Wastewater treatment device based on short-cut denitrification

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a wastewater treatment device based on short-cut denitrification, which comprises a treatment tank, a storage tank and a mixing structure. A motor drives a material guide plate through a stirring rod to push raw materials for denitrification treatment to be discharged from a discharging port, meanwhile, the stirring rod drives a plurality of first gears through a second gear to drive a rotating shaft and a material guide barrel to rotate at the same time, and the first gears drive a rotating plate to slowly and circumferentially move along a gear ring; through the arrangement of the guide cylinder, when the guide cylinder slowly and circumferentially moves to the position below the discharge port, raw materials used for wastewater denitrification treatment in the storage tank enter the guide cylinder and then enter the treatment tank through the guide cylinder, intermittent feeding is achieved, the speed of the raw materials falling into wastewater in the guide cylinder is slowed down through the multiple inclined plates, and the feeding efficiency is improved. The raw materials fall into the wastewater more uniformly, the raw materials are stirred by the stirring rod, and a small amount of raw materials for wastewater denitrification treatment are uniformly scattered into the treatment tank for multiple times.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, concretely is a wastewater treatment device based on short -path denitrification. BACKGROUND

[0002] Nitrogen and phosphorus pollution sources are more, and fixed pollution source is still important source, and in some places is still main source.

[0003] The existing wastewater treatment device of short -path denitrification in the use process, usually the volume required for wastewater denitrification treatment raw material, directly pour into raw material and wastewater mixing treatment, and in this process raw material and wastewater mixing can not dissolve in time raw material in wastewater and appear the situation of accumulation or suspension precipitation, thereby leading to raw material and wastewater reaction is not full and influences the denitrification of wastewater treatment effect. UTILITY MODEL CONTENT

[0004] The utility model discloses a wastewater treatment device based on short -path denitrification, which can realize the addition of a small amount of raw material for wastewater denitrification treatment into the treatment tank multiple times, thereby improving the denitrification effect of wastewater.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A wastewater treatment device based on short -path denitrification is designed, which comprises a treatment tank, a storage tank and a mixing structure.

[0007] The stirring assembly is provided with a material guiding assembly in the middle part, and the material guiding assembly is arranged in the inside of the treatment tank.

[0008] Preferably, the treatment tank is provided with a wastewater inlet on the side adjacent to the storage tank, and a wastewater outlet on the side away from the storage tank.

[0009] Preferably, the storage tank is provided with a feeding hopper on the side away from the treatment tank, and a discharging port on the side adjacent to the treatment tank.

[0010] Preferably, the stirring assembly comprises a motor, a material guiding plate and a stirring rod.

[0011] The end of the motor is fixedly arranged on one side of the storage tank, and the output shaft axis of the motor is in the same straight line with the axis of the storage tank.

[0012] The output shaft end of the motor is fixedly connected with the stirring rod, and two sides of the stirring rod are rotationally connected with the storage tank and the treatment tank respectively.

[0013] The side of the stirring rod adjacent to the storage tank is fixedly provided with a material guide plate, the extending end of the material guide plate is attached to the inner wall of the storage tank, and the end of the material guide plate is attached to the storage tank.

[0014] Preferably, the material guide assembly comprises a gear ring, a gear one, a gear two, a rotating shaft, a material guide cylinder and a rotating plate.

[0015] The outer ring surface of the gear ring is fixedly connected with the treatment tank, and the inner wall of the gear ring is engaged with a plurality of gear ones.

[0016] The outer wall of each of the plurality of gear ones is engaged with the gear two, the inner wall of one side of the gear one is fixedly connected with the material guide cylinder, and the inner wall of the other side of the gear one is fixedly connected with a plurality of rotating shafts.

[0017] Both ends of the plurality of rotating shafts and one side of the material guide cylinder are rotationally connected with the rotating plates on both sides, and the outer walls of the rotating plates on both sides are rotationally connected with the treatment tank.

[0018] The inner wall of the gear two is fixedly connected with the stirring rod.

[0019] Preferably, the side of the material guide cylinder adjacent to the gear one is provided with an inner diameter size same as that of the discharge port, and the axis of the material guide cylinder can be in line with the axis of the discharge port.

[0020] The side of the material guide cylinder away from the gear one is provided with a plurality of inclined plates.

[0021] The wastewater treatment device based on short-range denitrification has the beneficial effects that the motor drives the material guide plate to push the raw material for denitrification treatment out of the discharge port through the stirring rod, the stirring rod drives the plurality of gear ones to drive the rotating shafts and the material guide cylinder to rotate simultaneously through the gear two, the gear one drives the rotating plate to move slowly in the circumferential direction along the gear ring, the raw material for wastewater denitrification treatment in the storage tank enters the inside of the material guide cylinder when the material guide cylinder moves slowly in the circumferential direction to the lower side of the discharge port, and the raw material enters the treatment tank through the material guide cylinder, intermittent feeding is realized, the speed of the raw material in the material guide cylinder falling into the wastewater is delayed through the plurality of inclined plates, the raw material falls into the wastewater more uniformly, and the raw material is stirred through the stirring rod, the raw material for wastewater denitrification treatment is scattered into the treatment tank in small amounts and multiple times and uniformly, the raw material for wastewater denitrification treatment and the wastewater are fully mixed and reacted, and the problem that the efficiency of the wastewater denitrification treatment is affected due to the mixing of the raw material for wastewater denitrification treatment and the wastewater is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1The utility model discloses a structure schematic diagram.

[0023] Figure 2 The utility model discloses a sectional structure schematic diagram.

[0024] Figure 3 The utility model discloses a structure exploded schematic diagram.

[0025] Figure 4 The utility model discloses a sectional structure schematic diagram of the guide cylinder.

[0026] In the figure: 1, processing jar; 101, wastewater import; 102, wastewater export; 2, storage jar; 201, feed hopper; 202, discharge port; 3, stirring subassembly; 301, motor; 302, guide plate; 303, stirring rod; 4, guide subassembly; 401, gear ring; 402, gear one; 403, gear two; 404, pivot; 405, guide cylinder; 4051, inclined plate; 406, rotating plate. Specific implementation

[0027] The utility model will be further explained in connection with the drawings:

[0028] The embodiment proposes a wastewater treatment device based on short-range denitrification, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , including processing jar 1, storage jar 2 and mixed structure, the upper portion of processing jar 1 is fixedly provided with storage jar 2, and the inside of processing jar 1 is provided with mixed structure, wherein the mixed structure further includes stirring subassembly 3 and guide subassembly 4, the both sides of stirring subassembly 3 are arranged in the inside of processing jar 1 and storage jar 2 respectively, the middle part of stirring subassembly 3 is provided with guide subassembly 4, and guide subassembly 4 is arranged in the inside of processing jar 1.

[0029] Processing jar 1 is provided with wastewater import 101 on the side adjacent to storage jar 2, and wastewater import 101 and wastewater export 102 are provided with valve respectively, and processing jar 1 is provided with wastewater export 102 on the side away from storage jar 2, and storage jar 2 is provided with feed hopper 201 on the side away from processing jar 1, and storage jar 2 is provided with discharge port 202 on the side adjacent to processing jar 1.

[0030] The stirring assembly 3 comprises a motor 301, a guide plate 302 and a stirring rod 303. The end of the motor 301 is fixedly arranged on one side of the storage tank 2, and the axis of the output shaft of the motor 301 is in the same straight line as the axis of the storage tank 2. The output shaft end of the motor 301 is fixedly connected with the stirring rod 303. The two sides of the stirring rod 303 are rotatably connected with the storage tank 2 and the treatment tank 1 respectively. The side of the stirring rod 303 adjacent to the storage tank 2 is fixedly provided with the guide plate 302. The extending end of the guide plate 302 is attached to the inner wall of the storage tank 2. The end of the guide plate 302 is attached to the storage tank 2. The output shaft of the motor 301 can drive the stirring rod 303 to rotate, so as to mix the raw materials for denitrification treatment with the wastewater. The stirring rod 303 drives the guide plate 302 to move circumferentially. The guide plate 302 moves circumferentially along the bottom end of the storage tank 2, so as to push the raw materials for denitrification treatment to be discharged from the discharge port 202.

[0031] The guide assembly 4 comprises a gear ring 401, a gear one 402, a gear two 403, a rotating shaft 404, a guide cylinder 405 and a rotating plate 406. The outer ring surface of the gear ring 401 is fixedly connected with the treatment tank 1. The inner wall of the gear ring 401 is engaged with a plurality of gear ones 402. The outer wall of each of the plurality of gear ones 402 is engaged with the gear two 403. At the same time, the stirring rod 303 drives the gear two 403 to rotate. The gear two 403 drives the plurality of gear ones 402 to rotate. The plurality of gear ones 402 simultaneously drives the rotating shaft 404 and the guide cylinder 405 to rotate. The rotating shaft 404 and the guide cylinder simultaneously rotate along the rotating plate 406. The gear one 402 drives the rotating plate 406 to move circumferentially slowly along the gear ring 401. When the guide cylinder 405 moves circumferentially slowly to the lower side of the discharge port 202, the raw materials for wastewater denitrification treatment in the storage tank 2 enter the inside of the guide cylinder 405, and then enter the treatment tank 1 through the guide cylinder 405, so as to realize intermittent feeding. The speed of the raw materials in the guide cylinder 405 falling into the wastewater is slowed down through the plurality of inclined plates 4051. At the same time, the raw materials falling into the wastewater are more uniform through the circumferential movement of the guide head 405. The inner wall of one side of the gear one 402 is fixedly connected with the guide cylinder 405. The inner wall of the other side of the gear one 402 is fixedly connected with a plurality of rotating shafts 404 respectively. The two ends of the plurality of rotating shafts 404 and one side of the guide cylinder 405 are rotatably connected with the rotating plates 406 on both sides. The outer walls of the rotating plates 406 on both sides are rotatably connected with the treatment tank 1. The inner wall of the gear two 403 is fixedly connected with the stirring rod 303. The side of the guide cylinder 405 adjacent to the gear one 402 is provided with an inner diameter which is the same as the size of the discharge port 202. The axis of the guide cylinder 405 can be in a straight line with the axis of the discharge port 202. The side of the guide cylinder 405 away from the gear one 402 is provided with a plurality of inclined plates 4051. As shown in the top of the rotating plate 406, the bottom end of the storage tank 2 is attached. Figure 2 The bottom end of the storage tank 2 is attached.

[0032] Specifically, after the wastewater is introduced into the treatment tank 1 through the wastewater inlet 101, the valve is closed, then the raw materials for wastewater denitrification treatment are injected into the inside of the storage tank 2 through the hopper 201, then the motor 301 is controlled to work, the motor 301 drives the stirring rod 303 to rotate, at the same time, the stirring rod 303 drives the guide plate 302 to move along the bottom end of the inner wall of the storage tank 2 in a circumferential direction, pushes the raw materials for denitrification treatment to be discharged from the discharge port 202, at the same time, the stirring rod 303 drives the gear two 403 to rotate, the gear two 403 drives the plurality of gear one 402 to rotate, the plurality of gear one 402 simultaneously drives the rotating shaft 404 and the guide cylinder 405 to rotate simultaneously, the rotating shaft 404 and the guide cylinder simultaneously rotate along the rotating plate 406, and the gear one 402 drives the rotating plate 406 to move slowly in a circumferential direction along the gear ring 401, so that the guide cylinder 405 moves slowly in a circumferential direction below the discharge port 202, the raw materials for wastewater denitrification treatment in the inside of the storage tank 2 enter the inside of the guide cylinder 405, and then enter the treatment tank 1 through the guide cylinder 405, intermittent feeding is realized, the speed of the raw materials in the inside of the guide cylinder 405 falling into the wastewater is delayed through the plurality of inclined plates 4051, at the same time, the raw materials falling into the wastewater are more uniform through the circumferential movement of the guide head 405, and the wastewater and the raw materials are stirred through the stirring rod 303, the raw materials for wastewater denitrification treatment are scattered into the treatment tank 1 in a small amount, multiple times and uniformly, so that the raw materials for wastewater denitrification treatment and the wastewater are fully mixed and reacted, the problem that the efficiency of the wastewater denitrification treatment is affected due to the mixing of the raw materials for wastewater denitrification treatment and the wastewater is avoided, and the wastewater is discharged through the wastewater outlet 102 after the treatment is completed.

[0033] Although the present application has been illustrated and described with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made therein without departing from the scope of the claims.

Claims

1. A wastewater treatment device based on short-cut denitrification, characterized by: It includes a processing tank, a storage tank and a mixing structure. The storage tank is fixedly arranged above the processing tank. The mixing structure is arranged inside the processing tank, wherein the mixing structure also includes a stirring component and a material guiding component. Both sides of the stirring assembly are respectively arranged inside the processing tank and the storage tank. A material guiding assembly is arranged in the middle of the stirring assembly, and the material guiding assembly is arranged inside the processing tank.

2. A wastewater treatment device based on short-cut denitrification according to claim 1, characterized in that: A wastewater inlet is provided on a side of the treatment tank adjacent to the storage tank, and a wastewater outlet is provided on a side of the treatment tank away from the storage tank.

3. The wastewater treatment device based on short-cut denitrification according to claim 1, characterized in that: A feeding hopper is provided on a side of the storage tank away from the processing tank, and a discharge port is provided on a side of the storage tank adjacent to the processing tank.

4. The wastewater treatment device based on short-cut denitrification according to claim 1, characterized in that: The stirring assembly includes a motor, a material guide plate and a stirring rod; The end of the motor is fixedly arranged on one side of the storage tank, and the axis of the output shaft of the motor and the axis of the storage tank are in the same straight line; The output shaft end of the motor is fixedly connected to the stirring rod, and the two sides of the stirring rod are rotatably connected to the storage tank and the processing tank respectively; A material guide plate is fixedly provided on one side of the stirring rod adjacent to the storage tank, and an extended end of the material guide plate is in contact with the inner wall of the storage tank, and an end of the material guide plate is in contact with the storage tank.

5. The wastewater treatment device based on short-cut denitrification according to claim 1, characterized in that: The material guide assembly includes a gear ring, a gear 1, a gear 2, a rotating shaft, a material guide cylinder and a rotating plate; The outer ring surface of the gear ring is fixedly connected to the processing tank, and the inner wall of the gear ring is meshed with a plurality of gears; The outer walls of the plurality of gears 1 are all meshed with the gear 2, the inner wall of the gear 1 on one side is fixedly connected to the material guide barrel, and the inner wall of the gear 1 on the other side is fixedly connected to the plurality of rotating shafts respectively; Both ends of the plurality of rotating shafts and one side of the material guide cylinder are rotatably connected to the rotating plates on both sides, and the outer walls of the rotating plates on both sides are rotatably connected to the processing tank; The inner wall of the second gear is fixedly connected to the stirring rod.

6. A wastewater treatment device based on short-cut denitrification according to claim 5, characterized in that: The inner diameter of the guide cylinder adjacent to the gear 1 is the same as the size of the discharge port, and the axis of the guide cylinder can be in a straight line with the axis of the discharge port; A plurality of inclined plates are provided on a side of the material guide cylinder away from gear one.

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