CN206916048U - For super imitative cotton polyester quantity-produced device - Google Patents

Abstract

It the utility model is related to one kind and be used for super imitative cotton polyester quantity-produced device, the raw material mixing supply system being sequentially connected, it is esterified piece-rate system, pre-polymerization system, poly- system eventually, esterification piece-rate system includes the first esterification device and the second esterification device and destilling tower being sequentially connected, first esterification device includes esterification kettle, the chuck being fixedly connected on the external wall of reaction kettle of the esterification, the heating coil being arranged on inside reaction kettle of the esterification body, the pipeline circulating system connected with heating agent, pipeline circulating system includes the first inlet pipe and the first outlet pipe, second inlet pipe and the second outlet pipe, first connecting tube, second connecting tube.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

For super imitative cotton polyester quantity-produced device

Technical field

It the utility model is related to one kind and be used for super imitative cotton polyester quantity-produced device.

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；The first esterifying kettle being esterified in the prior art during polyester continuous production in piece-rate system is being carried out Temperature relatively low in kettle need to be risen to higher temperature in esterification during esterification, then the heating system of the first esterifying kettle Design quality, can directly influence the mixing of raw material and esterified efficiency, finally influence product quality.First ester in the prior art Change material in the kettle of kettle to be heated by the logical liquid phase heating agent of hot coil in kettle, kettle then passes through the chuck ventilation phase on outer wall Heating agent carrys out Heat preservation, but the thermal capacity of the heat transfer of gas phase heating agent is small, and chuck heating is unable to method and meets fat in production of polyester Change the technological requirement of reaction, i.e., can not meet high temperature demands during esterification, easily cause esterification yield low, and product is easy Autohemagglutination is produced, directly resulting in raw material can not be fully utilized, and consumption is high, and the quality of product is influenceed after autohemagglutination.

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 gathered for super imitative cotton Ester quantity-produced device, 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：

One kind is used for super imitative cotton polyester quantity-produced device, and the raw material being sequentially connected mixes supply system, esterification separation System, eventually pre-polymerization system, poly- system, esterification piece-rate system includes the first esterification device being sequentially connected and the second esterification is anti- Answer device and the destilling tower in parallel with the first esterification device and the second esterification device, the first esterification device bag Include esterification kettle, the chuck being fixedly connected on the external wall of reaction kettle of the esterification, be arranged on adding inside reaction kettle of the esterification body Hot coil, the pipeline circulating system that thermal source is circulated for being provided for the first esterification device, pipeline cyclic system are connected with heating agent What system included connecting with chuck inlet and outlet enters for the first inlet pipe of gas phase heating agent circulation and the first outlet pipe, with heating coil Mouthful and outlet be used for the second inlet pipe that liquid phase heating agent circulates and the second outlet pipe, connect the first inlet pipe with the second inlet pipe First connecting tube, the second connecting tube for connecting the first outlet pipe with the second outlet pipe；For super imitative cotton polyester quantity-produced device Also include 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 connect Connect so as to which the moisture absorption mother liquor prepared is passed into the second esterification device, super imitative cotton polyester fiber continuous production device is also Including the device for spinning being connected with whole poly- system.

Preferably, moisture absorption mother liquor device is included with the second esterification device by adding the preparation kettle of 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 Heating agent pipeline connects with heating agent.

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 addition pipeline on 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, the junction of the first connecting tube and the second inlet pipe is provided with flow divider, the second connecting tube and the first outlet pipe Junction be provided with triple valve.

Preferably, 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：

It is of the present utility model to be used for super imitative cotton polyester quantity-produced device, 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 esterification in the first esterification device of the present utility model Second inlet pipe of the heating coil in reaction kettle body is connected by the first connecting tube with the first inlet pipe of the chuck on kettle outer wall It is logical, and connected the second outlet pipe of heating coil with the first outlet pipe of chuck by the second connecting tube so that, in esterification reaction When needing high temperature, liquid phase heating agent can be passed through into chuck, and the setting Jing Guo the second connecting tube adds the process in chuck The liquid phase heating agent of heat exports the recycling for the second outlet pipe, accomplishing liquid phase heating agent, the first esterification device of the present utility model Programming rate of heating systems when can accelerate esterification reaction ensure the high temperature demands of esterification reaction, so as to improve esterification Rate and product quality, reduce further consumption of raw materials and production cost.

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；

Fig. 2 is the overall structure diagram of the esterification device of this practicality first；

Wherein：1st, supply system is mixed；2nd, it is esterified piece-rate system；21st, the first esterification device；210th, reaction kettle of the esterification Body；211st, chuck；212nd, heating coil；213rd, the first inlet pipe；214th, the first outlet pipe；215th, the second inlet pipe；216th, the second outlet pipe； 217th, the first connecting tube；218th, the second connecting tube；22nd, the second esterification device；23rd, destilling tower；3rd, pre-polymerization system；4th, it is poly- eventually System；6th, moisture absorption mother liquor device；60th, kettle；61st, flowmeter；62nd, control valve；G1, the first pipeline；G2, second pipe； F1, flow divider；F2, triple valve.

Embodiment

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

As shown in Figure 1 and Figure 2, raw material mixing supply that is a kind of to be used for super imitative cotton polyester quantity-produced device, being sequentially connected System 1, esterification piece-rate system 2, eventually pre-polymerization system 3, poly- system 4, the first esterification that esterification piece-rate system 2 includes being sequentially connected are anti- Answer the esterification device 22 of device 21 and second and in parallel with the first esterification device 21 and the second esterification device 22 Destilling tower 23, the first esterification device 21 include esterification kettle 210, be fixedly connected on outside esterification kettle 210 Chuck 211 on wall, the heating coil 212 being arranged on inside esterification kettle 210, connect for for the first esterification with heating agent Reaction unit 21 provides the pipeline circulating system of circulation thermal source, and pipeline circulating system includes connecting with the inlet and outlet of chuck 211 The first inlet pipe 213 and the first outlet pipe 214, the use that is connected with the inlet and outlet of heating coil 212 that are used for the circulation of gas phase heating agent In liquid phase heating agent circulation the second inlet pipe 215 and the second outlet pipe 216, the first inlet pipe 213 is connected with the second inlet pipe 215 first Connecting tube 217, the second connecting tube 218 for connecting the first outlet pipe 214 with the second outlet pipe 216；Continuously given birth to for super imitative cotton polyester The device of production also includes being used for the moisture absorption mother liquor device for preparing moisture absorption mother liquor, and moisture absorption mother liquor device and the second esterification are anti- Answering the connection of device 22, super imitative cotton polyester fiber connects so as to which the moisture absorption mother liquor prepared is passed into the second esterification device 22 The device for spinning that continuous process units also includes with poly- system 4 is connected eventually.

Further, moisture absorption mother liquor device 6 includes connecting by adding pipeline G1 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 heating agent pipeline G2 connects with heating agent.Moisture absorption mother liquor device 6 also includes the DCS controls for monitoring and controlling moisture absorption mother liquor addition situation System, DCS control systems include being arranged on addition pipeline G1 be used for monitor the flowmeter 61 of moisture absorption mother liquid flow rate, for controlling The control valve 62 of moisture absorption mother liquid flow rate processed.

In this example, the junction of the first connecting tube 217 and the second inlet pipe 215 is provided with flow divider F1, the second connecting tube 218 The junction of first outlet pipe 214 is provided with triple valve F2.Device for spinning uses big Trilobal spinneret.Moisture absorption mother liquor includes second Glycol, the reaction monomers containing hydrophilic radical, polyethylene glycol and additive.Additive further includes pore former（Such as barium sulfate, carbon Sour calcium or other inorganic particles）And antioxidant.Reaction monomers containing hydrophilic radical such as sodiosulfoisophthalic acid, M-phthalic acid Potassium sulfonate, sodiosulfoisophthalic acid glycol ester, polyethylene glycol, ethanedioic acid, 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, it is of the present utility model to be used for super imitative cotton polyester quantity-produced device, 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 first esterification device of the present utility model In reaction kettle of the esterification body in the second inlet pipe of heating coil pass through first of the chuck on the first connecting tube and kettle outer wall Inlet pipe is connected, and is connected the second outlet pipe of heating coil with the first outlet pipe of chuck by the second connecting tube so that, When esterification reaction needs high temperature, liquid phase heating agent can be passed through into chuck, and the setting Jing Guo the second connecting tube is by chuck The liquid phase heating agent by heating export the recycling for the second outlet pipe, accomplishing liquid phase heating agent, the first esterification of the present utility model The programming rate when heating systems of reaction unit can accelerate esterification reaction ensures the high temperature demands of esterification reaction, so as to carry High esterification yield and product quality, reduce further consumption of raw materials and production cost.

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 (7)

1. one kind is used for super imitative cotton polyester quantity-produced device, the raw material being sequentially connected mixes supply system (1), esterification separation System (2), pre-polymerization system（3）, poly- system eventually（4）, first esterification for being esterified piece-rate system (2) and including being sequentially connected Device（21）With the second esterification device（22）And with first esterification device（21）Filled with the second esterification Put（22）Destilling tower in parallel（23）, it is characterised in that：First esterification device（21）Including esterification kettle （210）, be fixedly connected on the esterification kettle（210）Chuck on outer wall（211）, be arranged on the esterification kettle （210）Internal heating coil（212）And heating agent is connected for being first esterification device（21）Circulation thermal source is provided Pipeline circulating system, the pipeline circulating system include and the chuck（211）Inlet and outlet connection is used for gas phase heat First inlet pipe of matchmaker's circulation（213）With the first outlet pipe（214）And the heating coil（212）Inlet and outlet connection is used for Second inlet pipe of liquid phase heating agent circulation（215）With the second outlet pipe（216）, by first inlet pipe（213）With the second inlet pipe（215） First connecting tube of connection（217）, by first outlet pipe（214）With the second outlet pipe（216）Second connecting tube of connection （218）；It is described also to include being used for the moisture absorption mother liquor dress for preparing moisture absorption mother liquor for super imitative cotton polyester quantity-produced device Put, described moisture absorption mother liquor device and the second described esterification device（22）Connection is so as to female by the moisture absorption prepared Liquid is passed into second esterification device（22）In, described super imitative cotton polyester fiber continuous production device also includes and institute State poly- system eventually（4）The device for spinning of connection.

2. according to claim 1 be used for super imitative cotton polyester quantity-produced device, it is characterised in that：The moisture absorption mother liquor Device for formulating（6）Including with second esterification device（22）By adding pipeline（G1）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. according to claim 2 be used for super imitative cotton polyester quantity-produced device, 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. according to claim 2 be used for super imitative cotton polyester quantity-produced device, 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 heating agent pipeline （G2）Connected with heating agent.

5. according to claim 2 be used for super imitative cotton polyester quantity-produced device, 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 addition pipeline（G1）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. according to claim 1 be used for super imitative cotton polyester quantity-produced device, it is characterised in that：First connection Pipe（217）With the second inlet pipe（215）Junction be provided with flow divider（F1）, second connecting tube（218）With the first outlet pipe （214）Junction be provided with triple valve（F2）.

7. according to claim 1 be used for super imitative cotton polyester quantity-produced device, it is characterised in that：The device for spinning Using big Trilobal spinneret.