CN206916047U - Device for the super imitative cotton polyester of continuous production - Google Patents

Abstract

It the utility model is related to a kind of device for the super imitative cotton polyester of continuous production, it includes heat medium system, raw material mixing supply system, esterification piece-rate system, eventually pre-polymerization system, the poly- system being sequentially connected, esterification piece-rate system includes the first esterification device and the second esterification device and destilling tower being sequentially connected, pre-polymerization system includes ascending manner pre-polymerization kettle, spray cooling device, and ascending manner pre-polymerization kettle includes preheating zone, polycondensation reaction area, the EG Disengagement zone being sequentially distributed from the bottom to top.Process units of the present utility model, realize the continuous production of super imitative cotton polyester fiber, the polyester fiber that its polyester fondant produced is process has surface and inner hydrophilic, fibre section heteromorphosis, the feature of fibrous inner structure microporous, has good moisture absorption performance.

Description

Device for the super imitative cotton polyester of continuous production

Technical field

It the utility model is related to a kind of device for the super imitative cotton polyester of continuous production.

Background technology

Polyester fiber is the first big kind of synthetic fibers, and its yield accounts for more than the 80% of chemical fibre total output, is to produce at present Amount and the maximum textile fabric of consumption figure, super imitative cotton polyester fiber of the prior art, because its excellent cost performance, wrinkle resistance, Conformality, higher intensity and elastic recovery capability, garment material can be used as to use and ornamental desirable feedstock, had very big Application prospect and broad based growth prospect.However, super imitative cotton polyester fiber of the prior art, when for rag trade, due to Its hydrophobic property is poor, causes water suction, hygroscopicity poor, comfort is lacked when wearing.Therefore how to prepare one kind while there is height Absorbing sweat, perspire, the super imitative cotton polyester fiber of rapid-curing cutback fabric, be that researcher and enterpriser have been working hard the mesh pursued for many years Mark.In addition, be typically that copolyesters master batch is produced in a single polyester equipment in the prior art, afterwards with conventional polyester After mixing in proportion, dry spinning again, its can not by polyester fondant direct fabrics, exist can not continuous production, efficiency it is low The problem of lower and the performance for influenceing subsequent fiber product.

At present, production of polyester is to produce the necessary process of polyester fiber, and polyester solution production link, process is more, additive Species is more and complex process, how optimized production process, the waste reduced in production process is that we reduce production cost, is improved The main point of penetration of productivity effect；It is different according to the main flow of production of polyester in the prior art in polyester continuous production device, contracting Poly- reactor sets different.Oligomer initially enters pre-polymerization system polycondensation reaction, in pre-polymerization system reactor more using frame-type, Cage, disc-type agitator, it is necessary to additional motor come realize driving, so will result in complicated, the Er Qieneng of reactor Consumption is higher, therefore it is high and more save the first poly- kettle of energy consumption to design a simple in construction, reaction efficiency, to improve the quality of production Turn into the problem for being badly in need of solving with the performance of enterprises.

The content of the invention

Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, there is provided one kind is used for continuous production The device of super imitative cotton polyester, successfully realize the continuous production of super imitative cotton polyester fiber.

In order to solve the above technical problems, the technical scheme that the utility model is taken is as follows：

A kind of device for the super imitative cotton polyester of continuous production, it includes heat medium system, and the raw material mixing being sequentially connected supplies System, esterification piece-rate system, eventually pre-polymerization system, poly- system are answered, esterification piece-rate system includes the first esterification being sequentially connected Device and the second esterification device and the destilling tower in parallel with the first esterification device and the second esterification device, in advance Poly- system includes ascending manner pre-polymerization kettle, spray cooling device, and ascending manner pre-polymerization kettle is pre- including being sequentially distributed from the bottom to top Hot-zone, polycondensation reaction area, EG Disengagement zone, the second esterification device are connected by the first pipeline with preheating zone, and poly- system is led to eventually Cross second pipe to connect with polycondensation reaction area, spray cooling device is connected by the 3rd pipeline with EG Disengagement zone；For continuously raw The device of the super imitative cotton polyester of production also includes the moisture absorption mother liquor device for preparing moisture absorption mother liquor, moisture absorption mother liquor device and The connection of second esterification device is so as to which the moisture absorption mother liquor prepared is passed into the second esterification device, super imitative cotton polyester The device for spinning that fiber continuous production device also includes with poly- system is connected eventually.

Preferably, moisture absorption mother liquor device includes the preparation kettle with the second esterification device by the 4th pipeline communication Body, it is arranged on the agitator prepared in kettle, is opened in the material inlet and material outlet for preparing kettle upper and lower part respectively.

Preferably, first entrance, second entrance and the 3rd entrance, the first entrance that material inlet includes setting respectively are used for Ethylene glycol is passed through, second entrance is used to be passed through reaction monomers and polyethylene glycol containing hydrophilic radical, and the 3rd entrance is used to be passed through to add Add agent.

Preferably, moisture absorption mother liquor device also includes being arranged on the heating agent entrance prepared on kettle, and heating agent entrance passes through 5th pipeline connects with heat medium system.

Preferably, moisture absorption mother liquor device also includes the DCS controls for monitoring and controlling moisture absorption mother liquor addition situation System processed, DCS control systems include be arranged on the 4th pipeline be used for monitor the flowmeter of moisture absorption mother liquid flow rate, for controlling The control valve of moisture absorption mother liquid flow rate.

Preferably, pre-polymerization system also include be located on ascending manner pre-polymerization kettle the 6th pipeline connected with preheating zone, set The 7th pipeline connected with polycondensation reaction area on ascending manner pre-polymerization kettle, ascending manner pre-polymerization kettle pass through the 6th pipeline and Seven pipelines connect with heat medium system.

Preferably, pre-polymerization system also includes being arranged on ascending manner pre-polymerization inner wall of kettle and is located at polycondensation reaction area Column plate reaction mechanism, column plate reaction mechanism include the polylith column plate being sequentially distributed by bottom to the top in polycondensation reaction area.

Preferably, polylith column plate is vertically uniformly distributed.

Preferably, the device for spinning uses big Trilobal spinneret.

According to the utility model, moisture absorption mother liquor includes ethylene glycol, the reaction monomers containing hydrophilic radical, polyethylene glycol and addition Agent.Additive further includes pore former（Such as barium sulfate, calcium carbonate or other inorganic particles）And antioxidant.Containing hydrophilic radical Reaction monomers such as sodiosulfoisophthalic acid, M-phthalic acid potassium sulfonate, sodiosulfoisophthalic acid glycol ester, poly- second two Alcohol, ethanedioic acid, succinic acid, glutaric acid, adipic acid, diethylene glycol (DEG), triethylene glycol, polypropylene glycol, polyoxybutylene diols, o-hydroxy first Acid etc..

Due to the implementation of above technical scheme, the utility model has the following advantages that compared with prior art：

Device of the present utility model for the super imitative cotton polyester of continuous production, by adding moisture absorption mother liquor kettle, to inhaling Wet additive is pre-processed under cryogenic with alcohol, acid, on the one hand reaches the purpose of dilution additive, and realization accurately adds Add, on the other hand avoid and directly add the additive without any processing into polymeric kettle under the high temperature conditions, reduce pair The generation of reaction, also improves the spinnability and product stability of polyester fondant, and gained polyester fondant can be carried out directly subsequently Spinning, so as to realize super imitative cotton polyester fiber continuous production.In addition, the prepolymerization kettle kettle in the utility model pre-polymerization system, is adopted Rise the kettle of flowing, the reaction kettle body, with structure design is simple, polycondensation effect is good and more saves energy consumption with material Feature, during production, preheating zone that material passes through respectively successively from the bottom to top, polycondensation reaction area, EG Disengagement zone, preheating zone is to pre-polymerization Reaction provides enough heats, and the outlet of preheating zone connects with the column plate in the polycondensation reaction area above it, passes through each block of column plate When, residence time and reaction interface are provided for prepolymerization reaction, promotes the progress of reaction, improves reaction efficiency, and EG steam It is separated with prepolymer liquid in the EG Disengagement zone at top, the EG isolated enters spray cooling device after the 3rd pipeline, The final collection that is condensed.The prepolymerization kettle of the ascending manner, reaction efficiency is improved, can effectively improve productivity effect.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the super imitative cotton polyester fiber continuous production device of the utility model；

Wherein：1st, supply system is mixed；2nd, it is esterified piece-rate system；21st, the first esterification device；22nd, the second esterification is anti- Answer device；23rd, destilling tower；3rd, pre-polymerization system；30th, pre-polymerization kettle；301st, preheating zone；302nd, polycondensation reaction area；303rd, EG is separated Area；31st, spray cooling device；32nd, column plate；4th, whole poly- system；5th, heat medium system；6th, moisture absorption mother liquor device；60th, kettle； 61st, flowmeter；62nd, control valve；G1, the first pipeline；G2, second pipe；G3, the 3rd pipeline；G4, the 4th pipeline；G5, the 5th pipe Road；G6, the 6th pipeline；G7, the 7th pipeline.

Embodiment

The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.

As shown in figure 1, a kind of device for the super imitative cotton polyester of continuous production, it includes heat medium system 5, is sequentially connected Raw material mixing supply system 1, esterification piece-rate system 2, eventually pre-polymerization system 3, poly- system 4, esterification piece-rate system 2 include being sequentially connected The first esterification device 21 and the second esterification device 22 and anti-with the first esterification device 21 and the second esterification The destilling tower 23 in parallel of device 22 is answered, pre-polymerization system 3 includes ascending manner pre-polymerization kettle 30, spray cooling device 31, and ascending manner is pre- Poly- kettle 30 includes preheating zone 301, polycondensation reaction area 302, the EG Disengagement zone 303 being sequentially distributed from the bottom to top, and the second esterification is anti- Device 22 is answered to be connected by the first pipeline G1 with preheating zone 301, poly- system 4 passes through second pipe G2 and polycondensation reaction area 302 eventually Connection, spray cooling device 31 are connected by the 3rd pipeline G3 with EG Disengagement zone 303；Dress for the super imitative cotton polyester of continuous production Putting also includes being used for the moisture absorption mother liquor device for preparing moisture absorption mother liquor, moisture absorption mother liquor device and the second esterification device 22 connections are so as to which the moisture absorption mother liquor prepared is passed into the second esterification device 22, super imitative cotton polyester fiber continuous production The device for spinning that device also includes with poly- system 4 is connected eventually.

Further, moisture absorption mother liquor device 6 includes connecting by the 4th pipeline G4 with the second esterification device 22 Preparation kettle 60, be arranged on the agitator prepared in kettle 60, be opened in the material for preparing kettle 60 upper and lower part respectively Entrance and material outlet.First entrance, second entrance and the 3rd entrance, the first entrance that material inlet includes setting respectively are used for Ethylene glycol is passed through, second entrance is used to be passed through reaction monomers and polyethylene glycol containing hydrophilic radical, and the 3rd entrance is used to be passed through to add Add agent.Moisture absorption mother liquor device 6 also includes being arranged on the heating agent entrance prepared on kettle 60, and heating agent entrance passes through the 5th pipeline G5 connects with heat medium system 5.Moisture absorption mother liquor device 6 also includes for monitoring and controlling moisture absorption mother liquor addition situation DCS control systems, DCS control systems include being arranged on the flowmeter for being used to monitor moisture absorption mother liquid flow rate on the 4th pipeline G4 61st, for controlling the control valve 62 of moisture absorption mother liquid flow rate.

In this example, pre-polymerization system 3 also includes the connected with preheating zone 301 the 6th pipe being located on ascending manner pre-polymerization kettle 30 Road G6, the 7th pipeline G7 connected with polycondensation reaction area 302 being located on ascending manner pre-polymerization kettle 30, ascending manner pre-polymerization kettle 30 Connected by the 6th pipeline G6 and the 7th pipeline G7 with heat medium system 5.Pre-polymerization system 3 also includes being arranged on ascending manner pre-polymerization kettle Column plate reaction mechanism on 30 inwalls and at polycondensation reaction area 302, column plate reaction mechanism are included by polycondensation reaction area 302 The polylith column plate 32 that is sequentially distributed of bottom to top.Polylith column plate 32 is vertically uniformly distributed.The device for spinning is adopted With big Trilobal spinneret.Moisture absorption mother liquor includes ethylene glycol, the reaction monomers containing hydrophilic radical, polyethylene glycol and additive.Add Agent is added further to include pore former（Such as barium sulfate, calcium carbonate or other inorganic particles）And antioxidant.Reaction containing hydrophilic radical Monomer such as sodiosulfoisophthalic acid, M-phthalic acid potassium sulfonate, sodiosulfoisophthalic acid glycol ester, polyethylene glycol, second Diacid, succinic acid, glutaric acid, adipic acid, diethylene glycol (DEG), triethylene glycol, polypropylene glycol, polyoxybutylene diols, septichen etc..

Moisture absorption mother liquor preparation technology and addition situation in this example is as follows：

Ethylene glycol is led in moisture absorption mother liquor kettle, in the range of 180~220 DEG C of keeping temperature, is added containing sulfonic acid group, hydroxyl Three monomers and number-average molecular weight of the hydrophilic radicals such as base are 200~6000 monomer of polyethylene glycol the 4th, and third and fourth monomer adds Enter amount is respectively moisture absorption mother liquor weight 10~30%, 20~50%, addition barium sulfate, calcium carbonate or other inorganic particles（To inhale The 1~10% of wet mother liquor weight）As pore former, hindered amine light stabilizer and Hinered phenols antioxidant are then added, with moisture absorption On the basis of mother liquor weight, the addition of hindered amine light stabilizer and Hinered phenols antioxidant is respectively 0.01~0.1%, fully Stir, and by 20um filter screen filtration, be configured to moisture absorption mother liquor；Second two is added into the second esterification device Alcohol, the second esterification device is cooled to 200~230 DEG C, under nitrogen protection, suction will be prepared by DCS control systems Wet mother liquor 20~50KG on an hourly basis（Polyester output is 1~3 ton per hour）Accurately it is added in the second esterification device, and And polymerization catalyst antimony glycol is added, stirred after addition, progressively heating, which is imported in pre-polymerization system, carries out follow-up Polymerisation.

In summary, the device of the present utility model for the super imitative cotton polyester of continuous production, is matched somebody with somebody by adding moisture absorption mother liquor Kettle is put, moisture absorption additive and alcohol, acid are pre-processed under cryogenic, on the one hand reach the purpose of dilution additive, Accurate addition is realized, on the other hand avoids and directly adds the addition without any processing into polymeric kettle under the high temperature conditions Agent, reduce the generation of side reaction, also improve the spinnability and product stability of polyester solution, gained polyester fondant can be straight The follow-up spinning of row is tapped into, so as to realize super imitative cotton polyester fiber continuous production.The polyester solution produced through the type process units adds The polyester fiber that work forms has fiber surface and inner hydrophilic；Fibre section heteromorphosis；Fibrous inner structure microporous Feature, and there is good moisture absorption performance, by national inspection centers detection fibre strength reach 4.5Cn/dtex with On, water absorption rate more than 480%, more than evaporation rate 0.15g/h, all exceed well over the technical requirements of hygroscopic fibre professional standard. Fiber ratio resistance is below 108 Ω ﹡ cm, and antistatic property is excellent, ultraviolet ray transmissivity≤5%, anti-fluffing and anti-pilling performance >=4 grade. Wetting that fabric prepared by it has, moisture absorption, perspire, drying function.In addition, the prepolymerization kettle in the utility model pre-polymerization system Kettle, rises the kettle of flowing using material, the reaction kettle body, has that structure design is simple, polycondensation effect is good and more supernumerary segment About energy consumption the characteristics of, during production, preheating zone that material passes through respectively successively from the bottom to top, polycondensation reaction area, EG Disengagement zone, preheating Area provides enough heats to prepolymerization reaction, and the outlet of preheating zone connects with the column plate in the polycondensation reaction area above it, by every During one block of column plate, residence time and reaction interface are provided for prepolymerization reaction, promotes the progress of reaction, improves reaction efficiency, and And EG steam and prepolymer liquid are separated in the EG Disengagement zone at top, it is cold that the EG isolated enters spray after the 3rd pipeline But device, be finally condensed collection.The prepolymerization kettle of the ascending manner, reaction efficiency is improved, can effectively improve productivity effect.

The utility model is described in detail above, its object is to allow the personage for being familiar with this art can be much of that Solve content of the present utility model and be carried out, the scope of protection of the utility model can not be limited with this, it is all according to this practicality The equivalent change or modification that new Spirit Essence is made, it should all cover in the scope of protection of the utility model.

Claims (9)

1. a kind of device for the super imitative cotton polyester of continuous production, it includes heat medium system（5）, be sequentially connected raw material mixing supply Answer system (1), esterification piece-rate system (2), pre-polymerization system（3）, poly- system eventually（4）, the esterification piece-rate system (2) is including successively First esterification device of connection（21）With the second esterification device（22）And with first esterification device （21）With the second esterification device（22）Destilling tower in parallel（23）, it is characterised in that：The pre-polymerization system（3）Including rising Formula pre-polymerization kettle（30）, spray cooling device（31）, the ascending manner pre-polymerization kettle（30）Including what is be sequentially distributed from the bottom to top Preheating zone（301）, polycondensation reaction area（302）, EG Disengagement zone（303）, second esterification device（22）Pass through the first pipe Road（G1）With the preheating zone（301）Connection, the end poly- system（4）Pass through second pipe（G2）With the polycondensation reaction area （302）Connection, the spray cooling device（31）Pass through the 3rd pipeline（G3）With the EG Disengagement zone（303）Connection；The use Also include being used for the moisture absorption mother liquor device for preparing moisture absorption mother liquor, described moisture absorption in the device of the super imitative cotton polyester of continuous production Mother liquor device and the second described esterification device（22）Connection is described so as to which the moisture absorption mother liquor prepared be passed into Second esterification device（22）In, described super imitative cotton polyester fiber continuous production device also includes and the end poly- system （4）The device for spinning of connection.

2. the device according to claim 1 for the super imitative cotton polyester of continuous production, it is characterised in that：The moisture absorption mother liquor Device for formulating（6）Including with second esterification device（22）Pass through the 4th pipeline（G4）The preparation kettle of connection（60）、 It is arranged on the preparation kettle（60）Interior agitator, the preparation kettle is opened in respectively（60）The material of upper and lower part enters Mouth and material outlet.

3. the device according to claim 2 for the super imitative cotton polyester of continuous production, it is characterised in that：The material inlet Including the first entrance, second entrance and the 3rd entrance set respectively, the first entrance is used to be passed through ethylene glycol, and described second Entrance is used to be passed through reaction monomers and polyethylene glycol containing hydrophilic radical, and the 3rd entrance is used to be passed through additive.

4. the device according to claim 2 for the super imitative cotton polyester of continuous production, it is characterised in that：The moisture absorption mother liquor Device for formulating（6）Also include being arranged on the preparation kettle（60）On heating agent entrance, the heating agent entrance passes through the 5th pipeline （G5）With the heat medium system（5）Connection.

5. the device according to claim 2 for the super imitative cotton polyester of continuous production, it is characterised in that：The moisture absorption mother liquor Device for formulating（6）Also include the DCS control systems for monitoring and controlling the moisture absorption mother liquor addition situation, the DCS controls System processed includes being arranged on the 4th pipeline（G4）On be used for monitor the flowmeter of moisture absorption mother liquid flow rate（61）, for controlling The control valve of moisture absorption mother liquid flow rate（62）.

6. the device according to claim 1 for the super imitative cotton polyester of continuous production, it is characterised in that：The pre-polymerization system （3）Also include being located at the ascending manner pre-polymerization kettle（30）On with the preheating zone（301）6th pipeline of connection（G6）, set In the ascending manner pre-polymerization kettle（30）On with the polycondensation reaction area（302）7th pipeline of connection（G7）, the rising Formula pre-polymerization kettle（30）Pass through the 6th pipeline（G6）With the 7th pipeline（G7）With the heat medium system（5）Connection.

7. the device according to claim 1 for the super imitative cotton polyester of continuous production, it is characterised in that：The pre-polymerization system （3）Also include being arranged on the ascending manner pre-polymerization kettle（30）It is on inwall and be located at the polycondensation reaction area（302）The tower at place Plate reaction mechanism, the column plate reaction mechanism are included by the polycondensation reaction area（302）Bottom to top be sequentially distributed it is more Block column plate（32）.

8. the device according to claim 7 for the super imitative cotton polyester of continuous production, it is characterised in that：The polylith column plate （32）Vertically it is uniformly distributed.

9. the device according to claim 1 for the super imitative cotton polyester of continuous production, it is characterised in that：The device for spinning Using big Trilobal spinneret.