CN109322011B - Method and system for recycling waste glue water in viscose production - Google Patents
Method and system for recycling waste glue water in viscose production Download PDFInfo
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- CN109322011B CN109322011B CN201811031332.0A CN201811031332A CN109322011B CN 109322011 B CN109322011 B CN 109322011B CN 201811031332 A CN201811031332 A CN 201811031332A CN 109322011 B CN109322011 B CN 109322011B
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- 239000003292 glue Substances 0.000 title claims abstract description 89
- 239000002699 waste material Substances 0.000 title claims abstract description 83
- 229920000297 Rayon Polymers 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000004064 recycling Methods 0.000 title claims description 32
- 238000001914 filtration Methods 0.000 claims abstract description 75
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 50
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 15
- 239000007921 spray Substances 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000013505 freshwater Substances 0.000 abstract description 3
- 238000007380 fibre production Methods 0.000 abstract description 2
- 238000006386 neutralization reaction Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 17
- 239000004744 fabric Substances 0.000 description 10
- 230000007613 environmental effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 239000012445 acidic reagent Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
- D01F13/02—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of cellulose, cellulose derivatives or proteins
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a method and a system for comprehensively utilizing waste glue in viscose production, belonging to the technical field of viscose short fiber production, wherein in a cleaning device, the obtained waste glue is separately treated according to the viscosity, the viscosity of the waste glue is less than 50mPa.s, the waste glue can replace fresh water to carry out primary washing on a spray head and a component after simple filtration and neutralization, the waste glue with the viscosity within the range of 50-70 mPa.s can be directly used for viscose preparation after separation and filtration by a sedimentation type separator and a filtration device, the consumption of water for viscose production and preparation and the consumption of viscose raw materials are reduced, and the production cost is reduced.
Description
Technical Field
The invention belongs to the technical field of viscose production, and particularly relates to a method and a system for recycling waste glue water in viscose production.
Background
Energy consumption is an important index for evaluating the comprehensive competitiveness of an enterprise in the current era, and each enterprise regards energy conservation and consumption reduction as the survival cost of the enterprise, so that the cost is reduced from the beginning, and the maximization of energy conservation benefit is realized by the best technology and management. In the production process of the viscose staple fibers, a large amount of high-concentration waste glue and low-concentration waste glue are discharged, and in the traditional production process of the viscose staple fibers, the amount of filter devices for cleaning a plate frame and the like is large, so that water resources are wasted, and the pressure of post environmental protection treatment is also higher; if direct blowdown, also can have a large amount of viscose to run off when increasing environmental protection processing pressure, extravagant material is unfavorable for the company reduction in production cost.
The patent of the invention with the application number of CN201510864008.7 is disclosed by the national patent office in 2017, 12 and 19, and the method for recovering the waste glue in the viscose production is characterized in that: the method comprises the following steps:
A. pretreating waste rubber: adding alkali liquor into the waste rubber to ensure that the alkali content in the waste rubber is 6-8%, and the viscosity is as follows: the speed during filtration is 45-55 mL/min;
B. filtering and recycling waste rubber: b, filtering the waste glue obtained in the step A by using a first KKF filter, then, entering a second KKF filter for filtering, and obtaining viscose glue after filtering by using the second KKF filter, namely, completing the recovery of the waste glue; the aperture of the metal sintered felt of the first KKF filter is 30-50 microns, and the aperture of the metal sintered felt of the second KKF filter is 15-25 microns; in the step A, the viscosity is measured by filtering with filter paper with the aperture of 80-100 meshes.
The above document discloses a method for recovering waste glue in a filtering device, which realizes effective utilization of waste glue, and under the inspiration of the waste glue treatment method, in order to reduce production cost and reduce the pressure of environment-friendly treatment of waste glue, the method for treating waste glue obtained by washing filter cloth, a viscose spray head and components needs to be further reasonably planned, thereby achieving the purposes of energy saving and consumption reduction.
The state patent office discloses a utility model patent with publication number CN207259202U in 2018, 20/04, a processing system suitable for washing machine cleaning wastewater, including washing machine (1), its characterized in that: the cloth washing machine is characterized by further comprising a wastewater collection tank I (2), a wastewater collection tank II (3) and a butterfly separator (4), wherein the wastewater collection tank I (2) is used for collecting one-step cleaning wastewater of the cloth washing machine (1), and the wastewater collection tank II (3) is used for collecting two-step cleaning wastewater and three-step cleaning wastewater of the cloth washing machine (1); butterfly separator (4) are connected with waste water collection tank I (2), and waste water collection tank I (2) will collect wash cloth machine (1) and wash waste water discharge to butterfly separator (4) one, butterfly separator (4) are used for separating the viscose in waste water one.
According to the treatment system suitable for the washing wastewater of the cloth washing machine, the recovered viscose can be returned to the production system for production, the second wastewater and the third wastewater are collected and returned to the sodium hydrosulfide solution of the production system for recycling, the recycling rate is improved, the production cost is reduced, and the economic benefits of enterprises are improved.
In the traditional production process, the wastewater of the second and third processes is collected and returned to the sodium hydrosulfide solution of the production system for recycling, the waste glue obtained by washing the filter cloth, the glue spray head and the assembly is directly discharged to the outside and enters the environment-friendly treatment system, and the discharged cleaning water contains partial glue, so that the problems of environment-friendly treatment pressure and glue waste are solved.
Disclosure of Invention
The invention aims to solve the problems and achieve the purposes of reducing the production cost and reducing the environmental protection treatment pressure of waste glue; in the scheme, multiple detections show that the viscosity of the waste glue obtained by washing is within 70mPa.s, and the waste glue is divided into a method for recycling the waste glue with the viscosity of 50-70 mPa.s and a method for recycling the waste glue with the viscosity of less than 50mPa.s according to the influence of the viscosity on a glue pump in production, and the specific technical scheme is as follows:
a method for recycling waste glue in viscose production comprises a method for recycling waste glue with the viscosity of 50-70 mPa.s and a method for recycling waste glue with the viscosity of less than 50 mPa.s;
the method for recycling the waste glue with the viscosity of 50-70 mPa.s,
collecting waste glue with the viscosity of 50-70 mPa.s, and then placing the waste glue in a collection tank I to obtain a collection liquid I; inputting the collected liquid I in the collecting tank I into a sedimentation type separator, operating the sedimentation type separator at the rotating speed of 5000-6500 r/min, separating the collected liquid I to obtain solid impurities and collected liquid II, and discharging the solid impurities; then conveying the collected liquid II to a filtering device III with the filtering precision of 30-50 mu m for coarse filtering; then conveying the mixture to a filtering device IV with the filtering precision of 5-25 mu m, and carrying out fine filtering to obtain a collecting liquid III for preparing the viscose;
the method for recycling the waste glue with the viscosity of less than 50mPa.s,
collecting waste glue with the viscosity of less than 50mPa.s, and then placing the waste glue in a collection tank IV to obtain a collection liquid IV; inputting the collection liquid IV into a filtering device I with the filtering precision of 30-50 mu m for coarse filtering to obtain collection liquid V, adding a sulfuric acid reagent with the mass concentration of 90g/l into the collection liquid V, and adjusting the pH value of the collection liquid V to 6.0-8.0; and then, conveying the mixture to a filtering device II with the filtering precision of 10-30 mu m for fine filtering to obtain a collecting liquid VI, and then cleaning each part in the viscose production.
A system for recycling waste glue water in viscose production comprises a waste glue processing system with the viscosity of 50-70 mPa.s and a waste glue processing system with the viscosity of less than 50mPa.s, wherein the waste glue processing system with the viscosity of 50-70 mPa.s comprises a collecting tank I, a sedimentation type separator, a collecting tank II, a filtering device III, a filtering device IV and a collecting tank III, and the collecting tank I, the sedimentation type separator, the collecting tank II, the filtering device III, the filtering device IV and the collecting tank III are sequentially connected; the viscosity is less than 50mPa.s useless glue processing system includes collection tank IV, filter equipment I, collection tank V, filter equipment II and collection tank VI, collection tank IV, filter equipment I, collection tank V, filter equipment II and collection tank VI connect gradually, viscosity is 50 ~ 70mPa.s useless glue processing system and viscosity is less than 50mPa.s useless glue processing system and is connected with belt cleaning device respectively.
The filter device I, the filter device II, the filter device III and the filter device IV are one of a bag filter, a KKF filter and a plate and frame filter.
The collecting tank V is provided with a reagent adding pipe, a stirrer and a pH meter are installed in the collecting tank V, and the working speed of the stirrer is 2000-4000 r/min.
The invention has the beneficial effects that:
(1) after the high-concentration and low-concentration waste glue is treated, the discharge of waste water in viscose fiber production is reduced, the environmental protection treatment pressure is reduced, the production environment is ensured, and the current environmental protection situation is met.
(2) After the high-concentration waste glue is separated and filtered by the sedimentation type separator and the filtering device, the high-concentration waste glue can be directly used for viscose preparation, the water for viscose production and preparation and the consumption of viscose raw materials are reduced, and the production cost is reduced.
(3) The low-concentration waste glue water can replace fresh water to carry out preliminary washing on the spray heads and the components after simple filtration and neutralization, and the using amount of the fresh water is reduced.
(4) The low-concentration waste glue enters the high-concentration waste glue treatment system after being treated and used, so that the recycling of the low-concentration waste glue and the high-concentration waste glue is realized, and except for solid substances in the treatment process, the viscose is completely recycled, so that the resource recycling is realized.
(5) The filter device adopts filter devices such as a bag filter, a KKF filter and a plate frame filter which are commonly used and low in cost or are idle in viscose production, and filter cloth and filter elements with proper precision are added to meet the corresponding filtering requirement, so that the filter device is low in cost and easy to popularize.
(6) Be provided with reagent on the low concentration viscose water collection tank and add the pipe for add acid reagent, install agitator and pH meter in the low concentration viscose water collection tank, the messenger is the water and fully reacts with acid reagent to the pH value of timely record water.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic view of the connection mode of the device of the invention.
Fig. 3 is a flowchart of embodiment 6 of the present invention.
In the figure: 1. cleaning device, 2, collection tank IV, 3, filter equipment I, 4, collection tank V, 5, filter equipment II, 6, collection tank VI, 7, collection tank I, 8, sedimentation formula separating centrifuge, 9, collection tank II, 10, filter equipment III, 11, filter equipment IV, 12, collection tank III, 13, reagent addition pipe, 14, agitator, 15, pH meter.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
Example 1
Referring to the attached drawings 1 and 2, a method for recycling waste glue in viscose production belongs to the field of viscose production, and comprises a method for recycling waste glue with the viscosity of 50-70 mPa.s and a method for recycling waste glue with the viscosity of less than 50 mPa.s;
the method for recycling the waste glue with the viscosity of 50-70 mPa.s,
collecting waste glue with the viscosity of 50-70 mPa.s, wherein the waste glue comes from cleaning water of filter cloth, a spray head, a component and the like, the process environment temperature is controlled to be 18-22 ℃, and then the waste glue is placed in a collection tank I7 to obtain a collection liquid I; inputting the collected liquid I in the collecting tank I7 into a sedimentation type separator 8, operating the sedimentation type separator 8 at the rotating speed of 5000r/min, separating the collected liquid I to obtain solid impurities and collected liquid II, and discharging the solid impurities; then conveying the collected liquid II to a filtering device III10 with the filtering precision of 30 mu m for coarse filtration; then conveying the mixture to a filtering device IV11 with the filtering precision of 5 mu m, and carrying out fine filtering to obtain a collecting liquid III for the preparation of viscose;
the method for recycling the waste glue with the viscosity of less than 50mPa.s,
collecting waste glue with the viscosity of less than 50mPa.s, controlling the process environment temperature at 18-22 ℃, and then placing the waste glue in a collection tank IV2 to obtain a collection liquid IV; inputting the collection liquid IV into a filtering device I3 with the filtering precision of 30-50 mu m for coarse filtering to obtain collection liquid V, adding a sulfuric acid reagent with the mass concentration of 90g/l into the collection liquid V, and adjusting the pH value of the collection liquid V to 6.0-8.0; and then, conveying the mixture to a filtering device II5 with the filtering precision of 10-30 mu m for fine filtering to obtain a collecting liquid VI, and then cleaning each part in the viscose production.
In this embodiment, the system of the waste glue recycling method in the viscose production comprises a waste glue processing system with a viscosity of 50-70 mpa.s and a waste glue processing system with a viscosity of less than 50mpa.s, wherein the waste glue processing system with a viscosity of 50-70 mpa.s comprises a collection tank I7, a sedimentation type separator 8, a collection tank II9, a filter device III10, a filter device IV11 and a collection tank III12, and the collection tank I7, the sedimentation type separator 8, the collection tank II9, the filter device III10, the filter device IV11 and the collection tank III12 are sequentially connected; the viscosity is less than 50mPa.s waste glue processing system includes collection tank IV2, filter equipment I3, collection tank V4, filter equipment II5 and collection tank VI6, collection tank IV2, filter equipment I3, collection tank V4, filter equipment II5 and collection tank VI6 connect gradually, the viscosity is 50 ~ 70mPa.s waste glue processing system and the viscosity is less than 50mPa.s waste glue processing system is connected with belt cleaning device 1 respectively.
Preferably, the filter device I3, the filter device II5, the filter device III10 and the filter device IV11 are one of a bag filter, a KKF filter and a plate and frame filter.
Preferably, a reagent adding pipe 13 is arranged on the collecting tank V4, a stirrer 14 and a pH meter 15 are arranged in the collecting tank V4, and the working speed of the stirrer 14 is 2000-4000 r/min.
Example 2
Compared with the embodiment 1, the difference of the embodiment is that the sedimentation separator 8 separates the collected liquid I at the rotating speed of 6500 r/min.
Example 3
Compared with the embodiment 1, the difference of this embodiment is that the filtering device III10 is a filtering device III10 with a filtering precision of 50 μm, and the filtering device IV11 is a filtering device IV11 with a filtering precision of 25 μm.
Example 4
The present example is distinguished from example 1 in that a filter with a precision of 50 μm was used for the filter device I3, and a filter with a precision of 30 μm was used for the filter device II 3.
Example 5
This example is distinguished from example 1 in that a sulfuric acid reagent having a concentration of 90g/l by mass is added to the collection liquid V in the collection tank V4 and the pH is adjusted to 8.0.
Example 6
Referring to fig. 2 and 3, a method for recycling waste glue water in viscose production is disclosed, wherein the process environment temperature is controlled at 18-22 ℃, first washing water, second washing water, first spray head cleaning water and first component cleaning water in a cleaning device 1 are collected into a collection tank I7 to obtain a collection liquid I, the collection liquid I is conveyed to a sedimentation type separator 8, the sedimentation type separator 8 operates at a rotating speed of 6000r/min to obtain a collection liquid II through separation, the collection liquid II is sequentially conveyed to a filtering device III10 and a filtering device IV11 to perform coarse filtration and fine filtration to obtain a collection liquid III, and the collection liquid III is stored in the collection tank III12 to be used in the viscose production process; collecting third washing water and second and third nozzle cleaning water in the cleaning device 1 to a collecting tank VI6 to obtain a collecting liquid VI, conveying the collecting liquid VI to a filtering device I3 with the filtering precision of 30 mu m for filtering, placing the collecting liquid V obtained by filtering in a collecting tank V4, adjusting the rotating speed according to the viscosity of the collecting liquid by a stirrer 14 arranged in the collecting tank V4 to stir at 2000-4000 r/min, adjusting the pH value of the water body to 7.0, conveying the water body to a filtering device II5 with the filtering precision of 20 mu m for filtering to obtain the collecting liquid VI, pumping the collecting liquid VI to the cleaning device 1, and cleaning the first filtering cloth, the first nozzle and the first assembly in the cleaning device 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (4)
1. A method for recycling waste glue in viscose production comprises a method for recycling waste glue with the viscosity of 50-70 mPa.s and a method for recycling waste glue with the viscosity of less than 50 mPa.s;
the method for recycling the waste glue with the viscosity of 50-70 mPa.s,
collecting waste glue with the viscosity of 50-70 mPa.s, and then placing the waste glue in a collecting tank I (7) to obtain a collecting liquid I; inputting the collected liquid I in the collecting tank I (7) into a sedimentation type separator (8), operating the sedimentation type separator (8) at the rotating speed of 5000-6500 r/min, separating the collected liquid I to obtain solid impurities and a collected liquid II, and discharging the solid impurities; then conveying the collected liquid II to a filtering device III (10) with the filtering precision of 30-50 mu m for coarse filtering; then conveying the mixture to a filtering device IV (11) with the filtering precision of 5-25 mu m, and carrying out fine filtering to obtain a collecting liquid III for preparing the viscose;
the method for recycling the waste glue with the viscosity of less than 50mPa.s,
collecting waste glue with the viscosity of less than 50mPa.s, and then placing the waste glue in a collecting tank IV (2) to obtain a collecting liquid IV; inputting the collection liquid IV into a filtering device I (3) with the filtering precision of 30-50 mu m for coarse filtering to obtain a collection liquid V, adding a sulfuric acid reagent with the mass concentration of 90g/l into the collection liquid V, and adjusting the pH value of the collection liquid V to 6.0-8.0; and then, conveying the mixture to a filtering device II (5) with the filtering precision of 10-30 mu m for fine filtering to obtain a collecting liquid VI, and then cleaning each part in the viscose production.
2. The system for recycling the waste glue water in the viscose production according to claim 1, which is characterized in that: the system comprises a waste glue processing system with the viscosity of 50-70 mPa.s and a waste glue processing system with the viscosity of less than 50mPa.s, wherein the waste glue processing system with the viscosity of 50-70 mPa.s comprises a collecting tank I (7), a sedimentation type separator (8), a collecting tank II (9), a filtering device III (10), a filtering device IV (11) and a collecting tank III (12), and the collecting tank I (7), the sedimentation type separator (8), the collecting tank II (9), the filtering device III (10), the filtering device IV (11) and the collecting tank III (12) are sequentially connected; the viscosity is less than 50mPa.s useless glue processing system includes collection tank IV (2), filter equipment I (3), collection tank V (4), filter equipment II (5) and collection tank VI (6), collection tank IV (2), filter equipment I (3), collection tank V (4), filter equipment II (5) and collection tank VI (6) connect gradually, viscosity is 50 ~ 70mPa.s useless glue processing system and viscosity is less than 50mPa.s useless glue processing system and is connected with belt cleaning device (1) respectively.
3. The system for recycling the waste glue water in the viscose production according to claim 2, which is characterized in that: the filter device I (3), the filter device II (5), the filter device III (10) and the filter device IV (11) are one of a bag filter, a KKF filter and a plate and frame filter.
4. The system for recycling the waste glue water in the viscose production according to claim 2, which is characterized in that: be provided with reagent on collection tank V (4) and add pipe (13), install agitator (14) and pH meter (15) in collection tank V (4), agitator (14) operating speed is 2000 ~ 4000 r/min.
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| CN201811031332.0A CN109322011B (en) | 2018-09-05 | 2018-09-05 | Method and system for recycling waste glue water in viscose production |
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| CN201811031332.0A CN109322011B (en) | 2018-09-05 | 2018-09-05 | Method and system for recycling waste glue water in viscose production |
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| CN104862829A (en) * | 2015-04-28 | 2015-08-26 | 宜宾丝丽雅集团有限公司 | Recovery process of waste viscose |
| CN105369394A (en) * | 2015-12-01 | 2016-03-02 | 宜宾丝丽雅股份有限公司 | Method for recovering waste glue in viscose production |
| CN106498568A (en) * | 2016-11-28 | 2017-03-15 | 宜宾海丝特纤维有限责任公司 | A kind of scrap rubber recycling system |
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