Wastewater filter tank for pulping and papermaking
By introducing a cleaning structure and water flow cleaning into the wastewater filter box, the problems of filter plate clogging and filter residue recovery are solved, achieving high-efficiency filtration and filter residue recovery.
Patent Information
- Application Number
- CN202520063601.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing wastewater filter boxes are difficult to clean after filtering fiber fragments, are prone to clogging, and have difficulty in recovering filter residue.
A wastewater filtration box comprising a filter plate, a cleaning structure, a nozzle, a guide plate, and a filter screen was designed. The scraper driven by a motor removes fiber fragments, and the filter residue is cleaned and collected by water flow to prevent clogging and achieve filter residue recycling.
It effectively prevents filter plate clogging, maintains long-term filtration effect, and facilitates the recycling of filter residue.
Smart Images
Figure CN223683115U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the papermaking technical field, concretely relates to a wastewater filter box of pulping and papermaking. BACKGROUND
[0002] Papermaking wastewater refers to the wastewater generated in the pulping and papermaking process. It includes pulping cooking waste liquid, washing wastewater, bleaching wastewater and paper machine white water. Papermaking wastewater is complex in composition and poor in biodegradability, and belongs to the industrial wastewater that is difficult to treat.
[0003] The existing wastewater filter box is not convenient for cleaning the filter plate after filtering the fiber fragments in the wastewater, the filter plate is easy to be blocked, the filtering effect is poor after long-term use, and the existing wastewater filter box is not convenient for collecting the filter residue, so it is difficult to recycle the filter residue. Therefore, we propose a wastewater filter box for pulping and papermaking. UTILITY MODEL CONTENTS
[0004] In order to overcome the above technical problems, the purpose of the utility model is to provide a wastewater filter box for pulping and papermaking, so as to solve the problems of the existing wastewater filter box in the background art, such as inconvenient cleaning of the filter plate after filtering the fiber fragments in the wastewater, easy blocking of the filter plate, poor filtering effect after long-term use, and inconvenient collection of filter residue, and difficult recycling of filter residue.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a wastewater filter box for pulping and papermaking, comprising a filter box shell, a filter chamber is formed in the inside of the filter box shell, a water inlet pipe is fixedly connected to the top of the filter chamber, a filter plate is fixedly connected to the inner wall of the filter chamber, a cleaning structure is arranged in the inside of the filter box shell, the cleaning structure comprises a motor, the output end of the motor is fixedly connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a rotating plate, the surface of the rotating plate is fixedly connected with a scraper, a cleaning chamber is formed in the inside of the filter box shell, a spray head is fixedly connected to the inner wall top of the cleaning chamber, a guide plate one is fixedly connected to the inner wall surface of the cleaning chamber, a filter box is fixedly connected to the surface of one side of the filter box shell, a filter screen is movably connected to the top of the filter box, a guide plate two is fixedly connected to the inner wall surface of the cleaning chamber, and a drain pipe is fixedly connected to the bottom of the filter chamber.
[0006] Preferably, the cross section of the filter chamber is semicircular, the filter plate is matched with the filter chamber, the cross section of the cleaning chamber is rectangular, and the side surface of the scraper is not in contact with the inner wall of the cleaning chamber.
[0007] Preferably, the motor is fixedly connected to the top of the filter box shell, the cross section of the scraper is in U shape, the inner side surface of the scraper is fixedly connected to the surface of the rotating plate, and the outer side surface of the scraper is attached to the inner wall of the filter bin.
[0008] Preferably, the surface of the scraper is provided with a rubber pad.
[0009] Preferably, the top of the nozzle is connected with an external water tank and a water pump.
[0010] Preferably, the guide plate one is obliquely arranged, the surface of the filter box shell is provided with a square groove one, and the end of the guide plate one away from the filter plate penetrates through the surface of the filter box shell through the square groove one.
[0011] Preferably, the guide plate two is obliquely arranged, the oblique direction of the guide plate two is opposite to that of the guide plate one, a square groove two is arranged below the square groove one, a square groove three is arranged on the surface of the filter box, and the end of the filter box away from the drain pipe is fixedly connected to the inside of the filter screen through the square groove two and the square groove three.
[0012] Compared with the prior art, the filter box has the following beneficial effects:
[0013] 1. The filter box is provided with a filter plate and a cleaning structure, waste water is introduced into the filter bin through the water inlet pipe, the fiber fragments in the waste water are filtered through the filter plate, the rotating plate drives the scraper to rotate through the motor, the fiber fragments on the side wall of the filter bin and the surface of the filter plate are scraped off and pushed to the surface of the guide plate one, the filter plate is prevented from being blocked by the fiber fragments through the cleaning structure, and the filtering effect is prevented from being reduced after long time use.
[0014] 2. The filter box is provided with a nozzle, a guide plate one, a filter box, a filter screen and a guide plate two, the fiber fragments pushed to the surface of the guide plate one are washed by the water flow sprayed by the nozzle, the fiber fragments are prevented from adhering to the surface of the rotating plate and the scraper, the fiber fragments on the surface of the guide plate one are made to enter the filter screen along with the water flow, the fiber fragments are left in the filter screen, the water flows down from the filter screen and returns to the filter box along the guide plate two, is discharged from the drain pipe, the filter screen can be taken out of the filter box, the filter residue can be collected and recycled. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure front view schematic diagram of the utility model;
[0016] Figure 2 It is a structure front view sectional view of the utility model;
[0017] Figure 3 The structure of the utility model is a sectional view from the top view;
[0018] Figure 4 The structure of the utility model is a sectional view from the top view;
[0019] Figure 5 The structure of the utility model is a sectional view from the top view.
[0020] In the figure: 1, filter box shell; 2, filter bin; 3, water inlet pipe; 4, filter plate; 5, cleaning structure; 51, motor; 52, rotating shaft; 53, rotating plate; 54, scraper; 6, cleaning bin; 7, spray head; 8, guide plate one; 9, filter box; 10, filter screen; 11, guide plate two; 12, drain pipe. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-5 The utility model provides an embodiment:
[0023] The utility model provides a kind of pulping papermaking waste water filter box, including filter box shell 1, the inside of filter box shell 1 is opened with filter bin 2, the top of filter bin 2 is fixedly connected with inlet pipe 3, the inner wall of filter bin 2 is fixedly connected with filter plate 4, the inside of filter box shell 1 is provided with cleaning structure 5, cleaning structure 5 includes motor 51, the output of motor 51 is fixedly connected with rotating shaft 52, the bottom of rotating shaft 52 is fixedly connected with rotating plate 53, the surface of rotating plate 53 is fixedly connected with scraper 54, the inside of filter box shell 1 is opened with washing bin 6, the inner wall top of washing bin 6 is fixedly connected with shower head 7, the inner wall surface of washing bin 6 is fixedly connected with guide plate one 8, the surface of one side of filter box shell 1 is fixedly connected with filter box 9, the top of filter box 9 is movably connected with filter screen 10, the inner wall surface of washing bin 6 is fixedly connected with guide plate two 11, the bottom of filter bin 2 is fixedly connected with drain pipe 12, be provided with filter plate 4 and cleaning structure 5, by inlet pipe 3 with waste water is guided into filter bin 2, by filter plate 4 with the fiber fragments in waste water is filtered, by motor 51 with rotating shaft 52 rotation, so that rotating plate 53 with scraper 54 rotates, the fiber fragments on the surface of filter bin 2 side wall and filter plate 4 are scraped down, and with rotation, fiber fragments are pushed to the surface of guide plate one 8, by cleaning structure 5 avoids filter plate 4 to be blocked by fiber fragments, avoids the case of reducing the filtering effect after long time use, be provided with shower head 7, guide plate one 8, filter box 9, filter screen 10 and guide plate two 11, after fiber fragments are pushed to the surface of guide plate one 8, by shower head 7 sprays water flow, the surface of rotating plate 53 and scraper 54 is washed, prevent fiber fragments from adhering to the surface of rotating plate 53 and scraper 54, and with water flow, the fiber fragments on the surface of guide plate one 8 enter filter screen 10, fiber fragments remain in filter screen 10, water flows down from filter screen 10 and returns to filter box along guide plate two 11, and is discharged from drain pipe 12, filter screen 10 can be taken out from filter box 9, convenient for the collection of filter residue, can be recycled to filter residue.
[0024] Further, the cross section of filter bin 2 is semicircular, filter plate 4 is in harmony with filter bin 2, the cross section of washing bin 6 is rectangular, the side surface of scraper 54 is not in contact with the inner wall of washing bin 6, and scraper 54 does not collide with the inner wall of washing bin 6 when rotating with rotating plate 53.
[0025] Further, motor 51 is fixedly connected to the top of filter box shell 1, the cross section of scraper 54 is U-shaped, the inner side surface of scraper 54 is fixedly connected with the surface of rotating plate 53, the outer side surface of scraper 54 is in close contact with the inner wall of filter bin 2, and the fiber fragments on the surface of filter bin 2 side wall and filter plate 4 can be scraped down when scraper 54 rotates with rotating plate 53.
[0026] Further, the surface of scraper 54 is provided with a rubber pad layer to avoid damage to the surface of filter bin 2 side wall and filter plate 4 when scraper 54 rotates.
[0027] Further, the top of the spray head 7 is connected with the external water tank and the water pump, and the water in the external water tank is pumped to the spray head 7 by the water pump to spray out, thereby cleaning the surfaces of the rotating plate 53 and the scraping plate 54 and pushing the fiber fragments on the surface of the guide plate one 8 into the filter screen 10.
[0028] Further, the guide plate one 8 is obliquely arranged, and the surface of the filter box shell 1 is provided with a square groove one, and the end of the guide plate one 8 away from the filter plate 4 penetrates the surface of the filter box shell 1 through the square groove one, and the water flow sprayed by the spray head 7 pushes the fiber fragments on the surface of the guide plate one 8 out of the square groove one and into the filter screen 10.
[0029] Further, the guide plate two 11 is obliquely arranged, and the inclination direction of the guide plate two 11 is opposite to that of the guide plate one 8, and the square groove two is arranged below the square groove one, and the surface of the filter box 9 is provided with a square groove three, and the end of the filter box 9 away from the drain pipe 12 is fixedly connected to the inside of the filter screen 10 through the square groove two and the square groove three, and the fiber fragments are left in the filter screen 10, and the water flows down from the filter screen 10 and returns to the filter box along the guide plate two 11 and is discharged from the drain pipe 12.
[0030] Working principle: in use, the wastewater is introduced into the filter bin 2 through the water inlet pipe 3, and the fiber fragments in the wastewater are filtered through the filter plate 4, and the rotating plate 53 is driven to rotate by the motor 51 to drive the scraping plate 54 to rotate, so that the fiber fragments on the side wall of the filter bin 2 and the surface of the filter plate 4 are scraped off and pushed to the surface of the guide plate one 8 by rotation, so as to avoid the filter plate 4 being blocked by the fiber fragments, and the water flow sprayed by the spray head 7 cleans the surfaces of the rotating plate 53 and the scraping plate 54 to prevent the fiber fragments from adhering to the surfaces of the rotating plate 53 and the scraping plate 54, and the fiber fragments on the surface of the guide plate one 8 are pushed into the filter screen 10 by the water flow, and the fiber fragments are left in the filter screen 10, and the water flows down from the filter screen 10 and returns to the filter box along the guide plate two 11 and is discharged from the drain pipe 12, and the filter screen 10 can be taken out from the filter box 9 to facilitate the collection of the filter residue.
[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. A pulp and paper mill waste water filter tank comprising a filter tank housing (1), characterized in that: The inside of the filter box shell (1) is provided with a filter bin (2), the top of the filter bin (2) is fixedly connected with a water inlet pipe (3), the inner wall of the filter bin (2) is fixedly connected with a filter plate (4), the inside of the filter box shell (1) is provided with a cleaning structure (5), the output end of the motor (51) is fixedly connected with a rotating shaft (52), the bottom of the rotating shaft (52) is fixedly connected with a rotating plate (53), the surface of the rotating plate (53) is fixedly connected with a scraper (54), the inside of the filter box shell (1) is provided with a cleaning bin (6), the inner wall top of the cleaning bin (6) is fixedly connected with a spray head (7), the inner wall surface of the cleaning bin (6) is fixedly connected with a guide plate one (8), one side surface of the filter box shell (1) is fixedly connected with a filter box (9), the top of the filter box (9) is movably connected with a filter screen (10), the inner wall surface of the cleaning bin (6) is fixedly connected with a guide plate two (11), the bottom of the filter bin (2) is fixedly connected with a drain pipe (12).
2. A pulp and papermaking waste water filter tank according to claim 1, characterized in that: The cross section of the filter bin (2) is semicircular, the filter plate (4) is matched with the filter bin (2), the cross section of the cleaning bin (6) is rectangular, the side surface of the scraper (54) is not in contact with the inner wall of the cleaning bin (6).
3. A pulp and paper making waste water filtering tank as claimed in claim 1 wherein: The motor (51) is fixedly connected to the top of the filter box shell (1), the cross section of the scraper (54) is U-shaped, the inner side surface of the scraper (54) is fixedly connected with the surface of the rotating plate (53), and the outer side surface of the scraper (54) is matched with the inner wall of the filter bin (2).
4. A pulp and paper making waste water filtering tank as claimed in claim 1 wherein: The surface of the scraper (54) is provided with a rubber pad.
5. A pulp and paper making waste water filtering tank as claimed in claim 1 wherein: The top of the spray head (7) is connected with an external water tank and a water pump.
6. A pulp and paper making waste water filtering tank as claimed in claim 1 wherein: The guide plate one (8) is inclined, a square groove one is formed in the surface of the filter box shell (1), and one end of the guide plate one (8) away from the filter plate (4) penetrates the surface of the filter box shell (1) through the square groove one.
7. A pulp and papermaking waste water filter tank according to claim 6, characterized in that The guide plate two (11) is inclined, the inclination direction of the guide plate two (11) is opposite to that of the guide plate one (8), a square groove two is formed below the square groove one, a square groove three is formed in the surface of the filter box (9), and one end of the filter box (9) away from the drain pipe (12) is fixedly connected in the inside of the filter screen (10) through the square groove two and the square groove three.