CN221720658U - A papermaking wastewater treatment device - Google Patents

Abstract

The utility model provides a papermaking wastewater treatment device, and mainly relates to the technical field of papermaking wastewater treatment. The utility model provides a papermaking effluent treatment plant, includes the waste water treatment pond, arrange coarse filter, fine filter, flocculation reaction pond, disinfection pond in proper order in the waste water treatment pond, the inside cooperation of coarse filter sets up the filter screen subassembly, the outside cooperation of coarse filter sets up driving motor, driving motor is connected with the filter screen subassembly transmission, the inside fixed filter layer that sets up of fine filter. The utility model has the beneficial effects that: the first filter screen is driven to reciprocate by the driving motor, so that the plurality of brush rollers are driven to rotate, the effect of cleaning the filter screen is achieved, and the filter screen is prevented from being blocked; the reciprocating motion of first filter screen can increase the area of contact of waste water and filter screen, and when a large amount of impurity was piled up to first filter screen bottom, waste water still can filter out around the filter mantle, is favorable to promoting the effect of sieving the treatment.

Description

A papermaking wastewater treatment device

Technical Field

The utility model mainly relates to the technical field of papermaking wastewater treatment, in particular to a papermaking wastewater treatment device.

Background Art

With the continuous development of economy and the shortage of water resources in daily life, there is an urgent need to improve the existing papermaking wastewater treatment technology so that the treated wastewater can be recycled again to improve the shortage of water resources.

When papermaking wastewater is initially treated, it needs to be screened to collect large objects in the papermaking wastewater; the papermaking wastewater enters the interior of the device through the water inlet pipe and will come into partial contact with the filter screen, and the filter screen is often difficult to fully utilize at a distance from the water inlet pipe. In the prior art, papermaking wastewater is generally screened through a fixed screen plate, resulting in a low utilization rate of the filter screen, thereby reducing the efficiency of screening the papermaking wastewater.

Utility Model Content

In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

A papermaking wastewater treatment device comprises a wastewater treatment tank, in which a coarse filter tank, a fine filter tank, a flocculation reaction tank and a disinfection tank are arranged in sequence, a filter assembly is arranged inside the coarse filter tank, a drive motor is arranged outside the coarse filter tank, the drive motor is connected to the filter assembly in a transmission manner, a filter layer is fixedly arranged inside the fine filter tank, the filter assembly comprises a first filter screen and a second filter screen, the first filter screen is located directly above the second filter screen, the second filter screen is fixedly connected to the inner wall of the coarse filter tank, slide rails are symmetrically fixed on the inner wall of the coarse filter tank, the slide rails are slidably connected to both sides of the first filter screen, and a plurality of brush rollers are arranged between the first filter screen and the second filter screen.

A U-shaped rod is fixed on one side of the first filter screen, and the U-shaped rod passes through the side wall of the coarse filter tank. A filter cover is fixedly arranged on the top of the first filter screen. The drive motor is connected to the first filter screen through a connecting rod transmission. A turntable is fixedly arranged on the drive motor, and a protrusion is fixedly arranged on the turntable. One end of the connecting rod is rotatably connected to the U-shaped rod and the other end is rotatably connected to the protrusion. The rotation of the turntable drives the first filter screen to reciprocate.

The two ends of the brush roller are rotatably connected to the inner wall of the coarse filter tank, the outer ring of the brush roller is symmetrically provided with gears, the bottom of the first filter screen is symmetrically provided with racks, the racks are meshed with the gears, and the first filter screen reciprocates to drive several brush rollers to rotate

The bottom of the inner wall of the coarse filter tank is inclined, a baffle is fixedly arranged at the bottom of the coarse filter tank near the fine filter tank, and a first pipeline is arranged at the side wall of the coarse filter tank near the baffle.

A first water pump is fixedly arranged near the top of the inner wall of the flocculation reaction tank, and a second pipeline is arranged in cooperation with the first water pump and is connected to the disinfection tank. A third pipeline is fixedly arranged at the bottom of the inner wall of the disinfection tank away from the flocculation reaction tank and is connected to external equipment.

A second water pump is fixedly arranged outside the wastewater treatment tank, a fourth pipe is fixedly arranged between the flocculation reaction tank and the coarse filtration tank, the second water pump is connected to the fourth pipe, one end of the fourth pipe passes through the side wall of the flocculation reaction tank and the other end is located at the top of the coarse filtration tank.

A fifth pipe is fixedly arranged at one end of the coarse filter tank away from the fine filter tank. The top end of the fifth pipe is arranged in an arc shape. A diffusion nozzle is fixedly arranged at the end of the fifth pipe.

The filter layer comprises a sand and gravel filter layer and an activated carbon filter layer which are arranged in sequence.

The coarse filter tank is communicated with the fine filter tank, and the fine filter tank is communicated with the flocculation reaction tank.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model has a simple structure and is easy to install and use. It drives the first filter screen to move back and forth through a driving motor, and then drives multiple brush rollers to rotate, so as to achieve the effect of cleaning the filter screen, which is beneficial to preventing the filter screen from being blocked; the reciprocating movement of the first filter screen can increase the contact area between the wastewater and the filter screen. When a large amount of impurities are accumulated at the bottom of the first filter screen, the wastewater can still be filtered out from around the filter cover, which is beneficial to improving the effect of screening treatment; by adding flocculant into the flocculation reaction tank, the remaining debris in the water is precipitated again, and the precipitated wastewater is pumped back into the coarse filter tank for secondary filtration, so as to achieve multiple precipitation and purification effects on the wastewater, and disinfectant is added into the disinfection tank to disinfect the clean water, so as to achieve the effect of secondary recycling of wastewater.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the structure of the utility model from the first viewing angle;

Figure 2 is a schematic diagram of the structure of the utility model from a second viewing angle;

Figure 3 is a schematic cross-sectional view of the utility model;

Figure 4 is a schematic diagram of the first structure of the first filter screen of the utility model;

Figure 5 is a schematic diagram of the second structure of the first filter screen of the utility model.

Numbers shown in the accompanying drawings: 1, wastewater treatment tank; 2, coarse filter tank; 201, baffle; 202, first pipeline; 3, fine filter tank; 4, flocculation reaction tank; 401, first water pump; 402, second pipeline; 5, disinfection tank; 501, third pipeline; 6, filter assembly; 601, first filter; 602, second filter; 603, U-shaped rod; 604, connecting rod; 605, filter cover; 606, rack; 7, drive motor; 8, filter layer; 9, second water pump; 10, fourth pipeline; 11, fifth pipeline; 1101, diffuser; 12, brush roller.

DETAILED DESCRIPTION

The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

In conjunction with the accompanying drawings, a papermaking wastewater treatment device includes a wastewater treatment tank 1, in which a coarse filter tank 2, a fine filter tank 3, a flocculation reaction tank 4, and a disinfection tank 5 are arranged in sequence, a filter assembly 6 is arranged inside the coarse filter tank 2, a drive motor 7 is arranged outside the coarse filter tank 2, and the drive motor 7 is connected to the filter assembly 6 in a transmission manner, a filter layer 8 is fixedly arranged inside the fine filter tank 3, the filter assembly 6 includes a first filter 601 and a second filter 602, the first filter 601 is located directly above the second filter 602 and is arranged at intervals, the second filter 602 is fixedly connected to the inner wall of the coarse filter tank 2, slide rails are symmetrically fixed on the inner wall of the coarse filter tank 2, the slide rails are slidably connected to both sides of the first filter 601, and a plurality of brush rollers 12 are arranged between the first filter 601 and the second filter 602.

A U-shaped rod 603 is fixed on one side of the first filter screen 601, and the U-shaped rod 603 passes through the side wall of the coarse filter tank 2. A filter cover 605 is fixedly arranged on the top of the first filter screen 601. Through this structural design, large impurities are collected in the filter cover 605 to reduce filter screen clogging. A support plate is fixedly arranged on the outside of the coarse filter tank 2, and a drive motor 7 is fixedly arranged on the top of the support plate. The drive motor 7 is connected to the first filter screen 601 through a connecting rod 604. A turntable is fixedly arranged on the drive motor 7, and a protrusion is fixedly arranged on the turntable. The protrusion is arranged away from the center of the turntable. One end of the connecting rod 604 is rotatably connected to the U-shaped rod 603 and the other end is rotatably connected to the protrusion. The rotation of the turntable drives the first filter screen 601 to move back and forth.

Both ends of the brush roller 12 are rotatably connected to the inner wall of the coarse filter tank 2 through bearings, the brush roller 12 is perpendicular to the movement direction of the first filter screen 601, gears are symmetrically arranged on the outer ring of the brush roller 12, and racks 606 are symmetrically arranged on the bottom of the first filter screen 601. The racks 606 are meshed with the gears, and the first filter screen 601 moves back and forth to drive several brush rollers 12 to rotate. This structural design is conducive to preventing large impurities from clogging the filter screen.

The bottom of the inner wall of the coarse filter tank 2 is inclined, and a baffle 201 is fixedly arranged at the bottom of the coarse filter tank 2 near the fine filter tank 3. This structural design is beneficial to reducing the entry of impurities into the fine filter tank 3. A first pipe 202 is arranged at the side wall of the coarse filter tank 2 near the baffle 201. Impurities are discharged through the first pipe 202, and the first pipe 202 is connected to an external impurity collection device.

A first water pump 401 is fixedly arranged near the top of the inner wall of the flocculation reaction tank 4, and a second pipe 402 is arranged in conjunction with the first water pump 401 and is connected to the disinfection tank 5. A third pipe 501 is fixedly arranged at the bottom of the inner wall of the disinfection tank 5 away from the flocculation reaction tank 4 and is connected to external equipment.

A second water pump 9 is fixedly arranged outside the wastewater treatment tank 1, and a fourth pipe 10 is fixedly arranged between the flocculation reaction tank 4 and the coarse filtration tank 2. The second water pump 9 is connected to the fourth pipe 10. One end of the fourth pipe 10 passes through the side wall of the flocculation reaction tank 4 and the other end is located at the top of the coarse filtration tank 2. Through this structural design, the wastewater can be filtered for a second time, thereby improving the filtering effect.

A fifth pipe 11 is fixedly arranged at one end of the outside of the coarse filter tank 2 away from the fine filter tank 3. The tail end of the fifth pipe 11 is connected to an external device to pressurize the wastewater into the coarse filter tank 2. The top of the fifth pipe 11 is arranged in an arc shape, and a diffusion nozzle 1101 is fixedly arranged at the end of the fifth pipe 11. Through this structural design, the area where the wastewater is sprayed onto the first filter screen 601 can be expanded.

The filter layer 8 includes a sand filter layer and an activated carbon filter layer which are arranged in sequence.

The coarse filter tank 2 is connected to the fine filter tank 3 , and the bottom of the fine filter tank 3 is connected to the bottom of the flocculation reaction tank 4 .

When the device is in use, papermaking wastewater is sprayed onto the first filter screen 601 through the fifth pipe 11 via an external device, and the driving motor 7 is started to drive the first filter screen 601 to move back and forth. The first filter screen 601 is meshed and connected with a plurality of brush rollers 12 through a rack 606 arranged at the bottom, thereby driving the brush rollers 12 to rotate, thereby achieving the effect of cleaning the first filter screen 601 and the second filter screen 602;

Impurities in the wastewater are discharged from the outside of the device through the first pipe 202, and the wastewater then overflows into the fine filter tank 3, undergoes double purification and filtration treatment through the filter layer 8, and then enters the flocculation reaction tank 4 from the bottom. The wastewater is flocculated and precipitated in the flocculation reaction tank 4. After the precipitation is completed, the upper clear liquid and solid impurities precipitated at the bottom are obtained. The second water pump 9 is started to pump the bottom impurities into the coarse filter tank 2 for a second filtration. The upper liquid enters the disinfection tank 5 through the second pipe 402, and after disinfection, the clean water is output to the outside through the third pipe 501.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A papermaking wastewater treatment device, which comprises a wastewater treatment tank (1), and is characterized in that: the utility model provides a waste water treatment pond (1) is arranged in proper order coarse filtration pond (2), fine filtration pond (3), flocculation reaction pond (4), disinfection pond (5), coarse filtration pond (2) inside cooperation sets up filter screen subassembly (6), coarse filtration pond (2) outside cooperation sets up driving motor (7), driving motor (7) are connected with filter screen subassembly (6) transmission, fine filtration pond (3) inside fixed filter layer (8) that sets up, filter screen subassembly (6) include first filter screen (601), second filter screen (602), first filter screen (601) are located second filter screen (602) directly over, second filter screen (602) and coarse filtration pond (2) inner wall fixed connection, the symmetrical fixed slide rail that sets up on the inner wall of coarse filtration pond (2), slide rail and first filter screen (601) both sides sliding connection, cooperation sets up several brush roller (12) between first filter screen (601) and the second filter screen (602).

2. A papermaking wastewater treatment apparatus according to claim 1, wherein: the U-shaped rod (603) is fixed on one side of the first filter screen (601), the U-shaped rod (603) penetrates through the side wall of the coarse filter tank (2), a filter cover (605) is fixedly arranged at the top of the first filter screen (601), a driving motor (7) is connected with the first filter screen (601) through a connecting rod (604) in a transmission mode, a rotary table is fixedly arranged on the driving motor (7), a lug is fixedly arranged on the rotary table, one end of the connecting rod (604) is rotationally connected with the U-shaped rod (603), the other end of the connecting rod is rotationally connected with the lug, and the rotary table rotationally drives the first filter screen (601) to reciprocate.

3. A papermaking wastewater treatment apparatus according to claim 2, wherein: the two ends of the brush roller (12) are rotationally connected with the inner wall of the coarse filter tank (2), gears are symmetrically arranged on the outer ring of the brush roller (12), racks (606) are symmetrically arranged on the bottom of the first filter screen (601), the racks (606) are meshed with the gears, and the first filter screen (601) moves in a reciprocating mode to drive the plurality of brush rollers (12) to rotate.

4. A papermaking wastewater treatment apparatus according to claim 1, wherein: the bottom of the inner wall of the coarse filter tank (2) is obliquely arranged, a baffle (201) is fixedly arranged at the bottom of the coarse filter tank (2) close to the fine filter tank (3), and a first pipeline (202) is arranged at the side wall of the coarse filter tank (2) close to the baffle (201).

5. A papermaking wastewater treatment apparatus according to claim 1, wherein: the flocculation reaction tank is characterized in that a first water pump (401) is fixedly arranged on the inner wall of the flocculation reaction tank (4) close to the top, a second pipeline (402) is arranged in a matched mode by the first water pump (401) and is communicated with the disinfection tank (5), and a third pipeline (501) is fixedly arranged on the bottom of the inner wall of the disinfection tank (5) away from the flocculation reaction tank (4) and is communicated with external equipment.

6. A papermaking wastewater treatment apparatus according to claim 1, wherein: the wastewater treatment pond (1) is outside fixed to be set up second water pump (9), set up fourth pipeline (10) between flocculation reaction pond (4) and the coarse filtration pond (2) fixedly, second water pump (9) are connected with fourth pipeline (10), fourth pipeline (10) one end is passed flocculation reaction pond (4) lateral wall and the other end is located coarse filtration pond (2) top.

7. A papermaking wastewater treatment apparatus according to claim 1, wherein: a fifth pipeline (11) is fixedly arranged at one end, far away from the fine filter tank (3), of the outer part of the coarse filter tank (2), the top end of the fifth pipeline (11) is arranged in an arc shape, and a diffusion nozzle (1101) is fixedly arranged at the end part of the fifth pipeline (11).

8. A papermaking wastewater treatment apparatus according to claim 1, wherein: the filter layer (8) comprises a sand filter layer and an active carbon filter layer which are sequentially arranged.

9. A papermaking wastewater treatment apparatus according to claim 1, wherein: the coarse filter (2) is communicated with the fine filter (3), and the fine filter (3) is communicated with the flocculation reaction tank (4).