CN213267116U

CN213267116U - Indigo dye liquor distribution system

Info

Publication number: CN213267116U
Application number: CN202022007275.1U
Authority: CN
Inventors: 樊柳川; 徐正如; 贺行波; 何京仙; 郭晓辉; 仇丁; 谭笑芳; 马玉涛
Original assignee: Qingdao Phoenix Dongxiang Printing & Dyeing Co ltd
Current assignee: Qingdao Phoenix Dongxiang Printing & Dyeing Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-25
Anticipated expiration: 2030-09-14

Abstract

The utility model provides an indigo dye liquor delivery system, including indigo dye vat, recovery material pond, reduction hydraulic cylinder and indigo primary liquid jar pass through solenoid valve and pump connection to indigo dye vat, the sample connection of indigo dye vat is to redox potential tester and PH meter through the tube coupling, the tap hole of indigo dye vat is through the entry of circulation material union coupling to recovery material pond, and the export in recovery material pond is through tube coupling to indigo primary liquid jar. The utility model discloses an oxidation reduction potential tester and PH meter detect the oxidation reduction potential value and the pH value of dye liquor to through automatic reduction liquid and the indigo stoste of adding of controller control, the addition of accurate control reduction liquid and indigo stoste reduces workman's work load, and process stability obviously improves.

Description

Indigo dye liquor distribution system

Technical Field

The utility model belongs to the technical field of indigo dyeing, concretely relates to indigo dye liquor delivery 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 troughs of a padding device through a fabric feeding device, is dyed and oxidized for 6-8 times, is washed by a plurality of washing troughs, and is dried to complete dyeing. In the dyeing process, part of the indigo dye and the reducing liquid in the indigo tank are taken away by the fabric, and the components of the dyeing liquid in the indigo tank are changed, so that the reducing liquid and the indigo stock solution need to be supplemented into the indigo tank to ensure that the dye components in each indigo tank meet the production standard. In the prior art, sampling is carried out from each indigo tank at regular time manually, then the content of indigo dye in a dye solution and the potential value of the dye solution are detected, the amount of indigo stock solution and reducing solution which are required to be supplemented to the indigo tanks is further calculated, and the indigo stock solution and the reducing solution are manually added into each indigo tank. The process is time-consuming and labor-consuming, not only increases the labor cost of enterprises, but also can not accurately control each process parameter, and influences the dyeing quality of the fabric.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to present artifical indigo dye solution composition that detects and supply indigo stoste and reduction liquid, the technical problem of consuming time and wasting power provides one kind through the indigo dye solution potential value of redox potential tester automated inspection indigo inslot and the indigo dye solution delivery system of automatic addition indigo stoste and reduction liquid.

In order to achieve the above object, the utility model discloses a technical scheme be:

an indigo dye liquor distribution system comprises an indigo dye vat, a recovery material pond, a reduction liquid cylinder and an indigo raw liquid cylinder, wherein the reduction liquid cylinder and the indigo raw liquid cylinder are connected to the indigo dye vat through an electromagnetic valve and a pump; the device also comprises a controller, wherein the oxidation-reduction potential tester, the PH meter, the electromagnetic valve and the pump are all electrically connected with the controller.

Preferably, a liquid level meter electrically connected with the controller is installed in the indigo dyeing tank, and an electromagnetic valve and a pump are installed on the circulating material pipe.

Preferably, the bottom of the recovery material tank is provided with a sediment discharge port.

Preferably, the outer walls of the indigo dyeing tank, the reclaimed material pool, the reduction liquid cylinder and the indigo raw liquid cylinder are sealed.

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:

the indigo dye liquor distribution system detects the oxidation-reduction potential value and the PH value of the dye liquor through the oxidation-reduction potential tester and the PH meter, automatically adds the reducing liquid and the indigo stock solution through the control of the controller, accurately controls the adding amount of the reducing liquid and the indigo stock solution, reduces the workload of workers, and obviously improves the process stability.

The recovery material tank is arranged to deposit part of dye solution for dissolving the indigo powder, so that the liquid in the system is recycled, no waste liquid is discharged, and the sewage treatment cost is greatly reduced.

Drawings

FIG. 1 is a schematic structural diagram of an indigo dye liquor distribution system of the present invention;

FIG. 2 is an electric control relationship diagram of the indigo dye liquor distribution system of the present invention;

in the above figures: 1. an indigo dyeing tank; 11. a first fluid infusion port; 12. a second fluid infusion port; 13. a sampling port; 14. a tapping port; 2. a reduction liquid cylinder; 21. a first liquid replenishing pipe; 22. a first solenoid valve; 23. a first water pump; 3. an indigo primary liquid cylinder; 31. a second liquid replenishing pipe; 32. a second solenoid valve; 33. a second water pump; 4. a material recovery tank; 41. a circulating material pipe; 42. a third electromagnetic valve; 43. a third water pump; 44. a first outlet; 45. a second outlet; 46. a fourth solenoid valve; 47. a fourth water pump; 48. a sediment discharge port; 5. an oxidation-reduction potential tester; 6. a pH meter; 7. a liquid level meter.

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, an indigo dye liquor distribution system comprises an indigo dye vat 1 for pad dyeing, a recovery tank 4 for holding and standing dye liquor, a reduction liquid cylinder 2 for storing a mixture of sodium hydrosulfite and caustic soda, an indigo stock liquid cylinder 3 for storing an indigo powder solution, and a controller, wherein the controller is electrically connected with all electromagnetic valves and pumps in the system, and controls the on-off of the electromagnetic valves and the operation of the pumps.

The reduction liquid cylinder 2 is connected to a first liquid supplementing port 11 of the indigo dye vat 1 through a first liquid supplementing pipe 21, and a first electromagnetic valve 22 and a first water pump 23 are installed on the first liquid supplementing pipe 21; the indigo primary liquid cylinder 3 is connected to the second liquid supplementing port 12 of the indigo dye vat 1 through a second liquid supplementing pipe 31, and a second electromagnetic valve 32 and a second water pump 33 are installed on the second liquid supplementing pipe 31. Flow meters are arranged on pipelines between the reducing liquid cylinder 2 and the indigo dye vat 1 and between the indigo dye vat 3 and the indigo dye vat 1, the output ends of the flow meters are electrically connected with a controller, the adding amount of the reducing liquid and the indigo dye vat can be accurately measured through the flow meters, and the potential value of the dye liquor can be accurately adjusted conveniently.

Still be provided with sample connection 13 on the indigo dye vat 1, sample connection 13 is connected to the test cell of redox potential tester 5 and PH meter 6 through the pipeline, perhaps directly installs test probe in sample connection department and carries out on-line monitoring, and the online industrial sewage waste water detector of NBDT-1800 model that this embodiment adopted the production of Shanghai Nuo Bo environmental protection science and technology Limited company can detect pH value and redox potential value simultaneously. The oxidation-reduction potential tester 5 and the PH meter 6 can automatically measure the oxidation-reduction potential value and the PH value of the dye liquor in the indigo dye vat 1, and the oxidation-reduction potential tester 5 and the PH meter 6 are electrically connected with the controller and transmit the detection value to the controller. The replenishment frequency of the indigo stock solution preset in the controller (which can be a fixed running time or a fixed pad dyeing meter number) reaches the preset time, and then the controller controls the second electromagnetic valve 32 to be opened and the second water pump 33 to be opened, so that a certain amount of the indigo stock solution is gradually added into the indigo dye vat 1. And then the oxidation-reduction potential tester 5 and the PH meter 6 measure the oxidation-reduction potential value and the PH value of the dye solution according to a certain frequency, the controller compares the detection value with the standard value, controls the first electromagnetic valve 22 to be opened and the first water pump 23 to be opened, gradually adds a certain amount of reducing solution into the indigo dye vat 1, and stops solution supplement after the oxidation-reduction potential value and the PH value reach the set values.

The liquid discharge port 14 of the indigo dye vat 1 is connected to the inlet of the recovery material pool 4 through a circulating material pipe 41, and a third electromagnetic valve 42 and a third water pump 43 are installed on the circulating material pipe 41; the first outlet 44 of the recovery tank 4 is connected to the indigo primary liquid tank 3 through a pipeline on which a fourth electromagnetic valve 46 and a fourth water pump 47 are arranged. The recovery tank 4 receives part of the dye liquor flowing out of the indigo dye vat 1, and conveys the liquor to the indigo stock solution tank 3 after precipitation for dissolving the indigo powder. And part of dye liquor recovered by the recovery tank 4 is used as dissolving water for dissolving the indigo powder, so that the balance of the new liquor supplement amount and the dye liquor consumption amount of the whole system can be adjusted. The recycling bin 4 is also provided with a second outlet 45, the second outlet 45 being connected via a pipe to the indigo dyeing tank 1 for padding dry cloth, part of the dye liquor being used for padding dry cloth. The optimal state of the whole system is that the replenishment quantity of the new liquor and the consumption quantity of the dye liquor are balanced, so that no waste liquor is discharged, and the sewage treatment cost is reduced. And a sediment discharge port 48 is formed in the bottom of the recovery tank 4, and sediment can be output and transported away from the sediment discharge port 48 after long-time operation.

In order to reduce the oxidation condition of the dye liquor in the flowing process, the reduction liquid cylinder 2, the indigo dye vat 3, the indigo dye vat 1 and the recovery material tank 4 are all arranged in a sealed box body, and all connecting pipelines are sealed as much as possible, so that the external air is reduced.

Install level gauge 7 that is connected with the controller electricity in the indigo dye vat 1, the liquid level value of dye liquor in the indigo dye vat 1 of level gauge 7 real-time detection, the operating personnel of being convenient for can look over the liquid level height through the controller end. The liquid level (normal operation liquid level of the dye vat) and the liquid level (emptying stop liquid level) are preset in the controller, and when the actual liquid level value is higher than the liquid level value, the controller controls the third electromagnetic valve 42 to be opened and starts the third water pump 43, so that part of the dye liquor is discharged to the recovery material tank 4. And when the actual liquid level value is lower than the liquid level low value, starting a liquid supplementing program to supplement liquid from the indigo primary liquid cylinder 3 and the reduction liquid cylinder 2.

The indigo dye liquor distribution system described in this embodiment detects the redox potential value and the PH value of the dye liquor through the redox potential tester 5 and the PH meter 6, and automatically adds the reducing solution and the indigo stock solution through the control of the controller, accurately controls the addition amount of the reducing solution and the indigo stock solution, reduces the workload of workers, and obviously improves the process stability. Through setting up the material of changing that is used for the indigo powder after recovering material pond 4 will partly dye liquor deposits, make the interior liquid cyclic utilization of system, no waste liquid discharges, greatly reduced sewage treatment cost.

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

1. An indigo dye liquor dispensing system which characterized in that: the dye vat comprises an indigo dye vat, a recovery material pond, a reduction liquid vat and an indigo primary liquid vat, wherein the reduction liquid vat and the indigo primary liquid vat are connected to the indigo dye vat through an electromagnetic valve and a pump, a sampling port of the indigo dye vat is connected to an oxidation-reduction potential tester and a PH meter through a pipeline, a liquid discharge port of the indigo dye vat is connected to an inlet of the recovery material pond through a circulating material pipe, and an outlet of the recovery material pond is connected to the indigo primary liquid vat through a pipeline;

the device also comprises a controller, wherein the oxidation-reduction potential tester, the PH meter, the electromagnetic valve and the pump are all electrically connected with the controller.

2. The indigo dye dispensing system of claim 1, wherein: and a liquid level meter electrically connected with the controller is installed in the indigo dyeing tank, and an electromagnetic valve and a pump are installed on the circulating material pipe.

3. The indigo dye dispensing system of claim 1, wherein: and a sediment discharge port is formed at the bottom of the recovery material tank.

4. The indigo dye dispensing system of claim 1, wherein: the outer walls of the indigo dyeing tank, the recovery material pool, the reduction liquid cylinder and the indigo raw liquid cylinder are sealed.

5. The indigo dye dispensing system of claim 1, wherein: 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.