CN208517659U - A kind of supercritical dyeing dyestuff kettle and dyeing installation - Google Patents

Abstract

It is equipped with the flow for being shunted to the supercritical fluid flowed into from air inlet the utility model discloses a kind of supercritical dyeing dyestuff kettle and dyeing installation, in dyestuff autoclave body and is evenly distributed with area and the dyestuff dissolution zone for being dissolved to dyestuff.It is equipped at least one layer of sub- dyestuff dissolving layer in dyestuff dissolution zone, multiple dyestuff tanks for being used to contain dyestuff are equipped in every straton dyestuff dissolving layer, the material of dyestuff tank is sintering metal porous filter material.The material of dyestuff tank uses sintering metal porous filter material in pioneering release in this field, make full use of a large amount of holes inside porous metals, while guaranteeing that supercritical fluid can flow into inside dyestuff tank from gap, can guarantee again only solubilised state dyestuff can with supercritical fluid from dyestuff tank flow out, it enters and participates in dyeing in dyeing caldron, to effectively avoid undissolved dyestuff from entering in dyeing caldron, dyeing uniformity is helped to improve.

Description

A kind of supercritical dyeing dyestuff kettle and dyeing installation

Technical field

The utility model relates to supercritical dyeing technical field more particularly to a kind of supercritical dyeing dyestuff kettles and dyeing to set It is standby.

Background technique

In traditional dyeing course, we generally use water as main medium.A large amount of dyestuff, surfactant Etc. chemical substances can all cause undesirable influence to the sustainable development of environment.In addition, needing to carry out to the sewage of dyeing discharge The processing such as neutralization, sedimentation, require to spend a large amount of manpower and material resources.According to incompletely statistics, China's textile printing and dyeing industry year water consumption For amount up to 1,700,000,000 tons, the discharge of sewage reaches 1,600,000,000 tons.And in recent years, the water resource critical shortage of China's most area is special The problems such as being not sewage discharge serious further development for restricting dyeing and finishing industry.It is therefore prevented that pollution, it is effective to develop green Dyeing becomes the correct direction of the following dyeing and finishing.

In recent years, a kind of novel green staining method-supercritical CO₂Non-aqueous dyeing is to following dyeing and finishing industry band Dawn newly is carried out.The excellent features such as the technology is pollution-free since it is with high efficiency, and dyeing time is short, by favor.It should Technology uses supercritical CO₂As dyeing medium, in CO₂Being heated temperature is more than 31 DEG C, when pressure is more than 7.3MPa, this time-varying At a kind of state-above-critical state of non-non- liquid of gas.Then, it is suppressed by circulating pump continuous between dyestuff tank and dyeing pot Circulation, CO₂The dyestuff of dissolution is sent to the hole of fiber, contaminates dyestuff evenly and rapidly above fabric.Whole process is not required to The process clean, dried.At present many countries all the development of effort it is this with energy-saving and emission-reduction, it is widely applicable novel green Color equipment for dyeing and finishing, it is intended to industrialization is pushed it against, it is practical.

However, supercritical CO₂Waterless staining technique has been achieved with interim progress as a kind of novel staining technique, right The comprehensive discovery research of its process conditions, dyeing mechanism and dyeing installation have been relatively mature.But how by this technology from Scale is gradually pushed in laboratory to, mass production is had got long long way to go.Traditional dyestuff kettle is mostly simple monotubular knot Structure, supercritical fluid enter inside dyestuff kettle, due to the bulk deposition of dyestuff, cannot be dissolved in supercritical fluid in time and be flowed Body is washed away to dyeing caldron, causes dyeing uneven.In addition, the bulk deposition of dyestuff, causes the dyestuff in dye stacks middle position Due to being become molten condition by the effect of prolonged high temperature and pressure, it is not easy to the dissolution of dyestuff.

In view of the deficiencies of the prior art, how dyestuff kettle is improved, the dissolution of dyestuff can be accelerated while kept away Exempt from undissolved dyestuff to enter in dyeing caldron and cause the dyeing of fabric uneven, is a technical problem to be solved urgently.

Summary of the invention

The utility model is in order to solve the above problem and insufficient, provides a kind of supercritical dyeing dyestuff kettle and dyeing installation, It can accelerate the dissolution of dyestuff while undissolved dyestuff being avoided to enter in dyeing caldron and cause textile dyeing uneven.

Technical solution provided by the utility model is a kind of supercritical dyeing dyestuff kettle, including dyestuff autoclave body, the dyestuff The lower end of autoclave body is equipped with air inlet, and the side wall of the dyestuff autoclave body is equipped with gas outlet, be equipped in the dyestuff autoclave body for from The flow that the supercritical fluid that the air inlet flows into is shunted is evenly distributed with area and the dyestuff dissolution for being dissolved to dyestuff Area, the flow are evenly distributed with the lower section that area is located at the dyestuff dissolution zone；The supercritical fluid flowed into from the air inlet successively flows Area and the dyestuff dissolution zone are evenly distributed with, again from gas outlet outflow through the flow；It is equipped at least in the dyestuff dissolution zone One straton dyestuff dissolving layer, every layer of sub- dyestuff dissolving layer are interior equipped with multiple dyestuff tanks for being used to contain dyestuff, the dyestuff The material of tank is sintering metal porous filter material.

Further, the cross-sectional shape of the dyestuff tank be circle comprising dyestuff containing portion and with the dyestuff contain The upper cover of dress portion connection.

Further, support plate is removably equipped in the sub- dyestuff dissolving layer, the support plate is equipped with multiple logical Hole, the dyestuff tank and the through-hole are clamped.

Further, the lateral wall of the dyestuff tank is equipped with the first protrusion, and first protrusion is sealed with the through-hole Clamping.

Further, the inner sidewall of the dyestuff autoclave body is equipped with the second protrusion, second protrusion and the support plate Sealing clamping.

Further, the flow, which is evenly distributed in area, is equipped with multilayer orifice plate, and has between the orifice plate and the air inlet Certain distance.

Further, the height ratio of the dyestuff containing portion and the upper cover is 4:1.

Further, 3 dyestuff tanks are equipped in every layer of sub- dyestuff dissolving layer.

The utility model also proposes a kind of supercritical dyeing equipment, including described in dyestuff kettle, dyeing caldron, recycling kettle and connection Dyestuff kettle, dyeing caldron, the dye cycle system for recycling kettle, the dyestuff kettle are supercritical dyeing dyestuff kettle as described above.

Compared with prior art, the advantages and positive effects of the utility model are as follows:

1. the material of dyestuff tank uses sintering metal porous filter material in pioneering release in this field, porous gold is made full use of A large amount of holes inside belonging to while guaranteeing that supercritical fluid can flow into inside dyestuff tank from gap, and can guarantee only Having the dyestuff of solubilised state can enter as supercritical fluid is from the outflow of dyestuff tank and participate in dyeing in dyeing caldron, to have Effect avoids undissolved dyestuff from entering in dyeing caldron, helps to improve dyeing uniformity.

2. the cross-sectional shape of dyestuff tank is circle, i.e., its exterior contour is arcuation, effectively increases dyestuff and shooting flow The contact area of body helps to improve the solution rate of dyestuff.

3. the height ratio of two parts up and down of dyestuff tank is 1:4, facilitate the useful load for increasing dyestuff.

4. from air inlet flow into supercritical fluid, first pass through by perforated board group at the equal layer of cloth of flow flow into dyestuff again Tank, since the bore of air inlet is typically small, supercritical fluid is jet stream when flowing into from air inlet, and multilayer orifice plate can be by jet stream It is uniformly distributed that the supercritical fluid of shape carries out flow, then uniformly flows into dyestuff tank, facilitate supercritical fluid fully with dye Material contact improves solution rate.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram one of the utility model embodiment supercritical dyeing dyestuff kettle；

Fig. 2 is the structural schematic diagram two of the utility model embodiment supercritical dyeing dyestuff kettle；

Fig. 3 is the structural schematic diagram of the utility model embodiment dyestuff tank；

Fig. 4 is the structural schematic diagram of the utility model embodiment support plate.

Wherein, 100- dyestuff autoclave body, 110- air inlet, the gas outlet 120-, 130- end cap, the second protrusion of 140-, 200- stream It measures and is evenly distributed with area, 210- orifice plate, 300- dyestuff dissolution zone, the sub- dyestuff dissolving layer of 310-, 400- dyestuff tank, 410- dyestuff containing portion, 420- upper cover, the first protrusion of 430-, 500- support plate, 510- through-hole.

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.

The utility model discloses a kind of dyestuff kettle for supercritical dyeing system, especially a kind of applied to overcritical CO₂The dyestuff kettle of non-aqueous dyeing system, referring to Figures 1 and 2, shown in FIG. 1 is that dyestuff kettle has a straton dyestuff dissolving layer, figure It is that dyestuff kettle has two straton dyestuff dissolving layers shown in 2.Dyestuff kettle includes dyestuff autoclave body 100, and dyestuff autoclave body 100 is tubular knot Structure, lower end are equipped with air inlet 110, and the side wall of dyestuff autoclave body 100 is equipped with gas outlet 120, and the upper end of dyestuff autoclave body 100 is that can beat Closeable end cap 130 is opened, for placing and taking out dyestuff tank 400.It is equal that flow is successively arranged in dyestuff autoclave body 100 from the bottom to top Cloth area 200 and dyestuff dissolution zone 300, i.e. flow are evenly distributed with the lower section that area 200 is located at dyestuff dissolution zone 300.Flow is evenly distributed with the use of area 200 In to the supercritical CO flowed into from air inlet 110₂Fluid shunt and is evenly distributed with, and dyestuff dissolution zone 300 is used for placed within Dyestuff utilize supercritical CO₂Fluid is dissolved.The supercritical CO flowed into from air inlet 110₂Fluid is uniformly distributed followed by flow Area 200 and dyestuff dissolution zone 300 are flowed out from gas outlet 120 again.At least one layer of sub- dyestuff dissolution is equipped in dyestuff dissolution zone 300 Layer 310, every straton dyestuff dissolving layer 310 are interior equipped with multiple dyestuff tanks 400 for being used to contain dyestuff.

The supercritical CO flowed into from air inlet 110₂Fluid, since the bore of air inlet 110 is typically small, supercritical CO₂Stream Body is jet stream when flowing into from air inlet 110, and flow is evenly distributed with area 200 can be by the supercritical CO of jet-like₂It is equal that fluid carries out flow Then cloth uniformly flows into dyestuff tank 400, facilitates supercritical CO₂Fluid is fully fast with dye contacts, raising dissolution Degree.

The material of dyestuff tank 400 is used sintering metal porous filter material in pioneering release in this field by the utility model, A large amount of holes inside porous metals are made full use of, are guaranteeing supercritical CO₂Fluid can flow into inside dyestuff tank 400 from gap While, and can guarantee that the dyestuff of only solubilised state can be with supercritical CO₂Fluid is flowed out from dyestuff tank 400, is entered Dyeing is participated in into dyeing caldron, so that undissolved dyestuff effectively be avoided to enter in dyeing caldron, helps to improve even dyeing Property.

The supercritical CO flowed into from air inlet 110₂Fluid, first passes through flow and is evenly distributed with area 200 and shunted, after being homogenised for Supercritical CO₂Fluid enters in dyestuff dissolution zone 300, flows into inside dyestuff tank 400 through the gap on 400 side wall of dyestuff tank, The dyestuff being placed in inside dyestuff tank 400 is dissolved.Only the dyestuff of solubilised state can be with supercritical CO₂Fluid from Dyestuff tank 400 flows out, and finally flows out from gas outlet 120, wait enter dyeing caldron to dye.It is set when in dyestuff dissolution zone 300 When having the sub- dyestuff dissolving layer 310 of multilayer, dyestuff in the dyestuff tank 400 of bottom is first sufficiently and supercritical CO₂Fluid contact It is dissolved to saturation state, the supercritical CO of saturation state₂Fluid then can not to be located at top layer dyestuff tank 400 in dyestuff into Row dissolution.The sub- dyestuff dissolving layer 310 of multilayer is set, the dyestuff useful load of dyestuff tank 400 can be increased, is suitable for high-volume scale Metaplasia produces.Supercritical CO₂Fluid repeatedly constantly recycles in dyestuff tank 400, until all dyestuffs are all dissolved.

In order to increase the contact area of dyestuff and supercritical fluid, improve the solution rate of dyestuff, setting dyestuff tank 400 Cross-sectional shape be circle, i.e., its exterior contour be class egg-shape arcuation comprising dyestuff containing portion 410 and with dyestuff contain The upper cover 420 that dress portion 410 connects, referring to Fig. 3.Dyestuff tank 400 is generally rectangular in shape in the prior art, rectangular-shaped dyestuff Tank will appear dead angle phenomenon, be unfavorable for dyestuff and supercritical CO₂Fluid comes into full contact with.At the same time, the dyestuff of class egg shape Tank 400 also effectively prevents the bulk deposition of dyestuff, avoids the dyestuff for being placed in middle position due to by prolonged high temperature High pressure effect becomes molten condition, is unfavorable for the dissolution of dyestuff.For the ease of installation and removal, dyestuff containing portion 410 and upper cover Spiro connection structure is used between 420.

Support plate 500 is removably equipped in sub- dyestuff dissolving layer 310, referring to Fig. 4, support plate 500 is equipped with multiple logical Hole 510, the quantity of through-hole 510 is identical as the quantity of dyestuff tank 400 in sub- dyestuff dissolving layer 310, for placing dyestuff tank 400.Dyestuff tank 400 and through-hole 510 are clamped, and to realize the connection of dyestuff tank 400 Yu support plate 500, and are easily installed and are dismantled. Specifically, the lateral wall of dyestuff tank 400 is equipped with the first protrusion 430, and the first protrusion 430 is clamped with the sealing of through-hole 510.

Connection structure between support plate 500 and dyestuff autoclave body 100 is also clamping form, is easily installed and dismantles.Dyestuff The inner sidewall of autoclave body 100 is equipped with the second protrusion 140, and the second protrusion 140 is clamped with the sealing of support plate 500.

When installation, the load weighted dyestuff for dyeing is first put into dyestuff containing portion 410, by dyestuff containing portion 410 It is spirally connected with upper cover 420, it is whole to form dyestuff tank 400；The end cap 130 for opening dyestuff autoclave body 100, by assembled dyestuff tank 400 In installation to support plate 500, the first protrusion 430 is clamped with the sealing of through-hole 510；The support plate 500 for being equipped with dyestuff tank 400 is pacified It is filled in dyestuff autoclave body 100, the second protrusion 140 is clamped with the sealing of support plate 500；End cap 130 is closed, supercritical CO is waited₂Stream Body flows into dyestuff autoclave body 100 from air inlet 110 dissolves dyestuff.

The sealing between sealing and support plate 500 and dyestuff autoclave body 100 between dyestuff tank 400 and through-hole 510, Ke Yibao Demonstrate,prove supercritical CO₂Fluid will not be revealed under flow at high speed there is the phenomenon that air flow shortcircuit, it is ensured that dyestuff and supercritical CO₂Fluid It comes into full contact with, improves dyestuff in supercritical CO₂Meltage in fluid.

Flow is evenly distributed with supercritical CO of the area 200 to the jet-like entered from air inlet 110₂Being evenly distributed with for fluid is to pass through multilayer What orifice plate 210 was realized.Orifice plate 210 is the plate with multiple apertures, and multiple apertures are to supercritical CO₂Fluid is shunted, real It is now uniformly distributed, make the supercritical CO entered in dyestuff dissolution zone 300₂The flow velocity of fluid is more uniform, enable dyestuff fully with Supercritical CO₂Fluid contact, improves solution rate.There is certain distance between orifice plate 210 and air inlet 110, avoid jet-like Supercritical CO₂Fluid is directly projected from the aperture of 110 face of air inlet, to improve the uniformly distributed effect of flow.Preferably, The present embodiment orifice plate 210 is equipped with three layers, and the aperture on two layers adjacent of orifice plate is staggered, and it is uniformly distributed to further increase flow Effect.

In order to be suitable for high-volume large-scale production, increase dyestuff useful load, the height L1 of dyestuff containing portion 410 with it is upper The height L2 ratio of lid 420 is L1:L2=4:1.

In practical applications, a straton dyestuff dissolving layer 310, the sub- dye are only included in the present embodiment dyestuff dissolution zone 300 Expect to be equipped with 3 dyestuff tanks 400 in dissolving layer 310.Certainly, according to the actual needs of production, the quantity of sub- dyestuff dissolving layer 310 and The quantity of dyestuff tank 400 can be with flexible setting.

Supercritical CO is carried out using dyestuff kettle disclosed in the present embodiment₂When non-aqueous dyeing, comprising the following steps:

1. supercritical CO is used for after weighing well₂The dyestuff of non-aqueous dyeing is placed in dyestuff containing portion 410, and dyestuff is contained Dress portion 410 is spirally connected with upper cover 420, and it is whole to form dyestuff tank 400；The end cap 130 for opening dyestuff autoclave body 100, by assembled dye In the installation to support plate 500 of batch can 400, the first protrusion 430 is clamped with the sealing of through-hole 510；The support of dyestuff tank 400 will be installed In the installation to dyestuff autoclave body 100 of plate 500, the second protrusion 140 is clamped with the sealing of support plate 500；Close end cap 130.

2. by the CO of pressurized, heated to above-critical state₂Fluid is squeezed into from air inlet 110, supercritical CO₂Fluid first flows through orifice plate 210, the supercritical CO after flow is uniformly distributed₂Fluid enters back into dissolving dye in dyestuff tank 400, and the dyestuff of only solubilised state can With supercritical CO₂Fluid is flowed out from dyestuff tank 400, then is flowed out from gas outlet 120 for dyeing.

It is placed in dyeing caldron in advance and washs yarn, the supercritical fluid CO 2 for carrying dyestuff is squeezed into dyeing caldron, it is to be recycled It after a period of time, washs yarn and uniformly paints, pattern phenomenon do not occur.

A kind of supercritical dyeing equipment, including dyestuff kettle, dyeing caldron, recycling kettle and connection dyestuff is also disclosed in the utility model Kettle, dyeing caldron, the dye cycle system for recycling kettle, wherein dyestuff kettle is supercritical dyeing dyestuff kettle disclosed in the present embodiment.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (9)

1. the lower end of a kind of supercritical dyeing dyestuff kettle, including dyestuff autoclave body, the dyestuff autoclave body is equipped with air inlet, the dyestuff The side wall of autoclave body is equipped with gas outlet, which is characterized in that is equipped in the dyestuff autoclave body for surpassing to from the air inlet inflow The flow that critical fluids are shunted is evenly distributed with area and the dyestuff dissolution zone for being dissolved to dyestuff, and the flow is evenly distributed with position In the lower section of the dyestuff dissolution zone；The supercritical fluid flowed into from the air inlet is evenly distributed with Qu Hesuo followed by the flow State dyestuff dissolution zone, again from gas outlet outflow；It is equipped at least one layer of sub- dyestuff dissolving layer in the dyestuff dissolution zone, every layer Equipped with multiple for containing the dyestuff tank of dyestuff in the sub- dyestuff dissolving layer, the material of the dyestuff tank is that sintering metal is porous Filtering material.

2. supercritical dyeing dyestuff kettle according to claim 1, which is characterized in that the cross-sectional shape of the dyestuff tank is It is round comprising dyestuff containing portion and the upper cover being connect with the dyestuff containing portion.

3. supercritical dyeing dyestuff kettle according to claim 2, which is characterized in that detachable in the sub- dyestuff dissolving layer Ground is equipped with support plate, and the support plate is equipped with multiple through-holes, and the dyestuff tank and the through-hole are clamped.

4. supercritical dyeing dyestuff kettle according to claim 3, which is characterized in that the lateral wall of the dyestuff tank is equipped with First protrusion, first protrusion are clamped with through-hole sealing.

5. supercritical dyeing dyestuff kettle according to claim 3, which is characterized in that set on the inner sidewall of the dyestuff autoclave body There is the second protrusion, second protrusion is clamped with support plate sealing.

6. supercritical dyeing dyestuff kettle according to any one of claims 1-5, which is characterized in that the flow is evenly distributed with area It is interior to be equipped with multilayer orifice plate, and there is certain distance between the orifice plate and the air inlet.

7. the supercritical dyeing dyestuff kettle according to any one of claim 2-5, which is characterized in that the dyestuff containing portion Height ratio with the upper cover is 4:1.

8. supercritical dyeing dyestuff kettle according to any one of claims 1-5, which is characterized in that every layer of sub- dyestuff 3 dyestuff tanks are equipped in dissolving layer.

9. a kind of supercritical dyeing equipment, including dyestuff kettle, dyeing caldron, recycling kettle and the connection dyestuff kettle, dyeing caldron, recycling The dye cycle system of kettle, which is characterized in that the dyestuff kettle is supercritical dyeing of any of claims 1-8 dye Material kettle.