CN112411050A - Pretreatment hub boiling system in textile printing and dyeing industry - Google Patents

Abstract

The invention discloses a pretreatment hub-rotating cooking system in the textile printing and dyeing industry, which belongs to the technical field of textile fabric production and comprises a cooking box and a water-washing filtering and oil-removing device; the boiling box is connected with the water washing, filtering and oil removing device through a pipeline. The pretreatment hub-turning cooking system in the textile printing and dyeing industry has high production efficiency and good cooking effect, does not generate uneven steaming and dry spot marks, can efficiently remove other impurities such as natural symbionts, oil agents, stains and the like in the fabric, is provided with a filtering and oil removing device at the same time, and can recycle the treated water.

Description

Pretreatment hub boiling system in textile printing and dyeing industry

Technical Field

The invention relates to a pretreatment hub-rotating steaming and boiling system in the textile printing and dyeing industry, belonging to the technical field of textile fabric production.

Background

In the process of textile printing and dyeing, the main ecological problems faced at present are water conservation, energy conservation and sewage discharge reduction. The water consumption for processing is large and the sewage discharge amount is large before the textile printing and dyeing, the cost is increased due to the rising of water price, more serious, the water resource is insufficient in all countries in the world including China, and the discharge standard after the sewage treatment is more and more strict.

Because water resources in China are relatively short, the utilization rate is relatively low, the distribution is not uniform enough, and in addition, the demand of people for water resources is continuously increased, the advanced treatment and recycling of wastewater are urgently needed.

In the prior pretreatment equipment, various textiles have different characteristics and pretreatment processes, and the general main processes comprise desizing, scouring, bleaching, mercerizing, singeing and the like, wherein the scouring is to remove natural impurities on the cotton fabrics by a chemical method and a physical method and improve the physical properties of the fabrics, such as water absorption, whiteness, hand feeling and the like. Scouring is a very important step in the pretreatment process of printing and dyeing, and particularly emphasizes the repeatability of the process and the consistency of the product quality.

The prior pretreatment boiling equipment comprises the following components in an equipment operation mode: the method can be divided into intermittent boiling and continuous boiling, the intermittent boiling is generally processed in a rope-shaped mode, the production efficiency is low, the processing cost is high, the continuous steaming boiling is easy to produce transverse creases and scratches, dry spots and hot creases appear, and the requirement on the quality control of textiles with high dyeing requirements is high.

No matter which boiling method, all there is the water consumption big, and the attached coarse defect of sewage filter equipment of equipment can only filter great particulate matter in the boiling case, and the thick liquids and the finish that drop off on the fabric can not be filtered completely, and the water after the processing can not the retrieval and utilization ratio be lower.

Therefore, the development and the provision of a pretreatment wheel-turning cooking system which has high production efficiency, good cooking effect, no marks such as uneven steaming, folds, alkaline spots and the like, can efficiently remove other impurities such as natural commensals, oil agents, stains and the like in the fabrics, is provided with a filtering and oil removing device, and enables the treated water to be recycled in the textile printing and dyeing industry, and becomes a technical problem which needs to be solved urgently in the technical field.

Disclosure of Invention

The purpose of the invention is: aiming at the current situation of the prior art, the pretreatment wheel-turning cooking system has high production efficiency and good cooking effect, does not generate uneven steaming or wrinkles and alkaline spots, can efficiently remove other impurities such as natural symbionts, oil agents, stains and the like in the fabric, is provided with a filtering and oil removing device, and can recycle the treated water in the textile printing and dyeing industry.

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

a pretreatment hub cooking system in textile printing and dyeing industry comprises a cooking box and a water washing, filtering and oil removing device; the boiling box is connected with a water washing, filtering and oil removing device; the boiling box comprises a tension roller, a first boiling cloth guide roller, a first boiling filament separating roller, a first boiling transmission roller, a cloth arranging roller, a first boiling maintenance cover, a boiling box body, a second boiling maintenance cover, a second boiling transmission roller, a first boiling spray pipe, a second boiling filament separating roller, a third boiling filament separating roller, a boiling upper roller, a boiling lower roller, a cloth stacking groove, a first water discharge port, a second boiling cloth guide roller, a water tank, a burner heat exchange pipe, a circulating pump, a second water discharge port, a cloth guide plate, a second boiling spray pipe and a lighting lamp; the stacking groove is positioned in the middle of the boiling box body, ten to thirty second boiling cloth guide rollers are distributed below the stacking groove and used for supporting grey cloth, two burner heat exchange tubes are positioned below the water tank, the circulating pump is connected with the lower part of the water tank, the first water discharge port and the second water discharge port are positioned above the water tank and on two sides of the boiling box body, the cloth guide plate is arranged on one side of the boiling box body, the first boiling spray pipe and the second boiling spray pipe are distributed above the water tank, the illuminating lamp is positioned above the water tank, the tension roller, the first boiling cloth guide roller, the first boiling filament dividing roller, the first boiling transmission roller and the cloth swinging roller are sequentially distributed above the left side of the boiling box body, the second boiling transmission roller, the second boiling filament dividing roller and the third boiling filament dividing roller are distributed above the right side of the boiling box body, the boiling upper roller and the boiling lower roller are fixed on the right upper side of the boiling box body, the first boiling access cover and the second boiling access cover are positioned at the top of the boiling box body, the second boiling spray pipe is used for supplementing water, and the other end of the circulating pump is connected with the first boiling spray pipe through a pipeline to form water circulation;

the washing filters and deoiling device includes: the device comprises a clean water buffer tank, a filtering electric cabinet, a filtering tank, an oil removing electric cabinet, an oil removing tank, a cleaning pump, a waste solid box, an oil removing pump set and a cleaning pneumatic valve; the cleaning pump, the waste solid tank and the oil removing pump set are fixed on the base, the clear water buffer tank is connected with the filter tank through the cleaning pump, the filter tank is connected with the waste solid tank through the cleaning pneumatic valve, the oil removing tank is connected with the oil removing pump set through a pipeline, the filter electric cabinet is connected with the clear water buffer tank and the control valve of the filter tank, and the oil removing electric cabinet is connected with the control valve of the oil removing tank;

the oil removing tank comprises an oil removing tank body, an oil scraping motor, a transmission chain, an oil scraping plate, an oil outlet, a liquid inlet, a honeycomb ceramic filter sheet, an aerator and a water outlet; the oil scraping motor is connected with the oil scraping plate through a transmission chain, the oil discharging port is located on one side of the upper portion of the oil removing tank body, the liquid inlet is located on one side of the upper portion of the oil removing tank body, the honeycomb ceramic filter sheet is located on the lower portion of the oil removing tank body, the aerator is located at the bottom of the oil removing tank body, and the water outlet is located on one side of the bottom of the oil removing tank body.

Preferably, the concrete connection between the boiling tank and the water washing, filtering and oil removing device is as follows:

a first water discharge port and a second water discharge port in the boiling box are connected with a liquid inlet in a degreasing tank in the water washing filtering and degreasing device, and a water outlet in the degreasing tank is connected with a water tank in the boiling box; the bottom of the water tank in the boiling box is connected with a filter tank in the washing filtering and oil removing device through a pump and a pipeline, and a clear water buffer tank in the washing filtering and oil removing device is connected with the water tank in the boiling box.

Preferably, the textile low-carbon dyeing and finishing pretreatment washing system is further provided with a PLC controller which is respectively electrically connected with the boiling box and the washing, filtering and oil removing device.

Preferably, the PLC controller is electrically connected to the following components: a dividing roller in the boiling box; a tension sensor on a tension roller in the digester; an encoder on a drive roller in the digester; a temperature sensor in the digester tank; a liquid level sensor in the digester.

Preferably, the PLC is electrically connected with a filtering electric cabinet, an oil removing electric cabinet, a cleaning pump, an oil removing pump set and a cleaning pneumatic valve in the water washing filtering and oil removing device.

Preferably, the PLC is specifically connected with an oil scraping motor and an aerator in an oil removal tank in the water washing, filtering and oil removing device.

Preferably, 20-60 ultrafiltration ceramic membrane tubes are distributed in the filter tank.

Compared with the prior art, the invention has the beneficial effects that:

the pretreatment hub-turning cooking system in the textile printing and dyeing industry has high production efficiency and good cooking effect, does not generate uneven steaming and marks such as wrinkles, alkali spots and the like, can efficiently remove other impurities such as natural symbionts, oil agents, dirty natural symbionts, oil agents, stains and the like in fabrics, is provided with a filtering and oil removing device, and can recycle the treated water.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, but the present invention is not meant to be limited to the scope of the present invention.

Drawings

FIG. 1 is a schematic structural diagram of a scouring box in a pretreatment hub cooking system in the textile printing and dyeing industry in embodiment 1 of the invention.

Fig. 2 is a schematic structural diagram of a water washing, filtering and oil removing device in a pretreatment hub cooking system in the textile printing and dyeing industry in embodiment 1 of the invention.

Fig. 3 is a schematic structural diagram of an oil removal tank in a water washing, filtering and oil removing device in a pretreatment rotating-wheel cooking system in the textile printing and dyeing industry in embodiment 1 of the invention.

Names of main parts:

1 tension roller 2 first scouring guide roller

3 first boiling filament separating roller 4 first boiling driving roller

5 swing cloth roller 6 first boiling access cover

7 boiling box body 8 second boiling access cover

9 second boiling driving roller 10 first boiling spray pipe

11 second boiling devillicating roller 12 third boiling devillicating roller

13 boiling upper roll and 14 boiling lower roll

15 pile cloth groove 16 first water discharge outlet

17 second scouring cloth guide roll 18 water tank

19 burner heat exchange tube 20 circulating pump

21 second water and oil discharging port 22 cloth guide plate

23 second boiling shower 24 lighting lamp

25 pretreatment grey cloth 26 clear water buffer tank

27 filtering electric control box 28 filtering tank

29 oil removing tank of oil removing electric control box 30

31 purge pump 32 purge pneumatic valve

33 waste solid box 34 oil removing pump set

30-1 oil scraping motor 30-2 transmission chain

30-3 oil scraping plate 30-4 oil drain port

30-5 liquid inlet 30-6 honeycomb ceramic filter sheet

30-7 aerator 30-8 water outlet

Detailed Description

Unless otherwise indicated, the devices and methods described in the detailed description of the invention are all conventional in the art; unless otherwise indicated, the devices or components of the embodiments of the present invention are commercially available conventional devices or components, and their installation and connection are conventional in the art.

Example 1

The pretreatment hub boiling system in the textile printing and dyeing industry of the embodiment 1 of the invention comprises a boiling box and a water washing, filtering and oil removing device; the boiling box is connected with a water washing, filtering and oil removing device;

FIG. 1 is a schematic structural diagram of a scouring box in a pretreatment hub cooking system in the textile printing and dyeing industry in embodiment 1 of the invention; the system comprises a tension roller 1, a first boiling cloth guide roller 2, a first boiling filament separating roller 3, a first boiling transmission roller 4, a cloth swinging roller 5, a first boiling maintenance cover 6, a boiling box body 7, a second boiling maintenance cover 8, a second boiling transmission roller 9, a first boiling spray pipe 10, a second boiling filament separating roller 11, a third boiling filament separating roller 12, a boiling upper roller 13, a boiling lower roller 14, a stacking groove 15, a first drainage port 16, a second boiling cloth guide roller 17, a water tank 18, a burner heat exchange pipe 19, a circulating pump 20, a second drainage oil outlet 21, a cloth guide plate 22, a second boiling spray pipe 23, an illuminating lamp 24 and a pre-treatment grey cloth 25, wherein the first boiling transmission roller is arranged on the upper surface of the boiling box body, the second boiling maintenance cover 13, the second boiling transmission roller 9, the stacking groove 15, the first drainage port 17, the second boiling cloth guide roller 17, the water tank 18, the burner heat exchange pipe 19, the circulating pump 21, the second drainage oil outlet;

the scouring box in the textile low-carbon dyeing and finishing pretreatment washing system in embodiment 1 of the invention comprises a tension roller 1, a first scouring cloth guide roller 2, a first scouring yarn separating roller 3, a first scouring transmission roller 4, a cloth swinging roller 5, a first scouring inspection cover 6, a scouring box body 7, a second scouring inspection cover 8, a second scouring transmission roller 9, a first scouring spray pipe 10, a second scouring yarn separating roller 11, a third scouring yarn separating roller 12, a scouring upper roller 13, a scouring lower roller 14, a cloth piling groove 15, a first water discharge port 16, a second scouring cloth guide roller 17, a water tank 18, a burner heat exchange pipe 19, a circulating pump 20, a second water discharge port 21, a cloth guide plate 22, a second scouring spray pipe 23 and a lighting lamp 24; the cloth stacking groove 15 is positioned in the middle of the boiling box body 7, 19 second boiling cloth guide rollers 17 are distributed below the cloth stacking groove 15 and used for supporting grey cloth, two burner heat exchange tubes 19 are positioned below the water tank 18, a circulating pump 20 is connected with the lower part of the water tank 18, a first water discharge outlet 16 and a second water discharge outlet 21 are positioned above the water tank 18 and on two sides of the boiling box body 7, a cloth guide plate 22 is arranged on one side of the boiling box body 7, a first boiling spray pipe 10 and a second boiling spray pipe 23 are distributed above the water tank 18, an illuminating lamp 24 is positioned above the water tank 18, a tension roller 1, a first boiling cloth guide roller 2, a first boiling wire distributing roller 3, a first boiling driving roller 4 and a cloth swinging roller 5 are sequentially distributed above the left of the boiling box body 7, a second boiling wire distributing roller 9, a second boiling wire distributing roller 11 and a third boiling wire distributing roller 12 are distributed above the right of the boiling box body 7, the upper boiling roller 13 and the lower boiling roller 14 are fixed on the right upper side of the boiling box body 7, the first boiling access cover 6 and the second boiling access cover 8 are positioned on the top of the boiling box body 7, the second boiling spray pipe 23 is used for supplementing water, and the other end of the circulating pump 20 is connected with the first boiling spray pipe 10 through a pipeline to form water circulation;

the operational flow of the scouring box is as follows: the pre-treated gray fabric 25 detects tension through a tension roller 1, then sequentially passes through a first boiling guide roller 2, a first boiling filament separating roller 3 and a first boiling transmission roller 4, enters a cloth swinging roller 5, is flatly piled in 12 grooves in a piling groove 15 through uniform regular swinging of the cloth swinging roller 5, is provided with uniform meshes in each groove, a burner heat exchange tube 19 heats water in a boiling tank water tank 18, boils the gray fabric in the piling groove 15, the boiled gray fabric sequentially passes through a second boiling transmission roller 9, a second boiling filament separating roller 11, a third boiling filament separating roller 12, a boiling upper roller 13 and a boiling lower roller 14, excessive water is rolled off through rolling, the water mixed with oil is discharged through a first water discharge oil discharge port 16 and a second water discharge port 21, and then enters a liquid inlet 30-5 in an oil removal tank 30 in a filtering and oil removal device for treatment, oil stains are collected and recovered, and clear water flows back to a water tank 18 in the boiling box 3 through a water outlet 30-8 after oil removal treatment for recycling; the bottom of the water tank 18 is connected with a filtering tank 28 through a pump and a pipeline, and the filtered clear water enters a clear water buffer tank 26 and then returns to the water tank 18;

as shown in fig. 2, a schematic structural diagram of a water washing, filtering and oil removing device in a water washing system for low-carbon dyeing and finishing pretreatment in textile in embodiment 1 of the present invention is shown; wherein, 26 is a clear water buffer tank, 27 is a filtering electric control box, 28 is a filtering tank, 29 is an oil removing electric control box, 30 is an oil removing tank, 31 is a cleaning pump, 32 is a cleaning pneumatic valve, 33 is a waste solid box, and 34 is an oil removing pump group;

the washing, filtering and oil removing device in the pretreatment rinsing system in the textile printing and dyeing industry in the embodiment 1 of the invention comprises: a clear water buffer tank 26, a filtering electric control box 27, a filtering tank 28, an oil removing electric control box 29, an oil removing tank 30, a cleaning pump 31, a cleaning pneumatic valve 32, a waste solid box 33 and an oil removing pump set 34; the cleaning pump 31, the waste solid box 33 and the oil removing pump set 34 are fixed on the base, the clear water buffer tank 26 is connected with the filter tank 28 through the cleaning pump 31, the filter tank 28 is connected with the waste solid box 33 through the cleaning pneumatic valve 32, the oil removing tank 30 is connected with the oil removing pump set 34 through a pipeline, the filtering electric control box 27 is connected with the control valves of the clear water buffer tank 26 and the filter tank 28, and the oil removing electric control box 29 is connected with the control valve of the oil removing tank 30;

the textile low-carbon dyeing and finishing pretreatment washing system disclosed by the embodiment 1 of the invention is also provided with a PLC (programmable logic controller), which is respectively and electrically connected with the boiling box and the washing, filtering and oil removing device;

the PLC controller is electrically connected with a filtering electric control box 27, an oil removing electric control box 29, a cleaning pump 31, an oil removing pump set 34 and a cleaning pneumatic valve 32 in the water washing filtering and oil removing device;

43 ultrafiltration ceramic membrane tubes are distributed in the filter tank 28, all impurities such as suspended matters in the boiling tank and the water washing tank are filtered out in time, the filtered clean water is recycled to the boiling tank and the water washing tank, and the separated solid waste is collected in the waste solid tank;

the filtering device comprises a clear water buffer tank 26, a filtering electric control box 27, a filtering tank 28, an oil removing electric control box 29, a waste solid box 33, a cleaning pneumatic valve 32 and a cleaning pump 31; the cleaning device has a back cleaning function, and can automatically clean the tank body, the pipeline and the ultrafiltration ceramic membrane tube;

the oil removing device comprises an oil removing electric cabinet 29, an oil removing tank 30 and an oil removing pump set 34, wherein a radar liquid level meter (not marked in the figure) is arranged on one side of the oil removing tank 30, and an aerator, a honeycomb ceramic filter plate, a high-efficiency oil scraping device and the like are arranged in the oil removing tank 30;

the PLC is electrically connected with an oil scraping motor 30-1 and an aerator 30-7 in an oil removal tank in the water washing filtering and oil removing device;

as shown in fig. 3, a schematic structural diagram of an oil removal tank in a washing filtering and oil removing device in a washing system before a textile low-carbon dyeing and finishing treatment in embodiment 1 of the present invention is shown; wherein, 30-1 is a scraping motor, 30-2 is a transmission chain, 30-3 is a scraping plate, 30-4 is an oil drain port, 30-5 is a liquid inlet, 30-6 is a honeycomb ceramic filter, 30-7 is an aerator, and 30-8 is a water outlet; the oil removing tank comprises an oil removing tank body, an oil scraping motor 30-1, a transmission chain 30-2, an oil scraping plate 30-3, an oil drain port 30-4, a liquid inlet 30-5, a honeycomb ceramic filter sheet 30-6, an aerator 30-7 and a water outlet 30-8; the oil scraping motor 30-1 is connected with the oil scraping plate 30-3 through a transmission chain 30-2, an oil outlet 30-4 is positioned at one side of the upper part of the oil removing tank body, a liquid inlet 30-5 is positioned at one side of the upper part of the oil removing tank body, a honeycomb ceramic filter sheet 30-6 is positioned at the lower part of the oil removing tank body, an aerator 30-7 is positioned at the bottom of the oil removing tank body, and a water outlet 30-8 is positioned at one side of the bottom of the oil removing tank body;

the operation flow of the water washing filtering and oil removing device is as follows: the water washing filtering and oil removing device is positioned behind the scouring box and is connected through a pipeline, water in the scouring box is conveyed into the filtering tank 28 through a pump set and is filtered by the ceramic membrane filtering pipe inside, the filtered clean water passes through the clean water buffer tank 26 and circulates back into the scouring box, when the residues on the ceramic membrane filtering pipe are too much and the pressure difference between the two sides of the ceramic membrane filtering pipe reaches a set value, the cleaning pump 31 is started, the cleaning pneumatic valve 32 is opened, the residues on the ceramic membrane filtering pipe are cleaned through high pressure, and the residues are collected in the waste solid box 33; through an oil removal pump unit 34, an oil stain layer in the boiling tank enters an oil removal tank 30, oil is removed through an oil removal device (a conventional scraper oil removal device available in the market) in the oil removal tank 30, treated clean water is circulated back to the boiling tank, and oil stains are collected in an oil stain containing barrel through a pipeline;

the concrete connection of the boiling box and the water washing, filtering and oil removing device is as follows:

a first water discharge port 16 and a second water discharge port 21 in the cooking box are connected with a liquid inlet 30-5 in a degreasing tank 30 in the water washing filtering and degreasing device, and a water outlet 30-8 in the degreasing tank 30 is connected with a water tank 18 in the cooking box 3; the bottom of the water tank 18 in the digester tank 3 is connected by a pump and piping to a filtration tank 28 in the water washing filtration and oil removal device, and a clear water buffer tank 26 in the water washing filtration and oil removal device is connected to the water tank 18 in the digester tank 3.

The PLC controller is electrically connected with the following components respectively: a filament separating roller (switch on-off) in the boiling box; a tension roller in the boiling box is electrically connected with a tension sensor (not shown) on the tension roller for tension control; the driving roller in the boiling box is electrically connected with an encoder (not marked in the figure) on the driving roller to control the linear speed; a temperature sensor (not shown) in the digester is electrically connected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (8)

1. A pretreatment hub boiling system in the textile printing and dyeing industry is characterized in that: comprises a boiling box and a water washing, filtering and oil removing device; the boiling box is connected with the water washing, filtering and oil removing device through a pipeline; the boiling box comprises a tension roller, a first boiling cloth guide roller, a first boiling filament separating roller, a first boiling transmission roller, a cloth arranging roller, a first boiling maintenance cover, a boiling box body, a second boiling maintenance cover, a second boiling transmission roller, a first boiling spray pipe, a second boiling filament separating roller, a third boiling filament separating roller, a boiling upper roller, a boiling lower roller, a cloth stacking groove, a first water discharge port, a second boiling cloth guide roller, a water tank, a burner heat exchange pipe, a circulating pump, a second water discharge port, a cloth guide plate, a second boiling spray pipe and a lighting lamp; the stacking groove is positioned in the middle of the boiling box body, ten to thirty second boiling cloth guide rollers are distributed below the stacking groove and used for supporting grey cloth, two burner heat exchange tubes are positioned below the water tank, the circulating pump is connected with the lower part of the water tank, the first water discharge port and the second water discharge port are positioned above the water tank and on two sides of the boiling box body, the cloth guide plate is arranged on one side of the boiling box body, the first boiling spray pipe and the second boiling spray pipe are distributed above the water tank, the illuminating lamp is positioned above the water tank, the tension roller, the first boiling cloth guide roller, the first boiling filament dividing roller, the first boiling transmission roller and the cloth swinging roller are sequentially distributed above the left side of the boiling box body, the second boiling transmission roller, the second boiling filament dividing roller and the third boiling filament dividing roller are distributed above the right side of the boiling box body, the boiling upper roller and the boiling lower roller are fixed on the right upper side of the boiling box body, the first boiling access cover and the second boiling access cover are positioned at the top of the boiling box body, the second boiling spray pipe is used for supplementing water, and the other end of the circulating pump is connected with the first boiling spray pipe through a pipeline to form water circulation;

the washing filters and deoiling device includes: the device comprises a clean water buffer tank, a filtering electric cabinet, a filtering tank, an oil removing electric cabinet, an oil removing tank, a cleaning pump, a waste solid box, an oil removing pump set and a cleaning pneumatic valve; the cleaning pump, the waste solid tank and the oil removing pump set are fixed on the base, the clear water buffer tank is connected with the filter tank through the cleaning pump, the filter tank is connected with the waste solid tank through the cleaning pneumatic valve, the oil removing tank is connected with the oil removing pump set through a pipeline, the filter electric cabinet is connected with the clear water buffer tank and the control valve of the filter tank, and the oil removing electric cabinet is connected with the control valve of the oil removing tank;

the oil removing tank comprises an oil removing tank body, an oil scraping motor, a transmission chain, an oil scraping plate, an oil outlet, a liquid inlet, a honeycomb ceramic filter sheet, an aerator and a water outlet; the oil scraping motor is connected with the oil scraping plate through a transmission chain, the oil discharging port is located on one side of the upper portion of the oil removing tank body, the liquid inlet is located on one side of the upper portion of the oil removing tank body, the honeycomb ceramic filter sheet is located on the lower portion of the oil removing tank body, the aerator is located at the bottom of the oil removing tank body, and the water outlet is located on one side of the bottom of the oil removing tank body.

2. The pretreatment hub cooking system of the textile printing and dyeing industry according to claim 1, wherein: the boiling box is specifically connected with the water washing, filtering and oil removing device as follows: a first water discharge port and a second water discharge port in the boiling box are connected with a liquid inlet in a degreasing tank in the water washing filtering and degreasing device, and a water outlet in the degreasing tank is connected with a water tank in the boiling box; the bottom of the water tank in the boiling box is connected with a filter tank in the washing filtering and oil removing device through a pump and a pipeline, and a clear water buffer tank in the washing filtering and oil removing device is connected with the water tank in the boiling box.

3. The pretreatment hub cooking system of the textile printing and dyeing industry according to claim 2, wherein: the textile low-carbon dyeing and finishing pretreatment washing system is also provided with a PLC controller which is respectively electrically connected with the boiling-off box and the washing, filtering and oil removing device.

4. The pretreatment hub cooking system of the textile printing and dyeing industry according to claim 3, wherein: the PLC controller is electrically connected with the following components respectively: a dividing roller in the boiling box; a tension sensor on a tension roller in the digester; an encoder on a drive roller in the digester; a temperature sensor in the digester.

5. The pretreatment hub cooking system of the textile printing and dyeing industry according to claim 4, wherein: the PLC controller is electrically connected with a filtering electric cabinet, an oil removing electric cabinet, a cleaning pump, an oil removing pump set and a cleaning pneumatic valve in the washing filtering and oil removing device.

6. The pretreatment hub cooking system of the textile printing and dyeing industry according to claim 5, wherein: the PLC is electrically connected with an oil scraping motor and an aerator in an oil removal tank in the water washing, filtering and oil removing device.

7. The pretreatment hub cooking system of the textile printing and dyeing industry according to claim 1, wherein: 20-60 ultrafiltration ceramic membrane tubes are distributed in the filter tank.

8. The pretreatment hub cooking system of the textile printing and dyeing industry according to claim 1, wherein: 43 ultrafiltration ceramic membrane tubes are distributed in the filter tank.

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