CN203907217U - A pipeline system and an adsorption separation system - Google Patents

Abstract

The utility model provides a pipeline system and an adsorption separation system. The pipeline system comprises a main material inlet and outlet pipe and a collecting pipe which are communicated with each other. The collecting pipe comprises a plurality of side line pipes which are communicated with the collecting pipe through tee joints. Each tee joint comprises a main pipe, a branch pipe and a baffle plate disposed in the main pipe. The pipeline system and the adsorption separation system are simple in structure and easy to manufacture; all material pipes are connected to the same collecting pipe successively, so that the total size of outer pipelines of beds of the adsorption separation system is reduced and the volume of a flushing fluid is reduced; the tee joints are adopted for connecting the collecting pipe and the material pipes, so that the pipeline pollution caused by material switching is reduced as much as possible; a uniform control system controls the valves corresponding to all the bed pipelines and thus the control is easy. Therefore, the purity of products in an extraction liquid and the final yield can be increased, the loss of a strippant is reduced and the energy loss of the whole adsorption separation operation is reduced.

Description

Pipe-line system and a kind of adsorption separation system

Technical field

The utility model relates to a kind of pipe-line system, and a kind of adsorption separation system.More particularly, relate to the pipe-line system on a kind of adsorption tower that is particularly suitable for moving-bed adsorption separation process, and a kind of moving-bed adsorption piece-rate system for adsorbing separation.

Background technique

In petrochemical industry, the process that the fluid carrying out in containing the container of solid particle contacts with solid particle is widely used in operations such as adsorbing separation, catalytic reaction.Wherein, adsorbing separation is stripping technique conventional in petrochemical industry, and the purification of the mixture close for structure, boiling-point difference is very little has extraordinary effect.Equipment for adsorbing separation has fixed bed, moving bed and simulation moving-bed, and wherein simulation moving-bed is the capital equipment that current adsorbing separation adopts.

In simulation moving-bed, fixing phase sorbent can be envisioned for is contraryly in material movement direction, to move, certain in the middle part of mask work district of mixed material to be separated is a bit inputted continuously, the ratio of the flow velocity that selected both direction is mobile, feed liquid is just divided into two-part of reverse flow from ingress, take feed entrance as reference point, and sorbent seems to have adsorbed product and moves up, and is therefore called " simulation moving-bed ".Position more than feed points is higher, and product purity is just higher, and by-product is in the opposite direction enrichment.Simulation moving-bed throughput and separation effect are higher than fixed adsorption bed, can avoid again the channel between moving bed adsorption wearing and tearing, fragment or dust occluding device or pipeline and solid particle seam.

When fluid is flowed through the simulation moving-bed equipment that contains solid particle bed, in order to reach the mobile effect of solid particle simulation being fixed in bed, must a series of material turnover pipelines be set at each bed.By the turnover of carrying out different material at each bed regularly, switch, reach the solid particle object that reverse flow contacts in bed with fluid.Meanwhile, because material switches, must cause pollution to a certain degree in pipeline.Therefore, must design a kind of rational bed line construction and drip washing equipment, eliminate material and switch the bed external pipeline pollution causing, improve product purity and the yield of moving-bed adsorption separation process.

US5478475 provides the rotary bed external pipeline of a kind of multichannel to pass in and out control gear.This device is divided into upper and lower two-part, and top is divided into conduit valve, connects respectively charging, desorbent, Extract, raffinate and some strands of washing solution storage tanks; Bottom is divided into rotary valve, is connected respectively with each bed.By synchronization timing, rotate, this device can be communicated with the material in conduit valve with the bed of appointment, and different materials is imported or extracts different beds out, realizes the simulation continuous moving of the interior solid particle of bed in whole adsorption tower.This multichannel rotating equipment is simple to operate, has good synchronism, but complex structure easily leaks, and is not easy to be applied in fairly large device.

Chinese patent application 200510074341.4 discloses a kind of and similar multichannel rotary valve of US5478475, difference is that conduit valve is except being communicated with charging, desorbent, Extract and raffinate storage tank, also be connected with a circulation rinsing liquid pipeline, realize the drip washing of pipeline, and independent washing solution pipeline is no longer set.

Chinese patent application 97114507.5 discloses simulation moving-bed drip washing equipment, and this equipment comprises at least one drip washing valve in every distribution circuit of each bed, and this group drip washing valve is connected with at least one circulation loop that moves fluid.The distribution pipeline of each bed also comprises one group of material distribution pipeline, comprises respectively: raw material, desorbent, Extract and raffinate.All distribution pipelines are all equipped with a valve, and are connected with unlatching or the closing control member of these valves.This drip washing equipment simple in structure, can be applied in the equipment of different scales, but controls more complicated, and the drip washing pipeline of circulation can cause extra energy consumption.

In sum, the bed external pipeline using at present and drip washing equipment also exist following problem to need to improve: (1) complicated structure; (2) contact probability of the material that can not effectively reduce mutual pollution in pipeline; (3) after material switches, the pollution in pipeline is rinsed insufficient; (4) cycling elution mode causes extra energy consumption.

Model utility content

It is high that the technical problems to be solved in the utility model is to provide a kind of separation purity for adsorbing separation simple in structure, pollutes little pipe-line system and adsorption separation system.

For realizing aforementioned object, according to first aspect of the present utility model, the utility model provides a kind of pipe-line system, and this pipe-line system comprises: the total feed and exhaust tube and the Manifolds that are interconnected, and described Manifolds comprises many lateral line canals, described many lateral line canals are communicated with described Manifolds by threeway separately, wherein, described threeway comprises supervisor and arm, and is arranged on the baffle plate in described supervisor, wherein, the angle of described baffle plate and described supervisor's medial axis is for being greater than 0 ° to being less than or equal to 90 °.

Preferably, the angle of described baffle plate and described supervisor's medial axis be 30 ° to being less than or equal to 90 °.

Preferably, described baffle plate is vertical with described supervisor's medial axis, and described baffle plate extends to the end of described arm.

Preferably, on described baffle plate, be provided with opening.

Preferably, described opening is the perforate that a plurality of parallel bars stitch and/or evenly arrange.

Preferably, the opening rate of described baffle plate is 15-40%.

Preferably, described lateral line canal is 4-10 root.

Preferably, described lateral line canal comprises that raw material imports pipeline, raffinate is derived pipeline, Extract derivation pipeline, desorbent importing pipeline and clean-up line.

Preferably, the jointing of described total feed and exhaust tube and Manifolds of take is starting point, and described raffinate derives pipeline and raw material imports pipeline, Extract derives pipeline and desorbent imports pipeline, clean-up line is from the close-by examples to those far off arranged on described Manifolds successively.

Preferably, described clean-up line is 3-6 root.

Preferably, on described many lateral line canals, be provided with valve.

Preferably, described pipe-line system also comprises for controlling the control system of described valve switch.

According to second aspect of the present utility model, the utility model provides a kind of adsorption separation system, this adsorption separation system comprises adsorbing separation device and pipe-line system, in described adsorbing separation device, comprise particle layers and fluid distributor, described pipe-line system is pipe-line system described in the utility model, and described pipe-line system is communicated with the fluid distributor in described adsorbing separation device by described total feed and exhaust tube.

Preferably, described fluid distributor is a plurality of, and described in each, fluid distributor connects separately a described pipe-line system separately.

Preferably, described fluid distributor is 2-30, is more preferably 10-24.

Preferably, this adsorption separation system also comprises: import with raw material raw material storage tank, the raffinate storage tank being communicated with raffinate derivation pipeline, the Extract storage tank being communicated with Extract derivation pipeline, the desorbent storage tank being communicated with desorbent importing pipeline and the washing solution storage tank being communicated with clean-up line that pipeline is communicated with.

Preferably, described control system is for making the control system that guarantees that in each stepping time in adsorbing separation device, each particle layers is communicated with a lateral line canal at most by controlling the switch of the valve on every lateral line canal.

Preferably, described control system is the operation of adsorbing separation device to be at least divided into and to comprise importing raw material by controlling the switch of the valve on every lateral line canal, imports desorbent, import washing solution, extract the control system of 5 basic step-by-step operations of Extract and extraction raffinate out.

Preferably, described adsorbing separation device at least comprises 5 particle layers, and the control system of described control system for can described 5 particle layers being communicated with respectively with importing feed line, extraction raffinate pipeline, extraction Extract pipeline, importing desorbent pipeline and clean-up line by controlling the switch of the valve on every lateral line canal.

Preferably, described adsorbing separation device is moving-bed adsorption tower.

Compared with prior art, the utlity model has following advantage:

Pipe-line system and adsorption separation system that the utility model provides are simple in structure, easily realize; All materials are connected in turn on same Manifolds, have reduced the total volume of adsorption separation system bed external pipeline, thereby reduced the volume of washing solution; By using componentization threeway articulation set pipe and each strand of material, farthest reduced material and switched the pipeline pollution causing; Unified control system is controlled valve corresponding to all bed pipelines, is convenient to control.Above advantage can effectively improve purity and the ultimate yield of product in Extract, reduces the loss of desorbent, reduces the energy consumption of whole adsorbing separation operation.

Other feature and advantage of the present utility model partly in detail are described the embodiment subsequently.

Accompanying drawing explanation

Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:

The structural representation of the pipe-line system that Fig. 1 provides for the utility model;

The sectional drawing of the threeway that Fig. 2 provides for the utility model;

The plan view of the threeway that Fig. 3 provides for the utility model;

Fig. 4 is according to a kind of pipe-line system preferred embodiment of the present utility model;

Fig. 5 is the pipe-line system according to another preferred embodiment of the present utility model;

The structural representation of the adsorption separation system that Fig. 6 provides for the utility model.

Embodiment

Below embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.

Below in conjunction with accompanying drawing, the utility model is described in detail.

As previously mentioned, the utility model provides a kind of pipe-line system, as shown in Figure 1, this pipe-line system comprises: the total feed and exhaust tube 4 being interconnected and Manifolds 5, described Manifolds 5 comprises many lateral line canals, described many lateral line canals are communicated with described Manifolds 5 by threeway 6 separately, wherein, as shown in Figure 2, described threeway 6 comprises supervisor 15 and arm 16, and be arranged on the baffle plate 14 in described supervisor 15, wherein, the angle of described baffle plate 14 and described supervisor's 15 medial axis is for being greater than 0 ° to being less than or equal to 90 °.

According to the utility model, the angle of preferred described baffle plate 14 and described supervisor's 15 medial axis be 30 ° to being less than or equal to 90 °.

According to the utility model, more preferably the angle of described baffle plate 14 and described supervisor's 15 medial axis be 60 ° to being less than or equal to 90 °.

According to of the present utility model preferred embodiment a kind of, described baffle plate 14 is vertical with described supervisor's 15 medial axis.

According to of the present utility model preferred embodiment a kind of, described baffle plate 14 extends to the end (or claim outer) of described arm 16, and more preferably described baffle plate 14 is parallel or by the medial axis of described arm 16, extend to the end of described arm 16.While so rinsing described pipeline, can make the lateral line canal being communicated with described arm 16 fully rinse, thereby can improve the purity of target product.

According to of the present utility model preferred embodiment a kind of, described baffle plate 14 traverses whole threeway cross section to maximize the effect of described baffle plate 14.Be that described baffle plate 14 is identical as shown in Fig. 3 B, 3D with the sectional shape of described threeway (6).

According to a kind of preferred mode of execution of the present utility model, described baffle plate 14 is vertical with described supervisor's 15 medial axis, and described baffle plate 14 extends to the end of described arm 16 by the medial axis of described arm 16.While so rinsing described pipeline, can make the lateral line canal being communicated with described arm 16 rinse the most fully, thereby can improve the purity of target product.

According to of the present utility model preferred embodiment a kind of, as shown in Fig. 3 B, 3C, 3D, on described baffle plate 14, be provided with opening 17.Wherein, Fig. 3 A is the plan view that baffle plate 14 does not arrange a kind of mode of execution of opening.

According to of the present utility model preferred embodiment a kind of, the perforate (as shown in Fig. 3 B, 3C) that described opening 17 stitches (as shown in Figure 3 D) and/or evenly arranges for a plurality of parallel bars.

According to the utility model, if described baffle openings rate is too small, may cause pipe-line system internal drop larger, flow velocity is excessively slow, causes whole system efficiency too low, and if opening rate is excessive may cause system internal drop less, flow velocity is too fast, cause the material lateral line canal of fully not flowing through, thereby while making to rinse, rinse fully not, do not have and put forward highly purified effect, consider, the opening rate of preferred described baffle plate 14 is 15-40%.

According to the utility model, described threeway (6) can be the threeway of prior art, it can be equal tee (as shown in Fig. 3 A, 3C, 3D), also can be reducing tee (as shown in Figure 3 B), be responsible for 15 caliber D different from the caliber d of arm 16 (as shown in Figure 2, shown in Fig. 3 B).

According to the utility model, in order to be communicated with described lateral line canal and described Manifolds 5, the supervisor 15 of described threeway is connected with Manifolds 5, the arm 16 of threeway is connected with lateral line canal, according to the utility model, more preferably be responsible for the caliber that 15 caliber is more than or equal to Manifolds 5, and the caliber of arm 16 is identical with the caliber of lateral line canal.

According to the utility model, the radical of described lateral line canal can carry out choose reasonable according to actual demand, and for the utility model, when described pipe-line system is used for moving-bed adsorption tower, preferred described lateral line canal is 4-10 root.

According to of the present utility model preferred embodiment a kind of, as shown in Figure 1, preferred described lateral line canal comprises that raw material F imports pipeline 7, raffinate R derives pipeline 8, Extract E derivation pipeline 9, desorbent D importing pipeline 10 and clean-up line 11.

In the utility model, the principle that preferred feedstock F importing pipeline 7, raffinate R derivation pipeline 8, Extract E derivation pipeline 9, desorbent D importing pipeline 10 and clean-up line 11 are arranged on Manifolds 5 is: contain and affect the more material of the material of Extract E purity and yield, as raw material F imports pipeline 7 and raffinate R derivation pipeline 8, be arranged on the position near total feed and exhaust tube 4; Contain and affect the less material of the material of Extract E purity and yield, as desorbent D imports pipeline 10 and Extract E derivation pipeline 9, be arranged on the position away from total feed and exhaust tube 4 pipes; Clean-up line 11 is placed in the end of whole Manifolds 5, makes to rinse material and can flow through whole pipe-line system.

According to aforementioned principle, according to a kind of preferred mode of execution of the present utility model, as shown in Figure 1, the jointing of described total feed and exhaust tube 4 and Manifolds 5 of take is starting point, and described raffinate R derives pipeline 8 and raw material F imports pipeline 7, Extract E derives pipeline 9 and desorbent D imports pipeline 10, clean-up line 11 is from the close-by examples to those far off arranged on described Manifolds 5 successively.

Wherein, under above-mentioned restrictive condition, described raffinate R derives pipeline 8, raw material F imports pipeline 7 and can from the close-by examples to those far off arrange (as shown in Figure 5), and also can draw near (as shown in Figure 4) arranges.

Equally, under above-mentioned restrictive condition, Extract E derives pipeline 9, desorbent D imports pipeline 10 and can from the close-by examples to those far off arrange (as shown in Figure 4), and also can draw near (as shown in Figure 5) arranges.

According to the utility model, in order to make described clean-up line can fully switch different washing solutions, preferred described clean-up line 11 is 3-6 root, for example, when described lateral line canal comprises that raw material F imports pipeline 7, raffinate R derivation pipeline 8, Extract E derivation pipeline 9, desorbent D importing pipeline 10, described clean-up line at least comprises 4.

According to the utility model, in described pipe-line system, the shape of various pipes, without specific (special) requirements, is preferably to pipe.

According to the utility model, to the caliber of described total feed and exhaust tube 4 and Manifolds 5 without specific (special) requirements, can be isometrical, also can reducing, wherein during reducing, preferably the caliber of Manifolds 5 is a bit larger tham the caliber of total feed and exhaust tube 4, preferably the caliber of Manifolds 5 be total feed and exhaust tube 4 caliber 1.1-1.5 doubly.

Fig. 4-Fig. 5 shows according to two kinds of pipe-line systems preferred embodiment of the present utility model, wherein in Fig. 4, isometrical and the angled connection of described total feed and exhaust tube 4 and Manifolds 5, and raw material F imports pipeline 7, raffinate R and derives pipeline 8, Extract E and derive that pipeline 9, desorbent D import pipeline 10, clean-up line 11 is from the close-by examples to those far off arranged in the both sides of described Manifolds 5 successively.

In Fig. 5, described total feed and exhaust tube 4 and Manifolds 5 not isometrical (caliber of Manifolds 5 is a bit larger tham the caliber of total feed and exhaust tube 4) and straight line are communicated with, and described raffinate R derives pipeline 8, raw material F imports pipeline 7, desorbent D importing pipeline 10, Extract E derivation pipeline 9 and clean-up line 11 and is from the close-by examples to those far off arranged in successively the both sides of described Manifolds 5.

Wherein, as shown in Figure 4, described clean-up line 11 comprises four clean-up lines, is followed successively by clean-up line 111, clean-up line 112, clean-up line 113, clean-up line 114.

Wherein, as shown in Figure 5, described clean-up line 11 comprises three clean-up lines, is followed successively by clean-up line 111, clean-up line 112, clean-up line 113.

According to the utility model, for the flexible switching of the material in better control piping system, preferably on described many lateral line canals, be provided with valve 12 (as shown in Fig. 1, Fig. 6).

According to the utility model, for can automation mechanized operation, preferred described pipe-line system also comprises for controlling the control system 13 of described valve 12 switches.Make it possible to according to needs, by control system 13, control the switch of valve on lateral line canal.

Pipe-line system of the present utility model is particularly suitable for the application when the system that needs different materials to rinse and switch, be particularly suitable for moving-bed adsorption tower, be applied to the adsorbing separation of moving-bed adsorption tower, can be good at realizing rinsing well and the switching of material of material.

As previously mentioned, according to second aspect of the present utility model, the utility model provides a kind of adsorption separation system, as shown in Figure 6, this adsorption separation system comprises adsorbing separation device 1 and pipe-line system, comprises particle layers 2 and fluid distributor 3 in described adsorbing separation device 1, it is characterized in that, described pipe-line system is pipe-line system described in the utility model, and described pipe-line system is communicated with the fluid distributor 3 in described adsorbing separation device 1 by described total feed and exhaust tube 4.

According to the utility model, when described adsorption separation system is moving-bed adsorption piece-rate system, described fluid distributor 3 is generally a plurality of, and described in each, fluid distributor 3 connects separately a described pipe-line system separately.

According to the utility model, when described adsorption separation system is moving-bed adsorption piece-rate system, described fluid distributor 3 is preferably 2-30, more preferably 10-24.

According to the utility model, when described adsorption separation system is moving-bed adsorption piece-rate system, preferably this adsorption separation system also comprises: import with raw material F raw material storage tank (not shown), the raffinate storage tank (not shown) being communicated with raffinate R derivation pipeline 8, the Extract storage tank (not shown) being communicated with Extract E derivation pipeline 9, the desorbent storage tank (not shown) being communicated with desorbent D importing pipeline 10 and the washing solution storage tank (not shown) being communicated with clean-up line 11 that pipeline 7 is communicated with.

According to the utility model, by described clean-up line 11 just washing solution import the effect that reaches flushing line in total feed and exhaust tube 4, also the fluid in each storage tank can be derived to clean-up lines 11 by total feeding and discharging pipeline 4 and reach developing result.The composition of washing solution should be identical or close with the composition of fluid that is about to enter or derive this bed.

Wherein, described flushing storage tank can be generally raw material storage tank, raffinate storage tank, Extract storage tank, desorbent storage tank, preferred described clean-up line 11 is at least 4, be connected with raw material storage tank, raffinate storage tank, Extract storage tank, desorbent storage tank separately, so can switch washing solution according to needs.

According to the utility model, preferred described control system 13 is for making the control system that guarantees that in each stepping time in adsorbing separation device 1, different from the one at most lateral line canal of each particle layers 2 is communicated with by controlling the switch of the valve 12 on every lateral line canal.

According to the utility model, preferred described control system 13 is can be by controlling the switch of the valve 12 on every lateral line canal, the operation of adsorbing separation device 1 is at least divided into and comprises importing raw material F, import desorbent D, import washing solution, derive Extract E and derive the control system of 5 basic step-by-step operations of raffinate R.

According to the utility model, preferred described adsorbing separation device 1 at least comprises 5 particle layers 2, and described control system 13 is for making described 5 particle layers import with raw material F the control system that pipeline 7, raffinate R derivation pipeline 8, Extract E derivation pipeline 9, desorbent D importing pipeline 10 and clean-up line 11 are communicated with respectively by controlling the switch of the valve 12 on every lateral line canal.

By described control system 13, can control the unlatching of the corresponding material pipeline of all particle layers in adsorbing separation device or close, each guarantees to only have at most a different lateral line canal to be communicated with total feeding and discharging pipeline 4 in each bed constantly, and guarantees raw material F, desorbent D, raffinate R, Extract E and rinse material to be all communicated with a certain bed.

According to the utility model, described adsorbing separation device can be for the various adsorbing separation devices of prior art, for the utility model, described pipe-line system is specially adapted to simulation moving-bed, therefore,, for the utility model, preferred described adsorbing separation device 1 is moving-bed adsorption tower.

The adsorption separation system that the utility model provides, can be used for the process that any fluid contacts with solid particle, fluid and solid particle contact the adsorption separation system that can be used alone, also can use a plurality of adsorption separation system simultaneously.Preferably fluid is flowed through downwards by the particle layers of each separation along main shaft in adsorbing separation device.Wherein, the material that forms particle layers can comprise sorbent, resin, catalyzer and inert material, but is not therefore restricted.Fluid in the adsorbing separation of flowing through device can be steam, liquid or supercritical fluid, and fluid can be pure substance, can be also the mixture of multiple compounds or multiple fluid, as long as these mixtures must be a phase substantially.The process that has many this fluids to contact with solid particle in petroleum chemical industry, for example various reactions and separation process.The preferential recommendation of adsorption separation system that the utility model provides is in moving-bed adsorption separation process.

The adsorption separation system that the utility model provides can be carried out according to certain cycle importing and the extraction of different material in different particle layers, and the pollution in the pipeline that the importing of material and extraction are caused, rinse removing, improve product purity and the ultimate yield of whole process.

The adsorption separation system that the utility model provides has different structures in different moving-bed adsorption separation processes, and the material number of lines that it is corresponding and backwashing manner are also diversified, is not limited to the mode of execution that the utility model is described.

Below in conjunction with accompanying drawing, describe the utility model and concrete mode of execution in detail.But the utility model is not limited in the mode of execution once of mentioning.Accompanying drawing is all schematic diagram of simplifying and draws not in scale.

The schematic diagram of the adsorption separation system that Fig. 6 provides for the utility model, in Fig. 6, preferably adsorbing separation device 1 is moving-bed adsorption tower, in moving-bed adsorption tower, along major axes orientation, vertically between 2, two particle layers 2 of stacked a plurality of particle layers, fluid distributor 3 is set.Fluid distributor 3 is extracted the fluid in moving-bed adsorption tower out by total feed and exhaust tube 4, or then the fluid outside moving-bed adsorption tower is imported to adsorbing separation device 1 by Manifolds 5 suction total feed and exhaust tube 4 of flowing through.Wherein, total feed and exhaust tube 4 stretches out outside moving-bed adsorption tower and is connected with Manifolds 5, and the caliber of Manifolds 5 can be identical or bigger with total feed and exhaust tube 4.Manifolds 5 for example, is connected with lateral line canal (comprising: raffinate R derivation pipeline 8, raw material F importing pipeline 7, Extract E derive pipeline 9, desorbent D imports pipeline 10 and clean-up line 11) by threeway 6.Wherein, the other end of every material pipeline all connects corresponding material storage tank (not shown in Fig. 6).Control system 13 is controlled the unlatching of every lateral line canal valve 12 or closes, each guarantees to only have at most a lateral line canal to be communicated with total feed and exhaust tube 4 in each bed constantly, and guarantee raw material F, desorbent D, raffinate R, Extract E and rinse material to be all communicated with from a certain different bed, the switch of control system by valve make each lateral line canal in certain stepping time from the connection of a certain different bed.

The sectional drawing of the threeway that Fig. 2 provides for the utility model; Threeway is comprised of the supervisor 15 who is connected with Manifolds 5, the arm 16 being connected with lateral line canal and the baffle plate 14 that traverses whole threeway cross section.Supervisor 15 caliber D is identical with the caliber of Manifolds 5, and the caliber d of arm 16 is identical with the caliber of the lateral line canal being attached thereto.When D equates with d, threeway 6 is equal tee, and when D and d are when unequal, threeway is reducing tee.Wherein, baffle plate 14 traverses whole threeway cross section, and its edge is concordant or slightly short with the outer of arm 16.

The plan view of the threeway that Fig. 3 provides for the utility model; Wherein, baffle plate 14 traverses whole threeway cross section, both can be arranged in the equal tee shown in Fig. 3 A, also can be arranged in the reducing tee shown in Fig. 3 B; Both not perforates as shown in Figure 3A of baffle plate 14, also can perforate as shown in Fig. 3 B and Fig. 3 C, also can have as shown in Figure 3 D bar seam; Baffle plate 14 opening above both can be as shown in Figure 3 B only at supervisor's 15 scope inner openings that comprise, and also can be shown on whole baffle plate perforate or bar stitches as Fig. 3 C and Fig. 3 D.

In the utility model, the volume that opening rate refers to baffle plate upper shed accounts for the percentaeg of whole baffle plate volume.

In the utility model, stepping time refers to the operating time that each strand of material imports or extract out in some beds, and generally by the catalyzer in bed or sorbent, to the Processing capacity of material and fluid, the apparent velocity in bed determines jointly.

Below by embodiment, further illustrate pipe-line system and adsorption separation system that the utility model relates to.

Embodiment 1

A kind of mode of execution of a kind of pipe-line system that Fig. 4 provides for the utility model, but be not limited to this mode.

Mode of execution as shown in Figure 4, the pipe-line system providing for the utility model is a kind of mode of execution at carbon 8 aromatic hydrocarbons adsorption separation process for moving-bed adsorption tower.As shown in Figure 4, the pipe-line system of the present embodiment comprises: total feed and exhaust tube 4, Manifolds 5, threeway 6, raw material F suction pipeline 7, raffinate R derivation pipeline 8, an Extract E derive pipeline 9, desorbent D importing pipeline 10, washing solution C4 (raw material F washing solution) importing pipeline 111, washing solution C3 (Extract E washing solution) importing pipeline 113, washing solution C2 (Extract E washing solution) importing pipeline 114 and washing solution C1 (desorbent D washing solution) and imports pipeline 112.The caliber of total feed and exhaust tube 4 is identical with Manifolds 5, is 300mm.The pipeline (being provided with valve) of 8 strands of materials that the pipe-line system of moving-bed adsorption tower comprises is connected with Manifolds 5 by threeway respectively, and its Raw F imports pipeline 7 and is positioned at the position that approaches total feed and exhaust tube 4 most, and caliber is 250mm; Then be arranged in order raffinate R and derive pipeline 8, caliber 300mm; Extract E derives pipeline 9, caliber 200mm; Desorbent D imports pipeline 10, caliber 300mm; Washing solution C4 imports pipeline 111, caliber 80mm; Washing solution C1 imports pipeline 112, caliber 80mm; Washing solution C3 imports pipeline 113 and washing solution C2 imports pipeline 114, and caliber is 80mm, and washing solution C3 imports pipeline 113 and washing solution C2 importing pipeline 114 is oppositely arranged.Each bed is connected with a pipe-line system, and all valve 12 (not shown in Fig. 4) is all controlled its unlatching or closed by control system 13 (not shown in Fig. 4).Except washing solution C3 imports pipeline 113, washing solution C2 imports pipeline 114, lateral line canal is all connected with Manifolds 5 by threeway 6, and the baffle plate 14 in threeway 6 all has aperture, and opening rate is 20%.

This embodiment's process of the test is: control system 13 is opened the valve 12 that washing solution C4 imports pipeline 111 correspondences, carries out the flushing of pipeline; Next step-by-step operation, control system 13 is closed washing solution C4 clean-up line 111, and raw material F imports pipeline 7 and opens, and raw material F enters moving-bed adsorption tower; Next step-by-step operation, raw material F imports pipeline 7 and closes, and washing solution C3 clean-up line 113 is opened, and the component of raw material F remaining in pipeline is rinsed well; Next step-by-step operation, washing solution C3 clean-up line 113 is closed, and washing solution C2 clean-up line 114 is opened, and the component of raw material F remaining in pipeline is further rinsed well; Next step-by-step operation, washing solution C2 clean-up line 114 is closed, and Extract E derives pipeline 9 and opens, and derives Extract E; Next step-by-step operation, Extract E derives pipeline 9 and closes, and washing solution C1 clean-up line 112 is opened, and the component that remains in the Extract E in bed external pipeline is removed; Next step-by-step operation, washing solution C1 imports pipeline 112 and closes, and desorbent D imports pipeline 10 and opens, and imports desorbent D; Next step-by-step operation, desorbent D imports pipeline 10 and closes, and raffinate is derived pipeline 8 and is opened, and the raffinate R in bed is extracted out.Then, start to carry out the step-by-step operation of next cycle.Composition and the flow of each strand of material are as shown in table 1.

The stepping time at each step-by-step operation institute interval of each bed is 80s, the sample that the outlet of gathering line is flowed out in each step-by-step operation, and the composition of analytic sample, calculates material in pipeline and switches the pollution causing.The sample analysis that pipeline outlet is collected can calculate the mass fraction U that flows out certain pollution components i of pipeline in a stepping time _i, the mass fraction that pipeline entrance goes out this component i is W _i, pipeline pollution level X is:

X=(U _i* m _{go out}-W _i* m _enter)/m _{go out}

Wherein, m _{go out}and m _enterbe respectively the quality of material that flows out pipeline and inflow pipeline in a stepping time.

Table 1

In table 1, PDEB is p-Diethylbenzene, and PX is paraxylene.

Embodiment 2

The another kind of mode of execution of a kind of pipe-line system that Fig. 5 provides for the utility model, but be not limited to this mode.

As shown in Figure 5, the pipe-line system of the present embodiment comprises: total feed and exhaust tube 4, Manifolds 5, threeway 6, raw material F suction pipeline 7, a raffinate R derive pipeline 8, Extract E derivation pipeline 9, desorbent D importing pipeline 10, washing solution C4 (raw material F washing solution) clean-up line 111, washing solution C3 (Extract E washing solution) clean-up line 113 and washing solution C1 (desorbent D washing solution) clean-up line 112.The caliber of total feed and exhaust tube 4 is 250mm, and the caliber of Manifolds 5 is 300mm.The pipeline of 7 strands of materials that moving-bed adsorption tower comprises is outward connected with Manifolds 5 by valve 12 respectively, and wherein, raffinate R derives pipeline 8 and is positioned at the position that approaches total feed and exhaust tube 4 most, caliber 300mm; Then be arranged in order raw material F and import pipeline 7, caliber is 250mm; Desorbent D imports pipeline 10, caliber 300mm; Extract E derives pipeline 9, caliber 200mm; Washing solution C4 imports pipeline 111, caliber 80mm; Washing solution C1 imports pipeline 112, caliber 80mm; Washing solution C3 imports pipeline 113, and caliber is 80mm.Each bed is connected with a pipe-line system, and valve 12 is all set on every lateral line canal, and all valve 12 is all controlled its unlatching or closed by control system 13.Except washing solution C3 imports pipeline 113 and washing solution C1 importing pipeline 112, every lateral line canal is all connected with Manifolds 5 by threeway 6, and the baffle plate 14 in threeway 6 all has aperture, and opening rate is 30%.

This embodiment's process of the test is all identical with embodiment 1 with flow with the composition of each strand of material, has just cancelled washing solution C2 and has rinsed.

Comparative example 1

The pipe-line system of this comparative example comprises: total feed and exhaust tube 4, Manifolds 5, raw material F suction pipeline 7, a raffinate R derive pipeline 8, Extract E derivation pipeline 9 and desorbent D and imports pipeline 10.The caliber of total feed and exhaust tube 4 is 300mm, and the caliber of Manifolds 5 is 300mm.The lateral line canal of 4 strands of materials that pipe-line system comprises is connected with Manifolds 5 by valve 12 respectively, and wherein, raffinate R derives pipeline 8 and is positioned at the nearest position of total feed and exhaust tube 4, caliber 300mm; Then be arranged in order raw material F and import pipeline 7, caliber is 250mm; Extract E derives pipeline 9, caliber 200mm; Desorbent D imports pipeline 10, caliber 300mm.

By embodiment 1, embodiment 2 and comparative example 1 according to testing respectively in the process of the test described in embodiment 1 and mass flow and composition situation, according to sampling analysis result, can calculate material in pipeline and switch the pollution condition causing to pipeline, the result of calculation of the pollution condition of each material is as shown in table 2.

Table 2

Embodiment	D is polluted	E is polluted	F is polluted
				Embodiment 1	0.000445％	0	0.02784％
Embodiment 2	0.000675％	0	0.0538％
				Comparative example 1	0.5％	0.3％	2％

As shown in Table 2, pipe-line system of the present utility model is for simulation moving-bed adsorption separation system, and the separation purity of each material is high, the pollution of material is very little, and pipe-line system of the present utility model is simple in structure, each member of use is cheap and easy to get, is very suitable for industrial applications.

Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.

It should be noted that in addition each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.

In addition, between various mode of execution of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (20)

1. a pipe-line system, it is characterized in that, this pipe-line system comprises: the total feed and exhaust tube (4) being interconnected and Manifolds (5), described Manifolds (5) comprises many lateral line canals, described many lateral line canals are communicated with described Manifolds (5) by threeway (6) separately, wherein, described threeway (6) comprises supervisor (15) and arm (16), and be arranged on the baffle plate (14) in described supervisor (15), wherein, the angle of described baffle plate (14) and described supervisor's (15) medial axis is for being greater than 0 ° to being less than or equal to 90 °.

2. pipe-line system according to claim 1, is characterized in that, the angle of described baffle plate (14) and described supervisor's (15) medial axis be 30 ° to being less than or equal to 90 °.

3. pipe-line system according to claim 2, is characterized in that, described baffle plate (14) is vertical with described supervisor's (15) medial axis, and described baffle plate (14) extends to the end of described arm (16).

4. according to the pipe-line system described in any one in claim 1-3, it is characterized in that, on described baffle plate (14), be provided with opening (17).

5. pipe-line system according to claim 4, is characterized in that, the perforate that described opening (17) stitches and/or evenly arranges for a plurality of parallel bars.

6. pipe-line system according to claim 4, is characterized in that, the opening rate of described baffle plate (14) is 15-40%.

7. according to the pipe-line system described in any one in claim 1-3, it is characterized in that, described lateral line canal is 4-10 root.

8. according to the pipe-line system described in any one in claim 1-3, it is characterized in that, described lateral line canal comprises that raw material (F) imports pipeline (7), raffinate (R) is derived pipeline (8), Extract (E) derivation pipeline (9), desorbent (D) importing pipeline (10) and clean-up line (11).

9. pipe-line system according to claim 8, it is characterized in that, the jointing of described total feed and exhaust tube (4) and Manifolds (5) of take is starting point, and described raffinate (R) derives pipeline (8) and raw material (F) imports pipeline (7), Extract (E) derives pipeline (9) and desorbent (D) importing pipeline (10), clean-up line (11) are from the close-by examples to those far off arranged on described Manifolds (5) successively.

10. pipe-line system according to claim 8, is characterized in that, described clean-up line (11) is 3-6 root.

11. according to the pipe-line system described in any one in claim 1-3, it is characterized in that, is provided with valve (12) on described many lateral line canals.

12. pipe-line systems according to claim 11, is characterized in that, described pipe-line system also comprises for controlling the control system (13) of described valve (12) switch.

13. 1 kinds of adsorption separation system, this adsorption separation system comprises adsorbing separation device (1) and pipe-line system, in described adsorbing separation device (1), comprise particle layers (2) and fluid distributor (3), it is characterized in that, described pipe-line system is the pipe-line system described in any one in claim 1-12, and described pipe-line system is communicated with the fluid distributor (3) in described adsorbing separation device (1) by described total feed and exhaust tube (4).

14. adsorption separation system according to claim 13, is characterized in that, described fluid distributor (3) is a plurality of, and fluid distributor described in each (3) connects separately a described pipe-line system separately.

15. adsorption separation system according to claim 14, is characterized in that, described fluid distributor (3) is 2-30.

16. according to the adsorption separation system described in any one in claim 13-15, it is characterized in that, this adsorption separation system also comprises: import with raw material (F) raw material storage tank, the raffinate storage tank being communicated with raffinate (R) derivation pipeline (8), the Extract storage tank being communicated with Extract (E) derivation pipeline (9), the desorbent storage tank being communicated with desorbent (D) importing pipeline (10) and the washing solution storage tank being communicated with clean-up line (11) that pipeline (7) is communicated with.

17. according to the adsorption separation system described in any one in claim 13-15, it is characterized in that, described control system (13) is for making the control system that guarantees that in each stepping time in adsorbing separation device (1), different from the one at most lateral line canal of each particle layers (2) is communicated with by controlling the switch of the valve (12) on every lateral line canal.

18. adsorption separation system according to claim 17, it is characterized in that, described control system (13) is can be by controlling the switch of the valve (12) on every lateral line canal, the operation of adsorbing separation device (1) is at least divided into and comprises importing raw material (F), import desorbent (D), import washing solution, derive Extract (E) and derive the control system of 5 basic step-by-step operations of raffinate (R).

19. according to the adsorption separation system of claim 17, it is characterized in that, described adsorbing separation device (1) at least comprises 5 particle layers (2), and described control system (13) is to make described 5 particle layers import with raw material (F) control system that pipeline (7), raffinate (R) derivation pipeline (8), Extract (E) derivation pipeline (9), desorbent (D) importing pipeline (10) and clean-up line (11) are communicated with respectively by controlling the switch of the valve (12) on every lateral line canal.

20. according to the adsorption separation system described in any one in claim 13-15, it is characterized in that, described adsorbing separation device (1) is moving-bed adsorption tower.