Waste liquid treatment device for printing house

Abstract

The utility model relates to the field of printing, in particular to a waste liquid treatment device for a printing house, which comprises a treatment box, a mixing structure is mounted at the center of the inner wall of the treatment box, an auxiliary component is arranged on the outer wall of one side of the treatment box, a drainage pipe is connected to the outer wall of the bottom of the treatment box, and a filtering structure is mounted at the other end of the drainage pipe; the filter structure comprises a filter cartridge, a filter screen mounted in the center of the inner wall of the filter cartridge and a drain hole formed in the bottom of the outer wall of one side of the filter cartridge; the mixing structure comprises a main shaft rotationally connected to the centers of the inner walls of the two ends of the treatment box and stirring rods fixedly mounted on the outer wall of the main shaft at equal intervals. The water pump sprays water through the spray head of the conveying pipe to further mix waste liquid in the treatment box, so that the situation that condensate sinks to the bottom of the treatment box after the water in the treatment box is discharged is avoided, the condensate in the treatment box is conveniently discharged to the filter cartridge along the water, impurities are prevented from sinking to the bottom, and deslagging is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to a waste liquid treatment device for a printing factory. Background Art

[0002] Printing is the technology of transferring the ink of text, pictures, photos, anti-counterfeiting manuscripts to the surface of paper, textiles, plastics, leather, PVC, PC and other materials through plate making, inking, pressurization and other processes to reproduce the original contents in batches. Printing is the process of transferring the approved printing plate to the substrate through printing machinery and special ink;

[0003] When a printing factory is performing printing production, a large amount of waste liquid is generated. Printing waste liquid is an industrial waste liquid that is difficult to treat and is generated during the printing process. When treating the waste liquid, a coagulant needs to be added to the waste liquid and the waste liquid is filtered through a filtering device to remove most of the impurities in the waste liquid. However, when the existing filtering device is in use, the filter screen is generally inside the machine, which is inconvenient to clean. Utility Model Content

[0004] The utility model aims to solve the above-mentioned problems and shortcomings and proposes a waste liquid treatment device for a printing factory: a waterproof motor drives a cleaning plate through a screw to scrape out condensate on the cleaning plate, and when the cleaning plate rises to the highest point of the screw, an electric push rod is started to drive the push plate to move, and the push plate slides on the top outer wall of the cleaning plate to push the condensate onto a collecting plate for collection, which is convenient for automatic cleaning, maintains filtering efficiency, and is convenient for collecting impurities, solving the problem of inconvenience in subsequent cleaning caused by the internal setting of the filtering device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A waste liquid treatment device for a printing factory comprises a treatment box, a mixing structure is installed at the center of the inner wall of the treatment box, and an auxiliary component is provided on the outer wall of one side of the treatment box, the bottom outer wall of the treatment box is connected to a drain pipe, and the other end of the drain pipe is installed with a filtering structure; the filtering structure comprises a filter cartridge, a filter screen installed at the center of the inner wall of the filter cartridge and a drainage hole opened at the bottom of the outer wall of one side of the filter cartridge; the mixing structure comprises a main shaft rotatably connected to the center of the inner wall at both ends of the treatment box and a stirring rod fixedly installed on the outer wall of the main shaft at an equal distance; the auxiliary component comprises a water pump, a delivery pipe connected to the output end of the water pump and a suction pipe connected to the input end of the water pump.

[0007] Preferably, the inner walls on both sides of the filter cartridge are provided with drive grooves at one end of the filter screen, and a screw is rotatably connected in the drive grooves, the outer wall of the screw is screwed with a cleaning plate, and the side outer walls of the cleaning plate slide on the inner wall of the filter cartridge, the outer wall of the drive groove and the outer wall of the filter screen respectively.

[0008] Preferably, the filter cartridge is provided with a collecting cavity at the bottom of the cleaning plate, and a cleaning port is opened on one side of the collecting cavity, and the filter cartridge is sealed with an opening door at the cleaning port.

[0009] Preferably, a collecting plate is installed on the inner wall of the filter cartridge at the top of the drain hole by screws, and an outer wall on one side of the collecting plate is an arc-shaped structure, and an outer wall at one end of the collecting plate is in contact with the outer wall of the filter screen.

[0010] Preferably, a mounting seat is installed on one side outer wall of the processing box, and an electric push rod is installed in the mounting seat, a push plate is installed on the outer wall of one end of the electric push rod, and the bottom outer wall of the push plate is slidably connected to the top outer wall of the cleaning plate.

[0011] Preferably, the outer walls at both ends of the delivery pipe are equipped with fixing seats, and the fixing seats are installed on the two ends of the inner wall of the bottom of the treatment box by screws. The outer walls of the delivery pipe are provided with nozzles distributed at equal distances, and the other end of the suction pipe is connected to the filter cartridge at the drainage hole. Valves are installed at one end of the drainage pipe and the delivery pipe.

[0012] Preferably, a driving motor is installed on the outer wall of the processing box at one end of the main shaft, and the output shaft of the driving motor is connected to the main shaft. A waterproof motor is installed on the top outer wall of the filter cylinder at the screw, and the output shaft of the waterproof motor is connected to one end of the screw.

[0013] Preferably, the waterproof motor, the drive motor, the water pump and the electric push rod are connected to a switch via wires, and the switch is connected to a power source via wires.

[0014] The beneficial effects of the utility model are:

[0015] 1. The water pump extracts the treated water and sends it to the delivery pipe through the pumping pipe. The nozzle of the delivery pipe sprays water to further mix the waste liquid in the treatment tank to prevent the condensate from sinking to the bottom of the treatment tank after the water in the treatment tank is discharged. It is convenient to discharge the condensate in the treatment tank to the filter cylinder along with the water, avoid impurities from sinking to the bottom, and facilitate slag discharge;

[0016] 2. The waterproof motor drives the cleaning plate through the screw to scrape out the condensate on the cleaning plate. When the cleaning plate rises to the highest point of the screw, the electric push rod is started to drive the push plate to move. The push plate slides on the top outer wall of the cleaning plate to push the condensate to the collection plate for collection, which is convenient for automatic cleaning, maintains the filtration efficiency, and is convenient for collecting impurities;

[0017] 3. The driving motor drives the stirring rod to rotate through the main shaft. After the stirring rod rotates, the waste liquid and the solvent are quickly fused, which is convenient for accelerating the fusion speed and facilitating the treatment of the waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the cross-sectional structure of a treatment box of a waste liquid treatment device for a printing factory proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of a filter cartridge of a waste liquid treatment device for a printing factory proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of one side of a waste liquid treatment device for a printing factory proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the overall structure of a waste liquid treatment device for a printing factory.

[0022] In the figure: 1 treatment box, 2 mixing structure, 3 auxiliary components, 4 drainage pipe, 5 filtering structure, 6 main shaft, 7 stirring rod, 8 driving motor, 9 fixing seat, 10 delivery pipe, 11 nozzle, 12 water pump, 13 suction pipe, 14 filter cartridge, 15 filter screen, 16 driving groove, 17 screw, 18 waterproof motor, 19 cleaning plate, 20 collecting plate, 21 electric push rod, 22 push plate, 23 drainage hole, 24 collecting chamber, 25 opening door, 26 valve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1:

[0025] Reference Figure 1 and Figure 3-4 A waste liquid treatment device for a printing factory comprises a treatment box 1, a mixing structure 2 is installed at the center of the inner wall of the treatment box 1, an auxiliary component 3 is provided on one side of the outer wall of the treatment box 1, a drain pipe 4 is connected to the bottom outer wall of the treatment box 1, and a filtering structure 5 is installed at the other end of the drain pipe 4;

[0026] The mixing structure 2 comprises a main shaft 6 rotatably connected to the center of the inner wall at both ends of the processing box 1 and a stirring rod 7 fixedly installed at an equal distance on the outer wall of the main shaft 6;

[0027] The outer wall of the treatment box 1 is located at one end of the main shaft 6 and a driving motor 8 is installed, and the output shaft of the driving motor 8 is connected to the main shaft 6. The top outer wall of the filter cartridge 14 is located at the screw 17 and a waterproof motor 18 is installed, and the output shaft of the waterproof motor 18 is connected to one end of the screw 17. The driving motor 8 drives the stirring rod 7 through the main shaft 6 to stir and mix the waste liquid and the solvent in the treatment box 1, thereby accelerating the mixing speed and facilitating the treatment of the waste liquid.

[0028] The waterproof motor 18, the driving motor 8, the water pump 12 and the electric push rod 21 are connected to the switch through wires, and the switch is connected to the power supply through wires.

[0029] The auxiliary component 3 includes a water pump 12, a delivery pipe 10 connected to the output end of the water pump 12, and a water pumping pipe 13 connected to the input end of the water pump 12;

[0030] The outer walls at both ends of the delivery pipe 10 are installed with fixing seats 9, and the fixing seats 9 are installed on the two ends of the inner wall at the bottom of the treatment box 1 by screws. The outer wall of the delivery pipe 10 is provided with nozzles 11 distributed at equal distances, and the other end of the suction pipe 13 is connected to the filter cartridge 14 at the drainage hole 23. Valves 26 are installed at one end of the drainage pipe 4 and the delivery pipe 10. The water pump 12 draws the treated water into the delivery pipe 10 through the suction pipe 13, and sprays the water into the treatment box 1 through the nozzle 11, which is convenient for auxiliary mixing, speeds up the mixing efficiency, and avoids the water in the treatment box 1 from being discharged too quickly, causing the condensate inside the treatment box 1 to dry up, so as to facilitate the treatment of waste liquid.

[0031] Embodiment 2:

[0032] Reference Figure 1-3 The filter structure 5 includes a filter cartridge 14, a filter screen 15 installed at the center of the inner wall of the filter cartridge 14, and a drainage hole 23 opened at the bottom of the outer wall of one side of the filter cartridge 14;

[0033] The inner walls of both sides of the filter cartridge 14 are provided with driving grooves 16 at one end of the filter screen 15, and the driving grooves 16 are rotatably connected with screws 17, and the outer walls of the screws 17 are screwed with cleaning plates 19, and the side outer walls of the cleaning plates 19 slide on the inner wall of the filter cartridge 14, the outer wall of the driving grooves 16 and the outer wall of the filter screen 15 respectively, and the waterproof motor 18 drives the cleaning plates 19 to slide and connect to the inner wall of the filter cartridge 14 and the inner wall of the filter screen 15 through the screws 17, so as to scrape out the condensation that falls on the cleaning plates 19 and is intercepted on the filter screen 15;

[0034] The filter cartridge 14 is provided with a collecting chamber 24 at the bottom of the cleaning plate 19, and a cleaning port is provided at one side of the collecting chamber 24. The filter cartridge 14 is sealed with an opening door 25 at the cleaning port. After the waste liquid is treated or the waste liquid is treated for a period of time, the opening door 25 is opened to clean the impurities in the collecting chamber 24 and to remove the collecting plate 20 to clean the impurities, so as to facilitate the cleaning of impurities and avoid cumbersome cleaning.

[0035] The inner wall of the filter cartridge 14 is located at the top of the drain hole 23 and a collecting plate 20 is installed by screws, and the outer wall of one side of the collecting plate 20 is an arc-shaped structure, and the outer wall of one end of the collecting plate 20 is in contact with the outer wall of the filter screen 15. The push plate 22 slides on the outer wall of the top of the cleaning plate 19 to push the condensate onto the collecting plate 20 for collection, and the residual water in the condensate falls into the filter cartridge 14 through the filter screen 15 at one end of the collecting plate 20;

[0036] A mounting seat is installed on the outer wall of one side of the processing box 1, and an electric push rod 21 is installed in the mounting seat. A push plate 22 is installed on the outer wall of one end of the electric push rod 21, and the bottom outer wall of the push plate 22 is slidably connected with the top outer wall of the cleaning plate 19. The waterproof motor 18 in the filter cartridge 14 drives the cleaning plate 19 to move up and down through the screw 17 to scrape off the impurities on the filter screen 15. The impurities fall on the cleaning plate 19 or fall into the collecting chamber 24. The cleaning plate 19 is pushed upward by the electric push rod 21, and the push plate 22 pushes the impurities to the collecting plate 20 for collection, which is convenient for cleaning the filter screen 15 and maintaining the filtering efficiency.

[0037] Working principle: when in use, the waste liquid generated by printing is introduced into the interior of the treatment box 1, and the solvent for treating the printing waste liquid is poured into the interior of the treatment box 1, and the driving motor 8 is started to drive the stirring rod 7 to rotate through the main shaft 6. After the stirring rod 7 rotates, the waste liquid and the solvent are accelerated to merge. After continuous stirring, the valve 26 of the drain pipe 4 is opened. The substances in the waste liquid are condensed together under the action of the solvent and discharged from the drain pipe 4 into the filter cartridge 14 with the water. The filter screen 15 in the filter cartridge 14 intercepts the water and condensed objects. After passing through the filter screen 15, the water is discharged from the drainage hole 23. At this time, the water pump 12 is started, and the water pump 12 extracts the treated water through the pumping pipe 13 and sends it to the delivery pipe 10. The nozzle 11 of the delivery pipe 10 sprays water to further mix the waste liquid in the treatment box 1 to avoid the precipitation of condensate after the water in the treatment box 1 is discharged. The cleaning plate 19 is driven by the electric push rod 21 to move the push plate 22, and the push plate 22 slides on the outer wall of the top of the cleaning plate 19 to push the condensate to the collecting plate 20 for collection. The residual water in the condensate falls into the filter cartridge 14 through the filter screen 15 at one end of the collecting plate 20. After the collecting plate 20 is disassembled, the condensate is processed, which is convenient for processing wastewater, cleaning the filter screen 15, and cleaning the intercepted solid impurities.

[0038] The exemplary implementation of the utility model is described in detail with reference to the examples, however, it is understood by those skilled in the art that, without departing from the concept of the utility model, various modifications and alterations may be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the utility model may be made without exceeding the scope of protection of the utility model, which is determined by the attached claims. The foregoing description of the specific exemplary implementation of the utility model is not intended to limit the utility model to the precise form disclosed, and it is obvious that many changes and variations can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary implementations of the utility model and various different choices and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A waste liquid treatment device for a printing factory, comprising a treatment box (1), characterized in that: A mixing structure (2) is installed at the center of the inner wall of the processing box (1), and an auxiliary component (3) is provided on one side of the outer wall of the processing box (1); a drainage pipe (4) is connected to the bottom outer wall of the processing box (1), and a filtering structure (5) is installed at the other end of the drainage pipe (4); The filtering structure (5) comprises a filter cartridge (14), a filter screen (15) installed at the center of the inner wall of the filter cartridge (14), and a drainage hole (23) provided at the bottom of the outer wall of one side of the filter cartridge (14); The mixing structure (2) comprises a main shaft (6) rotatably connected to the center of the inner wall at both ends of the processing box (1) and a stirring rod (7) fixedly installed at an equal distance on the outer wall of the main shaft (6); The auxiliary component (3) comprises a water pump (12), a delivery pipe (10) connected to the output end of the water pump (12), and a water pumping pipe (13) connected to the input end of the water pump (12).

2. A waste liquid treatment device for a printing factory according to claim 1, characterized in that: The inner walls of both sides of the filter cartridge (14) are provided with driving grooves (16) at one end of the filter screen (15), and screw rods (17) are rotatably connected in the driving grooves (16). The outer wall of the screw rod (17) is screwed with a cleaning plate (19), and the side outer walls of the cleaning plate (19) slide on the inner wall of the filter cartridge (14), the outer wall of the driving groove (16) and the outer wall of the filter screen (15) respectively.

3. The waste liquid treatment device for a printing factory according to claim 1, characterized in that: The filter cartridge (14) is provided with a collecting chamber (24) at the bottom of the cleaning plate (19), and a cleaning port is opened on one side of the filter cartridge (14) located at the collecting chamber (24), and an opening door (25) is sealed at the cleaning port of the filter cartridge (14).

4. The waste liquid treatment device for a printing factory according to claim 1, characterized in that: The inner wall of the filter cartridge (14) is located at the top of the drainage hole (23) and is provided with a collecting plate (20) by means of screws, and an outer wall on one side of the collecting plate (20) is an arc-shaped structure, and an outer wall at one end of the collecting plate (20) is in contact with an outer wall of the filter screen (15).

5. The waste liquid treatment device for a printing factory according to claim 1, characterized in that: A mounting seat is installed on one side outer wall of the processing box (1), and an electric push rod (21) is installed in the mounting seat. A push plate (22) is installed on one end outer wall of the electric push rod (21), and the bottom outer wall of the push plate (22) is slidably connected to the top outer wall of the cleaning plate (19).

6. The waste liquid treatment device for a printing factory according to claim 1, characterized in that: The outer walls at both ends of the delivery pipe (10) are both installed with fixing seats (9), and the fixing seats (9) are installed on the two ends of the inner wall at the bottom of the treatment box (1) by screws. The outer wall of the delivery pipe (10) is provided with nozzles (11) distributed at equal distances, and the other end of the water suction pipe (13) is connected to the filter cartridge (14) at the drainage hole (23). One end of the drainage pipe (4) and the delivery pipe (10) are both installed with valves (26).

7. The waste liquid treatment device for a printing factory according to claim 1, characterized in that: A driving motor (8) is installed on the outer wall of the processing box (1) at one end of the main shaft (6), and the output shaft of the driving motor (8) is connected to the main shaft (6); a waterproof motor (18) is installed on the top outer wall of the filter cylinder (14) at the screw (17), and the output shaft of the waterproof motor (18) is connected to one end of the screw (17).

8. The waste liquid treatment device for a printing factory according to claim 7, characterized in that: The waterproof motor (18), the driving motor (8), the water pump (12) and the electric push rod (21) are connected to a switch via a wire, and the switch is connected to a power source via a wire.

Images