CN203284610U

CN203284610U - Supercritical carbon dioxide fluid dyeing device with three dyeing cylinders

Info

Publication number: CN203284610U
Application number: CN2013203755517U
Authority: CN
Inventors: 吴建华
Original assignee: WUXI HUAYANG DYEING AND FINISHING MACHINERY
Current assignee: WUXI HUAYANG DYEING AND FINISHING MACHINERY
Priority date: 2013-06-20
Filing date: 2013-06-20
Publication date: 2013-11-13
Anticipated expiration: 2023-06-20

Abstract

A supercritical carbon dioxide fluid dyeing device with three dyeing cylinders comprises a liquid carbon dioxide storage tank, a carbon dioxide injecting high-pressure pump, a heater, a dyestuff mixing tank, a mixed dyestuff injecting high-pressure pump, a dyeing cylinder set, a pressure reduction cooling device, a separating kettle, a condenser and a precision filter. The supercritical carbon dioxide fluid dyeing device with the three dyeing cylinders is characterized in that the liquid carbon dioxide storage tank is sequentially connected with the carbon dioxide injecting high-pressure pump, the heater, the dyestuff mixing tank, the mixed dyestuff injecting high-pressure pump, the dyeing cylinder set, the pressure reduction cooling device, the separating kettle, the condenser and the precision filter. The dyeing cylinder set is provided with the three dyeing cylinders, each dyeing cylinder is respectively connected with an inlet valve of the dyeing cylinder and an outlet valve of the dyeing cylinder, the inlet valve of each dyeing cylinder is connected with the mixed dyestuff injecting high-pressure pump, and the outlet valve of each dyeing cylinder is connected with the pressure reduction cooling device. The supercritical carbon dioxide fluid dyeing device with the three dyeing cylinders has the advantages that generation of dyeing waste water and waste is avoided, green, environment-friendly and clean production is achieved, cost is low, and economic benefits and environmental benefits are obvious.

Description

A kind of dyeing apparatus of supercritical carbon dioxide fluid with three dye vats

Technical field

The utility model relates to the dyeing installation of using in a kind of weaving, dyeing and finishing industry, more particularly, relates to a kind of dyeing apparatus of supercritical carbon dioxide fluid with three dye vats.

Background technology

The traditional dyeing of textiles adds to be that a hygrometric state chemistry adds process, needs to consume a large amount of water resource and chemicals, and produces the colorful wastewater of a large amount of high concentrations, high COD, and serious pollution has been caused in its peripheral waters and ecological environment.

At present, the supercritical CO 2 dyeing technology has obtained interim progress as a kind of novel green dyeing and finishing technique, and is comparatively ripe to the associating exploratory development of its process conditions, dyeing mechanism and dyeing installation.But because dyeing need to realize by the dyeing installation of special use, disposable input cost is higher.In addition, because existing equipment is all single formula device, having caused can the low problem of consumption high efficiency.

Summary of the invention

the utility model is for the problems referred to above, a kind of dyeing apparatus of supercritical carbon dioxide fluid with three dye vats is provided, replace traditional water bath to the fabric processing of dyeing with supercritical carbon dioxide fluid, due to dye-free waste water and other generation of waste materials, can thoroughly realize green, environmental protection, clean production, have advantages of and save water and energy simultaneously, by a plurality of staining jars of composite joint, dyeing simultaneously on same set of supercritical dyeing equipment, supercritical CO 2 dyeing technique is widely used in the dyeing and finishing field, met simultaneously the requirement of the many kinds of small lot and ecological, environmental protective green processing, solved the kind that causes due to existing supercritical CO 2 dyeing tables of equipment same form dyeing apparatus single, repeat the problems such as running device energy consumption high efficiency is low.

the technical solution of the utility model is: a kind of dyeing apparatus of supercritical carbon dioxide fluid with three dye vats, comprise liquid carbon dioxide storage tank, the carbon dioxide injection high-pressure pump, heater, the dyestuff mixing tank, mixed dye injects high-pressure pump, the staining jar group, the decompression cooler, separating still, condenser, accurate filter, it is characterized in that: the described liquid carbon dioxide storage tank carbon dioxide injection high-pressure pump that is linked in sequence, heater, the dyestuff mixing tank, mixed dye injects high-pressure pump, the staining jar group, the decompression cooler, separating still, condenser, accurate filter, described staining jar group has three staining jars, every staining jar separately respectively with the staining jar imported valve, the staining jar outlet valve connects, the imported valve of every staining jar injects high-pressure pump with mixed dye and is connected, the outlet valve of every staining jar is connected with the decompression cooler.

The beneficial effects of the utility model are: compared with prior art, the outstanding characteristics of the utility model are the staining jar by a plurality of different structures of composite joint, make equipment realize the diversity production of product, supercritical CO 2 dyeing technique is widely used in the dyeing and finishing field, met simultaneously the requirement of the many kinds of small lot and ecological, environmental protective green processing, this equipment has that integrated cost is low, the characteristics of economic benefit, obvious environment benefit.

Compare with traditional water dyeing technique, the supercritical carbon dioxide fluid dyeing machine has the following advantages: (1) not water, without contaminated wastewater deposits yields and discharging, textile enterprise needn't pay huge wastewater treatment expense again, have the characteristics such as ecological, environmental protective and fabric variety wide adaptability, belong to the dyeing and finishing technology of environment-friendly type; (2) reduce pressure after dyeing finishes, carbon dioxide gasifies rapidly, thereby does not need to dye post-drying, has both shortened technological process, has saved again the required energy of drying; (3) dyeing speed is fast, and level dyeing and through-dyeing can be good, and the reappearance of dyeing is splendid; (4) carbon dioxide itself nontoxic, tasteless, do not fire, reusable; (5) dyestuff can reuse, and need not to add the auxiliary agents such as any dispersant, levelling agent and buffer during dyeing, has reduced production cost, has reduced pollution, has the plurality of advantages such as energy-saving and emission-reduction, at dyeing, is used.

Description of drawings

Fig. 1 is apparatus structure schematic diagram of the present utility model.

In figure, 1. liquid carbon dioxide storage tank, 2. carbon dioxide injection high-pressure pump, 3. heater, 4. dyestuff mixing tank, 5. mixed dye injects high-pressure pump, 6. staining jar group, 7. decompression cooler, 8. separating still, 9. condenser, 10. accurate filter, No. 61. staining jars, 62. No. two staining jars, 63. No. three staining jars, 610. staining jar imported valves, 620. No. two staining jar imported valves, 630. No. three staining jar imported valves, 611. a staining jar outlet valve, 621. No. two staining jar outlet valves, 631. No. three staining jar outlet valves.

The specific embodiment

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

as shown in Figure 1, a kind of dyeing apparatus of supercritical carbon dioxide fluid with three dye vats in the utility model, comprise liquid carbon dioxide storage tank 1, carbon dioxide injection high-pressure pump 2, heater 3, dyestuff mixing tank 4, mixed dye injects high-pressure pump 5, staining jar group 6, decompression cooler 7, separating still 8, condenser 9, accurate filter 10, it is characterized in that: the described liquid carbon dioxide storage tank 1 carbon dioxide injection high-pressure pump 2 that is linked in sequence, heater 3, dyestuff mixing tank 4, mixed dye injects high-pressure pump 5, staining jar 6, decompression cooler 7, separating still 8, condenser 9, accurate filter 10, described staining jar group 6 has three staining jars, every staining jar separately respectively with the staining jar imported valve, the staining jar outlet valve connects, the imported valve of every staining jar injects high-pressure pump 5 with mixed dye and is connected, the outlet valve of every staining jar is connected with decompression cooler 7.

The course of work of the present utility model is: the liquid carbon dioxide that will be stored in liquid carbon dioxide storage tank 1 is forced into critical pressure (more than 7.38MPa by carbon dioxide injection high-pressure pump 2 with carbon dioxide, more than heater via 3 was heated to critical-temperature (31.1 ℃) with its temperature again, the carbon dioxide of this moment was supercriticality.Supercritical carbon dioxide fluid enters in the dyestuff mixing tank 4 that dyestuff is housed and fully contacts its dissolving with it, the dyestuff that dissolves injects high-pressure pump 5 by mixed dye and enters the staining jar group 6 that textiles to be dyed is housed and realize dyeing course, after dyeing finishes, supercritical carbon dioxide changes gaseous carbon dioxide into through decompression cooler 7, successfully separate through separating still 8, be cooled to liquid carbon dioxide by condenser 9, then send back in liquid carbon dioxide storage tank 1 and participate in dyeing next time after by accurate filter 10, liquid carbon dioxide being purified.

during dyeing, the polyester knitting thing of packing in a staining jar 61, the dyestuff disperse blue 74 of packing in dyestuff mixing tank 4, after liquid carbon dioxide is pressurizeed with carbon dioxide injection high-pressure pump 2, send in dyestuff mixing tank 4 after heater via 3 heating again, open staining jar imported valve 610 No. one, the dyestuff that dissolves is injected high-pressure pump 5 by mixed dye enter the staining jar 61 that polyester knitting thing to be dyed is housed, a staining jar 61 is warming up to 122 ℃ simultaneously, after pressure reaches 31MPa, circulating pump by a staining jar 61 makes supercritical carbon dioxide fluid circulate and dye 74 minutes in a staining jar 61, after dyeing is completed, make a staining jar 61 keep 31MPa pressure and be cooled to 65 ℃, circulating pump by a staining jar 61 constantly circulates supercritical carbon dioxide fluid in a staining jar 61, cleaned the fiber surface loose colour 61 minutes, after dyeing finishes, open staining jar outlet valve 611 No. one, supercritical carbon dioxide changes gaseous carbon dioxide into through decompression cooler 7, successfully separate through separating still 8, be cooled to liquid carbon dioxide by condenser 9, send back in liquid carbon dioxide storage tank 1 and participate in dyeing next time after by accurate filter 10, liquid carbon dioxide being purified again, No. one staining jar 61 releases pressure to atmospheric pressure by separating still 8, open staining jar 61 gathering holes No. one, take out the polyester knitting thing that has dyed.

during dyeing, the polyester knitting thing of packing in No. two staining jars 62, the dyestuff disperse blue 74 of packing in dyestuff mixing tank 4, after liquid carbon dioxide is pressurizeed with carbon dioxide injection high-pressure pump 2, send in dyestuff mixing tank 4 after heater via 3 heating again, open staining jar imported valve 620 No. two, the dyestuff that dissolves is injected high-pressure pump 5 by mixed dye enter No. two staining jars 62 that polyester knitting thing to be dyed is housed, while No. two staining jar 62 temperature to 124 ℃, after pressure reaches 33MPa, make supercritical carbon dioxide fluid circulate and dye 69 minutes at No. two staining jars 62 by No. two staining jar 62 circulating pumps, after dyeing is completed, make No. two staining jars 62 hold 33MPa pressure and be cooled to 80 ℃, by No. two staining jar 62 circulating pumps, supercritical carbon dioxide fluid is constantly circulated at No. two staining jars 62, cleaned the fiber surface loose colour 61 minutes, after dyeing finishes, open staining jar outlet valve 62 No. two, supercritical carbon dioxide changes gaseous carbon dioxide into through decompression cooler 7, successfully separate through separating still 8, be cooled to liquid carbon dioxide by condenser 9, send back in liquid carbon dioxide storage tank 1 and participate in dyeing next time after by accurate filter 10, liquid carbon dioxide being purified again, No. two staining jar 62 releases pressure to atmospheric pressure by separating still 8, open staining jar 62 gathering holes No. two, take out the polyester knitting thing that has dyed.

during dyeing, the polyester knitting thing of packing in No. three staining jars 63, the dyestuff disperse blue 74 of packing in dyestuff mixing tank 4, after liquid carbon dioxide is pressurizeed with carbon dioxide injection high-pressure pump 2, send in dyestuff mixing tank 4 after heater via 3 heating again, open staining jar imported valve 63 No. three, the dyestuff that dissolves is injected high-pressure pump 5 by mixed dye enter No. three staining jars 63 that polyester knitting thing to be dyed is housed, while No. three staining jar 63 temperature to 123 ℃, after pressure reaches 32MPa, make supercritical carbon dioxide fluid circulate and dye 68 minutes at No. three staining jars 63 by No. three staining jar 63 circulating pumps, after dyeing is completed, make No. three staining jars 63 hold 32MPa pressure and be cooled to 81 ℃, by No. three staining jar 63 circulating pumps, supercritical carbon dioxide fluid is constantly circulated at No. three staining jars 63, cleaned the fiber surface loose colour 62 minutes, after dyeing finishes, open staining jar outlet valve 631 No. three, supercritical carbon dioxide changes gaseous carbon dioxide into through decompression cooler 7, successfully separate through separating still 8, be cooled to liquid carbon dioxide by condenser 9, send back in liquid carbon dioxide storage tank 1 and participate in dyeing next time after by accurate filter 10, liquid carbon dioxide being purified again, No. three staining jar 63 releases pressure to atmospheric pressure by separating still 8, open staining jar 63 gathering holes No. three, take out the polyester knitting thing that has dyed.

Polyester knitting thing by the GB/T3921.3.1997 standard after to above-mentioned dyeing is tested its soaping fastness, test result shows, the soaping fastness of the polyester knitting thing that dyes in supercritical carbon dioxide is 3 grades of the soaping fastnesses of 5 grades of polyester knitting things that are better than water-bath dyeing.And the polyester knitting thing is in supercritical carbon dioxide and when dyeing impact on the polyester knitting physical performance in water-bath, dyeing polyester knitting thing and corresponding water-soluble dyeing polyester knitting thing test with above-described embodiment are compared, while dyeing in supercritical carbon dioxide, the brute force of polyester knitting thing drops to 10%, is far smaller than polyester knitting thing strength loss of 40% when water-bath is dyeed.

this shows, the utility model replaces traditional water bath to the fabric processing of dyeing with supercritical carbon dioxide fluid, due to dye-free waste water and other generation of waste materials, can realize green, environmental protection, clean production, have advantages of and save water and energy simultaneously, by a plurality of staining jars of composite joint, dyeing simultaneously on same set of supercritical dyeing equipment, supercritical CO 2 dyeing technique is widely used in the dyeing and finishing field, met simultaneously the requirement of the many kinds of small lot and ecological, environmental protective green processing, solved the kind that causes due to existing supercritical CO 2 dyeing tables of equipment same form dyeing apparatus single, repeat the problems such as running device energy consumption high efficiency is low.

Claims

1. dyeing apparatus of the supercritical carbon dioxide fluid with three dye vats, comprise liquid carbon dioxide storage tank, the carbon dioxide injection high-pressure pump, heater, the dyestuff mixing tank, mixed dye injects high-pressure pump, the staining jar group, the decompression cooler, separating still, condenser, accurate filter, it is characterized in that: the described liquid carbon dioxide storage tank carbon dioxide injection high-pressure pump that is linked in sequence, heater, the dyestuff mixing tank, mixed dye injects high-pressure pump, the staining jar group, the decompression cooler, separating still, condenser, accurate filter, described staining jar group has three staining jars, every staining jar separately respectively with the staining jar imported valve, the staining jar outlet valve connects, the imported valve of every staining jar injects high-pressure pump with mixed dye and is connected, the outlet valve of every staining jar is connected with the decompression cooler.