CN209412511U - Supercritical CO 2 non-aqueous dyeing cheese yarn dyeing kettle - Google Patents

Abstract

The utility model proposes a kind of supercritical COs₂Non-aqueous dyeing cheese yarn dyeing kettle, dyeing caldron inducer internal diameter are less than its main paragraph internal diameter, and inducer bottom end is connected with air inlet pipe；Cylinder yarn fixing seat is equipped in main paragraph, cylinder yarn fixing seat includes fixed plate and multiple yarn axis, and dyeing caldron inner space is divided into upper space and lower space by fixed plate, and yarn axis is vertically arranged and is located in upper space；Yarn axis is the tubulose that liquid discharge orifice and top closure, bottom end opening are provided on tube wall, and the bottom end opening of yarn axis is connected to by through-hole with lower space in fixed plate；Being horizontally disposed in lower space has homogenizing plate, and several tap holes are laid on homogenizing plate.Homogenizing plate is set in dyeing caldron lower space, blocking through homogenizing plate after fluid is entered by air inlet pipe reduces the flow velocity of fluid at inducer, and is uniformly distributed to fluid in each yarn axis through tap hole shunting, so that assignment of traffic is uniform when multiple cylinder yarns dye simultaneously, level-dyeing property is improved.

Description

Supercritical CO2Non-aqueous dyeing cheese yarn dyeing kettle

Technical field

The utility model belongs to staining technique field, and in particular to supercritical CO₂Cheese yarn dyeing kettle in non-aqueous dyeing system Structure improve.

Background technique

Supercritical CO₂Waterless staining technique has been achieved with interim progress as a kind of novel staining technique, to its work The joint exploratory development of skill condition, dyeing mechanism and dyeing installation have been relatively mature.Supercritical carbon dioxide non-aqueous dyeing In system, dyestuff kettle is very important a kind of equipment, and circulating pump is by postcritical CO₂It suppresses in diversion pipe, is contaminating it It is constantly recycled between material kettle and dyeing caldron, the dyestuff in dyestuff kettle is by postcritical CO₂Dissolution, and with supercritical CO₂It is transported to dye In color kettle between the hole of object to be contaminated, contaminate dyestuff evenly and rapidly wait contaminate on object, whole process does not need to clean.

Dyeing for cylinder yarn is that yarn is wrapped on a metal or disposable plastic pipe, is then fitted into dyeing In kettle, in presently disclosed patent document, the structure of the dyeing caldron of cheese yarn dyeing is carried out as shown in Figure 1, the top of dyeing caldron 1 is set Cylinder yarn entrance 2 is set, cylinder yarn entrance 2 configures sealing cover 3, and yarn axis 4 is arranged in the center vertical in dyeing caldron 1, and cylinder yarn is arranged In the yarn on axis 4, yarn axis 4 is that the escape pipe of liquid discharge orifice 4.1 is provided on tube wall, 1 bottom of dyeing caldron be arranged into Tracheae 5, air inlet pipe 5 and yarn axis 4(escape pipe) it is connected to, while 1 inner bottom surface of dyeing caldron surrounds yarn axis 4(escape pipe) set Cylinder yarn sealing ring 7 is set, dyeing caldron is set on dyeing caldron 1 and exports 6.When dyeing, the circulating pump in dye cycle system, dye are opened Material is gradually dissolved, and with CO₂Fluid is entered in yarn axis 4 by air inlet pipe 5, is released by the fluid on yarn axis 4 Discharge hole outflow penetrates coloring, diffusion process yarn reaches in dyeing caldron 1 since internal layer outer layers, and continues for some time.

Current this cheese yarn dyeing kettle structure is only suitable for single cheese yarn dyeing, and production efficiency is low, to simultaneously to multiple Cylinder yarn is dyed, need the dyeing caldron of multiple groups parallel connection with reach and meanwhile continous way produce, to improve production efficiency, however can add Big equipment cost and maintenance cost, and multiple cylinder yarns dye simultaneously, how to guarantee the technical problem that level-dyeing property is also intended to overcome.

In view of the above-mentioned problems existing in the prior art, a kind of supercritical CO how is designed₂Non-aqueous dyeing cheese yarn dyeing kettle, it is special It is not adapted for the supercritical CO of multiple cylinder yarns while dyeing₂Non-aqueous dyeing improves production efficiency on the basis of guaranteeing level-dyeing property, Equipment cost is reduced, this is a technical problem to be solved urgently.

Utility model content

In order to solve the above problems existing in the present technology and insufficient, the utility model provides a kind of supercritical CO₂It is anhydrous Cheese yarn dyeing kettle is dyed, multiple cylinder yarns can be dyed simultaneously, improve production efficiency, reduces equipment cost, and good level-dyeing property.

To achieve the purpose that solve above-mentioned technical problem, the utility model is achieved through the following technical solutions: one kind is super to face Boundary CO₂Non-aqueous dyeing cheese yarn dyeing kettle, the dyeing caldron include the inducer of taper and the main paragraph above inducer, institute The internal diameter for stating inducer is less than the internal diameter of the main paragraph, and the bottom end of the inducer is connected with air inlet pipe；In the main paragraph Equipped with cylinder yarn fixing seat, the cylinder yarn fixing seat includes horizontally disposed fixed plate and multiple yarns for being installed in the fixed plate Line axis, the inner wall of the edge of the fixed plate and the dyeing caldron, which seals, to be cooperated, and the fixed plate is by the dyeing caldron Inner space be divided into upper space and lower space, the yarn axis is vertically arranged and is located in the upper space； The yarn axis is the tubulose that liquid discharge orifice and top closure, bottom end opening are provided on tube wall, is had in the fixed plate The bottom end opening of the yarn axis is connected to the lower space with the through-hole that the yarn axis is arranged in a one-to-one correspondence；Institute It states to be horizontally disposed in lower space and has homogenizing plate, several tap holes are laid on the homogenizing plate.

The edge of the homogenizing plate is resisted against on the inner wall of the inducer.

The inducer and the main paragraph are coaxial, and the air inlet pipe is connected to the bottom dead center position of the inducer Locate, be entity at the center of the homogenizing plate, the tap hole is located at the central periphery of the homogenizing plate.

The tap hole is distributed on the homogenizing plate by concentric ring battle array structural separation.

The aperture of the tap hole is 1mm.

The fixed plate is located at the inducer with the intersection of the main paragraph and the edge of the fixed plate is supported On the inner wall for leaning against the inducer.

Through-hole in the fixed plate is threaded hole, and the bottom end of the yarn axis has external screw thread, the yarn axis Bottom end and the fixed plate on through hole whorl cooperate.

Compared with prior art, the utility model has the advantages that: by the way that cylinder is arranged in dyeing caldron Yarn fixing seat, is arranged multiple yarn axis in fixed plate, a settable cylinder yarn on when dyeing each yarn axis, yarn axis with Lower space connection below cylinder yarn fixing seat fixed plate, to be connected to air inlet pipe, so that being carried by what air inlet pipe entered The supercritical CO of dyestuff₂Fluid can enter each yarn axis, then flow out from the liquid discharge orifice of yarn axis and carry out to cylinder yarn Dyeing, and by the way that horizontal homogenizing plate is arranged in lower space, multiple tap holes are laid on homogenizing plate, carry the super of dyestuff Critical CO₂Fluid is entered in kettle after lower space by air inlet pipe, by the blocking of homogenizing plate, reduces the stream of fluid at inducer Speed, and the shunting function through tap hole are uniformly distributed to fluid in each yarn axis, so that multiple cylinder yarns are simultaneously Assignment of traffic is uniform when dyeing, and then improves level-dyeing property when multiple cylinder yarns dye simultaneously.

Detailed description of the invention

Fig. 1 is prior art supercritical CO₂The structural schematic diagram of non-aqueous dyeing cheese yarn dyeing kettle；

Fig. 2 is the utility model supercritical CO₂The structural schematic diagram of non-aqueous dyeing cheese yarn dyeing kettle；

Fig. 3 is the utility model supercritical CO₂The structural schematic diagram of the homogenizing plate of non-aqueous dyeing cheese yarn dyeing kettle；

Fig. 4 is the utility model supercritical CO₂The fixed plate structure of the cylinder yarn fixing seat of non-aqueous dyeing cheese yarn dyeing kettle shows It is intended to.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Referring to fig. 2 to Fig. 4, the utility model supercritical CO₂Non-aqueous dyeing cheese yarn dyeing kettle, the inducer 10 including taper With the main paragraph 20 for being located at 10 top of inducer, the internal diameter of inducer 10 is less than the internal diameter of main paragraph 20, the bottom end of inducer 10 It is connected with air inlet pipe 30, inducer 10 and main paragraph 20 surround the inner space of dyeing caldron jointly；Cylinder yarn is equipped in main paragraph 20 Fixing seat 40, cylinder yarn fixing seat 40 include horizontally disposed multiple yarn axis fixed plate 41 and be installed in fixed plate 41 42, the edge of fixed plate 41 and the inner wall of dyeing caldron seal and cooperate, and can specifically be arranged in the edge of fixed plate 41 close The inner wall of seal and dyeing caldron is sealed cooperation, and the inner space of dyeing caldron is divided into upper space 50 under by fixed plate 41 Portion space 60, upper space 50 are used as main dyeing space, and yarn axis 42 is vertically arranged and is located in upper space 50；Such as Shown in Fig. 2, yarn axis 42 is the tubulose that liquid discharge orifice 421 and top closure, bottom end opening are provided on tube wall, such as Fig. 4 institute Show that there is the through-hole 411 being arranged in a one-to-one correspondence with yarn axis 42 in fixed plate 41, yarn axis 42 makes with the cooperation of through-hole 411 Through-hole 411 is obtained to be connected to the bottom end opening of yarn axis 42 with lower space 60；Being horizontally disposed in lower space 60 has homogenizing plate 70, several tap holes 71 are laid on homogenizing plate 70.

Multiple yarn axis 42 are set by the way that cylinder yarn fixing seat 40 is arranged in dyeing caldron, in fixed plate 41, when dyeing The lower space 60 of a settable cylinder yarn on each yarn axis 42,41 lower section of yarn axis 41 and fixed plate is connected to, thus with into Tracheae 30 is connected to, so that the supercritical CO for carrying dyestuff entered by air inlet pipe 30₂Fluid can enter each yarn axis 42, so Cylinder yarn is dyed from the outflow of the liquid discharge orifice 421 of yarn axis 42 afterwards；The horizontal homogenizing plate of setting in lower space 60 70, multiple tap holes 71 are laid on homogenizing plate 70, then carry the supercritical CO of dyestuff₂Under fluid is entered in kettle by air inlet pipe 30 Behind portion space 60, by the blocking of homogenizing plate 70, the flow velocity of fluid at inducer, and the shunting function through tap hole is reduced, is made Fluid is uniformly distributed in each yarn axis 42, so that assignment of traffic is uniform when multiple cylinder yarns dye simultaneously, in turn Level-dyeing property when improving multiple cylinder yarns while dyeing.

Homogenizing plate 70 is resisted against on the inner wall of inducer 10 under self gravitation effect, and then fixed, no setting is required other Fixed structure.Certainly, it is the placement stability for ensuring homogenizing plate 70, a circle support rim can be set on the inner wall of inducer 10 To support the edge of homogenizing plate 70.

As shown in Fig. 2, inducer 10 and main paragraph 20 are coaxial, i.e., axis is overlapped, and air inlet pipe 30 is connected to inducer 10 At bottom dead center position, CO is squeezed into from the bottom center of inducer 10₂Fluid, since the internal diameter of inducer 10 is small, then fluid exists Flowing in dyeing caldron lower space 60 exists at dyeing caldron inducer and flow velocity is big at close dyeing caldron central axis, and The small problem of flow velocity at the wall surface of lower space 60, to solve this problem, in the present embodiment at the center of homogenizing plate 70 At 30 face of 72(, that is, air inlet pipe) it is entity, as shown in figure 3, tap hole 71 is located at 72 periphery at the center of homogenizing plate 70.Flow 72 do not open up tap hole at the center of plate 70, then effectively stop the fluid entered by inlet tube 30, spread fluid to the periphery, warp Peripheral tap hole 71 enters 70 top of homogenizing plate, subsequently into each yarn axis 42.

Further, tap hole 71 is distributed on homogenizing plate 70 by concentric ring battle array structural separation, i.e., tap hole 71 surrounds more A concentric circles, each circumferentially spaced about several tap holes 71 of setting, to make to shunt more uniform.

The aperture of tap hole 71 is advisable with 1mm.

For fixed plate 40, as shown in Fig. 2, its intersection for being located at inducer 10 and main paragraph 20, to make inducer 10 corresponding inner spaces are the lower space 60, and the corresponding inner space of main paragraph 20 is upper space 50, then flow Plate 70 can flow inner space corresponding to inducer 10 (lower space 60)；The internal diameter and main paragraph 20 of fixed plate 41 Internal diameter be adapted, fixed plate 41 is resisted against on the inner wall of inducer 10 with its edge, is specifically resisted against inducer 10 On inner wall at top end opening, realizes and seal between the edge setting sealing ring and the inner wall of inducer 10 of fixed plate 41.

Through-hole for fixed setting mode of the yarn axis 42 in fixed plate 41, in the present embodiment in fixed plate 41 411 be threaded hole, and the bottom end of yarn axis 42 has external screw thread, the bottom end of yarn axis 42 and the through-hole spiral shell in fixed plate 41 Line cooperation.Equally, to realize sealing, it is also provided with sealing ring 43 around the bottom end of yarn axis 42, as shown in Figure 2.

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model Protect range.

Claims (7)

1. a kind of supercritical CO₂Non-aqueous dyeing cheese yarn dyeing kettle, it is characterised in that: the dyeing caldron include taper inducer and Main paragraph above inducer, the internal diameter of the inducer are less than the internal diameter of the main paragraph, the bottom end of the inducer It is connected with air inlet pipe；Be equipped with cylinder yarn fixing seat in the main paragraph, the cylinder yarn fixing seat include horizontally disposed fixed plate and The multiple yarn axis being installed in the fixed plate, the edge of the fixed plate and the inner wall sealing of the dyeing caldron are matched It closes, the inner space of the dyeing caldron is divided into upper space and lower space by the fixed plate, and the yarn axis is vertical It is arranged and is located in the upper space；The yarn axis is to be provided with liquid discharge orifice and top closure, bottom end are opened on tube wall Mouthful tubulose, have in the fixed plate through-hole that is arranged in a one-to-one correspondence with the yarn axis by the bottom end of the yarn axis Opening is connected to the lower space；Being horizontally disposed in the lower space has homogenizing plate, is laid on the homogenizing plate several Tap hole.

2. supercritical CO according to claim 1₂Non-aqueous dyeing cheese yarn dyeing kettle, it is characterised in that: the four of the homogenizing plate Circumferential edges are resisted against on the inner wall of the inducer.

3. supercritical CO according to claim 2₂Non-aqueous dyeing cheese yarn dyeing kettle, it is characterised in that: the inducer and institute State that main paragraph is coaxial, the air inlet pipe is connected at the bottom dead center position of the inducer, is at the center of the homogenizing plate Entity, the tap hole are located at the central periphery of the homogenizing plate.

4. supercritical CO according to claim 3₂Non-aqueous dyeing cheese yarn dyeing kettle, it is characterised in that: the tap hole is in institute It states and is distributed on homogenizing plate by concentric ring battle array structural separation.

5. supercritical CO according to claim 1₂Non-aqueous dyeing cheese yarn dyeing kettle, it is characterised in that: the hole of the tap hole Diameter is 1mm.

6. supercritical CO according to claim 1₂Non-aqueous dyeing cheese yarn dyeing kettle, it is characterised in that: the fixed plate is located at The edge of the intersection of the inducer and the main paragraph and the fixed plate is resisted against on the inner wall of the inducer.

7. supercritical CO according to claim 1₂Non-aqueous dyeing cheese yarn dyeing kettle, it is characterised in that: in the fixed plate Through-hole is threaded hole, and the bottom end of the yarn axis has an external screw thread, on the bottom end of the yarn axis and the fixed plate Through hole whorl cooperation.