CN110563263A - Method for treating industrial wastewater of package printing - Google Patents
Method for treating industrial wastewater of package printing Download PDFInfo
- Publication number
- CN110563263A CN110563263A CN201910849734.XA CN201910849734A CN110563263A CN 110563263 A CN110563263 A CN 110563263A CN 201910849734 A CN201910849734 A CN 201910849734A CN 110563263 A CN110563263 A CN 110563263A
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- filter
- wastewater
- frame
- packaging
- scraping roller
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
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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)
- Filtration Of Liquid (AREA)
Abstract
the invention relates to a method for treating industrial wastewater of package printing, which comprises a filter frame, a filter plate horizontally and slidably arranged in the filter frame, a pair of extrusion roller sets rotatably arranged in the filter frame, a reciprocating motion driving mechanism arranged on the filter frame and a pair of scraping roller mechanisms arranged on the filter frame, wherein the reciprocating motion driving mechanism can drive the filter plate to horizontally reciprocate; the invention mainly relates to a device in a method for treating the waste water in the packaging and printing industry, which is mainly used for filtering colloid in the type of sizing waste water generated in the packaging and printing industry.
Description
Technical Field
The invention relates to the technical field of industrial wastewater treatment, and particularly provides a method for treating industrial wastewater of packaging and printing.
Background
Compared with the industrial production such as papermaking, chemical production and the like which can generate a large amount of industrial wastewater, the industrial wastewater generated in the production process of the packaging and printing industry is relatively small, and enterprises often ignore the wastewater treatment; with the stricter and stricter environmental requirements and the perfection of national relevant laws and regulations, packaging and printing enterprises have to pay attention to the treatment of production wastewater so as to reach the national standard for standard discharge.
although the discharge capacity of the waste water produced by the packaging and printing industry is relatively small, the water quality is complex, the waste water is mainly ink waste water and sizing waste water, wherein the sizing waste water contains colloid, the wastewater contains a large amount of colloid, the BOD and COD of the waste water are too high, the biodegradability of the waste water is poor, the filtering of the colloid is neglected, the biochemical treatment of the subsequent waste water is not facilitated, and a large amount of chemical agents are adopted for treatment, so that the economical efficiency of the waste water treatment is influenced.
the invention provides a method for treating packaging and printing industrial wastewater, mainly relates to a device for treating packaging and printing industrial wastewater, and mainly aims to filter colloid in a type of sizing wastewater generated in the packaging and printing industry.
Disclosure of Invention
in order to solve the problems, the invention provides a method for treating the packaging and printing industrial wastewater, and particularly relates to a device for treating the packaging and printing industrial wastewater, which can solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a treatment method of packaging and printing industrial wastewater specifically comprises the following steps:
S1, filtering suspended impurities: filtering suspended impurities in wastewater generated in the production of packaging and printing;
S2, filtering gum: further filtering colloid from the wastewater subjected to the suspended impurity filtering in the step S1;
s3, wastewater regulation: introducing the wastewater subjected to the colloid filtration in the step S2 into an adjusting tank for adjustment;
s4, primary precipitation: introducing the wastewater in the regulating reservoir in the step S3 into a primary sedimentation tank for primary sedimentation;
s5, biodegradation: introducing the wastewater subjected to the preliminary precipitation in the step S4 into a biodegradation tank for biodegradation;
s6, solid-liquid separation: introducing the wastewater subjected to biodegradation in the step S5 into an air flotation tank for solid-liquid separation, so that the wastewater is discharged after reaching the standard;
the treatment process of the packaging and printing industrial wastewater by adopting the treatment method of the steps S1-S6 also specifically relates to a packaging and printing industrial wastewater treatment device which specifically comprises a filter frame, a filter plate horizontally and slidably arranged in the filter frame, a pair of extrusion roller sets rotatably arranged in the filter frame, a reciprocating motion driving mechanism arranged on the filter frame and a pair of scraping roller mechanisms arranged on the filter frame, wherein the reciprocating motion driving mechanism can drive the filter plate to horizontally reciprocate;
The filter frame comprises a frame body and a water inlet frame fixedly arranged at the central position of the upper end of the frame body, the frame body is in a long rectangular shape, guide rails are arranged on two long inner side walls of the frame body, the two guide rails are horizontally arranged oppositely, two partition plates are arranged between the two long inner side walls of the frame body, the two partition plates are symmetrically arranged relative to the central plane of the water inlet frame, and a water inlet area of the water inlet frame falls into an area separated by the two partition plates in the frame body;
The filter plate comprises two plate edge strips and filter cloth fixedly connected between the two plate edge strips, the two plate edge strips are correspondingly and slidably mounted in the two guide rails, the filter cloth is flush with the end parts of the plate edge strips, the length of the filter cloth is more than twice of the inner width of the water inlet frame along the sliding direction of the filter plate, and the filter cloth comprises two filter cotton layers and a filter screen layer positioned between the two filter cotton layers;
the pair of extrusion roller sets are symmetrically distributed on two sides of the water inlet frame and are positioned at the outer side positions of the partition plates, the filter cloth penetrates through the extrusion roller sets, the pair of scraping roller mechanisms are symmetrically distributed on two sides of the water inlet frame and are positioned at the outer side positions of the extrusion roller sets;
the scraping roller mechanism comprises two belt seat bearings fixedly arranged on the frame body, a scraping roller motor fixedly arranged on the outer side of one of the belt seat bearings and a scraping roller horizontally and rotatably arranged between the two belt seat bearings, one end of the scraping roller is fixedly connected with an output shaft of the scraping roller motor, a central shaft of the scraping roller is vertical to the sliding direction of the filter plate, and the scraping roller can be contacted with the filter cloth.
Preferably, the reciprocating driving mechanism comprises a servo motor, two screw rods and a transmission chain connected between the two screw rods, two bearing plates are arranged on two long outer side walls of the frame body, the lead screw is horizontally and rotatably arranged between the two bearing plates on each long outer side wall, a chain gear is arranged at the end part of the same side of the two lead screws, the servo motor is fixedly arranged on a bearing plate at the position of the other end of one of the screw rods, which is opposite to the position of the other end provided with the chain gear, and the output shaft of the servo motor is fixedly connected with the end part of the screw rod, the transmission chain is meshed with the two sprocket gear chains, the outer side wall of the frame body corresponding to each guide rail is provided with a strip-shaped guide opening, the middle position of the outer side wall of each plate edge strip is provided with a threaded sleeve, and the threaded sleeves on the two plate edge strips correspondingly penetrate through the close guide openings and are correspondingly in threaded connection with the two screw rods.
Preferably, the squeeze roller group comprises two squeeze rollers which are vertically arranged oppositely, and the two squeeze rollers are rotatably arranged on the frame body.
preferably, the outer wall of the scraping roller is uniformly distributed with scraping plates relative to the circumference of the central shaft, and the scraping plates can be contacted with the filter cloth.
preferably, the circumferential outer wall of the extrusion roller is uniformly distributed with glue grabbing salient points.
preferably, the two sides of the water inlet frame, which are opposite to the sliding direction of the filter plate, are provided with downward extending baffles.
the technical scheme has the following advantages or beneficial effects:
1. The invention provides a method for treating packaging printing industrial wastewater, which relates to a device for treating packaging printing industrial wastewater, and can filter the packaging printing wastewater containing colloid through the device, wherein the filtering cloth for filtering adopts a layer structure design of a double-layer filtering cotton layer and a filtering net layer interlayer, so that the colloid in the wastewater passing through the filtering cloth can be basically filtered, the colloid filtering process steps are increased, the device can be used for filtering the colloid to improve the biodegradability of the wastewater, the subsequent process of wastewater treatment can be facilitated, the chemical treatment agent input amount can be reduced by adopting a physical method for filtering, the economy of wastewater treatment is improved, in addition, a reciprocating movement driving mechanism is used for driving a filtering plate to move in the device, and two scraping roller mechanisms are matched for scraping the colloid on the surface of the filtering cloth, so that the colloid filtered and retained on the filtering cloth can be cleaned in time, then, the filter cloth can be ensured to normally play a filtering role, and the colloid scraping is automatically carried out, so that the trouble and inconvenience of manual regular cleaning are avoided.
2. The invention provides a method for treating packaging printing industrial wastewater, which relates to a device for treating packaging printing industrial wastewater, wherein an extrusion roller set is arranged between a water inlet frame and a scraping roller mechanism, a filter cloth inevitably passes through an extrusion roller before colloid is scraped, the filter cloth passing through the wastewater has a certain effect of collapsing downwards due to the gravity action of the wastewater, and water contained after the extrusion of the two extrusion rollers can be basically extruded, so that a scraper can more effectively contact the surface of the filter cloth to scrape the colloid, and in addition, glue grabbing salient points uniformly distributed on the extrusion rollers can loosen the colloid and are beneficial to scraping and cleaning the colloid by the scraper.
drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a top view of a wastewater treatment device for packaging and printing industry provided by the invention;
FIG. 2 is a front view of a wastewater treatment apparatus for packaging and printing industry provided by the present invention;
FIG. 3 is a top view of a filter plate according to the present invention;
3 FIG. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 FIG. 3 3 3 in 3 accordance 3 with 3 the 3 present 3 invention 3; 3
FIG. 5 is a side view of the squeeze roll of the present invention;
fig. 6 is a side view of the scraping roller of the present invention.
in the figure: 1. a filter frame; 11. a frame body; 111. a partition plate; 112. a guide rail; 1121. a guide opening; 113. a bearing plate; 12. a water inlet frame; 121. a baffle plate; 2. a filter plate; 21. a plate edge strip; 211. a threaded sleeve; 22. a filter cloth; 221. a filter cotton layer; 222. a screen layer; 3. an extrusion roller set; 31. a squeeze roll; 311. grabbing the glue convex points; 4. a reciprocating drive mechanism; 41. a servo motor; 42. a screw rod; 421. a sprocket gear; 43. a drive chain; 5. a scraping roller mechanism; 51. a pedestal bearing; 52. a scraping roller motor; 53. a scraping roller; 531. a scraper.
Detailed Description
the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.
referring to the attached drawings 1-6, a method for treating packaging printing industrial wastewater specifically comprises the following steps:
s1, filtering suspended impurities: filtering suspended impurities in wastewater generated in the production of packaging and printing;
S2, filtering gum: further filtering colloid from the wastewater subjected to the suspended impurity filtering in the step S1;
S3, wastewater regulation: introducing the wastewater subjected to the colloid filtration in the step S2 into an adjusting tank for adjustment;
S4, primary precipitation: introducing the wastewater in the regulating reservoir in the step S3 into a primary sedimentation tank for primary sedimentation;
s5, biodegradation: introducing the wastewater subjected to the preliminary precipitation in the step S4 into a biodegradation tank for biodegradation;
S6, solid-liquid separation: introducing the wastewater subjected to biodegradation in the step S5 into an air flotation tank for solid-liquid separation, so that the wastewater is discharged after reaching the standard;
it is noted that the adjusting tank, the primary settling tank, the biodegradation tank and the air flotation tank are all the existing facilities and devices for wastewater treatment.
The treatment process of the packaging and printing industrial wastewater by adopting the treatment method of the steps S1-S6 also specifically relates to a packaging and printing industrial wastewater treatment device, which specifically comprises a filter frame 1, a filter plate 2 horizontally and slidably arranged in the filter frame 1, a pair of extrusion roller sets 3 rotatably arranged in the filter frame 1, a reciprocating motion driving mechanism 4 arranged on the filter frame 1 and a pair of scraping roller mechanisms 5 arranged on the filter frame 1, wherein the reciprocating motion driving mechanism 4 can drive the filter plate 2 to horizontally reciprocate;
the filter frame 1 comprises a frame body 11 and a water inlet frame 12 fixedly installed at the central position of the upper end of the frame body 11 through bolts, the frame body 11 is in a long rectangular shape, guide rails 112 are arranged on two long inner side walls of the frame body 11, the two guide rails 112 are horizontally arranged oppositely, two partition plates 111 are arranged between the two long inner side walls of the frame body 11, the two partition plates 111 are symmetrically arranged relative to the central plane of the water inlet frame 12, and a water inlet area of the water inlet frame 12 falls into an area separated by the two partition plates 111 in the frame body 11; the area between the two partition plates 111 is a waste water passing area, and the outer area of the partition plates 111 is a colloid scraping passing area.
The filter plate 2 comprises two plate edge strips 21 and filter cloth 22 fixedly connected between the two plate edge strips 21 by gluing, the two plate edge strips 21 are correspondingly and slidably arranged in two guide rails 112, the filter cloth 22 is flush with the end part of the plate edge strip 21, the filter cloth 22 is ensured to be tightly supported in the assembly process of the filter plate 2, the length of the filter cloth 22 is greater than twice the inner width of the water inlet frame 12 along the sliding direction of the filter plate 2 (the reciprocating motion driving mechanism 4 drives the filter plate 2 to slide left and right in a reciprocating mode, the specific length of the filter cloth 22 is that when the filter plate 2 slides to the leftmost side, the filter plate 2 already passes through the scraping area of the right scraping roller 53, and when the filter plate 2 is located at the rightmost side, the filter plate 2 already passes through the scraping area of the left scraping roller 53, but the area of the water inlet frame 12 is always covered by the filter plate 2), and the filter cloth 22 comprises two filter cotton layers 221 and a filter screen layer 222 located between the two filter cotton layers 221; the screen layer 222 is made of flexible plastic material, and the waste water is filtered and retained on the upper filter cotton layer 221 after passing through the filter cloth 22.
the pair of extrusion roller sets 3 are symmetrically distributed on two sides of the water inlet frame 12, the extrusion roller sets 3 are located on the outer side of the partition plate 111, each extrusion roller set 3 comprises two extrusion rollers 31 which are vertically and oppositely arranged, the two extrusion rollers 31 are rotatably installed on the frame body 11, glue catching convex points 311 are uniformly distributed on the outer circumferential wall of each extrusion roller 31, the filter cloth 22 penetrates through the two extrusion rollers 31, the gap between the two extrusion rollers 31 is slightly smaller than the thickness of the filter cloth 22, when the filter cloth 22 moves to penetrate through the gap, residual wastewater in the filter cloth 22 can be squeezed off, the glue catching convex points 311 can disperse filtered glue, the scraping rollers 53 can be conveniently scraped, the pair of scraping roller mechanisms 5 are symmetrically distributed on two sides of the water inlet frame 12, and the scraping roller mechanisms 5 are located on the outer side of the extrusion roller sets 3;
The scraping roller mechanism 5 comprises two bearings 51 with seats fixedly arranged on the frame body 11 through screws, a scraping roller motor 52 fixedly arranged on the outer side of one bearing 51 with seats through screws and a scraping roller 53 horizontally and rotatably arranged between the two bearings 51 with seats, one end of the scraping roller 53 is fixedly welded with an output shaft of the scraping roller motor 52, a central shaft of the scraping roller 53 is vertical to the sliding direction of the filter plate 2, scraping plates 531 are uniformly distributed on the outer wall of the scraping roller 53 relative to the circumference of the central shaft, and the scraping plates 531 can be in contact with the filter cloth 22. The two sides of the scraping plate 531 extend to the end of the scraping roller 53 to be flush, as shown in fig. 1, the length of the scraping roller 53 is slightly smaller than the width of the filter cloth 22 between the two plate edge strips 21, it is ensured that the scraping plate 531 can basically abut against the whole width area of the filter cloth 22, during actual operation, the scraping roller motor 52 located on the left side will drive the scraping roller 53 to rotate clockwise, while the scraping roller motor 52 located on the right side will drive the scraping roller 53 to rotate counterclockwise (with respect to fig. 1, the left side and the right side), and the scraping plate 531 will scrape off the gum on the surface of the filter cloth 22 during the reciprocating sliding of the filter plate 2.
Further, the reciprocating driving mechanism 4 includes a servo motor 41, two lead screws 42 and a transmission chain 43 connected between the two lead screws 42, two bearing plates 113 are disposed on two long outer side walls of the frame 11, the lead screw 42 is horizontally and rotatably mounted between the two bearing plates 113 on each long outer side wall, a sprocket 421 is disposed on an end portion of the same side of each of the two lead screws 42, the servo motor 41 is fixedly mounted on the bearing plate 113 at the other end position of one of the lead screws 42 opposite to the sprocket 421, an output shaft of the servo motor 41 is fixedly welded to an end portion of the lead screw 42, the transmission chain 43 is engaged with the two sprockets 421, a long strip-shaped guide opening 1121 is disposed on an outer side wall of the frame 11 opposite to each guide rail 112, the guide opening is located at a middle position of an outer side wall of the frame 1121, a threaded sleeve 211 is disposed at a central position of an outer side wall, the threaded sleeves 211 on the two plate edge strips 21 correspondingly penetrate through the adjacent guide openings 1121 and are correspondingly in threaded connection with the two screw rods 42. The servo motor 41 drives the screw rod 42 fixedly connected with the servo motor to rotate, the sprocket 421 on the screw rod 42 drives the other sprocket 421 to rotate through the transmission chain 43, so that the two screw rods 42 synchronously rotate, the two screw rods 42 drive the whole filter plate 2 to slide along the two guide rails 112 through the threaded sleeves 211, the reciprocating driving mechanism 4 drives the filter plate 2 to slide left and right in a reciprocating manner within the range of the guide opening 1121, the sliding amount is equivalent to that of the two scraping roller mechanisms 5, and the scraping rollers 53 scrape the colloid on the surface of the filter cloth 22 in the process of sliding left and right.
Furthermore, the water inlet frame 12 is provided with downwardly extending baffles 121 on both sides thereof with respect to the sliding direction of the filter plate 2. Two baffles 121 correspond the setting in the top of two division boards 111, and filter 2 passes from the clearance of baffle 121 and division board 111, and baffle 121 and division board 111's effect are the same, all play the effect of stopping the partition waste water to form the subregion and pass through the waste water district and the regional separation of scraping off of colloid.
The invention provides a method for treating packaging and printing industrial wastewater, mainly provides a device for treating packaging and printing industrial wastewater related in the treatment method, and further provides a working principle and a working process of the device for treating packaging and printing industrial wastewater, wherein the working principle and the working process are as follows:
Starting the device, the reciprocating driving mechanism 4 will drive the filter plate 2 to reciprocate left and right along the guide rail 112 within the moving range of the guide opening 1121 (the servo motor 41 in the device is specifically a deceleration servo motor 41 with a deceleration mechanism, so the filter plate 2 can be driven to slide slowly), the scraping roller motor 52 located on the left side will drive the scraping roller 53 to rotate clockwise, the scraping roller motor 52 located on the right side will drive the scraping roller 53 to rotate counterclockwise, the waste water produced by the packaging printing in step S1 will be filtered by the suspended impurities, then the waste water is introduced into the device from the water inlet frame 12, the colloid after the waste water passes through the filter cloth 22 will be filtered and retained on the surface of the filter cloth 22, the filter cloth 22 will pass through the extrusion roller set 3 located on one side before moving to the scraping roller mechanism 5 on one side, the filter cloth 22 will complete the extrusion between the two extrusion rollers 31, and then pass through the scraping roller mechanism 5, scraper 531 will strike off glue, and after breaking away from this scraping roller 53 along with the removal of filter cloth 22, scraping roller 53 will take the glue of scraping to the glue that drops into framework 11 and strike off the region in, and the setting up of the scraping roller mechanism 5 of both sides has guaranteed that glue on the filter cloth 22 can obtain timely clearance, guarantees then that filter cloth 22 can normally exert the filtering action, will accomplish the filtration of glue through this device waste water.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (6)
1. A method for treating packaging and printing industrial wastewater is characterized by comprising the following steps: the processing method specifically comprises the following steps:
s1, filtering suspended impurities: filtering suspended impurities in wastewater generated in the production of packaging and printing;
s2, filtering gum: further filtering colloid from the wastewater subjected to the suspended impurity filtering in the step S1;
s3, wastewater regulation: introducing the wastewater subjected to the colloid filtration in the step S2 into an adjusting tank for adjustment;
s4, primary precipitation: introducing the wastewater in the regulating reservoir in the step S3 into a primary sedimentation tank for primary sedimentation;
s5, biodegradation: introducing the wastewater subjected to the preliminary precipitation in the step S4 into a biodegradation tank for biodegradation;
s6, solid-liquid separation: introducing the wastewater subjected to biodegradation in the step S5 into an air flotation tank for solid-liquid separation, so that the wastewater is discharged after reaching the standard;
The treatment process of the packaging and printing industrial wastewater by adopting the treatment method of the steps S1-S6 also specifically relates to a packaging and printing industrial wastewater treatment device, which specifically comprises a filter frame (1), a filter plate (2) horizontally and slidably arranged in the filter frame (1), a pair of extrusion roller sets (3) rotatably arranged in the filter frame (1), a reciprocating motion driving mechanism (4) arranged on the filter frame (1) and a pair of scraping roller mechanisms (5) arranged on the filter frame (1), wherein the reciprocating motion driving mechanism (4) can drive the filter plate (2) to horizontally reciprocate;
The filter frame (1) comprises a frame body (11) and a water inlet frame (12) fixedly mounted at the central position of the upper end of the frame body (11), the frame body (11) is internally in a long-rectangular shape, guide rails (112) are arranged on two long inner side walls of the frame body (11), the two guide rails (112) are horizontally arranged oppositely, two partition plates (111) are arranged between the two long inner side walls of the frame body (11), the two partition plates (111) are symmetrically arranged relative to the central plane of the water inlet frame (12), and a water inlet area of the water inlet frame (12) falls into an area separated by the two partition plates (111) in the frame body (11);
the filter plate (2) comprises two plate edge strips (21) and filter cloth (22) fixedly connected between the two plate edge strips (21), the two plate edge strips (21) are correspondingly and slidably mounted in the two guide rails (112), the filter cloth (22) is flush with the end parts of the plate edge strips (21), the length of the filter cloth (22) is greater than twice of the inner width of the water inlet frame (12) in the sliding direction of the filter plate (2), and the filter cloth (22) comprises two filter cotton layers (221) and a filter screen layer (222) positioned between the two filter cotton layers (221);
The pair of extrusion roller sets (3) are symmetrically distributed on two sides of the water inlet frame (12), the extrusion roller sets (3) are located at the outer side positions of the partition plates (111), the filter cloth (22) penetrates through the extrusion roller sets (3), the pair of scraping roller mechanisms (5) are symmetrically distributed on two sides of the water inlet frame (12), and the scraping roller mechanisms (5) are located at the outer side positions of the extrusion roller sets (3);
The scraping roller mechanism (5) comprises two belt seat bearings (51) fixedly mounted on the frame body (11), a scraping roller motor (52) fixedly mounted on one of the outer sides of the belt seat bearings (51) and a scraping roller (53) horizontally and rotatably mounted between the two belt seat bearings (51), one end of the scraping roller (53) is fixedly connected with an output shaft of the scraping roller motor (52), a central shaft of the scraping roller (53) is vertical to the sliding direction of the filter plate (2), and the scraping roller (53) can be in contact with the filter cloth (22).
2. The method for treating the wastewater in the packaging and printing industry according to claim 1, wherein the method comprises the following steps: the reciprocating motion driving mechanism (4) comprises a servo motor (41), two screw rods (42) and a transmission chain (43) connected between the two screw rods (42), two bearing plates (113) are arranged on two long outer side walls of the frame body (11), the screw rods (42) are horizontally and rotatably arranged between the two bearing plates (113) on each long outer side wall, a chain gear (421) is arranged at the end part of the same side of each screw rod (42), the servo motor (41) is fixedly arranged on the bearing plate (113) at the other end position of one screw rod (42) which is relatively provided with the chain gear (421), an output shaft of the servo motor (41) is fixedly connected with the end part of the screw rod (42), the transmission chain (43) is meshed with the two chain gears (421) in a tooth chain manner, a strip-shaped guide opening (1121) is arranged on the outer side wall of the frame body (11) at the position corresponding to each guide rail (112), the center of the outer side wall of each plate edge strip (21) is provided with a threaded sleeve (211), and the threaded sleeves (211) on the two plate edge strips (21) correspondingly penetrate through the adjacent guide openings (1121) and are correspondingly in threaded connection with the two screw rods (42).
3. The method for treating the wastewater in the packaging and printing industry according to claim 1, wherein the method comprises the following steps: the extrusion roller group (3) comprises two extrusion rollers (31) which are vertically and oppositely arranged, and the two extrusion rollers (31) are rotatably arranged on the frame body (11).
4. The method for treating the wastewater in the packaging and printing industry according to claim 1, wherein the method comprises the following steps: scrapers (531) are uniformly distributed on the outer wall of the scraping roller (53) relative to the circumference of the central shaft, and the scrapers (531) can be in contact with the filter cloth (22).
5. The method for treating the wastewater in the packaging and printing industry according to claim 3, wherein the method comprises the following steps: and glue grabbing salient points (311) are uniformly distributed on the circumferential outer wall of the extrusion roller (31).
6. the method for treating the wastewater in the packaging and printing industry according to claim 1, wherein the method comprises the following steps: and the two sides of the water inlet frame (12) in the sliding direction relative to the filter plate (2) are respectively provided with a baffle (121) extending downwards.
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CN201910849734.XA CN110563263A (en) | 2019-09-09 | 2019-09-09 | Method for treating industrial wastewater of package printing |
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CN201910849734.XA CN110563263A (en) | 2019-09-09 | 2019-09-09 | Method for treating industrial wastewater of package printing |
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Application publication date: 20191213 |