CN216972217U - Lyocell fiber resin showering water gradient using device - Google Patents
Lyocell fiber resin showering water gradient using device Download PDFInfo
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- CN216972217U CN216972217U CN202220597873.5U CN202220597873U CN216972217U CN 216972217 U CN216972217 U CN 216972217U CN 202220597873 U CN202220597873 U CN 202220597873U CN 216972217 U CN216972217 U CN 216972217U
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Abstract
A lyocell fiber resin leaching water gradient using device comprises an ion exchanger group, the ion exchanger group comprises a plurality of ion exchangers, and the lyocell fiber resin leaching water gradient using device also comprises an ion column leaching water cleaning tank, an ion column gradient leaching water tank and a low-concentration solvent collecting tank; the ion column washing water tank is provided with a first water inlet pipe and a first water outlet pipe, the first water outlet pipe is provided with a washing water purifying pump, and the water outlet of the washing water purifying pump is communicated with the washing water inlet of the ion exchanger through a pipeline; the ion column gradient leaching water tank is provided with a second water inlet pipe and a second water outlet pipe, the second water inlet pipe is communicated with a washing water outlet of the ion exchanger, the second water inlet pipe is provided with a second switch valve, the second water outlet pipe is provided with a gradient leaching water pump, and a water outlet of the gradient leaching water pump is communicated with a washing water inlet of the ion exchanger through a pipeline. The utility model reduces the usage amount of the rinsing purified water, reduces the generation of the low-concentration solvent water, reasonably utilizes the low-concentration solvent water and effectively reduces the production cost.
Description
Technical Field
The utility model relates to the technical field of cellulose fiber manufacturing by a solvent method, in particular to a gradient using device for lyocell fiber resin leaching water.
Background
Lyocell fiber, i.e., lyocell fiber, (i.e., lyocell fiber), which is a regenerated cellulose fiber spun by a wet process using NMMO (N-methylmorpholine-N-oxide) as a solvent. The lyocell fiber has the advantages of high strength, high modulus, good affinity to skin, capability of being blended with most fibers and the like, and the manufacturing process of the lyocell fiber has the advantages of no toxicity and no pollution. In the manufacturing process, impurities such as iron ions and copper ions are continuously accumulated in a solvent, an ion exchanger is required to be used for cleaning the impurities such as the iron ions and the copper ions, hydrochloric acid or caustic soda with certain concentration is required to be used for regeneration treatment after the ion exchange resin runs for a certain period so as to recover the ion exchange performance of the ion exchange resin, before the ion exchange resin is regenerated, leaching and washing are required to be carried out on the ion exchange resin by using leaching water so as to wash away the solvent and the like on the surface of the ion exchange resin, a large amount of low-concentration solvent water is generated, if the solvent and the like are directly discharged, waste is caused, the low-concentration solvent water is treated and can be used for the production of lyocell fibers, but the large amount of low-concentration water directly enters a production system to be used, and the production load and the cost are increased. Therefore, measures are needed to be further taken to optimize the process, a gradient utilization device of the lyocell fiber resin leaching water is designed, the usage amount of the leaching purified water is reduced, the generation of low-concentration solvent water is reduced, the low-concentration solvent water is reasonably utilized, and the production cost is effectively reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the gradient using device for the lyocell fiber resin leaching water is provided, the using amount of leaching purified water is reduced, the generation of low-concentration solvent water is reduced, the low-concentration solvent water is reasonably utilized, and the production cost is effectively reduced.
The technical scheme adopted by the utility model is as follows:
a gradient using device for lyocell fiber resin leaching water comprises an ion exchanger group, wherein the ion exchanger group comprises a plurality of ion exchangers, the ion exchangers are provided with a washing water inlet and a washing water outlet, and the gradient using device further comprises an ion column leaching cleaning water tank, an ion column gradient leaching water tank and a low-concentration solvent collecting tank.
The ion column spraying water cleaning tank is provided with a first water inlet pipe and a first water outlet pipe, the first water outlet pipe is provided with a spraying water cleaning pump, and the water outlet of the spraying water cleaning pump is communicated with the flushing water inlet of the ion exchanger through a pipeline.
The ion column gradient leaching water tank is provided with a second water inlet pipe and a second water outlet pipe, the second water inlet pipe is communicated with a washing water outlet of the ion exchanger, the second water inlet pipe is provided with a second switch valve, the second water outlet pipe is provided with a gradient leaching water pump, and a water outlet of the gradient leaching water pump is communicated with a washing water inlet of the ion exchanger through a pipeline.
And a third water inlet pipe and a third water outlet pipe are installed on the low-concentration solvent collecting tank, the third water inlet pipe is communicated with a flushing water outlet of the ion exchanger, and a third switch valve is installed on the third water inlet pipe.
The second water inlet pipe is provided with a buffer water tank and a gradient water collecting pump, and the gradient water collecting pump is arranged between the ion column gradient leaching water tank and the buffer water tank; one end of the second switch valve is communicated with the buffer water tank, and the other end of the second switch valve is communicated with the third water inlet pipe.
And a liquid level meter is arranged on the buffer water tank.
A clean solvent discharging pool is arranged between the ion exchanger group and the low-concentration solvent collecting tank, a water inlet and a water outlet are arranged on the clean solvent discharging pool, a third water inlet pipe of the low-concentration solvent collecting tank is communicated with the water outlet of the clean solvent discharging pool, a lifting pump is arranged on the third water inlet pipe, and the water inlet of the clean solvent discharging pool is communicated with a flushing water outlet of the ion exchanger through a pipeline.
The lyocell fiber resin rinsing water gradient using device comprises a plurality of ion exchanger groups.
And a low-concentration solvent feeding pump is arranged on the third water outlet pipe, and filters are arranged at the water inlet and the water outlet of the low-concentration solvent feeding pump.
The utility model reduces the usage amount of the eluting clean water, reduces the generation of the low-concentration solvent water, reasonably utilizes the low-concentration solvent water, effectively reduces the production cost, and when in use, before the ion exchanger group is regenerated for the first time, the ion exchanger group is adjusted to be in an eluting state, the eluting clean water pump and the third switch valve on the third water inlet pipe are opened, the eluting clean water is pumped out from the ion column eluting clean water tank by the eluting clean water pump, the eluting clean water enters the ion exchanger from the eluting water inlet of the ion exchanger and is eluted, the low-concentration solvent water with higher concentration generated by the eluting enters the low-concentration solvent collecting tank from the third water inlet pipe, after being eluted for forty minutes, the third switch valve on the third water inlet pipe is closed, the second switch valve on the second water inlet pipe is opened, the low-concentration solvent water generated by the eluting enters the ion column gradient eluting water tank from the second water inlet pipe, forming gradient shower water, and then flushing for forty minutes to finish the flushing work.
Before the ion exchanger group is regenerated for the second time, the ion exchanger group is adjusted to be washed, a gradient washing water pump and a third switch valve on a third water inlet pipe are opened, the gradient washing water pump pumps out the gradient washing water from an ion column gradient washing water tank, the gradient washing water enters the ion exchanger from a washing water inlet of the ion exchanger and is washed, low-concentration solvent water with relatively high concentration is generated by washing and enters a low-concentration solvent collecting tank from the third water inlet pipe, after forty minutes of washing, the gradient washing water pump and the third switch valve on the third water inlet pipe are closed, a washing water purifying pump is opened, a second switch valve on a second water inlet pipe is opened, the washing water purifying pump pumps out the washing water from the ion column washing water tank, the washing water enters the ion exchanger from the washing water inlet of the ion exchanger and is washed, the low-concentration solvent water generated by washing enters the ion column gradient washing water tank from a second water inlet pipe, and fourthly, flushing is performed again, the flushing work is completed, and in the regeneration work after the ion exchanger group, the operation is performed according to the method for the second regeneration of the ion exchanger group, so that the low-concentration solvent water with relatively low concentration is fully utilized, and the use amount of the rinsing purified water is reduced.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
As shown in figure 1, a lyocell fiber resin rinsing water gradient using device comprises an ion exchanger group, the ion exchanger group comprises a plurality of ion exchangers 5, the ion exchangers 5 are provided with a rinsing water inlet and a rinsing water outlet, the device also comprises an ion column rinsing water tank 1, an ion column gradient rinsing water tank 19 and a low-concentration solvent collecting tank 14, the ion column rinsing water tank 1 is used for containing rinsing purified water, the rinsing purified water is preferably evaporation condensate water, the ion column gradient rinsing water tank 19 is used for containing gradient rinsing water, namely low-concentration solvent water with relatively low concentration, and is used for rinsing the ion exchangers 5 in the early stage, the low-concentration solvent collecting tank 14 is used for containing low-concentration solvent water with relatively high concentration, is used for reprocessing and production again, and generates low-concentration solvent water with relatively high concentration in the early stage of rinsing the ion exchangers 5, the low-concentration solvent water having a relatively low concentration is generated in the latter stage of the washing in the ion exchanger 5, and is referred to as low-concentration solvent water because the concentration of the low-concentration solvent water is lower than that of the solvent used normally.
The ion column spraying cleaning water tank 1 is provided with a first water inlet pipe 2 and a first water outlet pipe 3, the first water outlet pipe 3 is provided with a spraying water purifying pump 4, and the water outlet of the spraying water purifying pump 4 is communicated with the washing water inlet of the ion exchanger 5 through a pipeline.
A second water inlet pipe 18 and a second water outlet pipe 20 are installed on the ion column gradient leaching water tank 19, the second water inlet pipe 18 is communicated with a washing water outlet of the ion exchanger 5, a second switch valve 7 is installed on the second water inlet pipe 18, a gradient leaching water pump 21 is installed on the second water outlet pipe 20, and a water outlet of the gradient leaching water pump 21 is communicated with a washing water inlet of the ion exchanger 5 through a pipeline.
A third water inlet pipe 13 and a third water outlet pipe 15 are arranged on the low-concentration solvent collecting tank 14, the third water inlet pipe 13 is communicated with a flushing water outlet of the ion exchanger 5, and a third switch valve 6 is arranged on the third water inlet pipe 13.
The second water inlet pipe 18 is provided with a buffer water tank 8 and a gradient water collecting pump 10, the gradient water collecting pump 10 is arranged between the ion column gradient leaching water tank 19 and the buffer water tank 8, the buffer water tank 8 plays a role in buffering, and the gradient water collecting pump 10 is used for enabling a gradient leaching water pump 21 in the buffer water tank 8 to enter the ion column gradient leaching water tank 19; one end of the second on-off valve 7 is communicated with the buffer water tank 8, and the other end of the second on-off valve 7 is communicated with the third water inlet pipe 13, and when the second on-off valve 7 is opened, the low-concentration solvent water flows into the buffer water tank 8.
The buffer water tank 8 is provided with a liquid level meter 9, the liquid level meter 9 preferably adopts a magnetic turning plate liquid level meter 9 for detecting the liquid level height in the buffer water tank 8, when the liquid level reaches the height set by the liquid level meter 9, the gradient water collecting pump 10 is started, the gradient water collecting pump 10 works, and the gradient leaching water pump 21 in the buffer water tank 8 is pumped into the ion column gradient leaching water tank 19.
Be equipped with between ion exchanger group and the low concentration solvent collection tank 14 and put clean solvent pond 12, put clean solvent pond 12 and play the transition effect, be equipped with water inlet and delivery port on the clean solvent pond 12, the third inlet tube 13 of low concentration solvent collection tank 14 and the delivery port intercommunication of putting clean solvent pond 12, install elevator pump 11 on the third inlet tube 13, elevator pump 11 is arranged in pumping the low concentration solvent of putting clean solvent pond 12 into low concentration solvent collection tank 14, the water inlet of clean solvent pond 12 and the delivery port that washes of ion exchanger 5 pass through the pipeline intercommunication.
The gradient utilization device of the lyocell fiber resin leaching water comprises a plurality of ion exchanger groups, which is convenient for removing iron and copper ions in the solvent.
A low-concentration solvent feed pump 17 is installed on the third water outlet pipe 15, the low-concentration solvent feed pump 17 is used for pumping the low-concentration solvent in the low-concentration solvent collection tank 14 to other production places, a filter 16 is installed at both a water inlet and a water outlet of the low-concentration solvent feed pump 17, the filter 16 is preferably a Y-shaped filter 16, and the filter 16 plays a role in filtering.
The utility model reduces the usage amount of the eluting clean water, reduces the generation of the low-concentration solvent water, reasonably utilizes the low-concentration solvent water, effectively reduces the production cost, adjusts the ion exchanger group to be in an eluting state before the ion exchanger group is regenerated for the first time when in use, opens the eluting clean water pump 4 and the third switch valve 6 on the third water inlet pipe 13, the eluting clean water pump 4 pumps the eluting clean water out of the ion column eluting clean water tank 1, the eluting clean water enters the ion exchanger 5 from the flushing water inlet of the ion exchanger 5 and is flushed, the low-concentration solvent water generated by flushing enters the low-concentration solvent collecting tank 14 from the third water inlet pipe 13, closes the third switch valve 6 on the third water inlet pipe 13 after forty minutes of flushing, opens the second switch valve 7 on the second water inlet pipe 18, the low-concentration solvent water generated by flushing enters the buffer tank 8 to form gradient eluting water, when the height set by the liquid level meter 9 is reached, the gradient water collecting pump 10 is started, the gradient water collecting pump 10 works, the gradient eluting water in the buffer water tank 8 is pumped out, the gradient eluting water enters the ion column gradient eluting water tank 19 along the second water inlet pipe 18, and then the four tenths of gradient eluting water is flushed, so that the flushing work is completed.
Before the ion exchanger group is regenerated for the second time, the ion exchanger group is adjusted to a state to be eluted, a gradient eluting water pump 21 and a third switch valve 6 on a third water inlet pipe 13 are opened, the gradient eluting water pump 21 pumps out the gradient eluting water from an ion column gradient eluting water tank 19, the gradient eluting water enters an ion exchanger 5 from a rinsing water inlet of the ion exchanger 5 and is rinsed, low-concentration solvent water with relatively high concentration is generated by rinsing and enters a low-concentration solvent collecting tank 14 from the third water inlet pipe 13, after forty minutes of rinsing, the gradient eluting water pump 21 and the third switch valve 6 on the third water inlet pipe 13 are closed, an eluting water purifying pump 4 is opened, a second switch valve 7 on a second water inlet pipe 18 is opened, eluting water is pumped out from the ion column eluting water tank 1 by the eluting water purifying pump 4, the eluting water enters the ion exchanger 5 from the rinsing water inlet of the ion exchanger 5, and (3) flushing the ion exchanger group, wherein low-concentration solvent water with lower concentration generated by flushing enters the buffer tank 8 to form gradient flushing water, when the low-concentration solvent water reaches the height set by the liquid level meter 9, the gradient water collecting pump 10 is started, the gradient flushing water in the buffer tank 8 is pumped out, the gradient flushing water enters the ion column gradient flushing water tank 19 along the second water inlet pipe 18, flushing is performed for four minutes, flushing is completed, and during flushing before regeneration after the ion exchanger group, operation is performed according to a secondary regeneration method of the ion exchanger group, so that the low-concentration solvent water with lower concentration is fully utilized, and the use amount of flushed clean water is reduced.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a lyocell fibre resin drenches washing water gradient operative installations, includes ion exchanger group, and ion exchanger group includes a plurality of ion exchanger, is equipped with on the ion exchanger and washes the water inlet and wash the delivery port, its characterized in that: the device also comprises an ion column leaching and cleaning water tank, an ion column gradient leaching water tank and a low-concentration solvent collecting tank;
the ion column washing water tank is provided with a first water inlet pipe and a first water outlet pipe, the first water outlet pipe is provided with a washing water purifying pump, and the water outlet of the washing water purifying pump is communicated with the washing water inlet of the ion exchanger through a pipeline; a second water inlet pipe and a second water outlet pipe are installed on the ion column gradient leaching water tank, the second water inlet pipe is communicated with a rinsing water outlet of the ion exchanger, a second switch valve is installed on the second water inlet pipe, a gradient leaching water pump is installed on the second water outlet pipe, and a water outlet of the gradient leaching water pump is communicated with a rinsing water inlet of the ion exchanger through a pipeline;
and a third water inlet pipe and a third water outlet pipe are installed on the low-concentration solvent collecting tank, the third water inlet pipe is communicated with a flushing water outlet of the ion exchanger, and a third switch valve is installed on the third water inlet pipe.
2. The lyocell fiber resin showering water gradient using apparatus according to claim 1, wherein: the second water inlet pipe is provided with a buffer water tank and a gradient water collecting pump, and the gradient water collecting pump is arranged between the ion column gradient leaching water tank and the buffer water tank; one end of the second switch valve is communicated with the buffer water tank, and the other end of the second switch valve is communicated with the third water inlet pipe.
3. The lyocell fiber resin showering water gradient using apparatus according to claim 2, wherein: and a liquid level meter is arranged on the buffer water tank.
4. The lyocell fiber resin showering water gradient using apparatus according to claim 1, wherein: a clean solvent discharging pool is arranged between the ion exchanger group and the low-concentration solvent collecting tank, a water inlet and a water outlet are arranged on the clean solvent discharging pool, a third water inlet pipe of the low-concentration solvent collecting tank is communicated with the water outlet of the clean solvent discharging pool, a lifting pump is installed on the third water inlet pipe, and the water inlet of the clean solvent discharging pool is communicated with a flushing water outlet of the ion exchanger through a pipeline.
5. The lyocell fiber resin showering water gradient using apparatus according to claim 1, wherein: the lyocell fiber resin rinsing water gradient using device comprises a plurality of ion exchanger groups.
6. The lyocell fiber resin showering water gradient using apparatus according to claim 1, wherein: and a low-concentration solvent feeding pump is arranged on the third water outlet pipe, and filters are arranged at the water inlet and the water outlet of the low-concentration solvent feeding pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220597873.5U CN216972217U (en) | 2022-03-18 | 2022-03-18 | Lyocell fiber resin showering water gradient using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220597873.5U CN216972217U (en) | 2022-03-18 | 2022-03-18 | Lyocell fiber resin showering water gradient using device |
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| Publication Number | Publication Date |
|---|---|
| CN216972217U true CN216972217U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220597873.5U Active CN216972217U (en) | 2022-03-18 | 2022-03-18 | Lyocell fiber resin showering water gradient using device |
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| CN (1) | CN216972217U (en) |
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- 2022-03-18 CN CN202220597873.5U patent/CN216972217U/en active Active
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