CN108301153B

CN108301153B - Process and system for high-temperature desizing and oil removal before dyeing and high-temperature water discharge after dyeing

Info

Publication number: CN108301153B
Application number: CN201810346875.5A
Authority: CN
Inventors: 沈志方
Original assignee: Zhejiang Hangmin Stock Co ltd
Current assignee: Zhejiang Hangmin Stock Co ltd
Priority date: 2018-04-18
Filing date: 2018-04-18
Publication date: 2020-07-31
Anticipated expiration: 2038-04-18
Also published as: CN108301153A

Abstract

The invention discloses a process for high-temperature desizing and oil removal before dyeing and high-temperature water discharge after dyeing, which comprises the following steps: before dyeing, adding water into a dye vat, adding corresponding auxiliaries according to different types of gray fabric, putting the gray fabric into the dye vat for running, guiding water and steam flowing out of a setting machine into the dye vat to enable the water temperature to reach 80-90 ℃, preserving heat for 30-40min, and then discharging sewage; adding clear water, water flowing out of the setting machine and steam into the dye vat again until the water temperature reaches 80-90 ℃, and keeping the temperature for 10-20min and then discharging water; after dyeing, introducing water and steam flowing out of the setting machine into a dye vat to enable the water temperature to reach 80-90 ℃, preserving heat for 20-30min, and then discharging sewage; water and steam are introduced again, and sewage is discharged after the same temperature and heat preservation time; the invention also discloses a system for high-temperature desizing and oil removal before dyeing and high-temperature water outlet after dyeing. The invention can avoid the color points and the color flowers caused by the oil agent and the oligomer sticking to the cylinder, improve the processing quality, save the electric energy and the water energy and reduce the cost investment.

Description

Process and system for high-temperature desizing and oil removal before dyeing and high-temperature water discharge after dyeing

Technical Field

The invention relates to the technical field of dyeing and finishing, in particular to a process and a system for high-temperature desizing and oil removal before dyeing and high-temperature water discharge after dyeing.

Background

In order to facilitate weaving and improve fiber strength during weaving in a textile mill, yarns of the fabric are generally subjected to oiling or sizing treatment, so that the smoothness and strength of the fabric are enhanced. The fabric is beneficial to weaving after being oiled and sized, but the difficulty is increased for dyeing and finishing processing, and various dyeing defects are generated without removing the fabric, so the fabric needs to be removed cleanly before dyeing; in order to improve dyeing efficiency and dyeing quality during dyeing in a dyeing mill, some auxiliaries are added during dyeing, but the auxiliaries are required to be removed completely before the dyeing is finished and enters the next procedure, so that various indexes of normal production, environmental protection, color fastness and the like of the next procedure are ensured to reach the standard, water is required to be discharged completely, the auxiliaries are added at normal temperature to slowly raise the temperature for washing oil or pulp, the dyeing is cooled after the temperature is kept, then, cold water is added to raise the temperature for washing, the washing effect of the general fabric at about 80-90 ℃ is the best, the oil or pulp on the fabric can be thoroughly washed, but the washing effect of the conventional process on gray fabric is not very good, the washing effect is greatly reduced, the requirements cannot be met, and water, energy and time are greatly wasted.

Because the environmental protection requirement, the setting machine of current printing and dyeing enterprise has adopted the natural gas or steam to carry out the mode of heating and has stereotyped, because the steam heating is stereotyped the back and is come out from the setting machine and have more than 100 temperature water and steam in addition, discharges and to lose the cherishing, the extravagant energy still influences the environment.

Disclosure of Invention

The invention aims to provide a process and a system for high-temperature desizing and oil removal before dyeing and high-temperature water outlet after dyeing, which can prevent oil agents and low polymers from being stained with color points and color flowers caused by a cylinder, improve the processing quality, save electric energy and water energy and reduce various cost investments.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-temperature desizing and oil removing process before dyeing and a high-temperature water outlet process after dyeing are characterized by comprising

(1) Before dyeing, adding water into a dye vat, adding corresponding auxiliaries according to different types of gray fabric, putting the gray fabric into the dye vat for running, guiding water and steam flowing out of a setting machine into the dye vat to enable the water temperature to reach 80-90 ℃, preserving heat for 30-40min, and then discharging sewage; adding clear water, water flowing out of the setting machine and steam into the dye vat again until the water temperature reaches 80-90 ℃, and keeping the temperature for 10-20min and then discharging water;

(2) after dyeing, introducing water and steam flowing out of the setting machine into a dye vat to enable the water temperature to reach 80-90 ℃, preserving heat for 20-30min, and then discharging sewage; and introducing water and steam again, and discharging the sewage after the same temperature and heat preservation time.

Furthermore, the gray fabric types comprise cotton and chemical fiber grease, wherein the auxiliary agents corresponding to the cotton gray fabric are an oxidation desizing agent TF-127A and caustic soda liquid, and the auxiliary agents corresponding to the chemical fiber grease-containing gray fabric are an emulsion degreasing agent TF-115D and a leveling agent.

Furthermore, the corresponding concentration of the oxidation desizing agent TF-127A is 1-2 g/L, and the corresponding concentration of liquid caustic soda is 2-3 g/L.

Furthermore, the concentration of the emulsified deoiling agent TF-115D is 0.3-1.0 g/L, and the concentration of the leveling agent is 0.3-1.0 g/L.

A system for high-temperature desizing, oil removal and high-temperature water discharge after dyeing before dyeing is characterized by comprising a water storage tank, a setting machine and a dye vat; the water inlet of the water storage tank is connected to a drain pipe of the setting machine through a first pipeline, the water outlet of the water storage tank is connected to the bottom of the dye vat through a second pipeline, and a control valve is arranged on the second pipeline.

Further, one end of the first pipeline connected with a drain pipe of the setting machine is provided with a waterproof cloth, the waterproof cloth is sleeved outside the drain pipe, the outer peripheral side of the waterproof cloth is provided with a fixing part for the elastic rope to pass through, and the inner peripheral side of the waterproof cloth is provided with a waterproof rubber ring at a position corresponding to the elastic rope.

Furthermore, a first temperature sensor and a heating rod which are connected to the controller are arranged in the water storage tank.

Further, a second temperature sensor is arranged in the dye vat, and the temperature sensor is connected to the controller.

Further, the second pipeline extends into the dye vat, and the extending portion is provided with a downward opening.

Compared with the prior art, the invention has the beneficial effects that: the invention has excellent penetration and emulsifying dispersibility for the grey cloth to be dyed, has excellent removing, cleaning and dispersing effects for the sizing agent, and prevents the sizing agent from being adhered again; color points and color flowers caused by the fact that oil agents and low polymers are stained in a cylinder can be avoided, and processing quality is improved; on the other hand, the high-temperature water from the setting machine can be used for dyeing effluent, so that the time of a printing and dyeing production process is greatly reduced, the efficiency is improved, on the other hand, the energy consumption is reduced, the washing effect is also improved, and the electric energy and the water energy are greatly saved, so that the cost investment is reduced.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention.

Fig. 2 is a partial schematic view of the tarpaulin of the present invention.

Fig. 3 is a control schematic of the present invention.

In the figure: 1-a water storage tank; 11-a first temperature sensor; 12-a heating rod; 2-forming machine; 21-a drain pipe; 3-dye vat; 31-a lid; 32-a second temperature sensor; 4-a first conduit; 41-waterproof cloth; 411-a stationary part; 412-bungee cord; 413-waterproof rubber ring; 5-a second conduit; 51-a control valve; 52-an extension; 53-opening.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a process for high-temperature desizing and oil removal before dyeing and high-temperature water discharge after dyeing, which is characterized by comprising the following steps

The first embodiment is as follows:

the dyeing method comprises the steps of adding water into a dye vat before dyeing, adding corresponding auxiliaries according to different varieties of gray cloth, wherein the varieties of the gray cloth comprise cotton and chemical fiber oil-containing lipids, the auxiliaries corresponding to the cotton gray cloth are an oxidation desizing agent TF-127A and liquid caustic soda, the auxiliaries corresponding to the chemical fiber oil-containing gray cloth are an emulsifying deoiling agent TF-115D and a leveling agent, preferably, the oxidation desizing agent TF-127A (a product from a transmissioned intelligent joint stock Limited company) corresponds to a concentration of 1-2 g/L, the liquid caustic soda (30%) corresponds to a concentration of 2-3 g/L, the emulsifying deoiling agent TF-115D (a product from the transmissioned intelligent joint stock Limited company) corresponds to a concentration of 0.3-1.0 g/L, the leveling agent corresponds to a concentration of 0.3-1.0 g/L, then putting the gray cloth into the dye vat for operation, guiding water and steam flowing out of the clean water into the dye vat to enable the water temperature to reach 80-90 ℃, discharging the heat preservation water after the heat preservation of the water is discharged from the dye vat, the water is discharged from the dyeing vat, the water is discharged from the water, the water is used for achieving the heat preservation process of the heat preservation process, the water is used for removing the water, the water is used for removing the.

Example two:

after dyeing, introducing water and steam flowing out of the setting machine into a dye vat, supplementing a small amount of cold water or not adding cold water to enable the water temperature to reach 80-90 ℃, directly reaching the temperature required by a water outlet process, preserving heat for 20-30min, and discharging sewage; and (4) introducing water and steam again, discharging sewage after the same temperature and heat preservation time, taking the cloth blank out of the cylinder, drying the cloth blank and entering the next working procedure.

The invention also provides a system for high-temperature desizing and oil removal before dyeing and high-temperature water outlet after dyeing, which is shown in the figure 1 and comprises a water storage tank 1, a setting machine 2 and a dye vat 3; the water inlet of water storage tank 1 is connected to the drain pipe 22 of forming machine 2 through first pipeline 4 for 100 more degrees of water that discharge outlet 22 is led and is saved in water storage tank 1, and wherein the water storage tank possesses insulation construction, and the delivery port is connected to the bottom of dye vat 3 through second pipeline 5, be provided with control valve 51 on the second pipeline 5, when needing leading-in hot water in dye vat 3, open control valve 51 alright, preferably, in order to realize automatic control, control valve 51 adopts the solenoid valve. In order to increase the uniform distribution of the temperature of the hot water after it has been introduced into the vat, said second conduit 5 extends into the vat, the extension 52 being provided with a downward opening 53, wherein the downward opening 53 is provided in order to prevent the opening from being blocked by pieces of cloth and other impurities.

In order to enhance the connection between the first pipeline 4 and the drain pipe 21, one end of the first pipeline 4 connected with the drain pipe 21 of the setting machine 2 is made of a waterproof cloth 41, the waterproof cloth 41 is sleeved outside the drain pipe 21, please refer to fig. 2, a fixing portion 411 for the elastic rope 412 to pass through is arranged on the outer peripheral side of the waterproof cloth 41, the fixing portion 411 is substantially a cloth strip wrapped on the outer side of the elastic rope 411, the elastic rope 411 can freely slide in the fixing portion, and after the waterproof cloth is sleeved outside the drain pipe, the elastic rope 411 is tightened and then tightened, so that the fixing can be realized. Furthermore, the waterproof rubber ring 413 is arranged at the position of the inner peripheral side of the waterproof cloth 41 corresponding to the elastic rope 412, so that the waterproof effect is enhanced.

In the embodiment, a first temperature sensor 11 and a heating rod 12 connected to a controller are arranged in the water storage tank 1; a second temperature sensor 32 is arranged in the dye vat 3, the temperature sensor 32 is connected to the controller, the circuit principle of the controller please refer to fig. 3, and the controller is further connected with a timer and an electromagnetic valve. The working principle is that the first temperature sensor and the second temperature sensor send the detected temperature to the controller, and if the controller judges that the temperature detected by the first temperature sensor is smaller than a first threshold value, the controller triggers the heating rod to heat the water in the water storage tank 1, wherein the first threshold value is preferably 100 ℃. In addition, the controller controls the electromagnetic valve to be opened, and hot water is led into the dye vat 3; when the temperature detected by the second temperature sensor reaches a second threshold value, the controller controls the electromagnetic valve to close, and the second threshold value is preferably 85 ℃; the user then covers the lid 31 and keeps the temperature, with the timer setting facilitating control of the time of the heat preservation.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A high-temperature desizing and oil removing process before dyeing and a high-temperature water outlet process after dyeing are characterized by comprising

(2) after dyeing, introducing water and steam flowing out of the setting machine into a dye vat to enable the water temperature to reach 80-90 ℃, preserving heat for 20-30min, and then discharging sewage; water and steam are introduced again, and sewage is discharged after the same temperature and heat preservation time;

the gray fabric types comprise cotton and chemical fiber grease, the corresponding auxiliary agents of the cotton gray fabric are an oxidation desizing agent TF-127A and caustic soda liquid, and the corresponding auxiliary agents of the chemical fiber grease-containing gray fabric are an emulsion degreaser TF-115D and a leveling agent.

2. The process of claim 1, wherein the concentration of oxidative desizing agent TF-127A is 1-2 g/L, and the concentration of liquid caustic is 2-3 g/L.

3. The process of high temperature desizing, degreasing and high temperature effluent after dyeing as claimed in claim 1, wherein the concentration of the emulsified degreaser TF-115D is 0.3-1.0 g/L, and the concentration of the leveling agent is 0.3-1.0 g/L.

4. A system for high-temperature desizing, oil removal and high-temperature water discharge after dyeing before dyeing is characterized by comprising a water storage tank, a setting machine and a dye vat; a water inlet of the water storage tank is connected to a drain pipe of the setting machine through a first pipeline, a water outlet of the water storage tank is connected to the bottom of the dye vat through a second pipeline, and a control valve is arranged on the second pipeline;

the use method of the system comprises the following steps:

before dyeing, adding water into a dye vat, adding corresponding auxiliaries according to different types of gray fabric, putting the gray fabric into the dye vat for running, guiding water and steam flowing out of a setting machine into the dye vat to enable the water temperature to reach 80-90 ℃, preserving heat for 30-40min, and then discharging sewage; adding clear water, water flowing out of the setting machine and steam into the dye vat again until the water temperature reaches 80-90 ℃, and keeping the temperature for 10-20min and then discharging water;

after dyeing, introducing water and steam flowing out of the setting machine into a dye vat to enable the water temperature to reach 80-90 ℃, preserving heat for 20-30min, and then discharging sewage; water and steam are introduced again, and sewage is discharged after the same temperature and heat preservation time;

5. The system for high-temperature desizing, oil removing and high-temperature water outlet after dyeing according to claim 4, wherein one end of the first pipeline connected with the drain pipe of the setting machine is made of waterproof cloth, the waterproof cloth is sleeved outside the drain pipe, a fixing part for the elastic rope to pass through is arranged on the outer peripheral side of the waterproof cloth, and a waterproof rubber ring is arranged on the inner peripheral side of the waterproof cloth and at a position corresponding to the elastic rope.

6. The system for high-temperature desizing, oil removing and high-temperature effluent after dyeing according to claim 4, wherein a first temperature sensor and a heating rod connected to a controller are arranged in the water storage tank.

7. The system for high temperature desizing, oil removal and high temperature effluent after dyeing according to claim 6, wherein a second temperature sensor is disposed in the dye vat, and the temperature sensor is connected to the controller.

8. The system for high temperature desizing, oil removal and high temperature effluent after dyeing of claim 4, wherein the second conduit extends into the dye vat, the extension being provided with a downward opening.