned column of the gas allocation device partitioned column from the present invention, device is entered into, from inlet channel 5 effluent air through the V-type cap 19 of distribution of gas mechanism 3 with rise the both sides that gas passage 21 even structure is distributed to dividing plate 2 by the arranged on left and right sides inlet channel 5 of this device.
Embodiment 1
According to Fig. 1, the embodiment that Fig. 2 and Fig. 3 provides is installed for the gas allocation device in partitioned column at partitioned column, wherein, cylindrical shell 4 upper surface center position has the manhole that diameter is 10mm, the ventilation square hole quantity of the every side of manhole is 3, the perforated area of ventilation square hole is 60% of lower surface area, distance between two pieces of parallel baffles of square separate slot 6 is 40mm, rotating shaft 10 top groove depth is 20mm, groove width is 5mm, the V-type angle of V-type cap 19 gets 30 °, the height of intake chute 20 is 20mm, square valve block governor motion 8 is square many valve blocks governor motions, square valve block 18 thickness is 5mm, square valve block 18 spacing gets 0.5 times of its height, controller is S7-200 Programmable Logic Controller (PLC).
Embodiment 2
According to Fig. 1, the embodiment that Fig. 2 and Fig. 3 provides is installed for the gas allocation device in partitioned column at partitioned column, wherein, cylindrical shell 4 upper surface center position has the manhole that diameter is 21mm, the ventilation square hole quantity of the every side of manhole is 4, the perforated area of ventilation square hole is 75% of lower surface area, distance between two pieces of parallel baffles of square separate slot 6 is 50mm, rotating shaft 10 top groove depth is 30mm, groove width is 10mm, the V-type angle of V-type cap 19 gets 75 °, the height of intake chute 20 is 40mm, square valve block governor motion 8 is square many valve blocks governor motions, square valve block 18 thickness is 8mm, square valve block 18 spacing gets 1.25 times of its height, controller is S7-200 Programmable Logic Controller (PLC).
Embodiment 3
According to Fig. 1, the embodiment that Fig. 2 and Fig. 3 provides is installed for the gas allocation device in partitioned column at partitioned column, wherein, cylindrical shell 4 upper surface center position has the manhole that diameter is 32mm, the ventilation square hole quantity of the every side of manhole is 6, the perforated area of ventilation square hole is 90% of lower surface area, distance between two pieces of parallel baffles of square separate slot 6 is 60mm, rotating shaft 10 top groove depth is 40mm, groove width is 15mm, the V-type angle of V-type cap 19 gets 120 °, the height of intake chute 20 is 60mm, square valve block governor motion 8 is square many valve blocks governor motions, square valve block 18 thickness is 10mm, square valve block 18 spacing gets 2 times of its height, controller is S7-200 Programmable Logic Controller (PLC).
Embodiment 4
The embodiment provided according to Fig. 1 and Fig. 3 is installed for the gas allocation device in partitioned column at partitioned column, and except wherein square valve block governor motion 8 is square single valve sheets, single square valve block 18 thickness is outside 5mm, and other are with embodiment 1.
Embodiment 5
The embodiment provided according to Fig. 1 and Fig. 3 is installed for the gas allocation device in partitioned column at partitioned column, and except wherein square valve block governor motion 8 is square single valve sheets, single square valve block 18 thickness is outside 7mm, and other are with embodiment 2.
Embodiment 6
The embodiment provided according to Fig. 1 and Fig. 3 is installed for the gas allocation device in partitioned column at partitioned column, and except wherein square valve block governor motion 8 is square single valve sheets, single square valve block 18 thickness is outside 10mm, and other are with embodiment 3.
In above-described embodiment, involved parts and installation and connection method thereof are all known by the art.
Claims (4)
1. for the gas allocation device in partitioned column, it is characterized in that: comprise flow detector, controller, cylindrical shell, square separate slot, downspout, inlet channel, square valve block governor motion, sleeve, rotating shaft, motor and gas distribution mechanism, wherein, distribution of gas mechanism is positioned at the lower end of the dividing plate of partitioned column tower body namely in the bottom of tower body, cylindrical shell is positioned at the below of distribution of gas mechanism, cylindrical shell is a hollow cylindrical structure, its upper surface center position has the manhole that diameter is 10 ~ 32mm, this manhole bilateral symmetry has regularly arranged ventilation square hole, the ventilation square hole quantity of every side is 3 ~ 6, this cylindrical shell lower surface center position also has manhole, its diameter is identical with the diameter of the manhole of upper surface, the manhole bilateral symmetry of center, lower surface respectively has a ventilation square hole, the perforated area of ventilation square hole is 60 ~ 90% of lower surface area, square separate slot is fixedly welded on the upper of cylindrical shell by two pieces of parallel dividing plates, lower surface place is formed, distance between these two pieces of parallel baffles is 40 ~ 60mm, square separate slot is positioned at the center position of cylindrical shell, inner barrel is divided into two independently spaces, it is inner that downspout is positioned at square separate slot, two ends are connected to the upper of above-mentioned cylindrical shell, the manhole place that lower surface center position is opened, downspout diameter is by upper, the diameter of the manhole that lower surface center position is opened determines, the length of downspout is determined by the number of falling liquid measure, to ensure that realizing fluid-tight to uprising gas is as the criterion, inlet channel is welded by square cylinder passage and square base plate, the circulation area of inlet channel is identical with the ventilation square hole area of above-mentioned cylindrical shell lower surface, base plate and the cylindrical shell lower surface of inlet channel are fixed together by bolt and nut, the sidewall center position of the square cylinder of inlet channel has circular hole, sleeve is made up of pipe and the square plate being welded on pipe bottom face, be fixed on out on the sidewall of the square cylinder of round-meshed inlet channel by square plate, sleeve and adopt shaft seal between cylindrical shell and tower body, rotating shaft is that reeded cylinder is opened on top, the degree of depth of groove is 20 ~ 40mm, the width of groove is 5 ~ 15mm, be fixedly connected in inlet channel by the rotating shaft top of sleeve inner and square valve block governor motion, the other end of rotating shaft is connected with motor, flow detector, controller is connected by wire line successively with motor, the detecting position of flow detector is setting in the exit position place of inlet channel, motor is according to the conditioning signal of controller, drive axis of rotation, and then drive square valve block governor motion, regulate the gas flow values in inlet channel.
2. said for the gas allocation device in partitioned column according to claim 1, it is characterized in that: described distribution of gas mechanism is made up of the regularly arranged gas passage that rises with V-type cap, rising gas channel seal is fixed on the ventilation square hole of cylindrical shell upper surface, the quantity rising gas passage is identical with the ventilation square hole of cylindrical shell upper surface, rise gas passage to be connected by intake chute with the V-type cap above it, the V-type angle of V-type cap gets 30 ~ 120 °, and the height of intake chute is 20 ~ 60mm.
3. said for the gas allocation device in partitioned column according to claim 1, it is characterized in that: described square valve block governor motion is square single valve sheet or square many valve blocks governor motion, and wherein many valve blocks governor motion is made up of inlet channel madial wall, connecting rod, adjustment rod member, connector, square valve block and rotating shaft, single square valve block is one piece of square plate, and single square throttle slice thickness is 5 ~ 10mm, and single square valve block sectional dimension is identical with inlet channel sectional dimension, in many valve blocks governor motion, square throttle slice thickness is 5 ~ 10mm, square valve block spacing gets 0.5 ~ 2 times of its height, square valve block two ends are connected on inlet channel madial wall by connector, rod member one end is regulated to be connected on square valve block, the other end is fixed on connecting rod, multiple square valve block is by connecting rod and regulate rod member to realize synchronous axial system, to drive the square valve block of center to rotate on the square valve block that rotating shaft is connected to center, the square valve block of center drives and regulates rod member to move, and then drive all square valve block of many valve blocks to rotate, the column structure of connector to be diameter be 3 ~ 5mm, one end is fixed on inlet channel madial wall, the other end is connected on square valve block.
4. said for the gas allocation device in partitioned column according to claim 1, it is characterized in that: described controller is S7-200 Programmable Logic Controller (PLC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310689401.8A CN103691144B (en) | 2013-12-12 | 2013-12-12 | Gas regulating and allocating device in baffle tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310689401.8A CN103691144B (en) | 2013-12-12 | 2013-12-12 | Gas regulating and allocating device in baffle tower |
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| Publication Number | Publication Date |
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| CN103691144A CN103691144A (en) | 2014-04-02 |
| CN103691144B true CN103691144B (en) | 2015-05-20 |
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| CN201310689401.8A Expired - Fee Related CN103691144B (en) | 2013-12-12 | 2013-12-12 | Gas regulating and allocating device in baffle tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3061507B1 (en) * | 2013-10-23 | 2018-06-20 | China Petroleum & Chemical Corporation | Partitioned column |
| CN106139627B (en) * | 2015-03-27 | 2018-02-09 | 中国石油化工股份有限公司 | A kind of demarcation strip rectifying column |
| CN106669214B (en) * | 2015-11-05 | 2019-01-08 | 中国石油化工股份有限公司大连石油化工研究院 | A kind of rectifying tower with bulkhead |
| KR101709754B1 (en) * | 2016-05-16 | 2017-02-23 | 베니트엠 주식회사 | VAPOR SPLITTER and METHOD FOR ADJUSTING VAPOR SPLIT RATIO |
| CN107398090B (en) * | 2016-05-21 | 2019-06-14 | 中国石油化工股份有限公司 | A kind of method of spliced intermediate bulkhead and bulkhead type rectification column and the traditional rectifying column of transformation |
| CN106823439B (en) * | 2017-03-03 | 2018-10-19 | 河北工业大学 | A kind of next door tower gas phase distribution ratio regulating device and control method |
| US11260317B2 (en) | 2017-11-14 | 2022-03-01 | Koch-Glitsch, Lp | Mass transfer assembly and column with dividing wall and methods involving same |
| CN108126366A (en) * | 2018-02-07 | 2018-06-08 | 河北工业大学 | A kind of improved next door tower gas phase distribution ratio regulating device |
| CN112675563B (en) * | 2019-10-18 | 2022-08-09 | 中国石油化工股份有限公司 | Gas phase regulating unit for a dividing wall column and dividing wall column comprising a gas phase regulating unit |
| CN112933647B (en) * | 2019-12-10 | 2022-07-08 | 中国石油化工股份有限公司 | Gas phase distribution control device and partition plate rectifying tower using same |
| CN111821921B (en) * | 2020-06-27 | 2022-03-18 | 淮阴工学院 | Air inlet device of chloromethane reaction tower |
| CN112774236B (en) * | 2020-12-10 | 2022-02-18 | 大连理工大学 | Shell-and-tube active gas phase distributor |
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| CN203620278U (en) * | 2013-12-12 | 2014-06-04 | 河北工业大学 | Gas mixing device applied in partition plate tower |
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| US8562792B2 (en) * | 2010-10-28 | 2013-10-22 | Uop Llc | Vapor and liquid flow control in a dividing wall fractional distillation column |
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| US4230533A (en) * | 1978-06-19 | 1980-10-28 | Phillips Petroleum Company | Fractionation method and apparatus |
| EP0755707A1 (en) * | 1995-07-24 | 1997-01-29 | The M. W. Kellogg Company | Partitioned distillation column |
| US7267746B1 (en) * | 2001-02-26 | 2007-09-11 | Uop Llc | Dividing wall distillation column control apparatus |
| CN102872609A (en) * | 2011-07-11 | 2013-01-16 | 中国石油化工股份有限公司 | Dividing wall rectifying tower |
| CN203620278U (en) * | 2013-12-12 | 2014-06-04 | 河北工业大学 | Gas mixing device applied in partition plate tower |
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| CN103691144A (en) | 2014-04-02 |
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