COD (Chemical Oxygen Demand) removal device for wastewater treatment
By designing a COD removal device with reciprocating movement function, using a motor to drive the rotating rod and reciprocating screw, the rapid and uniform addition of COD remover is achieved, and agitated by agitating sleeve and agitating plate, the problem of slow and uneven mixing speed of wastewater and COD remover in the prior art is solved, and the efficiency of wastewater removal is significantly improved.
Patent Information
- Application Number
- CN202420911080.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-28
AI Technical Summary
In the prior art, COD remover needs to slowly penetrate into the bottom of the wastewater, resulting in slow mixing of wastewater with COD remover, and even prone to uneven mixing, resulting in low efficiency in removing COD in wastewater.
A COD removal device for wastewater treatment is designed. The rotating rod is driven by the motor to rotate, and the rotating rod drives the reciprocating screw and the treatment box to move up and down. The water pump drives the water outlet pipe to move up and down in the wastewater tank to achieve rapid and even addition of COD remover, and agitate the wastewater through the agitating sleeve and the agitating plate to ensure uniform mixing.
By quickly and evenly adding COD remover and agitation mixing, the efficiency of wastewater removal of COD is significantly improved, and the problems of slow and uneven mixing speed are solved.
Smart Images
Figure CN222613060U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wastewater treatment, in particular to a COD removal device used for wastewater treatment. Background Art
[0002] Chemical oxygen demand, or COD, is the amount of oxidant consumed when a water sample is treated with a certain strong oxidant under certain conditions. It is an indicator of the amount of reducing substances in the water. COD remover products are water-soluble molecular polymers. High-efficiency COD remover is the latest new water purifier developed. This product uses nano-photocatalytic technology and micro-electrolysis technology to efficiently decompose organic matter in water to quickly and effectively reduce COD.
[0003] Usually, a COD remover is added into a wastewater tank. When removing COD from wastewater, the COD remover is directly added from the top of the water tank, which causes the COD remover to slowly penetrate into the bottom of the wastewater. Although the wastewater and the COD remover are stirred by a stirring mechanism, it still takes a long time, so that the mixing speed of the wastewater and the COD remover is slow, and even uneven mixing is easy, resulting in low efficiency of COD removal from the wastewater. Therefore, an efficient COD removal device for wastewater treatment is proposed. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides a COD removal device for wastewater treatment, which solves the problem that the COD remover is directly added from the top of the water tank, which causes the COD remover to slowly penetrate into the bottom of the wastewater, making the mixing speed of the wastewater and the COD remover slow, and even prone to uneven mixing, resulting in low efficiency in removing COD from the wastewater.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a COD removal device for wastewater treatment, comprising a wastewater tank and a treatment box arranged on one side of the wastewater tank, a slide groove is provided on one side of the wastewater tank, the interior of the slide groove is slidably connected to one side of the treatment box through a slider, a motor is fixedly connected to the top of the wastewater tank through a fixed frame, the output shaft of the motor is fixedly connected to a rotating rod through a coupling, one end of the rotating rod penetrates the wastewater tank and extends to the interior of the wastewater tank, one end of the rotating rod extending to the interior of the wastewater tank is rotatably connected to the bottom of the inner cavity of the wastewater tank through a bearing, a support plate is fixedly connected to the bottom of one side of the wastewater tank, a reciprocating screw is rotatably connected to one side of the top of the support plate through a bearing, a mounting plate is fixedly connected to one side of the treatment box, one end of the reciprocating screw penetrates the mounting plate and extends to the top of the mounting plate, a threaded hole matched with the reciprocating screw is provided on the top of the mounting plate, and a liquid pumping mechanism is provided above the treatment box.
[0006] Preferably, the liquid pumping mechanism includes a water pump, which is fixedly connected to the top of the treatment box, and the water inlet end of the water pump is connected to a water inlet pipe, one end of the water inlet pipe penetrates the treatment box and extends to the interior of the treatment box, and the water outlet end of the water pump is connected to a water outlet pipe, one end of the water outlet pipe penetrates the wastewater tank and extends to the interior of the wastewater tank, and a through hole compatible with the water outlet pipe is opened on one side of the top of the wastewater tank.
[0007] Preferably, pulleys are fixedly connected above the outer surface of the rotating rod and above the outer surface of the reciprocating screw, and a transmission belt is transmission-connected between the outer surfaces of the two pulleys.
[0008] Preferably, a water supply pipe is connected to the top of the treatment box and is located on one side of the water pump.
[0009] Preferably, a plurality of stirring sleeves are fixedly connected to the outer surface of the rotating rod and located inside the waste water tank.
[0010] Preferably, stirring plates are fixedly connected to both sides of the outer surface of the stirring sleeve.
[0011] Beneficial Effects
[0012] The utility model provides a COD removal device for wastewater treatment. Compared with the existing technology, it has the following beneficial effects:
[0013] (1) The utility model drives a rotating rod to rotate through a motor, and the rotating rod drives a reciprocating screw to rotate through a pulley and a transmission belt, so that the reciprocating screw drives a treatment box to move back and forth up and down, and the treatment box drives the port of a water outlet pipe to move back and forth up and down in the wastewater tank through a water pump, and the COD remover is extracted from the treatment box through the water pump, so that the water outlet pipe gradually adds the COD remover to different height layers of the wastewater, so that the wastewater and the COD remover can be quickly mixed, thereby improving the efficiency of removing COD from the wastewater.
[0014] (2) The utility model drives multiple stirring sleeves to rotate through the rotating rod, and the multiple stirring sleeves drive multiple stirring plates to rotate, so that the multiple stirring plates stir the wastewater and the COD remover, which can well mix the wastewater and the COD remover evenly. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the external structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0017] Figure 3 The utility model is a schematic diagram of the internal structure of the treatment box, water pump, water inlet pipe and water outlet pipe.
[0018] In the figure: 1. waste water tank; 2. treatment tank; 3. slide; 4. motor; 5. rotating rod; 6. support plate; 7. reciprocating screw; 8. mounting plate; 9. pumping mechanism; 10. stirring sleeve; 11. stirring plate; 91. water pump; 92. water inlet pipe; 93. water outlet pipe; 94. pulley; 95. transmission belt; 96. water adding pipe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0020] See also Figure 1-3 The utility model provides a technical solution: a COD removal device for wastewater treatment, comprising a wastewater tank 1 and a treatment tank 2 arranged on one side of the wastewater tank 1, the top of the wastewater tank 1 and the bottom of the other side are respectively connected with a wastewater pipe and a drain pipe, a chute 3 is provided on one side of the wastewater tank 1, the inside of the chute 3 is slidably connected to one side of the treatment tank 2 through a slider, the top of the wastewater tank 1 is fixedly connected with a motor 4 through a fixed frame, the motor 4 is a servo motor, electrically connected to an external power supply, and controlled by a control switch, and the output shaft of the motor 4 is fixedly connected with a rotating shaft through a coupling Rod 5, one end of the rotating rod 5 passes through the wastewater tank 1 and extends to the inside of the wastewater tank 1, the end of the rotating rod 5 extending to the inside of the wastewater tank 1 is rotatably connected to the bottom of the inner cavity of the wastewater tank 1 through a bearing, the bottom of one side of the wastewater tank 1 is fixedly connected to a support plate 6, one side of the top of the support plate 6 is rotatably connected to a reciprocating screw 7 through a bearing, one side of the treatment box 2 is fixedly connected to a mounting plate 8, one end of the reciprocating screw 7 passes through the mounting plate 8 and extends to the top of the mounting plate 8, a threaded hole compatible with the reciprocating screw 7 is opened on the top of the mounting plate 8, and a liquid extraction mechanism 9 is arranged above the treatment box 2.
[0021] Furthermore, in order to facilitate the addition of COD remover into the wastewater tank 1, the liquid pumping mechanism 9 includes a water pump 91, which is electrically connected to an external power supply and controlled by a control switch. The water pump 91 is fixedly connected to the top of the treatment box 2, and the water inlet end of the water pump 91 is connected to an inlet pipe 92, one end of the inlet pipe 92 passes through the treatment box 2 and extends to the interior of the treatment box 2, and the water outlet end of the water pump 91 is connected to an outlet pipe 93, one end of the outlet pipe 93 passes through the wastewater tank 1 and extends to the interior of the wastewater tank 1, and a through hole compatible with the outlet pipe 93 is opened on one side of the top of the wastewater tank 1, and pulleys 94 are fixedly connected to the upper part of the outer surface of the rotating rod 5 and the upper part of the outer surface of the reciprocating screw 7, and a transmission belt 95 is connected between the outer surfaces of the two pulleys 94, and a water adding pipe 96 is connected to the top of the treatment box 2 and on one side of the water pump 91.
[0022] Furthermore, in order to facilitate stirring of the wastewater, a plurality of stirring sleeves 10 are fixedly connected to the outer surface of the rotating rod 5 and located inside the wastewater tank 1 , and stirring plates 11 are fixedly connected to both sides of the outer surface of the stirring sleeve 10 .
[0023] When in use, wastewater is added into the wastewater tank 1 through the water adding pipe, and COD remover is pre-added into the treatment tank 2 through the water adding pipe 96, and then the motor 4 is controlled to drive the rotating rod 5 to rotate, and the rotating rod 5 will drive the multiple stirring plates 11 to rotate through the multiple stirring sleeves 10, and the multiple stirring plates 11 will stir the wastewater in the wastewater tank 1;
[0024] At the same time, the rotating rod 5 will drive the reciprocating screw 7 to rotate through the pulley 94 and the transmission belt 95, and the reciprocating screw 7 will drive the treatment box 2 to move up and down reciprocatingly through the mounting plate 8, and the mounting plate 8 will drive the water outlet pipe 93 to gradually move up and down reciprocatingly. At the same time, the COD remover is extracted through the water inlet pipe 92 on the water pump 91, and the COD remover is added to the wastewater tank 1 through the water outlet pipe 93, so that the COD remover is added to the wastewater through the up and down reciprocating movement of the water outlet pipe 93, so that the COD remover is evenly added to different height layers of the wastewater, and then stirred and mixed evenly through multiple stirring plates 11 to remove COD from the wastewater.
Claims
1. A COD removal device for wastewater treatment, comprising a wastewater tank (1) and a treatment tank (2) arranged on one side of the wastewater tank (1), characterized in that: A slide groove (3) is provided on one side of the wastewater tank (1), and the interior of the slide groove (3) is slidably connected to one side of the treatment tank (2) via a slider. A motor (4) is fixedly connected to the top of the wastewater tank (1) via a fixing frame, and the output shaft of the motor (4) is fixedly connected to a rotating rod (5) via a coupling. One end of the rotating rod (5) penetrates the wastewater tank (1) and extends to the interior of the wastewater tank (1), and the end of the rotating rod (5) extending to the interior of the wastewater tank (1) is connected to the inner cavity of the wastewater tank (1) via a bearing. The bottom of one side of the wastewater tank (1) is rotatably connected, a support plate (6) is fixedly connected to the bottom, one side of the top of the support plate (6) is rotatably connected to a reciprocating screw (7) via a bearing, one side of the treatment box (2) is fixedly connected to a mounting plate (8), one end of the reciprocating screw (7) passes through the mounting plate (8) and extends to the top of the mounting plate (8), a threaded hole matching the reciprocating screw (7) is provided on the top of the mounting plate (8), and a liquid extraction mechanism (9) is arranged above the treatment box (2).
2. A COD removal device for wastewater treatment according to claim 1, characterized in that: The liquid pumping mechanism (9) comprises a water pump (91), the water pump (91) being fixedly connected to the top of the treatment box (2), the water inlet end of the water pump (91) being connected to a water inlet pipe (92), one end of which passes through the treatment box (2) and extends to the interior of the treatment box (2), the water outlet end of the water pump (91) being connected to a water outlet pipe (93), one end of which passes through the wastewater box (1) and extends to the interior of the wastewater box (1), and a through hole matching the water outlet pipe (93) is provided on one side of the top of the wastewater box (1).
3. A COD removal device for wastewater treatment according to claim 2, characterized in that: A pulley (94) is fixedly connected above the outer surface of the rotating rod (5) and above the outer surface of the reciprocating screw (7), and a transmission belt (95) is transmission-connected between the outer surfaces of the two pulleys (94).
4. A COD removal device for wastewater treatment according to claim 2, characterized in that: A water supply pipe (96) is connected to the top of the treatment box (2) and is located on one side of the water pump (91).
5. The COD removal device for wastewater treatment according to claim 1, characterized in that: A plurality of stirring sleeves (10) are fixedly connected to the outer surface of the rotating rod (5) and located inside the waste water tank (1).
6. A COD removal device for wastewater treatment according to claim 5, characterized in that: Stirring plates (11) are fixedly connected to both sides of the outer surface of the stirring sleeve (10).