Device for treating and recycling sewage generated by papermaking

Abstract

A papermaking sewage treatment and recovery device comprises a settling pond, a filtering assembly and a heating assembly, a water inlet is formed in the middle of one end of the settling pond, a water outlet is formed in the bottom of the other end of the settling pond, a containing space is formed in the bottom of the settling pond, and a partition plate is fixed to the top of the containing space; the filtering assembly comprises a filtering part and a material taking part, the filtering part is arranged in the sedimentation tank, the material taking part is mounted on the side wall of the sedimentation tank, and the material taking part is fixedly connected with the top of the bottom plate; the heating assembly is arranged in the accommodating space; the filtering assembly is arranged to slow down the flow speed of sewage, fiber paper pulp flocs which cannot pass through the filtering assembly are gradually settled in the settling pond, and the heating assembly is arranged to heat the fiber paper pulp flocs to evaporate water in the fiber paper pulp flocs, so that the fiber paper pulp flocs are completely settled.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment and recovery device generated by papermaking. Background Art

[0002] Toilet paper, primarily used for daily hygiene, is an indispensable type of paper for the general public. The production process for toilet paper consists of two basic steps: pulping and papermaking. Pulping involves the mechanical, chemical, or a combination of both methods to break down plant fiber raw materials into natural or bleached pulp. Papermaking involves combining pulp fibers suspended in water through various processes to create paper that meets various requirements. The papermaking process generates a large amount of wastewater, primarily containing pulp and other debris. Therefore, wastewater treatment is required before discharge.

[0003] The prior art CN211199900U discloses a toilet paper production wastewater treatment device, comprising a drying chamber, a material guiding device provided in the drying chamber, toilet paper provided on the material guiding device, an inner wall of the drying chamber fixedly connected to a squeezing device, and a bottom of the drying chamber fixedly connected to a sewage treatment device, wherein the sewage treatment device comprises a collecting tank, the top of the collecting tank is fixedly connected to the bottom of the drying chamber, a heat conduction pipe is provided in the collecting tank, the left end of the heat conduction pipe passes through the collecting tank and is fixedly connected to a circulation pipe 1; it can be seen that the sewage from toilet paper production in the prior art is in direct contact with the heat conduction pipe in a spiral shape, which causes the pulp to stick to the heat conduction pipe more easily during operation, which not only easily corrodes the heat conduction pipe, but also makes the pulp stuck on the heat conduction pipe difficult to clean, and the sewage flow rate is too fast, which easily carries away the pulp, resulting in waste of pulp; therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a wastewater treatment and recovery device generated by papermaking, so as to solve the above-mentioned problem that pulp is easily attached to the heating pipe and causes corrosion, which makes it inconvenient to collect the pulp later and causes waste of pulp.

[0005] A wastewater treatment and recovery device generated by papermaking, comprising

[0006] A sedimentation tank, wherein a water inlet is provided in the middle of one end of the sedimentation tank, a water outlet is provided at the bottom of the other end, a holding space is provided at the bottom of the sedimentation tank, and a partition is fixed on the top of the holding space;

[0007] A filter assembly, the filter assembly comprising a filter portion and a feed portion, the filter portion comprising a first filter plate, a second filter plate, and a bottom plate, the bottom of the bottom plate being in contact with the top of the partition plate, the first filter plate and the second filter plate being sequentially arranged in the sedimentation tank in a direction from one end of the water inlet to one end of the water outlet, and the bottoms of the first filter plate and the second filter plate being fixedly connected to the top of the bottom plate, the feed portion being mounted on a side wall of the sedimentation tank, and the feed portion being fixedly connected to the top of the bottom plate;

[0008] A heating component is arranged inside the accommodating space.

[0009] Preferably, the first filter plate is provided with a plurality of first through holes, and the second filter plate is provided with a plurality of second through holes.

[0010] Preferably, the aperture of the first through hole is larger than the aperture of the second through hole.

[0011] Preferably, the material-taking part includes a forward and reverse motor, a screw rod, a connecting plate, a fixed plate and a U-shaped plate, the fixed plate is fixed to the bottom of the outer wall of the sedimentation tank, the forward and reverse motor is fixed to the top of the fixed plate, the output end of the forward and reverse motor is fixedly connected to one end of the screw rod, the connecting plate is sleeved on the outer wall of the screw rod, and the connecting plate is threadedly connected to the screw rod, the U-shaped plate is clamped on one side outer wall of the sedimentation tank, the end of the U-shaped plate located in the sedimentation tank is fixedly connected to the top of the bottom plate, the end of the U-shaped plate located outside the sedimentation tank is fixedly connected to one end of the connecting plate, and a counterweight is fixed to the bottom of the connecting plate away from the sedimentation tank.

[0012] Preferably, the heating assembly includes a heater, a heat circulation pipe and a water pump, the heater outlet is fixedly connected to the water pump inlet, the water pump outlet is fixedly connected to the heat circulation pipe inlet, and the heat circulation pipe outlet is fixedly connected to the heater inlet.

[0013] Preferably, the heat circulation pipe is serpentine-shaped and is arranged in the accommodating space.

[0014] Preferably, a first chute and a second chute are provided on both side walls of the sedimentation tank, the side edge of the first filter plate is slidably connected to the first chute, and the second filter plate is slidably connected to the second chute.

[0015] Preferably, the device further comprises a controller, which is electrically connected to the heater and the forward and reverse motor.

[0016] Preferably, waterproof tape is fixed around the partition.

[0017] The utility model discloses the following technical effects: the utility model discloses a wastewater treatment and recovery device generated by papermaking, which separates the heat circulation pipe at the bottom of the sedimentation tank from the wastewater by arranging a partition, reduces direct contact between the wastewater and the heat circulation pipe, and prevents the wastewater from being corroded; the flow rate of the wastewater is slowed down by arranging a first filter plate and a second filter plate, so that the flow rate of the wastewater in the sedimentation tank is lower, so that the fiber pulp flocs that cannot pass through the first through hole and the second through hole are gradually settled on the bottom plate, and at the same time, the moisture in the fiber pulp flocs is evaporated through the heat circulation pipe, so as to accelerate the precipitation of the fiber pulp flocs, and when the accumulation reaches a certain level, the forward and reverse motors are turned on to drive the screw to rotate, thereby driving the connecting plate to move upward, and the connecting plate drives the U-shaped plate to move upward, thereby driving the bottom plate to move up, and as the bottom plate moves up, the fiber pulp flocs are taken out of the sedimentation tank, so as to achieve the purpose of removing all the fiber pulp flocs at one time, and avoid the problem of clogging of the sedimentation tank due to incomplete cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 : A top view of a wastewater treatment and recovery device generated by papermaking according to the utility model;

[0020] Figure 2 : AA cross-sectional view of a wastewater treatment and recovery device generated by papermaking according to the utility model;

[0021] Figure 3 : BB cross-sectional view of a wastewater treatment and recovery device generated by papermaking according to the utility model;

[0022] Figure 4 : Schematic diagram of the heat circulation pipe structure of the utility model;

[0023] Figure 5 : Schematic diagram of the structure of the first filter plate of the utility model;

[0024] Figure 6 : Schematic diagram of the structure of the second filter plate of the utility model;

[0025] Figure 7 : Schematic diagram of the filter structure of the utility model;

[0026] Specifically, 1 is a sedimentation tank, 2 is a water inlet, 3 is a water outlet, 4 is a first filter plate, 5 is a second filter plate, 6 is a bottom plate, 7 is a forward and reverse motor, 8 is a screw rod, 9 is a connecting plate, 10 is a U-shaped plate, 11 is a counterweight block, 12 is a fixed plate, 13 is a first through hole, 14 is a second through hole, 15 is an accommodating space, 16 is a partition, 17 is a heat circulation pipe, 18 is a first chute, 19 is a second chute, 20 is a heater, and 21 is a water pump. DETAILED DESCRIPTION

[0027] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0029] Example 1:

[0030] A wastewater treatment and recovery device generated by papermaking, comprising

[0031] The purpose is to avoid the problem of clogging of the sedimentation tank 1 due to incomplete cleaning. The sedimentation tank 1 is provided with a water inlet 2 in the middle of one end and a water outlet 3 at the bottom of the other end. A receiving space 15 is provided at the bottom of the sedimentation tank 1, and a partition 16 is fixed on the top of the receiving space 15;

[0032] The filter assembly includes a filter portion and a material taking portion. The filter portion includes a first filter plate 4, a second filter plate 5, and a bottom plate 6. The bottom of the bottom plate 6 is in contact with the top of the partition 16. The first filter plate 4 and the second filter plate 5 are sequentially arranged in the sedimentation tank 1 along the direction from one end of the water inlet 2 to one end of the water outlet 3. The bottoms of the first filter plate 4 and the second filter plate 5 are fixedly connected to the top of the bottom plate 6. The material taking portion is installed on the side wall of the sedimentation tank 1, and the material taking portion is fixedly connected to the top of the bottom plate 6.

[0033] The heating component is arranged inside the accommodating space 15.

[0034] In this embodiment, a plurality of first through holes 13 are provided on the first filter plate 4 , and a plurality of second through holes 14 are provided on the second filter plate 5 .

[0035] In this embodiment, the diameter of the first through hole 13 is larger than the diameter of the second through hole 14 .

[0036] The utility model is provided with a first filter plate 4 and a second filter plate 5, which separate and deposit fiber pulp flocs of different sizes in different areas through the first through holes 13 and the second through holes 14, so as to facilitate subsequent recycling.

[0037] In this embodiment, the material taking part includes a forward and reverse motor 7, a screw rod 8, a connecting plate 9, a fixed plate 12 and a U-shaped plate 10. The fixed plate 12 is fixed to the bottom of the outer wall of the sedimentation tank 1, the forward and reverse motor 7 is fixed to the top of the fixed plate 12, the output end of the forward and reverse motor 7 is fixedly connected to one end of the screw rod 8, the connecting plate 9 is sleeved on the outer wall of the screw rod 8, and the connecting plate 9 is threadedly connected to the screw rod 8, the U-shaped plate 10 is stuck on one side of the outer wall of the sedimentation tank 1, the end of the U-shaped plate 10 located in the sedimentation tank 1 is fixedly connected to the top of the bottom plate 6, the end of the U-shaped plate 10 located outside the sedimentation tank 1 is fixedly connected to one end of the connecting plate 9, and a counterweight block 11 is fixed to the bottom of the side of the connecting plate 9 away from the sedimentation tank 1.

[0038] The utility model is provided with a U-shaped plate 10 which is driven up and down by a forward and reverse motor 7 and a screw rod 8 to facilitate the removal of the settled fiber pulp flocs. A counterweight block 11 is provided to prevent the U-shaped plate 10 from tipping over due to excessive sedimentation weight.

[0039] In this embodiment, the heating assembly includes a heater 20, a heat circulation pipe 17 and a water pump 21. The outlet of the heater 20 is fixedly connected to the inlet of the water pump 21, the outlet of the water pump 21 is fixedly connected to the inlet of the heat circulation pipe 17, and the outlet of the heat circulation pipe 17 is fixedly connected to the inlet of the heater 20.

[0040] The utility model heats the water flow through the heater 20 and is pumped into the heat circulation pipe 17 to heat and evaporate the fiber pulp flocs. After the temperature is reduced, the water flow returns to the heater 20 to continue heating and use. The water flow is recycled, avoiding waste of resources.

[0041] In this embodiment, the heat circulation pipe 17 is serpentine-shaped and is disposed in the accommodation space 15 .

[0042] The heat circulation pipe 17 of the utility model increases the heating area, accelerates the evaporation rate, and improves the precipitation efficiency.

[0043] In this embodiment, a first chute 18 and a second chute 19 are provided on both side walls of the sedimentation tank 1 , the side of the first filter plate 4 is slidably connected to the first chute 18 , and the second filter plate 5 is slidably connected to the second chute 19 .

[0044] In this embodiment, a controller is further included, and the controller is electrically connected to the heater 20 and the forward and reverse motor 7.

[0045] In this embodiment, waterproof strips are fixed around the partition 16 .

[0046] The utility model is provided with a waterproof rubber strip to prevent sewage from seeping in.

[0047] The working principle of the present utility model: The present utility model discloses a wastewater treatment and recovery device generated by papermaking. The wastewater generated by papermaking enters the sedimentation tank 1 through the water inlet 2, passes through the first filter plate 4 and the second filter plate 5 in sequence, and the fiber pulp flocs that cannot pass through the first through hole 13 and the second through hole 14 are retained in the corresponding area. The water flow is heated by the heater 20 and passed into the heat circulation pipe 17. The fiber pulp flocs are heated by the heat circulation pipe 17 to evaporate the water inside the fiber pulp flocs, so that they are further precipitated. When the accumulation reaches a certain level, the forward and reverse motors 7 are turned on to drive the screw rod 8 to rotate, and then drive the connecting plate 9 to move upward. The connecting plate 9 drives the U-shaped plate 10 to move upward, and then drives the bottom plate 6 to move upward. As the bottom plate 6 moves upward, the fiber pulp flocs are taken out of the sedimentation tank 1, so as to achieve the purpose of removing all the fiber pulp flocs at one time, avoiding the problem of clogging of the sedimentation tank due to incomplete cleaning.

[0048] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0049] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A wastewater treatment and recovery device generated by papermaking, characterized in that: include: A sedimentation tank, wherein a water inlet is provided in the middle of one end of the sedimentation tank, a water outlet is provided at the bottom of the other end, a holding space is provided at the bottom of the sedimentation tank, and a partition is fixed on the top of the holding space; A filter assembly, the filter assembly comprising a filter portion and a feed portion, the filter portion comprising a first filter plate, a second filter plate, and a bottom plate, the bottom of the bottom plate being in contact with the top of the partition plate, the first filter plate and the second filter plate being sequentially arranged in the sedimentation tank in a direction from one end of the water inlet to one end of the water outlet, and the bottoms of the first filter plate and the second filter plate being fixedly connected to the top of the bottom plate, the feed portion being mounted on a side wall of the sedimentation tank, and the feed portion being fixedly connected to the top of the bottom plate; A heating component is arranged inside the accommodating space.

2. The wastewater treatment and recovery device generated by papermaking according to claim 1, characterized in that: The first filter plate is provided with a plurality of first through holes, and the second filter plate is provided with a plurality of second through holes.

3. The wastewater treatment and recovery device generated by papermaking according to claim 2, characterized in that: The first through hole has a larger aperture than the second through hole.

4. The wastewater treatment and recovery device generated by papermaking according to claim 1, characterized in that: The material-taking part includes a forward and reverse motor, a screw rod, a connecting plate, a fixed plate and a U-shaped plate. The fixed plate is fixed to the bottom of the outer wall of the sedimentation tank, the forward and reverse motor is fixed to the top of the fixing plate, the output end of the forward and reverse motor is fixedly connected to one end of the screw rod, the connecting plate is sleeved on the outer wall of the screw rod, and the connecting plate is threadedly connected to the screw rod, the U-shaped plate is clamped on one side outer wall of the sedimentation tank, the end of the U-shaped plate located in the sedimentation tank is fixedly connected to the top of the bottom plate, the end of the U-shaped plate located outside the sedimentation tank is fixedly connected to one end of the connecting plate, and a counterweight is fixed to the bottom of the connecting plate away from the sedimentation tank.

5. The wastewater treatment and recovery device generated by papermaking according to claim 4, characterized in that: The heating assembly includes a heater, a heat circulation pipe and a water pump. The heater outlet is fixedly connected to the water pump inlet, the water pump outlet is fixedly connected to the heat circulation pipe inlet, and the heat circulation pipe outlet is fixedly connected to the heater inlet.

6. The wastewater treatment and recovery device generated by papermaking according to claim 5, characterized in that: The heat circulation pipe is serpentine-shaped and is arranged in the accommodation space.

7. The wastewater treatment and recovery device generated by papermaking according to claim 1, characterized in that: A first chute and a second chute are provided on both side walls of the sedimentation tank. The side edge of the first filter plate is slidably connected to the first chute, and the second filter plate is slidably connected to the second chute.

8. The wastewater treatment and recovery device generated by papermaking according to claim 5, characterized in that: The device further comprises a controller which is electrically connected to the heater and the forward and reverse motor.

9. The wastewater treatment and recovery device generated by papermaking according to claim 7, characterized in that: Waterproof adhesive strips are fixed around the partition.

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