Sewage treatment device

Abstract

The invention discloses a sewage treatment device, and belongs to the field of sewage treatment.The sewage treatment device comprises a treatment box, a primary filtering chamber, a secondary filtering chamber and a dosing chamber, the primary filtering chamber, the secondary filtering chamber and the dosing chamber are sequentially arranged in the treatment box, the two ends of the secondary filtering chamber communicate with the primary filtering chamber and the dosing chamber correspondingly, and a filtering cylinder is vertically and rotatably arranged in the secondary filtering chamber; the filter cartridge is connected with a rotary driving motor fixed at the top end of the treatment box through a belt pulley and a belt, and a backwashing mechanism is also arranged on one side of the filter cartridge and is communicated with a water outlet of the secondary filter chamber. By adopting the sewage treatment device, efficient, reliable and energy-saving sewage treatment is realized through multi-stage filtration, efficient backwashing, automatic operation and modular design, and the sewage treatment device is suitable for being applied to various sewage treatment scenes.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and in particular to a sewage treatment device. Background Art

[0002] With the continuous growth of the global population and the acceleration of industrialization, the problem of water pollution has become increasingly serious. Water pollution not only seriously affects the quality of life and health of human beings, but also causes irreversible damage to the natural ecosystem. The main sources of water pollution include industrial wastewater, agricultural wastewater, domestic sewage and medical wastewater. These pollution sources contain a large amount of organic matter, heavy metals, pathogenic microorganisms and other harmful substances. If these pollutants are directly discharged without proper treatment, they will cause serious pollution to the water body, leading to deterioration of water quality, disruption of ecological balance, and even triggering a public health crisis.

[0003] To meet this challenge, existing sewage treatment technologies usually require sewage to be filtered and treated with specific treatment agents. However, during the filtration process, pollutants tend to adhere to the surface of the filter cartridge, which not only reduces the filtration efficiency, but may also cause clogging of the filtration equipment and affect normal filtration operations. This problem not only increases maintenance costs, but may also affect the operating efficiency of the entire sewage treatment system, making it impossible to achieve the expected treatment effect. Summary of the invention

[0004] The purpose of the present invention is to provide a sewage treatment device to solve the above technical problems.

[0005] To achieve the above-mentioned purpose, the present invention provides a sewage treatment device, including a treatment box and a primary filter chamber, a secondary filter chamber and a dosing chamber which are sequentially arranged inside the treatment box, the two ends of the secondary filter chamber are respectively connected with the primary filter chamber and the dosing chamber, a filter cartridge is vertically rotated in the secondary filter chamber, the filter cartridge is connected to a rotating drive motor fixed to the top of the treatment box via a pulley and a belt, a backwashing mechanism is also arranged on one side of the filter cartridge, and the backwashing mechanism is connected with the water outlet of the secondary filter chamber.

[0006] Preferably, the backwashing mechanism comprises a flushing pipe arranged to align with the filter holes of the filter cartridge, and the water inlet of the flushing pipe is connected to the water outlet of the secondary filter chamber via a pressure pump.

[0007] Preferably, a first filter frame is also arranged between the pressure pump and the water outlet of the secondary filter chamber, a first overflow port is opened at the top of the first filter frame, the first overflow port is connected with the water outlet opened at the top of the secondary filter chamber, a filter protection net is arranged inside the first filter frame and below the first overflow port, and the first filter frame below the filter protection net is connected with the pressure pump.

[0008] Preferably, a sewage inlet is provided on one side of the primary filter chamber, a primary filter screen is provided inside the primary filter chamber and at the bottom of the sewage inlet, a communication port is provided on the other side of the primary filter chamber and below the primary filter screen, and the communication port is connected to the water inlet at one end of the filter cartridge;

[0009] The other end of the filter cartridge is arranged as a blind end, and the blind end of the filter cartridge is vertically rotatably connected to a support frame, and the support frame is fixed inside the secondary filter chamber.

[0010] Preferably, a stirring shaft is horizontally rotatably arranged inside the dosing chamber, a U-shaped stirring blade is fixed to the bottom end of the stirring shaft, a stirring motor is fixed to the top end of the stirring shaft, and the stirring motor is fixed to the top end of the processing box;

[0011] A second overflow port is provided at the top of the dosing chamber on one side facing the secondary filter chamber, and the second overflow port is communicated with the secondary filter chamber.

[0012] Preferably, a second filter frame is detachably connected to a position inside the secondary filter chamber and below the second overflow port.

[0013] Preferably, both sides of the second filter frame are integrally formed with the L-shaped connecting plate, and the other end of the L-shaped connecting plate is detachably connected to the top end of the processing box via bolts.

[0014] Therefore, the present invention adopts the above-mentioned sewage treatment device, which has the following beneficial effects:

[0015] 1. Multi-stage filtration: Primary filter chamber: Use the primary filter net to preliminarily remove large particles of impurities in the sewage, reducing the burden of subsequent treatment; Secondary filter chamber: Use the filter cartridge for finer filtration to further remove fine particles and suspended matter; Dosing chamber: Through stirring and dosing, further purify the water quality and remove soluble pollutants;

[0016] 2. High-efficiency filtration: Filter cartridge design: The filter cartridge is connected to the rotating drive motor through a pulley and a belt, and can rotate vertically to ensure uniform distribution of the filter material during the filtration process and improve filtration efficiency; Backwashing mechanism: The backwashing mechanism includes a flushing pipe, which uses a pressure pump to pressurize the outlet water of the secondary filter chamber to impact the filter holes of the filter cartridge, effectively removing blocked impurities and extending the service life of the filter cartridge;

[0017] 3. Structural optimization: First filter frame: The first filter frame is set between the booster pump and the water outlet of the secondary filter chamber to further filter the water and prevent impurities from entering the backwash system; Second filter frame: A removable second filter frame is set inside the secondary filter chamber to facilitate regular cleaning and replacement to ensure the filtering effect;

[0018] 4. Control the rotation of the stirring shaft to ensure that the drugs in the dosing chamber are mixed evenly and improve the efficacy;

[0019] 5. Modular design: detachable connection: the second filter frame and the L-shaped connecting plate are detachably connected to the top of the treatment box through bolts, and the undissolved medicine filtered by the second filter frame can be poured into the dosing chamber again to save medicine; overflow port design: the design of the first overflow port and the second overflow port ensures smooth water flow and avoids blockage;

[0020] 6. Energy saving and environmental protection: Backwash system: Through the backwash mechanism, the amount of water used for cleaning is effectively reduced, and energy consumption is reduced. Resource recovery: Through multi-stage filtration and dosing treatment, some valuable resources can be recovered to reduce waste;

[0021] 7. High reliability: Support frame design: The blind end of the filter cartridge is connected to the support frame in a vertical rotation to ensure the stability and reliability of the filter cartridge; Stirring blade design: The U-shaped stirring blade can better mix the reagents and improve the treatment effect.

[0022] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The figure is a schematic structural diagram of a sewage treatment device according to the present invention.

[0024] Reference numerals

[0025] 1. Treatment box; 2. Sewage inlet; 3. Primary filter screen; 4. Primary filter chamber; 5. Secondary filter chamber; 6. Filter cartridge; 7. Rotary drive motor; 8. Second filter frame; 9. Stirring motor; 10. Dosing chamber; 11. Stirring shaft; 12. Second overflow port; 13. Flushing pipe; 14. First filter frame; 15. Pressure pump. DETAILED DESCRIPTION

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the invented product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, 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, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0028] like Figure 1 As shown, a sewage treatment device comprises a treatment box 1 and a primary filter chamber 4, a secondary filter chamber 5 and a dosing chamber 10 sequentially arranged inside the treatment box 1, the two ends of the secondary filter chamber 5 are respectively connected with the primary filter chamber 4 and the dosing chamber 10, a filter cartridge 6 is vertically rotatably arranged in the secondary filter chamber 5, the filter cartridge 6 is connected to a rotating drive motor 7 fixed to the top of the treatment box 1 via a pulley and a belt, a backwashing mechanism is also arranged on one side of the filter cartridge 6, and the backwashing mechanism is connected with the water outlet of the secondary filter chamber 5. The filter cartridge 6 of this embodiment is also filled with filter material, such as one of activated carbon, fiber filter material, magnetic filter material and any combination thereof.

[0029] In this embodiment, the top of the treatment box 1 is open, which is convenient for observing the filtering treatment effect and adding sewage treatment chemicals and water into the dosing chamber 10.

[0030] The backwashing mechanism comprises a flushing pipe 13 which is arranged to align with the filter holes of the filter cartridge 6 , and a water inlet of the flushing pipe 13 is connected to a water outlet of the secondary filter chamber 5 via a pressure pump 15 .

[0031] A first filter frame 14 is also arranged between the pressure pump 15 and the water outlet of the secondary filter chamber 5. A first overflow port is opened at the top of the first filter frame 14. The first overflow port is connected to the water outlet opened at the top of the secondary filter chamber 5. A filter protection net is arranged inside the first filter frame 14 and below the first overflow port. The first filter frame 14 below the filter protection net is connected to the pressure pump 15.

[0032] A sewage inlet 2 is provided on one side of the primary filter chamber 4, a primary filter screen 3 is provided inside the primary filter chamber 4 and at the bottom end of the sewage inlet 2, a connecting port is provided on the other side of the primary filter chamber 4 and below the primary filter screen 3, and the connecting port is connected to the water inlet located at one end of the filter cartridge 6; the other end of the filter cartridge 6 is set as a blind end, and the blind end of the filter cartridge 6 is vertically rotatably connected to the support frame, and the support frame is fixed inside the secondary filter chamber 5.

[0033] A stirring shaft 11 is horizontally rotatably arranged inside the dosing chamber 10, a U-shaped stirring blade is fixed to the bottom end of the stirring shaft 11, a stirring motor 9 is fixed to the top end of the stirring shaft 11, and the stirring motor 9 is fixed to the top end of the processing box 1; a second overflow port 12 is opened at the top end of the dosing chamber 10 facing the secondary filter chamber 5, and the second overflow port 12 is connected to the secondary filter chamber 5.

[0034] A second filter frame 8 is detachably connected inside the secondary filter chamber 5 and below the second overflow port 12. Both sides of the second filter frame 8 are integrally formed with an L-shaped connecting plate, and the other end of the L-shaped connecting plate is detachably connected to the top of the treatment box 1 via bolts.

[0035] In this embodiment, the filter holes of the primary filter screen 3, the filter cartridge 6 and the filter protection screen decrease in size in sequence.

[0036] Working principle: sewage enters the primary filter chamber 4 from the sewage inlet 2, and the sewage filtered by the primary filter screen 3 enters the filter cartridge 6 from the connecting port and the water inlet, and is filtered by the filter cartridge 6. At the same time, sewage treatment agents (the sewage treatment agents in this embodiment are coagulants or disinfectants) and water are continuously added into the dosing chamber 10, and the stirring drive motor is used to drive the stirring shaft 11 to rotate, so as to accelerate the dissolution of the sewage treatment agent in water to form an agent, until the agent water level is higher than the second overflow port 12, and the agent enters the second filter frame 8 through the second overflow hole to filter the sewage treatment agent that is not dissolved in water, and then the agent enters the secondary filter chamber 5, mixes with the sewage in the secondary filter chamber 5, and performs sewage treatment until the treated water level is higher than the first overflow port height, stops water inlet, and uses the pressure pump 15 to spray the treated water pressure port to the filter cartridge 6. While cleaning the filter cartridge 6, the sewage is repeatedly treated, the fluidity of the water is increased, and the agent treatment effect is improved.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A sewage treatment device, characterized in that: It includes a treatment box and a primary filter chamber, a secondary filter chamber and a dosing chamber which are sequentially arranged inside the treatment box. The two ends of the secondary filter chamber are respectively connected with the primary filter chamber and the dosing chamber. A filter cartridge is vertically rotated in the secondary filter chamber. The filter cartridge is connected to a rotating drive motor fixed to the top of the treatment box via a pulley and a belt. A backwashing mechanism is also arranged on one side of the filter cartridge, and the backwashing mechanism is connected with the water outlet of the secondary filter chamber.

2. A sewage treatment device according to claim 1, characterized in that: The backwashing mechanism comprises a flushing pipe which is arranged to align with the filter hole of the filter cartridge, and the water inlet of the flushing pipe is connected with the water outlet of the secondary filter chamber through a pressure pump.

3. A sewage treatment device according to claim 2, characterized in that: A first filter frame is also arranged between the pressure pump and the water outlet of the secondary filter chamber. A first overflow port is opened at the top of the first filter frame. The first overflow port is connected to the water outlet opened at the top of the secondary filter chamber. A filter protection net is arranged inside the first filter frame and below the first overflow port. The first filter frame below the filter protection net is connected to the pressure pump.

4. A sewage treatment device according to claim 3, characterized in that: A sewage inlet is provided on one side of the primary filter chamber, a primary filter screen is provided inside the primary filter chamber and at the bottom of the sewage inlet, a connecting port is provided on the other side of the primary filter chamber and below the primary filter screen, and the connecting port is connected to a water inlet at one end of the filter cartridge; The other end of the filter cartridge is arranged as a blind end, and the blind end of the filter cartridge is vertically rotatably connected to a support frame, and the support frame is fixed inside the secondary filter chamber.

5. A sewage treatment device according to claim 4, characterized in that: A stirring shaft is arranged to rotate horizontally inside the dosing chamber, a U-shaped stirring blade is fixed to the bottom end of the stirring shaft, a stirring motor is fixed to the top end of the stirring shaft, and the stirring motor is fixed to the top end of the processing box; A second overflow port is provided at the top of the drug adding chamber on one side facing the secondary filtering chamber, and the second overflow port is communicated with the secondary filtering chamber.

6. A sewage treatment device according to claim 5, characterized in that: A second filter frame is detachably connected to a position inside the secondary filter chamber and below the second overflow port.

7. A sewage treatment device according to claim 6, characterized in that: Both sides of the second filter frame are integrally formed with the L-shaped connecting plate, and the other end of the L-shaped connecting plate is detachably connected to the top of the processing box via bolts.

Images