CN212316455U - Indigo dye liquor integral circulation system - Google Patents

Indigo dye liquor integral circulation system Download PDF

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Publication number
CN212316455U
CN212316455U CN202022011570.4U CN202022011570U CN212316455U CN 212316455 U CN212316455 U CN 212316455U CN 202022011570 U CN202022011570 U CN 202022011570U CN 212316455 U CN212316455 U CN 212316455U
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indigo
dye liquor
indigo dye
trough
circulation system
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CN202022011570.4U
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樊柳川
徐正如
杜伟
贺行波
何京仙
郭晓辉
仇丁
谭笑芳
马玉涛
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Qingdao Phoenix Dongxiang Printing & Dyeing Co ltd
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Qingdao Phoenix Dongxiang Printing & Dyeing Co ltd
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Abstract

The utility model provides an indigo dye liquor whole circulation system, including reduction hydraulic cylinder, indigo primary liquid jar, a plurality of indigo dye vat, circulation silo, recovery silo and controller, circulate whole indigo dye liquor as a whole through circulation silo, the feed end of recovery silo is connected to the feed back pipe through the pipeline, the discharge end of recovery silo is connected to indigo primary liquid jar, reduction hydraulic cylinder and indigo primary liquid jar all are connected to circulation silo through solenoid valve and pump; the circulating trough is connected with a sampling port, and the sampling port is connected to a PH meter, an oxidation-reduction potential tester and a spectrophotometer through pipelines. The utility model discloses regard as technology check point and technology control point with the circulation silo, receive the dye liquor parameter that PH meter, redox potential tester, spectrophotometer detected through the controller, the indigo powder content and the sodium hydrosulfite content of dye liquor in the automatic control circulation silo finally guarantee that the dye liquor in each indigo dye vat is stable and accord with the technological requirement.

Description

Indigo dye liquor integral circulation system
Technical Field
The utility model belongs to the technical field of the dyeing of fabric, especially, relate to an indigo dye liquor whole circulation system.
Background
The wax printing is an ancient traditional textile printing and dyeing handicraft of minority nationality in China, the wax printing is performed by dipping and melting wax with a wax knife, drawing patterns on cloth and then dip-dyeing with indigo, the cloth is dyed and de-waxed, the cloth surface presents various patterns of blue-bottom white flowers or white-bottom blue flowers, the color is elegant, the style is unique, and the cloth is fresh and pleasant when being used for manufacturing clothes and various articles for daily use and is rich in national characteristics. With the development of technology, wax printing can be produced in batches by mechanization.
The indigo dye is a vat dye which is insoluble in water, and the indigo dye is treated by a reducing agent and other auxiliary agents before dyeing so that the indigo dye is converted into a usable leuco body for dyeing. The reducing agent is usually a mixed solution of sodium hydrosulfite and caustic soda to form a reducing solution, and the reducing solution and the indigo stock solution are prepared into a dye solution according to a certain proportion. The fabric sequentially enters a plurality of indigo dyeing tanks of a padding device through a fabric feeding device, is dyed and oxidized for 6-8 times, is washed by a plurality of washing tanks, and is dried to complete dyeing. In the dyeing process, partial indigo dye and reducing liquid in the indigo dye vat are taken away by the fabric, so that the components of the dye liquid in each indigo dye vat are changed, if the components of the dye liquid in the indigo dye vat are changed greatly or the components of the dye liquid in each indigo dye vat are inconsistent, the dyeing of the same batch of fabric is caused to have chromatic aberration, and the dyeing quality of the fabric is seriously influenced. Therefore, the reducing solution and the indigo stock solution are needed to be supplemented into the indigo dyeing tank to ensure that the dye components in each indigo dyeing tank meet the production standard. In the prior art, sampling is carried out from each indigo dye vat at regular time manually, then the content of the indigo dye in the dye solution and the potential value of the dye solution are detected, the amount of the indigo stock solution and the reducing solution which need to be supplemented to each indigo dye vat is further calculated, and the indigo dye vat is manually added into each indigo dye vat. The process consumes time and labor, not only increases the labor cost of enterprises, but also can not accurately control each process parameter, and is difficult to ensure that the dye indexes in each indigo dye vat are consistent.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to present manual detection indigo dye liquor composition and supply indigo stoste and reduction liquid, consuming time and wasting power and be difficult to guarantee the unanimous technical problem of each indigo dye vat internal dye liquor composition, provide an indigo dye liquor whole circulation system and method that process control is simple, process stability is high.
In order to achieve the above object, the utility model discloses a technical scheme be:
an indigo dye liquor integral circulation system comprises a reduction liquid cylinder, an indigo primary liquid cylinder, a plurality of indigo dye tanks, a circulation material tank, a recovery material tank and a controller, wherein a discharge port of the circulation material tank is connected to a liquor replenishing port of each indigo dye tank through a pump and a discharge pipe, and a discharge port of each indigo dye tank is connected to a return port of the circulation material tank through a return pipe and a pump; the feed end of the recovery trough is connected to the feed back pipe through a pipeline, the discharge end of the recovery trough is connected to the indigo primary liquid cylinder, and the reduction liquid cylinder and the indigo primary liquid cylinder are both connected to the circulating trough through an electromagnetic valve and a pump; the circulating trough is connected with a sampling port, the sampling port is connected to a PH meter, an oxidation-reduction potential tester and a spectrophotometer through pipelines, and the PH meter, the oxidation-reduction potential tester, the spectrophotometer, the pump and the electromagnetic valve are all electrically connected with the controller.
Preferably, the bottom of the recovery material tank is provided with a sediment slag discharge port.
Preferably, the outer walls of the reduction liquid cylinder, the indigo blue raw liquid cylinder, the circulating material tank and the recovery material tank are sealed.
Preferably, a liquid level meter electrically connected to the controller is installed in the indigo dyeing tank.
Preferably, the pipelines at the liquid supplementing opening and the liquid discharging opening of the indigo dyeing tank are provided with electromagnetic valves.
Preferably, the indigo dyeing tanks are communicated with each other through pipelines.
Preferably, flow meters are arranged on pipelines between the reduction liquid cylinder and the indigo blue raw liquid cylinder and between the circulation material tanks, and output ends of the flow meters are electrically connected with the controller.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. the utility model discloses indigo dye liquor whole circulation system circulates whole indigo dye liquor as a whole through the circulation silo, makes the indigo dye liquor of each indigo dye vat in maintain a unified and stable state.
2. The circulating trough is used as a process detection point and a process control point, dye liquor parameters detected by a PH meter, an oxidation-reduction potential tester and a spectrophotometer are received by a controller, the indigo powder content and the sodium hydrosulfite content of the dye liquor in the circulating trough are automatically controlled, and finally the dye liquor in each indigo dye trough is ensured to be in a relatively stable reduction state so as to meet the process requirements.
3. The system only needs to detect the parameters of the dye liquor in the circulating trough, the multipoint control of the indigo dye liquor is changed into the integral single-point control, and compared with the prior art that the dye liquor parameters in each indigo dye trough need to be detected and adjusted independently, the workload is greatly reduced, and the process stability is obviously improved.
4. The method has the advantages that part of dye liquor recovered by the recovery tank is used as dissolving water for dissolving the indigo powder, the balance of the new liquor replenishment amount and the dye liquor consumption amount of the whole system can be adjusted, the optimal state of the whole system is that the new liquor replenishment amount and the dye liquor consumption amount reach balance, so that no waste liquor is discharged, and the sewage treatment cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an integral circulation system of indigo dye liquor of the present invention;
in the above figures: 1. a reduction liquid cylinder; 2. an indigo primary liquid cylinder; 3. an indigo dyeing tank; 31. a fluid infusion port; 32. a tapping port; 4. a circulating trough; 41. a discharge port; 42. a first water pump; 43. a discharge pipe; 44. a material return pipe; 45. a second water pump; 46. a feed back port; 5. a recycling trough; 51. a third water pump; 52. a sediment discharge port; 6. an electromagnetic valve; 7. a spectrophotometer; 8. a pH meter; 9. an oxidation-reduction potential tester; 10. and (4) a pump.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example (b): as shown in fig. 1, the system for integrally circulating the indigo dye solution comprises a reduction liquid cylinder 1 for containing a mixture of sodium hydrosulfite and caustic soda, an indigo stock liquid cylinder 2 for containing an indigo powder solution, a plurality of indigo dye tanks 3 for pad dyeing, a circulation tank 4, a recovery tank 5 and a controller. The discharge port 41 of the circulating trough 4 is connected to the liquor replenishing port 31 of each indigo dye vat 3 through a first water pump 42 and a discharge pipe 43, and the liquor discharging port 32 of each indigo dye vat 3 is connected to the return port 46 of the circulating trough 4 through a return pipe 44 and a second water pump 45, so that a circularly flowing dye liquor circulating system is formed. The feed end of recovery silo 5 is connected to feed back pipe 44 through the pipeline, installs solenoid valve 6 and third water pump 51 on this pipeline, and the discharge end of recovery silo 5 is connected to indigo primary liquid jar 2, and recovery silo 5 receives partial dye liquor from indigo dye vat 3 outflow, carries liquid to indigo primary liquid jar 2 after deposiing for dissolve indigo powder. The part of dye liquor recovered by the recovery trough 5 is used as the dissolving water for dissolving the indigo powder, the balance of the new liquor replenishment amount and the dye liquor consumption amount of the whole system can be adjusted, and the optimal state of the whole system is that the new liquor replenishment amount and the dye liquor consumption amount reach balance so that no waste liquor is discharged, and the sewage treatment cost is reduced.
The bottom of the recovery trough 5 is provided with a sediment discharge port 52, and sediment can be output and transported away from the sediment discharge port 52 after long-time operation.
The circulating trough 4 is used as a process detection point and a process control point, and the dye liquor in each indigo dye trough 3 is finally ensured to be in a relatively stable reduction state by controlling the indigo powder content and the sodium hydrosulfite content (reduction potential) of the dye liquor in the circulating trough 4, so that the process requirements are met. The reduction liquid cylinder 1 and the indigo raw liquid cylinder 2 are both connected to the circulating trough 4 through an electromagnetic valve 6 and a pump 10 and are used for supplementing the reduction liquid and the indigo raw liquid into the circulating trough 4. Be connected with the sample connection on the circulation silo 4, preferred sample connection sets up near the feed back mouth 46 of circulation silo 4, and the sample connection is connected to PH meter 8, redox potential tester 9 and spectrophotometer 7 respectively through the pipeline, and PH meter 8, redox potential tester 9, spectrophotometer 7, each water pump and solenoid valve 6 all are connected with the controller electricity. The addition of the reducing liquid is controlled by a controller, firstly, the dye liquid discharged from the indigo dye vat 3 is extracted through a sampling port, the PH value is measured by a PH meter 8, an oxidation-reduction potential tester 9 detects the oxidation-reduction potential, a spectrophotometer detects the absorbance of the dye liquid and transmits the detected value to the controller, the embodiment adopts an online industrial sewage and wastewater detector of NBDT-1800 model manufactured by Shanghai Nuobo environmental protection technology limited company, and the PH value and the oxidation-reduction potential value can be detected at the same time. The controller compares the detected value with a standard value (the reduction potential of the indigo leuco body is-760 mv), controls the electromagnetic valve 6 connecting the reduction liquid cylinder 1 and the indigo primary liquid cylinder 2 to be opened according to the difference value, starts the pump 10 to slowly add the reduction liquid and the indigo primary liquid into the circulating material tank 4, and the parameters of the process requirements are reached after multiple detections and additions. Flow meters are arranged on pipelines between the reduction liquid cylinder 1 and the indigo raw liquid cylinder 2 and the circulating trough 4, the output ends of the flow meters are electrically connected with the controller, and the flow meters measure the output quantities of the reduction liquid and the indigo raw liquid in real time so as to accurately control the addition quantity. Because the dye liquor in the circulating liquor tank is in a rapid circulating flow state, the automatic replenishment of the reducing liquor is controlled according to the circulating flow rate, and if the flow rate is high, the replenishment speed is accelerated.
Install the level gauge of being connected with the controller electricity in the indigo dye vat 3, the ultrasonic wave level gauge is adopted to this embodiment, and the level gauge real-time detection each indigo dye vat 3's liquid level to feed back to the controller. The highest liquid level and the lowest liquid level are preset in the controller, and when the highest liquid level is reached or the lowest liquid level is lower than the highest liquid level, an operator is reminded of checking and adjusting in time, so that the condition that the dyeing liquid amount in the indigo dyeing tank 3 is abnormal and the pad dyeing process is influenced due to faults such as blockage of a pipeline is prevented. The solenoid valve 6 is installed on the pipeline of the fluid infusion mouth 31 and the drain 32 department of indigo dye vat 3, and operating personnel can pass through the break-make of controller control solenoid valve 6, and easy access is perhaps independently for some indigo dye vat 3 fluid infusion or drain to the adjustment liquid level.
Under the long-time natural flow state, the liquid level between each indigo dye vat 3 has little difference, consequently passes through the pipeline intercommunication between each indigo dye vat 3 of this embodiment, makes the liquid level automatic adjustment in each indigo dye vat 3 unanimous.
In order to reduce the oxidation condition of the dye liquor in the circulating process, the reduction liquid cylinder 1, the indigo dye vat 2, the indigo dye vat 3, the circulating trough 4 and the recovery trough 5 are all arranged in a sealed box body, and all connecting pipelines are sealed as much as possible to reduce the external air.
The indigo dye solution overall circulation system described in this embodiment circulates the entire indigo dye solution as a whole through the circulation tank 4, so that the indigo dye solution in each indigo dye tank 3 is maintained in a uniform and stable state. The dye liquor is in a circulating flow state, the problem of insoluble substance precipitation in the indigo dye vat 3 can be solved or relieved, the external recovery material tank 5 is arranged, partial impurities in circulating materials can be effectively removed, and the dye liquor clarification is guaranteed.
The circulating trough 4 is used as a process detection point and a process control point, dye liquor parameters detected by a PH meter 8, an oxidation-reduction potential tester 9 and a spectrophotometer 7 are received by a controller, the indigo powder content and the sodium hydrosulfite content of the dye liquor in the circulating trough 4 are automatically controlled, and finally the dye liquor in each indigo dye trough 3 is ensured to be in a relatively stable reduction state, so that the dye liquor meets the process requirements. The system only needs to detect the parameters of the dye liquor in the circulating trough 4, the multipoint control of the indigo dye liquor is changed into the integral single-point control, and compared with the prior art that the parameters of the dye liquor in each indigo dye trough 3 need to be detected and adjusted independently, the workload is greatly reduced, and the process stability is obviously improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (7)

1. An indigo dye liquor whole circulation system which is characterized in that: the device comprises a reduction liquid cylinder, an indigo raw liquid cylinder, a plurality of indigo dye tanks, a circulating material tank, a recovery material tank and a controller, wherein a discharge port of the circulating material tank is connected to a liquid supplementing port of each indigo dye tank through a pump and a discharge pipe; the feed end of the recovery trough is connected to the feed back pipe through a pipeline, the discharge end of the recovery trough is connected to the indigo primary liquid cylinder, and the reduction liquid cylinder and the indigo primary liquid cylinder are both connected to the circulating trough through an electromagnetic valve and a pump;
the circulating trough is connected with a sampling port, the sampling port is connected to a PH meter, an oxidation-reduction potential tester and a spectrophotometer through pipelines, and the PH meter, the oxidation-reduction potential tester, the spectrophotometer, the pump and the electromagnetic valve are all electrically connected with the controller.
2. The indigo dye liquor integrated circulation system according to claim 1, characterized in that: and a sediment discharge port is arranged at the bottom of the recovery trough.
3. The indigo dye liquor integrated circulation system according to claim 1, characterized in that: and the outer walls of the reduction hydraulic cylinder, the indigo primary hydraulic cylinder, the circulating trough and the recovery trough are sealed.
4. The indigo dye liquor integrated circulation system according to claim 1, characterized in that: and a liquid level meter electrically connected with the controller is arranged in the indigo dyeing tank.
5. The indigo dye liquor integrated circulation system according to claim 4, characterized in that: and electromagnetic valves are arranged on pipelines at the liquid supplementing opening and the liquid discharging opening of the indigo dye vat.
6. The indigo dye liquor integrated circulation system according to claim 1, characterized in that: the indigo dyeing tanks are communicated through pipelines.
7. The indigo dye liquor integrated circulation system according to claim 1, characterized in that: and flow meters are arranged on pipelines between the reduction hydraulic cylinder and the indigo primary hydraulic cylinder and between the circulation material tanks, and the output ends of the flow meters are electrically connected with a controller.
CN202022011570.4U 2020-09-14 2020-09-14 Indigo dye liquor integral circulation system Active CN212316455U (en)

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CN202022011570.4U CN212316455U (en) 2020-09-14 2020-09-14 Indigo dye liquor integral circulation system

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Application Number Priority Date Filing Date Title
CN202022011570.4U CN212316455U (en) 2020-09-14 2020-09-14 Indigo dye liquor integral circulation system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111945347A (en) * 2020-09-14 2020-11-17 青岛凤凰东翔印染有限公司 Indigo dye liquor integral circulation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111945347A (en) * 2020-09-14 2020-11-17 青岛凤凰东翔印染有限公司 Indigo dye liquor integral circulation system
CN111945347B (en) * 2020-09-14 2024-07-26 青岛凤凰东翔印染有限公司 Indigo dye liquor integral circulation system

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