CN209575841U - A kind of mobile bed apparatus of efficient simulation - Google Patents
A kind of mobile bed apparatus of efficient simulation Download PDFInfo
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- CN209575841U CN209575841U CN201821885817.1U CN201821885817U CN209575841U CN 209575841 U CN209575841 U CN 209575841U CN 201821885817 U CN201821885817 U CN 201821885817U CN 209575841 U CN209575841 U CN 209575841U
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Abstract
The utility model discloses a kind of mobile bed apparatus of efficient simulation, the mobile bed apparatus of the efficient simulation, including adsorbent bed, raw material feed system, parsing agent feed system, the circulatory system, Extract system, raffinate system, program-controlled valve group and automatic control system；The utility model replaces the periodic conversion of traditional multipassage rotary valve control Simulation moving bed using program-controlled valve group, reduces equipment manufacturing cost；Identical as each line volume that adsorption column is connected in the utility model, the relative position of circulating pump in the zone is constant, therefore the flow of circulating pump is constant, and pressure oscillation is small, and control is simple.
Description
Technical field
The utility model belongs to Simulation moving bed separation technology field, and in particular to a kind of mobile bed apparatus of efficient simulation.
Background technique
Simulation moving bed is the separation equipment that lock out operation is carried out using absorption principle.Simulated moving bed technology is as continuous
There is the main representative of chromatography high production efficiency, organic solvent to consume less, mass transfer force is big, is convenient for automatic continuous production
The advantages that, it is widely used in the fields such as petrochemical industry, food industry and pharmacy, it is a complicated industrial process and influence
Numerous non-linear, non-equilibrium, non-ideal, the multivariant periodic process of factor.
Fixed adsorption bed is divided into many sections by Simulation moving bed, and section is provided with adsorbent, and liquid cannot directly circulate between section.
Every section is respectively arranged with inlet and outlet pipeline, controls its disengaging by multipassage rotary valve.Typically, it is moved in the simulation with 8 adsorption columns
In dynamic bed, 20 in 24 inlet and outlet only are play a part of to contact between section, and another 4 supply the entrance of four strands of materials or separate out, a certain
Entire adsorption bed is divided into four areas by the material import and export position of moment, and each offset is from Length discrepancy, every section of interphase mass transfer
It is different.
Simulation moving bed makes the inlet and outlet of four materials with synchronous with the variation of solid concentration using multipassage rotary valve
Speed moves up.In this way, constituting a closed circuit, the long and and holding inlet and outlet position are motionless, and solid absorbent is being inhaled
The effect moved from top to bottom in adnexa is essentially identical, to reach separating effect.And realize that the core equipment of this process is exactly
Multipassage rotary valve is switched by the rotation of multipassage rotary valve come the periodicity of implementation process, to reach separation product
Purpose.
In the prior art, CN100453867C discloses a kind of for the 36 logical of simulated moving bed with high performance liquid preparative chromatography
Rotary valve, 36 way rotary valve are connected by the stepper motor that belt is equipped with synchronous pulley with one, described 36 logical rotations
Valve mainly includes quiet disk and the housing that is mounted on quiet disk, there is transmission shaft between quiet disk and housing, and one end insertion of transmission shaft is quiet
In the centre bore of disk, the other end is pierced by housing and installs another synchronous pulley, and the circumferential edge of quiet disk and housing is equipped with sealing ring simultaneously
It is uniformly fixed；Also successively there are Moving plate, drive disk, disk spring, adjustment cushion block and thrust axis between quiet disk and housing from bottom to up
It holds.36 way rotary valve is compact-sized, dead volume is small, considerably reduces the failure rate of Simulation moving bed equipment；But this 36
Way rotary valve cost is higher, is not easy to disassembly maintenance, needs Simulation moving bed device really to stop work when replacing adsorbent, this is just dropped
Low device long-term operation ability.
It has been the prior art that sequencing valve, which is used for Simulation moving bed, Axens Eluxyl simulated moving bed technology with
Sorpx simulated moving bed technology is also to be controlled by n*24 program-controlled valve groups.But each pipe being connected due to it with adsorption column
Line volume is different, while the relative position cyclically-varying of circulating pump in the zone, and therefore, pump flow is big with region
Amplitude variation, control is difficult, and pressure oscillation is big.
Utility model content
For above-mentioned technical problem existing for Simulation moving bed in the prior art, the purpose of this utility model is open a kind of
The mobile bed apparatus of efficient simulation and efficient simulation moving bed process.The utility model replaces traditional multi-pass using program-controlled valve group
Road rotary valve controls the periodic conversion of Simulation moving bed, reduces equipment manufacturing cost；Program-controlled valve group can require flexibly to cut according to maintenance
Out, facilitate overhaul of the equipments；Every adsorption column can cut out maintenance, cut system, device long-term operation energy after replacing adsorbent
Power greatly improves.Meanwhile identical as each line volume that adsorption column is connected in the utility model, circulating pump in the zone opposite
Position is constant, therefore the flow of circulating pump is constant, and pressure oscillation is small, and control is simple.
The first aspect of the utility model discloses a kind of mobile bed apparatus of efficient simulation, and its technical solution is as follows.
A kind of mobile bed apparatus of efficient simulation, including adsorbent bed, raw material feed system, parsing agent feed system, cyclic system
System, Extract system, raffinate system, program-controlled valve group and automatic control system；Wherein, the adsorbent bed includes several
Adsorption column is divided into adsorption zone, purification section, desorption area；
The upper end of adsorption column described in each is provided with feedstock valve, parsing agent inlet valve, circulation fluid inlet valve；
The lower end of adsorption column described in each is provided with raffinate outlet valve, Extract outlet valve；
Check valve is set between adjacent two adsorption columns；
The raw material feed system connects the feedstock valve of each adsorption column；
The parsing agent feed system connects the parsing agent inlet valve of each adsorption column；
The circulatory system includes circulating pump, and the circulatory system connects each adsorption column by circulating pump
Circulation fluid inlet valve；
The Extract system connects the Extract outlet valve of each adsorption column；
The raffinate system connects the raffinate outlet valve of each adsorption column；
All valves form sequencing valve group, and program-controlled valve group is connected with automatic control system, and automatic control system can control
The open and close state of each valve in program-controlled valve group.
Preferably, the adsorption column is 3~100.
Preferably, the adsorption column is 8*N root, wherein N is the integer more than or equal to 1.
Preferably, the raw material feed system includes raw material pump and the feed heater positioned at raw material pump downstream, original
Expect that warmer exit line connects adsorption column；
The parsing agent feed system includes parsing agent pump and the parsing agent heater positioned at parsing agent pump downstream, solution
It analyses agent warmer exit line and connects adsorption column；
The Extract system includes extraction liquid pump, the Extract pipeline of extraction liquid pump connection adsorbent bed；
The raffinate system includes raffinate liquid pump, and raffinate liquid pump connects the raffinate pipeline of adsorbent bed；
The Extract pipeline of the feed inlet connection adsorbent bed of the circulating pump of the circulatory system.
Preferably, valve types in the program-controlled valve group are independent to be selected as ball valve, needle-valve, shut-off valve, butterfly
One of valve.Preferably, executing agency is pneumatically or electrically.
Preferably, the relative position of the circulating pump in the zone is constant.
Preferably, the connecting pipeline volume between each adsorption column is identical.
Preferably, the line volume that each adsorption column is connected to circulating pump is identical.
Preferably, which is characterized in that the adsorption zone further includes buffer area, that is, the adsorbent bed is divided into adsorption zone, mentions
Pure area, desorption area and buffer area.
The second aspect of the utility model is disclosed is moved using the efficient simulation of the mobile bed apparatus of above-mentioned efficient simulation
Dynamic bed process, its technical solution is as follows.
A kind of efficient simulation moving bed process using the mobile bed apparatus of the efficient simulation, control valve switch to change
The position for becoming each input and output material realizes adsorption zone, purification section, the simulation movement that area is desorbed.
Preferably, control valve switching to be to change the position of each input and output material, realize adsorption zone, purification section, desorption area,
The simulation of buffer area is mobile.
Preferably, the adsorption column is 8, and the efficient simulation moving bed process is specifically:
0-t timing, open adsorption column 1 check valve A1, parsing agent inlet valve A2, adsorption column 2 parsing agent inlet valve B2,
Extract outlet valve B6, the circulation fluid inlet valve C4 of adsorption column 3, the check valve D1 of adsorption column 4, the check valve E1 of adsorption column 5, original
Expect the check valve of inlet valve E3, the check valve F1 of adsorption column 6, raffinate outlet valve F5, the check valve G1 of adsorption column 7, adsorption column 8
H1 is opened, remaining valve is closed；
At this point, adsorption zone is adsorption column 5 and adsorption column 6, raw material enters adsorption column 5 and adsorption column 6, to target product component
It is adsorbed, non-target components is flowed out by outlet；
Purification section is adsorption column 3 and adsorption column 4, drives circulation fluid to enter adsorption column 3 and adsorption column 4 by circulating pump, will be upper
The target product component adsorbed in a period is purified；
It is adsorption column 1 and adsorption column 2 that area, which is desorbed, and the solution for driving parsing agent and part from buffer area is pumped by parsing agent
Vapor enters adsorption column 1 and adsorption column 2, and the target product component in the last period by purification is eluted, and extracts system out, reaches
To the purpose of adsorbing separation；
Buffer area is adsorption column 7 and adsorption column 8, and the target product component in raw material has largely been adsorbed in adsorption zone,
The mixed liquor of remaining a large amount of non-target components and a small amount of target components enters buffer area, waits the progress of next cycle；
Control valve switches to change the position of t-2t, 2t-3t, 3t-4t timing input and output material, realizes adsorption zone, purification
Area, desorption area, the simulation of buffer area are mobile.
The utility model achieves beneficial effect.
The utility model is high for multipassage rotary valve cost existing in the prior art, be not easy to overhaul, device is transported for a long time
Turn that ability is poor, is difficult to the technical issues of controlling, a kind of mobile bed apparatus of efficient simulation is creatively proposed, using program-controlled valve group
Instead of the periodic conversion of traditional multipassage rotary valve control Simulation moving bed, equipment manufacturing cost is reduced；Program-controlled valve group can basis
Maintenance requires flexibly to cut out, and facilitates overhaul of the equipments；Every adsorption column can cut out maintenance, cut system after replacing adsorbent, fill
Long-term operation ability is set to greatly improve.Identical as each line volume that adsorption column is connected in the utility model, circulating pump is in area
Relative position in domain is constant, therefore the flow of circulating pump is constant, and pressure oscillation is small, and control is simple.
Detailed description of the invention
Fig. 1 is the schematic diagram of the Simulation moving bed equipment in the prior art using multipassage rotary valve.
Fig. 2 is a kind of schematic diagram of the mobile bed apparatus of efficient simulation of the utility model.
Specific embodiment
Fig. 1 is the schematic diagram of the Simulation moving bed equipment in the prior art using multipassage rotary valve.Simulation moving bed
Fixed adsorption bed is divided into many sections, section is provided with adsorbent, by the rotation of multipassage rotary valve come the period of implementation process
Property switching, entire adsorption bed is divided into four areas by certain flashy material import and export position, and Simulation moving bed utilizes multi-pass
Road rotary valve moves up the inlet and outlet of four materials with the speed synchronous with the variation of solid concentration.It is closed back in this way, constituting one
Road, the long and and holding inlet and outlet position are motionless, and the effect base that solid absorbent moves from top to bottom in absorber
This is identical, to reach the separating effect of component A and B component.And realize that the core equipment of this process is exactly multipassage rotary valve,
To achieve the purpose that separate product.The prior art uses the Simulation moving bed of multipassage rotary valve there are cost height, is not easy to examine
Repair, the long-term running ability of device is poor, is difficult to the technical issues of controlling, affect the separating effect of Simulation moving bed.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of new and effective Simulation moving bed equipment, below
In conjunction with specific embodiments and the technical solution of the utility model is described in detail in attached drawing.
Embodiment 1
Referring to fig. 2, by taking the adsorbent bed of 8 adsorption columns composition as an example.
A kind of mobile bed apparatus of efficient simulation, including adsorbent bed, raw material feed system, parsing agent feed system, cyclic system
System, Extract system, raffinate system, program-controlled valve group and automatic control system；Wherein, the adsorbent bed several absorption
Column is divided into adsorption zone, purification section, desorption area and buffer area (it should be pointed out that the present embodiment is used comprising adsorption zone, mentioned
The adsorbent bed in pure area, desorption area and buffer area, but buffer area is not necessary to choosing for the present invention, belonging to can
Choosing)；
The upper end of adsorption column 1-8 is respectively arranged with feedstock valve A3, B3, C3, D3, E3, F3, G3, H3, parsing agent charging
Valve A2, B2, C2, D2, E2, F2, G2, H2, circulation fluid inlet valve A4, B4, C4, D4, E4, F4, G4, H4；
The lower end of adsorption column 1-8 is respectively arranged with raffinate outlet valve A5, B5, C5, D5, E5, F5, G5, H5, and Extract goes out
Expect valve A6, B6, C6, D6, E6, F6, G6, H6；
Check valve A1, B1, C1, D1, E1, F1, G1, H1 are set between adjacent two adsorption columns；
The raw material feed system connect the feedstock valve A3, B3 of each adsorption column, C3, D3, E3, F3, G3,
H3；
The parsing agent feed system connect the parsing agent inlet valve A2, B2 of each adsorption column, C2, D2, E2, F2,
G2,H2；
The circulatory system includes circulating pump, and the circulation fluid feed system connects each suction by circulating pump
Circulation fluid inlet valve A4, B4, C4, D4, E4, F4, G4, H4 of attached column；
The Extract system connect the Extract outlet valve A6, B6 of each adsorption column, C6, D6, E6, F6, G6,
H6；
The raffinate system connect the raffinate outlet valve A5, B5 of each adsorption column, C5, D5, E5, F5, G5,
H5；
In the present embodiment, the relative position of the circulating pump in the zone is constant, therefore the flow of circulating pump is constant, often
Connecting pipeline volume between a piece adsorption column is identical, and the line volume that each adsorption column is connected to circulating pump is identical.Therefore,
The flow of the circulating pump of the present embodiment is constant, and pressure oscillation is small, and control is simple.
In the present embodiment, all valves form sequencing valve group, and program-controlled valve group is connected with automatic control system, automatically control system
System can control the open and close state of each valve in program-controlled valve group.
Selectable as the improvement of the present embodiment, the raw material feed system includes that raw material pumps and be located at raw material
The feed heater in downstream is pumped, feed heater outlet line connects adsorption column；Raw material pump can provide charging for feedstock
Power, and feed heater can heat the raw material to appropriate problem, improve adsorption activity, specific pumping pressure and heating temperature
Degree is determined according to the characteristics of object separation system.
Selectable as the improvement of the present embodiment, the parsing agent feed system includes parsing agent pump and is located at
The parsing agent heater in agent pump downstream is parsed, parsing agent warmer exit line connects adsorption column；Parsing agent pump can be parsing
Agent charging provides charging power, and parsing agent can be heated to suitable temperature by parsing agent heater, improve analytic ability, specifically
Pumping pressure and heating temperature determined according to the characteristics of object separation system.
Selectable as the improvement of the present embodiment, the Extract system includes extraction liquid pump, extraction liquid pump connection
The Extract pipeline of adsorbent bed.It extracts liquid pump out and the extraction power of Extract is provided.
Selectable as the improvement of the present embodiment, the raffinate system includes raffinate liquid pump, the connection of raffinate liquid pump
The raffinate pipeline of adsorbent bed.The extraction power of raffinate liquid pump offer raffinate.
Selectable as the improvement of the present embodiment, the feed inlet of the circulating pump of the circulatory system connects adsorbent bed
Extract pipeline；Extract is recycled.
It is selectable as the improvement of the present embodiment,
Valve types in the program-controlled valve group are independent to be selected as ball valve, needle-valve, shut-off valve, one in butterfly valve
Kind；That is 56 valves of the present embodiment independent are one of ball valve, needle-valve, shut-off valve, butterfly valve, are not had between each other
Interference.Valve actuator is pneumatically or electrically.
Selectable as the improvement of the present embodiment, the relative position of the circulating pump in the zone is constant, therefore follows
The flow of ring pump is constant, and the connecting pipeline volume between each adsorption column is identical, and each adsorption column is connected to circulating pump
Line volume is identical.Therefore, the flow of the circulating pump of the present embodiment is constant, and pressure oscillation is small, and control is simple.
Embodiment 2
Using the simulated moving bed technology of the Simulation moving bed equipment of 8 adsorption columns of embodiment 1, control valve switching with
The position for changing each input and output material realizes the simulation movement of adsorption zone, purification section, desorption area, buffer area.Specific procedure control
Step sequence is:
0-t timing, open adsorption column 1 check valve A1, parsing agent inlet valve A2, adsorption column 2 parsing agent inlet valve B2,
Extract outlet valve B6, the circulation fluid inlet valve C4 of adsorption column 3, the check valve D1 of adsorption column 4, the check valve E1 of adsorption column 5, original
Expect the check valve of inlet valve E3, the check valve F1 of adsorption column 6, raffinate outlet valve F5, the check valve G1 of adsorption column 7, adsorption column 8
H1 is opened, remaining valve is closed；
At this point, adsorption zone is adsorption column 5 and adsorption column 6, raw material enters adsorption column 5 and adsorption column 6, to target product component
It is adsorbed, non-target components is flowed out by outlet；
Purification section is adsorption column 3 and adsorption column 4, drives circulation fluid to enter adsorption column 3 and adsorption column 4 by circulating pump, will be upper
The target product component adsorbed in a period is purified；
It is adsorption column 1 and adsorption column 2 that area, which is desorbed, and the solution for driving parsing agent and part from buffer area is pumped by parsing agent
Vapor enters adsorption column 1 and adsorption column 2, and the target product component in the last period by purification is eluted, and extracts system out, reaches
To the purpose of adsorbing separation；
Buffer area is adsorption column 7 and adsorption column 8, and the target product component in raw material has largely been adsorbed in adsorption zone,
The mixed liquor of remaining a large amount of non-target components and a small amount of target components enters buffer area, waits the progress of next cycle；
Control valve switches to change the position of t-2t, 2t-3t, 3t-4t timing input and output material, realizes adsorption zone, purification
Area, desorption area, the simulation of buffer area are mobile.
The valve of 0-1t, t-2t, 2t-3t, 3t-4t timing is controlled referring to table 1- table 4.
The valve of 1 0-1t timing of table controls
The valve of 2 t-2t timing of table controls
The valve of 3 2t-3t timing of table controls
The valve of 4 3t-4t timing of table controls
Claims (9)
1. a kind of mobile bed apparatus of efficient simulation, which is characterized in that including adsorbent bed, raw material feed system, parsing agent charging system
System, the circulatory system, Extract system, raffinate system, program-controlled valve group and automatic control system；Wherein, the adsorbent bed
Including several adsorption columns, it is divided into adsorption zone, purification section, desorption area；
The upper end of adsorption column described in each is provided with feedstock valve, parsing agent inlet valve, circulation fluid inlet valve；
The lower end of adsorption column described in each is provided with raffinate outlet valve, Extract outlet valve；
Check valve is set between adjacent two adsorption columns；
The raw material feed system connects the feedstock valve of each adsorption column；
The parsing agent feed system connects the parsing agent inlet valve of each adsorption column；
The circulatory system includes circulating pump, and the circulatory system connects the circulation of each adsorption column by circulating pump
Liquid inlet valve；
The Extract system connects the Extract outlet valve of each adsorption column；
The raffinate system connects the raffinate outlet valve of each adsorption column；
All valves form sequencing valve group, and program-controlled valve group is connected with automatic control system, and automatic control system can control program-controlled
The open and close state of each valve in valve group.
2. a kind of mobile bed apparatus of efficient simulation according to claim 1, which is characterized in that the adsorption column is 3~
100.
3. the mobile bed apparatus of a kind of efficient simulation according to claim 1, which is characterized in that the adsorption column is 8*N
Root, wherein N is the integer more than or equal to 1.
4. the mobile bed apparatus of a kind of efficient simulation according to claim 1-3, which is characterized in that the raw material
Feed system includes raw material pump and the feed heater positioned at raw material pump downstream, the connection absorption of feed heater outlet line
Column；
The parsing agent feed system includes parsing agent pump and the parsing agent heater positioned at parsing agent pump downstream, parses agent
Warmer exit line connects adsorption column；
The Extract system includes extraction liquid pump, the Extract pipeline of extraction liquid pump connection adsorbent bed；
The raffinate system includes raffinate liquid pump, and raffinate liquid pump connects the raffinate pipeline of adsorbent bed；
The Extract pipeline of the feed inlet connection adsorbent bed of the circulating pump of the circulatory system.
5. the mobile bed apparatus of a kind of efficient simulation according to claim 1-3, which is characterized in that described is program-controlled
Valve types in valve group are independent to be selected as one of ball valve, needle-valve, shut-off valve, butterfly valve；Executing agency is pneumatic
Or it is electronic.
6. the mobile bed apparatus of a kind of efficient simulation according to claim 1-3, which is characterized in that the circulation
The relative position of pump in the zone is constant.
7. the mobile bed apparatus of a kind of efficient simulation according to claim 1-3, which is characterized in that each absorption
Connecting pipeline volume between column is identical.
8. the mobile bed apparatus of a kind of efficient simulation according to claim 1-3, which is characterized in that each absorption
The line volume that column is connected to circulating pump is identical.
9. the mobile bed apparatus of a kind of efficient simulation according to claim 1-3, which is characterized in that the adsorption zone
It further include buffer area.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432822A (en) * | 2018-11-14 | 2019-03-08 | 内蒙古伊泰煤基新材料研究院有限公司 | A kind of mobile bed apparatus of efficient simulation and efficient simulation moving bed process |
-
2018
- 2018-11-14 CN CN201821885817.1U patent/CN209575841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432822A (en) * | 2018-11-14 | 2019-03-08 | 内蒙古伊泰煤基新材料研究院有限公司 | A kind of mobile bed apparatus of efficient simulation and efficient simulation moving bed process |
| CN109432822B (en) * | 2018-11-14 | 2023-09-29 | 内蒙古伊泰煤基新材料研究院有限公司 | Efficient simulated moving bed equipment and efficient simulated moving bed process |
| US11980833B2 (en) | 2018-11-14 | 2024-05-14 | Inner Mongolia Yitai Coal-Based New Materials Research Institute Co., Ltd. | Efficient simulated moving bed device and efficient simulated moving bed process |
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