WO2012152052A1

WO2012152052A1 - Airflow atomization dyeing machine system and water-utilization method therefor

Info

Publication number: WO2012152052A1
Application number: PCT/CN2012/000226
Authority: WO
Inventors: 陈和军
Original assignee: 浙江银河印染有限公司
Priority date: 2011-05-11
Filing date: 2012-02-22
Publication date: 2012-11-15
Also published as: EP2559798A1; DE202012013234U1; EP2559798A4

Abstract

An airflow atomization dyeing machine system and a water-utilization method therefor. A partition (24) is disposed in the middle of a vat (4) of the airflow atomization dyeing machine. The partition (24) divides the vat (4) into two parts. A connection valve II (18) is disposed on the bottom portion of the vat (4), below the partition (24), and is in communication with the two sides of the vat (4). A connection valve IV (23) is disposed in the middle of the main connection tube of the spray nozzle (27). The left end of the main connection tube of the spray nozzle (27) is coupled, by means of a connecting valve III (22), to a matching ancillary pump (20) disposed on the left side of the vat (4). A connection valve I (17) is disposed between the other end of the ancillary pump (20) and a discharge valve (16) disposed on the bottom portion of the vat (4) on the right side of the partition (24). A discharge valve II (19) is disposed on the bottom portion of the vat (4) on the left side of the partition (24). The present invention conserves water resources and enhances work efficiency. The system and the water-utilization method therefor can be used in two-, four-, six-, or eight-tube dyeing machines. The invention reduces waste water discharge and increases water utilization without affecting the dye quality, and reduces production costs.

Description

Instruction manual

Airflow atomization dyeing machine system and water use method thereof

The invention relates to a gas flow atomization dyeing machine system and a water use method thereof.

Background technique

In the field of the existing airflow dyeing machine, the grey fabric is driven by the airflow and the guide wheel during the pretreatment and dyeing, and the ratio of the water and the cloth is relatively small. Generally, the cotton fabric is 1:3-4, and the polyester fabric is 1:2-4. However, the pre-treatment and post-staining water washing are continuous water washing, and are continuously discharged, and the water consumption is large. Therefore, in the previous process of processing and dyeing, such as processing and producing per ton of polyester-cotton dark grey fabric, the total water consumption of the pre-treatment and dyeing and washing process will reach 80 tons, resulting in serious waste of water resources and increased production costs. .

Summary of the invention

In view of the problems in the prior art, it is an object of the present invention to provide a technical solution for an air flow atomization dyeing machine system and a water use method therefor.

The airflow atomization dyeing machine system comprises a matching cylinder, a heat exchanger, a feeding bucket, a main pump, a fan, a storage tank, a guide roller, a nozzle, a filter, a feeding pump, a steam heating valve Cooling water inlet valve, trap, cooling water discharge valve, return valve, inlet valve, direct feed valve, metering valve, feed return valve, feed pump, feed bucket drain valve, connection width V, characterized by The middle portion of the cylinder body is provided with a partition plate, and the partition plate divides the cylinder body into two parts. A connecting valve II connecting the two sides of the cylinder block is installed at the bottom of the cylinder body below the partition plate; Connecting the valve IV, the left end of the nozzle main connecting pipe is connected with the additional pump disposed on the left side of the cylinder through the connecting valve III, and the connecting valve I is disposed between the other end of the additional pump and the discharge width I disposed at the bottom of the right side of the partition plate. The bottom of the cylinder on the left side of the partition plate is provided with a discharge width II. , The airflow atomization dyeing machine system is characterized in that the height of the insulation panel is one third of the height of the storage tank.

The airflow atomization dyeing machine system is characterized in that the additional pump is of the same type as the main pump. The water method of the airflow atomization dyeing machine system is characterized in that the polyester cotton cloth in the dyeing machine needs to undergo the following process steps:

1) Pre-treatment: 60°C influent feeding fabric running, directly heating to 98°C, holding for 40-60 minutes, directly cooling to 70°C, pre-treatment to complete drainage once, and continuously washing into 60°C hot water for 15 minutes. Neutralize and wash for 5 minutes, deoxygenate for 5 minutes;

2) Dyeing and dyeing: 60°C influent feeding fabric running, heating up to 130 °C at a heating rate of 1-2 °C per minute, holding for 40-60 minutes, then directly cooling to below 80 °C, dyeing and finishing Drain once;

3) Reductive cleaning: 60 °C influent feeding fabric running, directly heating to 80 ° C, holding for 10 minutes, draining once, continuously into 60 ° C hot water for 10 minutes, washing for 10 minutes;

4) Dyeing cotton: Into the water at 60 °C and metering the feeding, the running of the grey cloth is increased to 70 °C at a heating rate of 1 °C per minute, and the temperature is kept for 30 minutes. Then the second metering is added, the temperature is kept for 30 minutes, and the dyeing is completed. Once, continue to wash in hot water at 60 ° C for 15 minutes, and wash for 10 minutes;

5) Soaping: 60 Ό water feed, the fabric is directly heated to 90 ° C, kept for 10 minutes, soaped to complete the drainage, continuous into 60 ° C hot water for 15 minutes, washed for 10 minutes;

When the dyeing machine is in normal circulation operation, the fan is swayed, and one end of each tube blank cloth in the dyeing machine passes through the respective guide wheels through respective nozzles into respective storage slots. When the gray cloth is finished, the head and tail of the cloth are connected into a rope shape. The aerodynamic force generated by the fan is continuously driven. At the same time, the inlet valve, the connection valve II, the connection valve IV, the connection valve V, the discharge valve I, the discharge valve II, the connection valve I, the connection valve III, the additional pump, and the main pump are opened. The pump, the water passes through the heat exchanger, the nozzle and the driven fabric are continuously contacted, and the water flows down the cylinder to the bottom of the cylinder. After passing through the filter screen, connecting the valve V, and finally flowing back to the main pump for water circulation, when the cylinder body reaches the set water level, the inlet valve is closed;

When the temperature rise is required in the process step, the steam heating valve is opened, and the steam is indirectly contacted with the water in the cylinder through the heat exchanger, the water temperature in the cylinder is increased, and the steam becomes water vapor discharged from the drain; when the temperature needs to be lowered, the steam is turned off. The steam is heated wide, and the cooling water inlet valve is opened. The cold water is indirectly contacted with the water in the cylinder through the heat exchanger, the water temperature in the cylinder is lowered, and the cooling water is turned into hot water from the cooling water discharge valve, and the main pump is the whole process. The water circulation in the body provides power;

When the process step needs to be added, the auxiliary agent or the dye is diluted in the feeding tank in advance, and the feeding pump is turned on when the feeding is added. If the feeding is added, the metering and feeding valve is opened, and the feeding return valve is opened to return the metered material to the feeding barrel. If directly feeding, close the metering valve and the feeding return valve, open the direct feeding valve, when the feeding is nearing completion, open the return valve and feed the remaining material of the feeding barrel from the feeding pump to the cylinder through the direct feeding valve, and close the return valve. After the remaining material is pumped out, then the feeding drum is washed with water, the feeding reflux is turned on, and the feeding barrel and the like are cyclically cleaned by the feeding pump. After the completion, the feeding pump is closed, the feeding return valve is closed, the feeding barrel is drained, the cleaning is finished, and the feeding barrel is closed. Drain valve;

When water washing is required in the process step, the main pump is first turned off, the discharge valve I is opened, the water at the bottom of the cylinder is directly discharged from the discharge valve I, and it takes 1 minute; then the discharge valve I, the connection valve II, the connection width IV are closed. And connecting the valve, open the connection valve I, the discharge valve II and the connection valve III, open the inlet valve, start the main pump and the additional pump, the main pump injects water into the cylinder on the right side of the isolation plate, and performs the polyester cotton cloth in the cylinder body After washing, the water flows to the bottom of the cylinder. After the filter and the valve I are connected, the additional pump acts, and the water is sent to the left cylinder of the isolation plate through the connecting valve III. After the washing of the polyester cotton cloth in the left cylinder of the isolation plate is completed, The water is discharged through the discharge valve II, and the washing is completed.

The water method of the airflow atomization dyeing machine system is characterized in that in the step 4) dyeing process, the first metering feed is dye and Yuanming powder, and the second metering feed is soda ash. The invention effectively saves water resources and improves work efficiency; taking a dyeing machine of four tubes as an example, a partition plate is arranged between the first and second tubes and the third and fourth tubes, and is on the corresponding pipeline The valve is added, so that during the whole washing process, the water after the first and second tubes are washed by the additional pump is pumped to the third and fourth tubes for washing, and the purpose of washing the circulating water is achieved, thereby reducing the entire pretreatment, reducing and cleaning. Water for dyeing and washing with soap. This system and its water method can be used in dyeing machines such as two-tube, four-tube, six-tube and eight-tube, which reduce waste water discharge and improve water utilization. It does not affect the dyeing quality of the grey fabric and reduces the production cost.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention;

2 is a schematic view 2 of the structure of the present invention.

detailed description

The present invention is further described below in conjunction with the drawings of the specification:

An airflow atomization dyeing machine system comprising a cylinder 4, a heat exchanger 3, a feeding tank 8, a main pump 9, a fan 21, a storage tank 25, a guide wheel 26, a nozzle 27, a filter 29, Feed pump 14, steam heating valve 1, cooling water inlet valve 2, steam trap 5, cooling water discharge valve 6, return valve 7, inlet valve 10, direct feed width 11, metering valve 12, feed return valve 13, The feed pump 14, the feed bucket drain valve 15, and the connecting valve V30, the middle portion of the cylinder block 4 is provided with a partition plate 24, and the partition plate 24 divides the cylinder block 4 into two parts, and is installed at the bottom of the cylinder block 4 below the partition plate 24. The connecting valve II 18 is connected to the two sides of the cylinder block 4; the nozzle 27 is connected to the middle of the pipe to be connected with the connecting valve IV23, and the left end of the nozzle 27 is connected to the left end of the pipe to be connected with the additional pump disposed on the left side of the cylinder 4 20, the other end of the additional pump 20 is disposed between the discharge valve I 16 disposed at the bottom of the right side of the partition plate 24, and the discharge valve I 16 is disposed at the bottom of the cylinder 4 on the left side of the partition plate 24. The height of the partitioning plate 24 is one third of the height of the storage tank 25, an additional pump 20 is the same model as the main pump 9. The water method of the airflow atomization dyeing machine system, the polyester cotton cloth in the dyeing machine needs to undergo the following process steps:

1) Pre-treatment: 60°C influent feeding fabric running, directly heating to 98°C, holding for 40-60 minutes, directly cooling to 70'C, draining once before pretreatment, and continuously washing in 60°C for 15 minutes. Neutralize and wash for 5 minutes, deoxygenate for 5 minutes;

2) Dyeing and dyeing: 60°C influent feeding fabric running, heating up to 130 V at a heating rate of 1-2 °C per minute, holding for 40-60 minutes, then directly cooling to below 80 °C, dyeing and finishing to complete drainage Once

4) Dyeing cotton: Into the water at 60 °C and metering the feeding, the running of the grey cloth is increased to 70 °C at a heating rate of C per minute, and the temperature is kept for 30 minutes. Then the second feeding is performed, the temperature is kept for 30 minutes, and the dyeing is completed once. Continuously wash in hot water at 60 ° C for 15 minutes, and wash for 10 minutes;

5) Soaping: 60 °C water feed, the cloth is directly heated to 90 ° C, kept for 10 minutes, soaped to complete the drainage, continuous into 60 ° C hot water for 15 minutes, washed for 10 minutes;

When the dyeing machine is normally cycled, the fan 21 is actuated, and one end of each tube blank 28 in the dyeing machine is passed through the respective guide wheels 26 through the respective nozzles 27 into the respective storage slots 25. When the fabric 28 is finished, the gray cloth 28 head and tail Connected in a rope shape, continuously driven by the aerodynamic force generated by the fan 21, simultaneously opening the inlet valve 10, connecting the valve 11 18, connecting the valve IV23, connecting the valve V 30, closing the discharge valve I 16 , discharging the valve 11 19 , connecting The valve 1 17 , the connecting valve 11122 , the additional pump 20 , activates the main pump 9 , the water passes through the heat exchanger 3 , the nozzle 27 continuously contacts the driven fabric 28 , and the water flows down into the bottom of the cylinder 4 in the cylinder 4 . Filter 29, connecting valve V30, and finally flowing back to the main pump 9 for water circulation, when the cylinder 4 reaches the set water level, close the inlet valve 10; When the temperature rise is required in the process step, the steam heating valve 1 is opened, and the steam is indirectly contacted with the water in the cylinder 4 through the heat exchanger 3, the water temperature in the cylinder 4 is increased, and the steam becomes water vapor discharged from the steam trap 5; When it is necessary to cool down, close the steam heating width 1 and open the cooling water inlet valve 2, the cold water is indirectly contacted with the water in the cylinder 4 through the heat exchanger 3, the water temperature in the cylinder 4 is lowered, and the cooling water becomes hot water from the cooling water. The discharge valve 6 is discharged, and the main process 9 supplies power to the water circulation in the cylinder 4 throughout the process;

When the feeding process needs to be added, the auxiliary agent or the dye is diluted in the feeding tank 8 in advance, and the feeding pump 14 is turned on when the feeding is performed. If the feeding is started, the metering and feeding valve 12 is opened, and the feeding and returning valve 13 is opened to make the part exceeding the metering amount. Returning to the feeding tank 8; if directly feeding, closing the metering feeding valve 12 and the feeding return valve 13 to open the direct feeding valve 11; when the feeding is nearing completion, the returning valve 7 is opened, and the remaining material of the feeding barrel 8 is directly passed by the feeding pump 14 The feeding valve 11 is sent to the cylinder 4, the return valve 7 is closed, the remaining material is exhausted, then the feeding tank 8 is washed with water, the feeding return valve 13 is opened, the feeding pump 14 is used to circulate the feeding barrel 8 and the like, and the feeding pump is closed after completion. 14, close the feed return valve 13, open the feed bucket drain valve 15, the cleaning is finished, close the feed bucket drain valve 15;

When water washing is required in the process step, the main pump 9 is first turned off, the discharge valve I is opened, the water at the bottom of the cylinder 4 is directly discharged from the discharge valve I 16 for 1 minute; then the discharge valve I 16 is closed, and the connection valve is closed. II 18, the connecting valve W23 and the connecting valve V30, open the connecting valve 1 17, the discharge valve II 19 and the connecting valve 11122, open the inlet valve 10, actuate the main pump 9 and the additional pump 20, and the main pump 9 injects water into the separating plate 24 The cylinder 4 on the right side washes the polyester cotton cloth in the cylinder block 4, and the water flows to the bottom of the cylinder block 4. After the filter 29 and the valve I 17 are connected, the additional pump 20 is operated, and the water is sent to the valve port 22 through the connection valve 22 The left side cylinder 4 of the partitioning plate 24, the water-repellent cloth in the left side cylinder block 4 of the partitioning plate 24 is washed, and the water is discharged through the discharge valve Π 19, and the water washing is completed.

In the step 4) dyeing process, the first metering feed is dye and Yuanming powder, and the second metering feed is soda ash.

Take the dyeing machine of four tubes as an example, that is, there are four storage tanks in the dyeing machine cylinder, and the dyeing liquid in each cylinder is Fully connected. An isolation plate 24 is disposed between the first and second tubes and the third and fourth tubes, and a connection valve 1 17 , a connection valve II 18 , a discharge valve 1119 , a connection valve 11122 , a connection valve IV23, and the like are added to the corresponding pipes. The pump 20 is additionally provided, so that the water after the first and second tubes in the right cylinder 4 of the partitioning plate 24 is pumped by the additional pump 20 to the left cylinder 4 of the partitioning plate 24 during the water washing process of the entire dyeing process. The third and fourth tubes are reused, so that the purpose of circulating water for the washing process is achieved, and the above-mentioned washing cycle process is used only when there is a step of washing in the above process. When the washing is not required, the dyeing machine is in a normal working mode. By the above-mentioned circulating water method, water for pretreatment, reduction cleaning, dyeing cotton, soaping process and then water washing process is reduced, and the system and the water method thereof are used in two tubes, four tubes, six tubes, eight tubes, etc. It can be used in the dyeing machine, which reduces the discharge of wastewater and improves the utilization of water, which not only does not affect the dyeing quality of the grey fabric 28, but also reduces the production cost.

When the dyeing machine is working, according to the requirements of pre-treatment and dyeing of the grey fabric, the aerodynamic force generated by the fan and the grey cloth of each storage tank of the guide wheel drive cylinder are controlled by the PLC program, and the dye liquor in the cylinder is passed by the main pump. The components such as the heat exchanger and the nozzle are atomized by the airflow and continuously contact with the fabric to continuously circulate, and the processes such as pre-treatment, dyeing, and water washing are completed.

Take a four-tube airflow atomization dyeing machine with a capacity of 250 kg per tube of polyester-cotton knitted fabric. The total capacity is 1000 kg, and the water and polyester cotton cloth are arranged in 1:3. When working, the first step of the dyeing machine is to complete the drainage once before the water is added. Because the water content of the polyester/cotton cloth in the cylinder is 1:2, that is, the drainage at the bottom of the cylinder is about ton of tons of water, and then enter the continuous water. Circulating hot water for 15 minutes, neutralizing and washing for 5 minutes, deoxidizing water for 5 minutes; the second step of water feeding and dyeing to complete the drainage once, the same with xenon water; the third step of water feeding and reducing cleaning to complete the drainage once, the same壹 tons of water, then enter the continuous circulating hot water for 10 minutes, water washing for 10 minutes; the fourth step of water feeding dyeing cotton to complete the drainage once, the same with ton tons of water, and then into the continuous water cycle hot water wash for 15 minutes, water washing for 10 minutes; The fifth step water is added to the soap to complete the drainage once, and the same amount of water is used, and then the hot water is washed in the continuous water circulation for 15 minutes, and washed for 10 minutes. According to the four-tube airflow atomization dyeing machine The standard design power of the pump and the standard design pressure of the influent water generally enter 400 kg of water per minute. The whole washing process is continuously counted into the water and drain for 95 minutes. The total water for washing is 400 X 95=38000 kg, ie 38 tons, plus five times. Drainage, a total of 5 tons, plus 2 tons of water-containing cotton cloth, total water consumption of 45 tons, using the dyeing machine system of the invention and its water use method, can save 38 tons of water, thus saving energy such as water and steam , reducing the amount of sewage discharge, and will not affect the quality of grey cloth dyeing, and improve economic efficiency.

Claims

Claim

1. An airflow atomization dyeing machine system comprising a cylinder, a heat exchanger, a feeding tank, a main pump, a fan, a storage tank, a guide roller, a nozzle, a filter, a feed pump, a steam heating valve, a cooling water inlet valve, a trap, a cooling water discharge valve, a return valve, a water inlet valve, a direct feed valve, a metering valve, a feed return valve, a feed pump, a tank drain valve, and a connecting valve V, characterized in that The middle part of the cylinder body is provided with a separating plate, and the separating plate divides the cylinder body into two parts, and a connecting width connecting the two sides of the cylinder block is installed at the bottom of the cylinder body below the separating plate; Valve IV, the left end of the nozzle main connecting pipe is connected with the additional pump disposed on the left side of the cylinder through the connecting valve III, and the connecting valve I is disposed between the other end of the additional pump and the discharge valve I disposed at the bottom of the right side of the partition plate. The bottom of the cylinder on the left side of the separator is provided with a discharge width II.

2. An air flow atomizer system according to claim 1 wherein said spacer has a height that is one third of the height of said storage slot.

3. An air flow atomizer system according to claim 1 wherein said additional pump is of the same type as the main pump.

4. A method of water use in an air flow atomizing dyeing machine system according to claim 1, wherein the polyester cotton cloth in the dyeing machine is subjected to the following process steps -

3) reduction cleaning: 60 °C influent feeding fabric running, directly heating to 80 ° C, holding for 10 minutes, draining once, continuously into 60 ° C hot water for 10 minutes, ₉ water washing for 10 minutes; 4) Dyeing cotton: 60 ° C water and metering feed, the cloth running at 1 ° C per minute, increase to 70 ° C for 30 minutes, then the second metering, 30 minutes, dyeing complete drainage , continuously wash into hot water at 60 ° C for 15 minutes, and wash for 10 minutes;

When the dyeing machine is in normal circulation operation, the fan is started, and one end of each tube blank cloth in the dyeing machine passes through the respective guide wheels through respective nozzles into respective storage slots. When the gray cloth is finished, the head and tail of the fabric are connected into a rope shape, and the fan is connected. The generated aerodynamic force is continuously driven, and at the same time, the inlet valve, the connection valve II, the connection valve IV, the connection valve V, the discharge valve I, the discharge valve II, the connection valve I, the connection valve III, the additional pump, the main pump are activated. The water passes through the heat exchanger, the nozzle and the driven fabric are continuously contacted, and the water flows down the cylinder body to the bottom of the cylinder body, passes through the filter net, connects the wide V, and finally flows back to the main pump for water circulation. Close the inlet valve when setting the water level;

When the temperature rise is required in the process step, the steam heating valve is opened, the steam is indirectly contacted with the water in the cylinder through the heat exchanger, the water temperature in the cylinder is increased, the steam is turned into water vapor and discharged from the steam trap; when the temperature needs to be cooled, the steam is turned off. The steam heating valve opens the cooling water inlet valve, and the cold water contacts the water in the cylinder indirectly through the heat exchanger, the water temperature in the cylinder decreases, and the cooling water becomes hot water discharged from the cooling water discharge valve, and the main pump is the whole process. The water circulation in the body provides power;

When the process step needs to be added, the auxiliary agent or the dye is diluted in the feeding tank in advance, and the feeding pump is turned on when the feeding is added. If the feeding is added, the metering and feeding valve is opened, and the feeding return valve is opened to return the metered material to the feeding barrel. If directly feeding, close the metering valve and the feeding return valve, open the direct feeding wide, and when the feeding is nearing completion, open the return valve to feed the remaining material of the feeding barrel from the feeding pump to the cylinder through the direct feeding valve, and close the return valve. After the remaining material is drained, then the feed tank is washed with water, and the feed return valve is opened. The pump circulates the feeding barrel and other components. After completion, the feeding pump is closed, the feeding return valve is closed, the filling barrel sewage valve is opened, the cleaning is finished, and the feeding barrel sewage valve is closed;

When the water washing is required in the process step, the main pump is first turned off, the discharge width I is opened, the water at the bottom of the cylinder is directly discharged from the discharge valve I, and it takes 1 minute; then the discharge valve I, the connection valve II, the connection valve IV are closed. And connect the valve V, open the connection valve I, the discharge valve II and the connection valve III, open the inlet valve, start the main pump and the additional pump, the main pump injects water into the cylinder on the right side of the insulation plate, and the polyester cotton cloth in the cylinder body After washing, the water flows to the bottom of the cylinder. After the filter and the valve I are connected, the additional pump acts, and the water is sent to the left cylinder of the isolation plate through the connecting valve, and the polyester cotton cloth in the left cylinder of the isolation plate is washed. After that, the water is discharged through the discharge and the washing is completed.

The method for water use of an airflow atomization dyeing machine system according to claim 4, wherein in the step 4), in the dyeing process, the first metering feed is dye and Yuanming powder, the second time The metered feed is soda ash.