Papermaking wastewater precipitation recovery treatment device

Abstract

The invention belongs to the technical field of papermaking wastewater treatment, and particularly relates to a papermaking wastewater precipitation and recovery treatment device which comprises a plurality of bases A, an activated carbon and resin filtering barrel, a secondary sewage conveying device, a centrifugal power device, a secondary filtering barrel, a primary dosing, mixing and settling barrel and a dosing device are fixedly mounted on the upper end surfaces of the plurality of bases A respectively, and the activated carbon and resin filtering barrel is fixedly connected with the secondary sewage conveying device. According to the device disclosed by the invention, by arranging the primary dosing, mixing and precipitating barrel and the secondary filtering barrel, suspended matters and ammonia nitrogen are mixed with medicines in the primary dosing, mixing and precipitating barrel and then are precipitated, and then enter the secondary filtering barrel for filtering, so that the suspended matters and the ammonia nitrogen are fundamentally eliminated; the activated carbon and resin filtering barrel is arranged, so that chromaticity and total phosphorus remaining in sewage are removed, and the problem that materials need to be frequently replaced is solved due to the fact that activated carbon and resin are long in service life.

Description

Technical Field

[0001] The invention relates to the technical field of papermaking wastewater treatment, in particular to a papermaking wastewater sedimentation recovery treatment device. Background Art

[0002] Wastewater treatment is a crucial link in the papermaking industry. In the papermaking process, due to pulping, papermaking and sludge treatment, wastewater containing a large amount of organic matter, suspended matter, chromaticity and other pollutants will be generated. If these wastewaters are directly discharged without effective treatment, they will cause serious pollution to the environment, affect the ecological balance of water bodies, and bring great troubles to people's production and life.

[0003] At present, the treatment technologies for papermaking wastewater mainly include sedimentation, flotation, filtration, biological treatment, magnetic separation and other methods. However, each method has its limitations. For example, the Chinese patent with application number 202110068216.1 discloses a papermaking wastewater sedimentation recovery device for papermaking, which relates to the field of papermaking wastewater treatment technology. In order to solve the problem that the filter screen is subjected to great pressure when squeezing wastewater, which easily causes the filter screen to be damaged; it mainly prevents the filter screen from being damaged by continuously raising the water level in the sedimentation bin through the filter screen, but this solution requires manual cleaning of the filter screen when there is too much sediment remaining on the filter screen; In addition to the problems in the above patents, the most critical problem of existing papermaking wastewater treatment is that the sewage treatment is not thorough and a variety of different debris need to be treated multiple times. Therefore, this application proposes a papermaking wastewater sedimentation recovery treatment device. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a papermaking wastewater sedimentation recovery treatment device to solve the problem.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a papermaking wastewater sedimentation and recovery device, comprising a base A, wherein a plurality of bases A are provided, and an activated carbon and resin filter barrel, a sewage secondary conveying device, a centrifugal power device, a secondary filter barrel, a first dosing mixed sedimentation barrel and a dosing device are respectively fixedly installed on the upper end surfaces of the plurality of bases A, the activated carbon and resin filter barrel is fixedly connected to the sewage secondary conveying device, the sewage secondary conveying device is fixedly connected to the secondary filter barrel, the secondary filter barrel is fixedly connected to one end of the sewage conveying device, the other end of the sewage conveying device is fixedly connected to the first dosing mixed sedimentation barrel, the first dosing mixed sedimentation barrel is fixedly connected to the dosing device, and the centrifugal power device and the secondary filter barrel are mechanically matched and connected.

[0006] As a preferred technical solution of the present invention, the secondary filter barrel includes a tank body A fixedly connected to the base A, the cross-section of the tank body A is a cylindrical surface, a rotation stabilizing ring B is provided on the side of the tank body A close to the base A, and a rotation stabilizing ring A is provided on the side of the tank body A away from the base A. A backwash device is fixedly installed on one side of the cylindrical surface of the tank body A, a top cover A is fixedly installed on the upper end surface of the tank body A, a waste residue outlet is fixedly installed on the bottom of the secondary filter barrel through the base A, a filter assembly is also fixedly installed inside the secondary filter barrel, and a normally closed pressure relief valve is also provided on the upper end surface of the top cover A.

[0007] As a preferred technical solution of the present invention, the filter assembly includes a filter barrel fixedly connected to the waste residue outlet and the rotating stabilizing ring A, a plurality of dirt scrapers are fixedly installed on the inner side of the filter barrel, a filter membrane is fixedly connected to the lower end surface of the top cover A, an inner filter water channel is arranged at the center of the filter membrane, a water guide plate is also arranged at the bottom of the filter membrane, a water diversion cover is also arranged at the top of the filter membrane, an internal pressure reducing cover is also fixedly installed between the inside of the water diversion cover and the filter membrane, a barrel filter water outlet is arranged at the lower end of the inner filter water channel, and a water changing area is also arranged outside the barrel filter water outlet.

[0008] As a preferred technical solution of the present invention, the first dosing mixing sedimentation barrel includes a tank body B fixedly mounted on the base A, and a motor bracket fixedly mounted on the base A. A top cover is fixedly mounted on the upper end surface of the tank body B, a sewage pipe connecting flange is fixedly mounted on the upper side of the top cover, a motor is sleeved inside the motor bracket, the motor bracket is fixedly mounted on the bottom of the base A, and a stirring blade is fixedly mounted on the upper end of the motor.

[0009] As a preferred technical solution of the present invention, the sewage conveying device includes a variable diameter sewage pipe A with one end fixedly connected to the secondary filter barrel, and a pressurized water pump B is fixedly installed on the other end of the variable diameter sewage pipe A, and a variable diameter sewage pipe B is fixedly installed on the other end of the pressurized water pump B, and the variable diameter sewage pipe B passes through the top cover and extends to the bottom of the tank body B.

[0010] As a preferred technical solution of the present invention, the dosing device includes a drug pump bracket fixedly connected to the base A, the upper end surface of the drug pump bracket is fixedly installed with a base, the upper end surface of the base is fixedly installed with a dosing pump, one end of a drug spray pipe is fixedly installed on one side of the base, the other end of the drug spray pipe is fixedly installed on one side of the tank body B, one end of a plurality of drug extraction pipes are fixedly installed on the other side of the base, the other end of any of the drug extraction pipes is fixedly installed with a medicine barrel, and the medicine barrel is fixedly installed on the base A.

[0011] As an optimal technical solution of the present invention, the secondary sewage transportation device includes a pressurized water pump A fixedly connected to the base A, and a sewage transportation pipe A connecting the secondary filter barrel and the pressurized water pump A, and the activated carbon and resin filter barrel and the pressurized water pump A respectively.

[0012] As a preferred technical solution of the present invention, two centrifugal power devices are provided, and the centrifugal power devices and the rotating stabilizing ring B are mechanically connected.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The invention, by setting a first dosing mixing sedimentation tank and a second filtering tank, allows the suspended matter and ammonia nitrogen to be mixed with the drug in the first dosing mixing sedimentation tank and then precipitated, and then enter the second filtering tank for filtration, thereby fundamentally eliminating the suspended matter and ammonia nitrogen.

[0014] 2. This invention, by setting up activated carbon and resin filter barrels, can remove the chromaticity and total phosphorus remaining in the sewage. Also, because the activated carbon and resin have a long service life, the problem of frequent material replacement is solved.

[0015] 3. The invention, by arranging a backwash device and a dirt scraper, makes it unnecessary to frequently replace the filter of the device. The backwash device will reversely flush the filter after each operation to remove the dirt hidden inside. The function of the dirt scraper is to collect most of the suspended matter during the decontamination treatment, thereby reducing the coverage of the suspended matter on the filter, thereby improving the effect of wastewater treatment.

[0016] 4. The modular design of the invention allows it to be adaptively assembled according to different combinations and different needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a stereogram of the present invention; Figure 2 It is a stereogram of the present invention; Figure 3 for Figure 2 A magnified image; Figure 4 It is a front view of the present invention; Figure 5 for Figure 4 Sectional view in CC direction; Figure 6 for Figure 5 Enlarged view of point C; Figure 7 for Figure 5 Enlarged view of point B; Figure 8 for Figure 6 Enlarged view of point D; Fig. 9 It is a top view of the present invention.

[0018] In the figure: 1. Sewage conveying device; 101. Variable diameter sewage pipe A; 102. Pressurized water pump B; 103. Variable diameter sewage pipe B; Dosing device; 201, spraying pipe; 202, dosing pump; 203, base; 204, drug extraction pipe; 205, drug barrel; 206, drug pump bracket; 3. Centrifugal power device; Sewage secondary conveying device; 401, sewage conveying pipe A; 402, pressurized water pump A; Activated carbon and resin filter barrels; Secondary filter barrel; 601, top cover A; 602, tank body A; 603, rotating stabilizing ring A; 604, waste residue outlet; 605, rotating stabilizing ring B; 606, backwashing device; 607, normally closed pressure relief valve; 610, filter assembly; 611, filter membrane; 6111, water exchange area; 612, filtered water channel in the barrel; 6121, filtered water outlet in the barrel; 613, dirt scraper; 614, filter barrel; 615, water separation cover; 616, internal pressure relief cover; 7. Base A; 8. First dosing mixing and sedimentation barrel; 801. Sewage pipe connection flange; 802. Top cover; 803. Tank body B; 804. Stirring blades; 805. Motor; 806. Motor bracket. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0020] See also Figure 1-9The present invention provides the following technical solutions: a papermaking wastewater sedimentation recovery treatment device, comprising a base A7, a plurality of bases A7 are provided, and an activated carbon and resin filter barrel 5, a sewage secondary conveying device 4, a centrifugal power device 3, a secondary filter barrel 6, a first dosing mixed sedimentation barrel 8 and a dosing device 2 are fixedly installed on the upper end surfaces of the plurality of bases A7, the activated carbon and resin filter barrel 5 is fixedly connected to the sewage secondary conveying device 4, the sewage secondary conveying device 4 is fixedly connected to the secondary filter barrel 6, the secondary filter barrel 6 is fixedly connected to one end of the sewage conveying device 1, the other end of the sewage conveying device 1 is fixedly connected to the first dosing mixed sedimentation barrel 8, the first dosing mixed sedimentation barrel 8 is fixedly connected to the dosing device 2, and the centrifugal power device 3 and the secondary filter barrel 6 are mechanically matched and connected.

[0021] In this embodiment, four bases A7 are provided, and the activated carbon and resin filter barrel 5 is divided into an upper and lower layer, wherein the upper layer is provided with activated carbon particles, and the lower layer is provided with a strong alkaline acrylic anion exchange resin. The main function of the sewage secondary conveying device 4 is to pump the sewage that has been filtered in the secondary filter barrel 6 into the activated carbon and resin filter barrel 5 for the final filtration, and the dosing device 2 adds the color coagulant and polyferric chloride into the first dosing mixed sedimentation barrel 8, so that the color coagulant and polyferric chloride are mixed with the sewage to add a part of the color and most of the ammonia nitrogen for flocculation and precipitation, thereby achieving the effect of primary purification of sewage, and the main function of the sewage conveying device 1 is to pump the precipitated sewage out of the secondary filter barrel 6, and the secondary filter barrel 6 is powered by the centrifugal power device 3, so that the secondary filter barrel 6 generates centrifugal force, thereby achieving the effect of separating organic matter, suspended matter and flocculants.

[0022] Specifically, the secondary filter barrel 6 includes a tank body A602 fixedly connected to the base A7, and the cross-section of the tank body A602 is a cylindrical surface. A rotating stabilizing ring B605 is provided on the side of the tank body A602 close to the base A7, and a rotating stabilizing ring A603 is provided on the side of the tank body A602 away from the base A7. A backwash device 606 is fixedly installed on one side of the cylindrical surface of the tank body A602, and a top cover A601 is fixedly installed on the upper end surface of the tank body A602. A waste residue outlet 604 is fixedly installed on the bottom of the secondary filter barrel 6 through the base A7, a filter assembly 610 is also fixedly installed inside the secondary filter barrel 6, and a normally closed pressure relief valve 607 is also provided on the upper end surface of the top cover A601.

[0023] In this embodiment, the tank body A602 is mounted on the base A7 by bolts, and cylindrical rollers are arranged inside the rotating stabilizing ring B605 and the rotating stabilizing ring A603. The arrangement of the cylindrical rollers enables the centrifugal power device 3 to transmit power to the filter assembly 610 through the rotating stabilizing ring B605 and the rotating stabilizing ring A603. The backwash device 606 is connected to the tank body A602 by bolts. The backwash device 606 uses the water filtered on the outside of the filter device 610 in the secondary filter barrel 6 for backwashing (recycling of reclaimed water). The connection between the tank body A602 and the top cover A601 is welded. The waste residue outlet 604 adopts a differential structure to penetrate the base A7 and is installed on the filter assembly 610. When there is too much waste residue in the secondary filter barrel 6, the waste residue outlet 604 is opened and the backwash device 606 is started at the same time to flush out the waste residue.

[0024] Specifically, the filter assembly 610 includes a filter barrel 614 fixedly connected to the waste residue outlet 604 and the rotating stabilizing ring A603, a plurality of dirt scrapers 613 are fixedly installed on the inner side surface of the filter barrel 614, a filter membrane 611 is fixedly connected to the lower end surface of the top cover A601, an inner barrel filtered water channel 612 is arranged at the center of the filter membrane 611, a water guide plate is also arranged at the bottom of the filter membrane 611, a water diversion cover 615 is also arranged at the top of the filter membrane 611, an internal pressure reducing cover 616 is also fixedly installed between the inside of the water diversion cover 615 and the filter membrane 611, a barrel filtered water outlet 6121 is arranged at the lower end of the barrel filtered water channel 612, and a water changing area 6111 is also arranged outside the barrel filtered water outlet 6121.

[0025] In this embodiment, a large bearing for maintaining the stability of the filter barrel 614 is further provided between the filter barrel 614 and the rotating stabilizing ring A603. Two dirt scrapers 613 are welded on the inner side of the filter barrel 614. The function of the dirt scraper 613 is to scrape away most of the suspended matter and other dirt during high-speed operation to prevent the filter screen on the filter barrel 614 from being blocked with a large area, resulting in poor filtering effect. The connection between the top cover A601 and the filter membrane 611 adopts a membrane shell connection, a membrane shell is installed on the outside of the filter membrane 611, and the connection between the membrane shell and the top cover A601 adopts a threaded connection. The function of the water guide plate is to prevent the filtered water from the barrel from passing through The high-pressure water flowing out of the channel 612 directly impacts the waste residue outlet 604 and causes damage to the waste residue outlet. The main function of the water diversion cover 615 is to separate the waste water for filtration, so that one filter membrane 611 can perform two filtrations, thereby improving the filtration efficiency. The main function of the internal decompression cover 616 is to reduce the pressure of the filtered water from the filter membrane 611 from bottom to top and transport it to the filtered water channel 612 in the barrel. The main function of the water exchange area 6111 is to switch the filtered water from top to bottom in the filter membrane 611 to filtered water from bottom to top, thus achieving two filtrations, ensuring the filtration effect and saving the replacement of the filter membrane 611.

[0026] Specifically, the first dosing mixing sedimentation barrel 8 includes a tank body B803 fixedly installed on the base A7, and a motor bracket 806 fixedly installed on the base A7. A top cover 802 is fixedly installed on the upper end surface of the tank body B803, and a sewage pipe connecting flange 801 is fixedly installed on the upper side of the top cover 802. A motor 805 is sleeved in the motor bracket 806. The motor bracket 806 is fixedly installed at the bottom of the base A7, and a stirring blade 804 is fixedly installed on the upper end of the motor 805.

[0027] In this embodiment, the connection between the tank body B803 and the top cover 802 is welded, the connection between the top cover 802 and the sewage pipe connecting flange 801 is also welded, the connection between the motor bracket 806 and the motor 805 is bolted, the connection between the motor bracket 806 and the base A7 is also bolted, and the connection between the click 805 and the stirring blade 804 is keyed and bolted. The main function of the motor 805 is to drive the stirring blade 804 to mix the medicine added into the first dosing mixing sedimentation barrel 8 through the dosing device 2.

[0028] Specifically, the sewage conveying device 1 includes a variable diameter sewage pipe A101, one end of which is fixedly connected to the secondary filter barrel 6, and the other end of the variable diameter sewage pipe A101 is fixedly installed with a pressurized water pump B102, and the other end of the pressurized water pump B102 is fixedly installed with a variable diameter sewage pipe B103, and the variable diameter sewage pipe B103 passes through the top cover 802 and extends to the bottom of the tank body B803.

[0029] In this embodiment, the variable diameter sewage pipe A101 is connected to the secondary filter barrel 6 by a flange connection, the purpose of which is to facilitate disassembly when replacing the filter membrane 611. The pressure pump B102 is also connected to the variable diameter sewage pipe A101 by a flange connection. The variable diameter sewage pipe B103 does not extend to the bottom of the tank body B803 to avoid sucking in too much sediment. When too much sediment accumulates, the sewage outlet at the bottom of the first dosing mixing sedimentation barrel 8 will be opened for discharge.

[0030] Specifically, the dosing device 2 includes a drug pump bracket 206 fixedly connected to the base A7, a base 203 is fixedly installed on the upper end surface of the drug pump bracket 206, a dosing pump 202 is fixedly installed on the upper end surface of the base 203, one end of a drug spraying pipe 201 is fixedly installed on one side of the base 203, the other end of the drug spraying pipe 201 is fixedly installed on one side of the tank body B803, one end of a plurality of drug extraction pipes 204 are fixedly installed on the other side of the base 203, a drug barrel 205 is fixedly installed on the other end of any drug extraction pipe 204, and the medicine barrel 205 is fixedly installed on the base A7.

[0031] In this embodiment, the connection between the medicine pump bracket 206 and the base A7 is bolted, and the base 203 and the medicine pump bracket 206 are bolted. The base 203 and the medicine pump bracket 206 are both used to support the dosing pump 202. The connection between the spray pipe 201 and the base 203 is connected by a sealing gasket and a nut. Two medicine extraction pipes 204 are installed on one side of the base 203. The two medicine extraction pipes 204 respectively extract the medicine in the two medicine barrels 205, and pump them to the first dosing mixing sedimentation barrel 8 for mixing and sedimentation through the dosing pump 202.

[0032] Specifically, the sewage secondary conveying device 4 includes a pressurized water pump A402 fixedly connected to the base A7, and a sewage conveying pipe A401 connecting the secondary filter barrel 6 and the pressurized water pump A402, and the activated carbon and resin filter barrel 5 and the pressurized water pump A402 respectively.

[0033] In this embodiment, the pressure pump A402 is connected to the base A7 by bolts, and sewage is transported through the sewage transport pipe A401.

[0034] Specifically, two centrifugal power devices 3 are provided, and the centrifugal power devices 3 are mechanically connected to the rotating stabilizing ring B605.

[0035] In this embodiment, the two centrifugal power devices 3 jointly drive the rotating stabilizing ring B605 to rotate the filter barrel 614, thereby throwing out impurities.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A papermaking wastewater sedimentation recovery treatment device, comprising a base A (7), wherein the base A (7) is provided with a plurality of parts, characterized in that: An activated carbon and resin filter barrel (5), a sewage secondary conveying device (4), a centrifugal power device (3), a secondary filter barrel (6), a first dosing mixing sedimentation barrel (8) and a dosing device (2) are respectively fixedly mounted on the upper end surfaces of the plurality of bases A7; the activated carbon and resin filter barrel (5) is fixedly connected to the sewage secondary conveying device (4); the sewage secondary conveying device (4) is fixedly connected to the secondary filter barrel (6); the secondary filter barrel (6) is fixedly connected to one end of the sewage conveying device (1); the other end of the sewage conveying device (1) is fixedly connected to the first dosing mixing sedimentation barrel (8); the first dosing mixing sedimentation barrel (8) is fixedly connected to the dosing device (2); and the centrifugal power device (3) and the secondary filter barrel (6) are mechanically connected.

2. A papermaking wastewater sedimentation recovery treatment device according to claim 1, characterized in that: The secondary filtering barrel (6) comprises a tank body A (602) fixedly connected to the base A (7); the cross section of the tank body A (602) is a cylindrical surface; a rotating stabilizing ring B (605) is provided on a side of the tank body A (602) close to the base A (7); a rotating stabilizing ring A (603) is provided on a side of the tank body A (602) away from the base A (7); a backwashing device (606) is fixedly mounted on one side of the cylindrical surface of the tank body A (602); a top cover A (601) is fixedly mounted on the upper end surface of the tank body A (602); a waste residue outlet (604) is fixedly mounted on the bottom of the secondary filtering barrel (6) penetrating the base A (7); a filtering assembly (610) is also fixedly mounted inside the secondary filtering barrel (6); and a normally closed pressure relief valve (607) is also provided on the upper end surface of the top cover A (601).

3. A papermaking wastewater sedimentation recovery treatment device according to claim 2, characterized in that: The filter assembly (610) comprises a filter barrel (614) fixedly connected to a waste residue outlet (604) and a rotating stabilizing ring A (603); a plurality of dirt scrapers (613) are fixedly mounted on the inner side surface of the filter barrel (614); a filter membrane (611) is fixedly mounted on the lower end surface of the top cover A (601); an inner filter water channel (612) is arranged at the center of the filter membrane (611); a water guide plate is also arranged at the bottom of the filter membrane (611); a water separation cover (615) is also arranged at the top of the filter membrane (611); an internal pressure reducing cover (616) is also fixedly mounted between the inside of the water separation cover (615) and the filter membrane (611); an inner filter water outlet (6121) is arranged at the lower end of the inner filter water channel (612); and a water changing area (6111) is also arranged outside the inner filter water outlet (6121).

4. The device for recovering and treating wastewater from papermaking according to claim 1, characterized in that: The first-time dosing mixing sedimentation barrel (8) comprises a tank body B (803) fixedly mounted on the base A (7), and a motor bracket (806) fixedly mounted on the base A (7); a top cover (802) is fixedly mounted on the upper end surface of the tank body B (803); a sewage pipe connecting flange (801) is fixedly mounted on the upper side of the top cover (802); a motor (805) is sleeved in the motor bracket (806); the motor bracket (806) is fixedly mounted on the bottom of the base A (7); and a stirring blade (804) is fixedly mounted on the upper end of the motor (805).

5. The device for recovering and treating wastewater from papermaking according to claim 1, characterized in that: The sewage conveying device (1) comprises a variable-diameter sewage pipe A (101) having one end fixedly connected to the secondary filter barrel (6), a pressurized water pump B (102) being fixedly mounted on the other end of the variable-diameter sewage pipe A (101), and a variable-diameter sewage pipe B (103) being fixedly mounted on the other end of the pressurized water pump B (102), wherein the variable-diameter sewage pipe B (103) passes through the top cover (802) and extends to the bottom of the tank body B (803).

6. The device for recovering and treating wastewater from papermaking according to claim 1, characterized in that: The dosing device (2) comprises a drug pump bracket (206) fixedly connected to the base A (7), the upper end surface of the drug pump bracket (206) is fixedly mounted with a base (203), the upper end surface of the base (203) is fixedly mounted with a drug pump (202), one end of a drug spraying pipe (201) is fixedly mounted on one side of the base (203), the other end of the drug spraying pipe (201) is fixedly mounted on one side of the tank body B (803), one end of a plurality of drug extraction pipes (204) is fixedly mounted on the other side of the base (203), the other end of any of the drug extraction pipes (204) is fixedly mounted with a drug barrel (205), and the drug barrel (205) is fixedly mounted on the base A (7).

7. The device for recovering and treating wastewater from papermaking according to claim 1, characterized in that: The sewage secondary conveying device (4) comprises a pressurized water pump A (402) fixedly connected to the base A (7), and a sewage conveying pipe A (401) respectively connecting the secondary filter barrel (6) and the pressurized water pump A (402), and the activated carbon and resin filter barrel (5) and the pressurized water pump A (402).

8. The device for recovering and treating wastewater from papermaking according to claim 1, characterized in that: Two centrifugal power devices (3) are provided, and the centrifugal power devices (3) are mechanically connected to the rotating stabilizing ring B (605).

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