CN105948333A - Removing method and device for inorganic ions in nylon 6 slice extracting water - Google Patents
Removing method and device for inorganic ions in nylon 6 slice extracting water Download PDFInfo
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- CN105948333A CN105948333A CN201610533279.9A CN201610533279A CN105948333A CN 105948333 A CN105948333 A CN 105948333A CN 201610533279 A CN201610533279 A CN 201610533279A CN 105948333 A CN105948333 A CN 105948333A
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- resin
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- regeneration tank
- resin regeneration
- former water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/38—Polymers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention relates to a removing method for inorganic ions in nylon 6 slice extracting water. The removing method comprises the following steps: step 1, filtering by a filter; step 2, reacting in a first resin regeneration tank; step 3, reacting in a second resin regeneration tank; step 4, reacting in a third resin regeneration tank; step 5, reacting in a fourth resin regeneration tank; step 6, treating by a resin catcher; step 7, carrying out material recycling treatment by a recycling tank. The removing method has the advantages that raw water is filtered through the filter, reacts in the first resin regeneration tank, reacts in the second resin regeneration tank, reacts in the third resin regeneration tank, reacts in the fourth resin regeneration tank, is treated by the resin catcher and is subjected to the material recycling treatment by the recycling tank, so that inorganic salts, suspension matters, colloids and other impurities in the raw water are effectively removed and pollution to the environment is reduced; the raw water can be subjected to desalting treatment for two times so that the desalting efficiency is improved and different requirements on water quality can be met according to different requirements; furthermore, the invention further provides a removing device for the inorganic ions in the nylon 6 slice extracting water.
Description
Technical field
The present invention relates to minimizing technology and the removal device thereof of inorganic ions in nylon-6 chip extraction water.
Background technology
Nylon 6 slice is a reversible reaction in the course of the polymerization process, reaction cannot be carried out on earth, therefore total containing 8～10% low-molecular material in prepared polymer, owing to its existence will affect post-treatment difficulty, (i.e. extracting) must be removed, past, these extraction water containing low-molecular material were directly entered extraction water recovery system, carry out reuse after concentration, inorganic ions in extraction water constantly circulates in recovered liquid all the time or remains in the nylon 6 slice of remanufacture, affects the quality of final products.
Summary of the invention
The technical problem to be solved in the present invention is to provide minimizing technology and the removal device thereof of inorganic ions in nylon-6 chip extraction water, solves inorganic ions in existing nylon-6 chip extraction water and there is the ropy problem of nylon 6 slice affecting recovered liquid production.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions: the minimizing technology of inorganic ions in nylon-6 chip extraction water, comprises the following steps:
Step one: through filter, former water is carried out filtration treatment, removes the float in former water, colloid and other impurity；
Step 2: the former water after step one being filtered enters in the first resin regeneration tank, is divided into Hydrogen and type of receiving by the positive resin in the first resin regeneration tank by the inorganic salt in former water；
Step 3: the former water after step 2 being processed enters in the second resin regeneration tank, exchanges the anion in former water by the negative resin in the second resin regeneration by the hydroxyl in former water；
Step 4: the former water after step 3 being processed enters in the 3rd resin regenerating tank, is divided into Hydrogen and type of receiving by the positive resin in the 3rd resin regenerating tank by the inorganic salt of residual in former water；
Step 5: the former water after step 4 being processed enters in the 4th resin regeneration tank, exchanges the anion in former water by the hydroxyl in the negative resin in the 4th resin regeneration tank；
Step 6: the former water after step 5 being processed retains process by resin catcher to the shredded resin in former water；
Step 7: the former water after step 6 being processed carries out rewinding process by recycling can.
nullThe removal device of inorganic ions in nylon-6 chip extraction water,Including pedestal、Filter、First resin regeneration tank、Second resin regeneration tank、3rd resin regenerating tank、4th resin regeneration tank and resin catcher，Filter、First resin regeneration tank、Second resin regeneration tank、3rd resin regenerating tank、4th resin regeneration tank and resin catcher are arranged on pedestal，It is provided with positive resin in first resin regeneration tank and the 3rd resin regenerating tank，It is provided with negative resin in second resin regeneration tank and the 4th resin regeneration tank，The feed pipe having for the charging of former water is connected on filter，The support of the feed pipe that pedestal is provided with，Filter and the first resin regeneration tank、First resin regeneration tank and the second resin regeneration tank、Second resin regeneration tank and the 3rd resin regenerating tank、3rd resin regenerating tank is all connected by conveying pipeline with between the 4th resin regeneration tank and the 4th resin regeneration tank and resin catcher，Connect on resin catcher and have outlet pipe，Connect on first resin regeneration tank and the 3rd resin regenerating tank and have the first resin regenerating device，Connect on second resin regeneration tank and the 4th resin regeneration tank and have the second resin regenerating device，Filter includes staving and filter element，Filter element is arranged in staving，Filter material it is provided with in filter element，Staving is provided with the water supply connector of fixed water inlet pipe，Staving is provided with water out adapter，And connection has Pressure gauge on staving.
Preferably, it is respectively connected with liquor box on first regenerating unit and the second regenerating unit, liquor box is provided with corrosion protection pump, and corrosion protection pump is provided with effusion meter, it is connected in the liquor box on the first regenerating unit be provided with acid solution, is connected in the liquor box on the second regenerating unit be provided with alkaline solution, the resin bed to losing efficacy can be realized and be rinsed, realize regeneration and the displacement of resin bed, reach optimal operational efficiency.
Preferably, filter element is provided with the filtering holes of a diameter of 5 μm, can improve filtering accuracy.
In sum, advantages of the present invention: filtered by filter by former water successively, the first resin regeneration tank reacts, the second resin regeneration tank reacts, the 3rd resin regenerating tank is reacted, the 4th resin regeneration tank reacts, resin catcher processes and recycling can rewinding processes, effectively eliminate the inorganic salt in former water, float, colloid and other impurity, decrease the pollution of environment, former water can be carried out twice desalting processing, improve desalting efficiency, the requirement of different quality can be reached according to different demands.
The advantage of this removal device: the 1. setting of filter, can effectively remove the solid particle in former water, float, antibacterial and other impurity, and by the positive resin in the first resin regeneration tank, the inorganic salt in water is divided into by former water Hydrogen and type of receiving, then by the negative resin of the second resin regeneration tank, the hydroxyl in former water is exchanged the anion in former water, and by the 3rd resin regenerating tank and the 4th resin regeneration tank, former water is processed, can realize the inorganic salt in former water is removed completely；
2. the setting of resin catcher, can effectively retain in the 4th resin regeneration tank the shredded resin of residual in water outlet；
3. the first resin regenerating device and the setting of the second resin regenerating device, after resin bed lost efficacy, can realize the regeneration of resin bed, displacement and just wash, it is ensured that the continuous operation of equipment；
4. in filter is arranged to staving and filter element, and filter element, it is provided with filter material, during work, former water is left on tube wall by filtering residue after filter material, filter material flows out through filter material and reaches to filter, and effectively raises filter efficiency, can remove the solid particle in water, float, antibacterial and other impurity, and check pressure during work by Pressure gauge, effectively avoid and work under high pressure or low pressure, improve service life, filter material high purity, polluting filter medium thing, filter element is unlikely to deform and easily changes.
5. the setting of support, it is simple to feed pipe is installed fixing, prevents the damage of feed pipe.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the removal device of inorganic ions in nylon-6 chip extraction water of the present invention；
Fig. 2 is the structural representation of filter of the present invention.
Detailed description of the invention
The minimizing technology of inorganic ions in nylon-6 chip extraction water, comprises the following steps:
Step one: through filter, former water is carried out filtration treatment, removes the float in former water, colloid and other impurity；
Step 2: the former water after step one being filtered enters in the first resin regeneration tank, is divided into Hydrogen and type of receiving by the positive resin in the first resin regeneration tank by the inorganic salt in former water；
Step 3: the former water after step 2 being processed enters in the second resin regeneration tank, exchanges the anion in former water by the negative resin in the second resin regeneration by the hydroxyl in former water；
Step 4: the former water after step 3 being processed enters in the 3rd resin regenerating tank, is divided into Hydrogen and type of receiving by the positive resin in the 3rd resin regenerating tank by the inorganic salt of residual in former water；
Step 5: the former water after step 4 being processed enters in the 4th resin regeneration tank, exchanges the anion in former water by the hydroxyl in the negative resin in the 4th resin regeneration；
Step 6: the former water after step 5 being processed retains process by resin catcher to the shredded resin in former water；
Step 7: the former water after step 6 being processed carries out rewinding process by recycling can.
nullSuch as Fig. 1、Shown in Fig. 2，The removal device of inorganic ions in nylon-6 chip extraction water,Including pedestal 1、Filter 2、First resin regeneration tank 3、Second resin regeneration tank 4、3rd resin regenerating tank 5、4th resin regeneration tank 6 and resin catcher 7，Filter 2、First resin regeneration tank 3、Second resin regeneration tank 4、3rd resin regenerating tank 5、4th resin regeneration tank 6 and resin catcher 7 are arranged on pedestal 1，The feed pipe 21 having for the charging of former water is connected on filter 2，The support 11 of the feed pipe 21 that pedestal 1 is provided with，Filter 2 and the first resin regeneration tank 3、First resin regeneration tank 3 and the second resin regeneration tank 4、Second resin regeneration tank 4 and the 3rd resin regenerating tank 5、All it is connected by conveying pipeline 10 between 3rd resin regenerating tank 5 with the 4th resin regeneration tank 6 and the 4th resin regeneration tank 6 and resin catcher 7，Connect on resin catcher 7 and have outlet pipe 71，Connect on first resin regeneration tank 3 and the 3rd resin regenerating tank 5 and have the first resin regenerating device 8，Connect on second resin regeneration tank 4 and the 4th resin regeneration tank 6 and have the second resin regenerating device 9.
nullIt is respectively connected with liquor box 13 on first regenerating unit 8 and the second regenerating unit 9，Liquor box 13 is provided with corrosion protection pump 14，And corrosion protection pump 14 is provided with effusion meter 15，It is connected in the liquor box 13 on the first regenerating unit 8 be provided with acid solution，It is connected in the liquor box 13 on the second regenerating unit 9 be provided with alkaline solution，Can be rinsed by the resin bed that realize losing efficacy，Realize regeneration and the displacement of resin bed，Reach optimal operational efficiency，Can be rinsed by the resin bed that realize losing efficacy，Realize regeneration and the displacement of resin bed，Reach optimal operational efficiency，Filter 2 includes staving 22 and filter element 23，Filter element 23 is arranged in staving 22，Filter material 24 it is provided with in filter element 23，Staving 22 is provided with the water supply connector 25 of fixed water inlet pipe 21，Staving 22 is provided with water out adapter 26，And connection has Pressure gauge 27 on staving 22，Former water is left on tube wall by filtering residue after filter material，Filter material flows out through filter material and reaches to filter，Effectively raise filter efficiency，The solid particle in water can be removed、Float、Antibacterial and other impurity，And check pressure during work by Pressure gauge，Effectively avoid and work under high pressure or low pressure，Improve service life，Filter material high purity，Filter medium thing is polluted，Filter element is unlikely to deform and easily changes，Filter element 23 is provided with the filtering holes of a diameter of 5 μm，Filtering accuracy can be improved.
nullDuring use，By water inlet pipe 21 by raw water to filter 2，By under the effect of pressure，Former water passes through filter material 24，Filtering residue is stayed on tube wall，Filtrate is flowed out through filter material，Thus effectively eliminate the solid particle in former water、Float、Antibacterial and other impurity，Former water after filtration sequentially enters the first resin regeneration tank 3、Second resin regeneration tank 4、3rd resin regenerating tank 5、React in 4th resin regeneration tank 6，Realize inorganic salt in water is divided into Hydrogen and type of receiving by positive resin，Then by negative resin, the hydroxyl in former water is exchanged the anion in former water，Retain the shredded resin of residual in water outlet in the 4th resin regeneration tank finally by resin catcher 7 and pass through outlet pipe 71 discharging，Operate successively，Just can effectively former water be processed，Can be configured according to different demands，When positive resin and negative resin lost efficacy，Respectively positive resin and negative resin are regenerated by the first regenerating unit 8 and the second regenerating unit 9、Replace and just washing process，Thus recover the seriality that exchange capacity ensures to run.
In addition to above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can be variously modified according to the present invention and deform, and without departing from the spirit of the present invention, all should belong to scope defined in claims of the present invention.
Claims (4)
1. the minimizing technology of inorganic ions in nylon-6 chip extraction water, it is characterised in that: comprise the following steps:
Step one: former water is carried out filtration treatment through filter, remove the float in former water, colloid and
His impurity；
Step 2: the former water after step one being filtered enters in the first resin regeneration tank, by the first resin regeneration
Inorganic salt in former water is divided into Hydrogen and type of receiving by the positive resin in tank；
Step 3: the former water after step 2 being processed enters in the second resin regeneration tank, by the second resin regeneration
In negative resin the hydroxyl in former water is exchanged the anion in former water；
Step 4: the former water after step 3 being processed enters in the 3rd resin regenerating tank, by the 3rd resin regeneration
The inorganic salt of residual in former water is divided into Hydrogen and type of receiving by the positive resin in tank；
Step 5: the former water after step 4 being processed enters in the 4th resin regeneration tank, by the 4th resin regeneration
In negative resin in hydroxyl exchange fall the anion in former water；
Step 6: the shredded resin in former water is carried out cutting by the former water after step 5 being processed by resin catcher
Stay process；
Step 7: the former water after step 6 being processed carries out rewinding process by recycling can.
2. the removal that in nylon-6 chip extraction water as claimed in claim 1, the minimizing technology of inorganic ions is used
Device, it is characterised in that: include pedestal (1), filter (2), the first resin regeneration tank (3),
Two resin regeneration tanks (4), the 3rd resin regenerating tank (5), the 4th resin regeneration tank (6) and resin are caught
Catch device (7), filter (2), the first resin regeneration tank (3), the second resin regeneration tank (4), the 3rd
Resin regeneration tank (5), the 4th resin regeneration tank (6) and resin catcher (7) are arranged at pedestal (1)
On, it is provided with positive resin in the first resin regeneration tank (3) and the 3rd resin regenerating tank (5), the second resin
Being provided with negative resin in regenerating tank (4) and the 4th resin regeneration tank (6), the upper connection of filter (2) has
The feed pipe (21) fed for former water, the support (11) of the feed pipe (21) that pedestal (1) is provided with,
Filter (2) and the first resin regeneration tank (3), the first resin regeneration tank (3) and the second resin regeneration
Tank (4), the second resin regeneration tank (4) and the 3rd resin regenerating tank (5), the 3rd resin regenerating tank (5)
And between the 4th resin regeneration tank (6) and the 4th resin regeneration tank (6) and resin catcher (7) all
Being connected by conveying pipeline (10), the upper connection of resin catcher (7) has outlet pipe (71), the first resin
The upper connection of regenerating tank (3) and the 3rd resin regenerating tank (5) has the first resin regenerating device (8), and second
Resin regeneration tank (4) and the upper connection of the 4th resin regeneration tank (6) have the second resin regenerating device (9),
Filter (2) includes staving (22) and filter element (23), and filter element (23) is arranged in staving (22),
Being provided with filter material (24) in filter element (23), staving (22) is provided with the water inlet of fixed water inlet pipe (21)
Joint (25), staving (22) is provided with water out adapter (26), and the upper connection of staving (22) has pressure
Table (27).
3. the removal device of inorganic ions in nylon-6 chip extraction water as claimed in claim 2, it is characterised in that:
It is respectively connected with liquor box (13), liquor box on first regenerating unit (8) and the second regenerating unit (9)
(13) it is provided with corrosion protection pump (14), and corrosion protection pump (14) is provided with effusion meter (15), be connected to
It is provided with acid solution in liquor box on one regenerating unit, is connected in the liquor box on the second regenerating unit
It is provided with alkaline solution.
4. the removal device of inorganic ions in nylon-6 chip extraction water as claimed in claim 2, it is characterised in that:
Filter element (23) is provided with the filtering holes of a diameter of 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533279.9A CN105948333A (en) | 2016-06-30 | 2016-06-30 | Removing method and device for inorganic ions in nylon 6 slice extracting water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533279.9A CN105948333A (en) | 2016-06-30 | 2016-06-30 | Removing method and device for inorganic ions in nylon 6 slice extracting water |
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| CN105948333A true CN105948333A (en) | 2016-09-21 |
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| CN201610533279.9A Pending CN105948333A (en) | 2016-06-30 | 2016-06-30 | Removing method and device for inorganic ions in nylon 6 slice extracting water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019228651A1 (en) * | 2018-06-01 | 2019-12-05 | Uhde Inventa-Fischer Gmbh | Method for recycling extract water in the production of polyamide 6 |
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| CN202116475U (en) * | 2011-07-05 | 2012-01-18 | 浙江华建尼龙有限公司 | Recovery processing device for nylon-6 chip extraction water |
| CN103693773A (en) * | 2013-10-10 | 2014-04-02 | 广州太平洋马口铁有限公司 | Chromium-containing waste water reuse treatment method |
| CN203741142U (en) * | 2013-12-12 | 2014-07-30 | 长乐恒申合纤科技有限公司 | Chinlon recovery extracting water filtration system |
-
2016
- 2016-06-30 CN CN201610533279.9A patent/CN105948333A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100044902A1 (en) * | 2006-10-10 | 2010-02-25 | Tomomi Ohara | Composite semipermeable membrane and process for producing the same |
| CN202116475U (en) * | 2011-07-05 | 2012-01-18 | 浙江华建尼龙有限公司 | Recovery processing device for nylon-6 chip extraction water |
| CN103693773A (en) * | 2013-10-10 | 2014-04-02 | 广州太平洋马口铁有限公司 | Chromium-containing waste water reuse treatment method |
| CN203741142U (en) * | 2013-12-12 | 2014-07-30 | 长乐恒申合纤科技有限公司 | Chinlon recovery extracting water filtration system |
Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019228651A1 (en) * | 2018-06-01 | 2019-12-05 | Uhde Inventa-Fischer Gmbh | Method for recycling extract water in the production of polyamide 6 |
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Application publication date: 20160921 |
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