CN211486838U - Primary purification treatment device for domestic wastewater - Google Patents

Abstract

The utility model discloses a primary purification treatment device for domestic wastewater, which comprises a purification cylinder, a mixing cylinder vertically and fixedly connected with the top end of the purification cylinder and communicated with the inner cavity of the purification cylinder, and a motor vertically and fixedly connected with the top end of the mixing cylinder; the inner cavity of the mixing drum is connected with a water purifying paddle which is used for carrying out rotary purification treatment on the wastewater; and an output shaft of the motor is connected with the top end of the water purifying paddle in a transmission way through a coupler. The utility model discloses collect and filter stirring, centrifugal separation, tertiary waste water purification treatment function in an organic whole of solid-liquid separation, easy operation is convenient, can accelerate waste water purification's efficiency, reduces substantially the content of suspended particles in the waste water, improves the purifying effect of waste water, is favorable to this domestic waste water primary purification processing apparatus's using widely.

Description

A primary purification treatment device for domestic wastewater

technical field

The utility model relates to the technical field of domestic wastewater treatment, in particular to a primary purification treatment device for domestic wastewater.

Background technique

Domestic wastewater refers to the washing water excreted by residents in their daily lives. In fact, only a small part of wastewater has been treated, and most of them are directly discharged into rivers without treatment; with the development of society and the continuous improvement of people's living standards, More and more attention is paid to the treatment of domestic wastewater. Most of the wastewater primary purification treatment devices are used in the market to conduct preliminary treatment of domestic wastewater, and then pass through subsequent wastewater purification treatment devices and treatment equipment to carry out wastewater treatment at a deeper level. deal with.

The existing domestic wastewater primary purification treatment devices have a single function, and most of them simply filter the domestic wastewater by setting up several layers of filter screens, resulting in a large content of suspended solids in the wastewater, low wastewater purification efficiency, and high purification efficiency. The effect is poor, which affects the treatment of wastewater at the later stage, and it is difficult to meet the treatment needs of current domestic wastewater.

Utility model content

The purpose of the present utility model is to provide a primary purification treatment device for domestic waste water to solve the problems of single function proposed in the above-mentioned background technology, high content of suspended solids contained in waste water, low waste water purification efficiency and poor purification effect.

To achieve the above object, the utility model provides the following technical solutions:

A primary purification treatment device for domestic waste water, comprising a purification cylinder, a mixing cylinder vertically fixed on the top of the purification cylinder and communicating with the inner cavity of the purification cylinder, and a motor vertically fixed on the top of the mixing cylinder; A water-purifying paddle is connected to the cavity, and the water-purifying paddle is used for rotating and purifying the waste water; the output shaft of the motor is connected to the top of the water-purifying paddle through a coupling.

Preferably, the water purifying paddle comprises a stirring shaft extending vertically into the inner cavity of the stirring drum, a first filter frame and a second filter frame sleeved on the outer surface of the stirring shaft in sequence from top to bottom, located below the second filter frame and The baffle net sleeved on the outer surface of the stirring shaft, and the stirring plate located in the inner cavity of the purification cylinder and sleeved on the bottom end of the stirring shaft; the top of the stirring shaft extends above the stirring cylinder through the coupling and the output shaft of the motor The transmission is connected; the outer side wall of the blocking net is closely attached to the inner cylinder wall of the mixing drum.

Preferably, the first filter frame and the second filter frame both include a No. 1 filter screen and a No. 2 filter screen, the No. 1 filter screen is laterally fixed on the left side of the stirring shaft, and the No. 2 filter screen is located on the No. 1 filter screen. below and laterally fixed to the right side of the stirring shaft.

Preferably, the top-view shapes of the No. 1 filter screen and the No. 2 filter screen are both semicircular structures, and neither the left side wall of the No. 1 filter screen nor the right side wall of the No. 2 filter screen fits inside the mixing drum. The cylinder wall; the No. 1 filter screen and the No. 2 filter screen both include a screen plate, a connecting block fixed in the middle of the side straight face of the screen plate, and a shaft hole opened in the middle of the connecting block for the stirring shaft to pass through vertically; The top view shape of the filter screen plate is a semicircular structure; the top view shape of the connecting block is a circular structure, and the connecting block and the filter screen plate are integrally connected.

Preferably, the top-view shape of the stirring plate is a "ten" or "X"-shaped structure, and the stirring plate includes a fixed block that is fixedly sleeved on the outer surface of the stirring shaft, and four sets of rotating rings distributed on the outer side wall of the fixed block. The side walls of each group of rotating plates are not attached to the inner wall of the purification cylinder, and the main view of each group of rotating plates is a rectangular structure.

Preferably, a drain pipe is connected to the bottom surface of the right side of the purification cylinder, and a filter screen is vertically connected to the inner cavity of the purification cylinder; the filter screen is located on the right side of the stirring plate and is close to the water inlet of the drain pipe, and the filter screen is used for Cooperate with water purification paddle for wastewater purification treatment.

Preferably, a waste water inlet pipe is fixedly connected to the top surface of the left side wall of the mixing drum, and the inner cavity of the waste water inlet pipe communicates with the inner cavity of the mixing drum, and the cross-sectional shape of the waste water inlet pipe is an "L" shape structure.

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

1. The utility model integrates the functions of filtration and stirring, centrifugal separation, and solid-liquid separation three-stage wastewater purification treatment, and the operation is simple and convenient. The solid-liquid separation and purification treatment can speed up the efficiency of wastewater purification, greatly reduce the content of suspended particles in the wastewater, and improve the purification effect of the wastewater, which is beneficial to the popularization and use of the primary purification treatment device for domestic wastewater.

Description of drawings

Fig. 1 is the structural sectional view of the utility model;

Fig. 2 is the structural representation of the utility model water purification paddle;

3 is a perspective view of the overall structure of the combination of the purifying drum and the mixing drum of the present invention;

4 is a top view of the structure of the No. 1 filter screen of the present utility model;

FIG. 5 is a top view of the structure of the stirring plate of the present invention.

In the picture: 1 purification cylinder, 11 drain pipe, 12 filter screen, 2 mixing cylinder, 21 waste water inlet pipe, 3 motor, 31 output shaft, 32 coupling, 4 water purification paddle, 41 stirring shaft, 42 first filter frame , 421 No. 1 filter screen, 4211 filter screen plate, 4212 connecting block, 4213 shaft hole, 422 No. 2 filter screen, 43 No. 2 filter frame, 44 blocking screen, 45 stirring plate, 451 Fixed block, 452 rotating plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-5 , the present utility model provides a technical solution: a primary purification treatment device for domestic wastewater, comprising a purification cylinder 1, a stirring cylinder vertically fixed to the top of the purification cylinder 1 and communicated with the inner cavity of the purification cylinder 1 2, and the motor 3 that is vertically fixed on the top of the mixing drum 2; the inner cavity of the mixing drum 2 is connected with a water-purifying paddle 4, and the water-purifying paddle 4 is used for rotating and purifying the waste water; the output shaft 31 of the motor 3 passes through The coupling 32 is connected to the top of the water purifying paddle 4 in a driving manner.

1 and 2, the water purification paddle 4 includes a stirring shaft 41 vertically extending into the inner cavity of the stirring drum 2, a first filter frame 42 and a second filter frame 42 sleeved on the outer surface of the stirring shaft 41 in sequence from top to bottom The filter rack 43, the baffle 44 located below the second filter rack 43 and sleeved on the outer surface of the stirring shaft 41, and the stirring plate 45 located in the inner cavity of the purification cylinder 1 and sleeved on the bottom end of the stirring shaft 41; The top extends out of the upper position of the mixing drum 2 and is connected with the output shaft 31 of the motor 3 through the coupling 32; the outer side wall of the blocking net 44 is closely attached to the inner cylindrical wall of the mixing drum 2; the bottom surface of the right side of the purification drum 1 is connected with a drainage Pipe 11, the inner cavity of the purification cylinder 1 is vertically connected with a filter screen 12; the filter screen 12 is located on the right side of the stirring plate 45 and is close to the water inlet of the drain pipe 11. Purification treatment; a waste water introduction pipe 21 is fixedly connected to the top surface of the left side wall of the mixing drum 2, the inner cavity of the waste water introduction pipe 21 is connected with the inner cavity of the mixing drum 2, and the cross-sectional shape of the waste water introduction pipe 21 is "L" shaped Structure; the waste water introduction pipe 21 is arranged in an “L” shape, which can facilitate the introduction of waste water into the domestic wastewater primary purification treatment device for waste water treatment, and at the same time slow down the falling speed of the waste water when it enters the waste water introduction pipe 21, thereby reducing the waste water. The erosion and wear of the waste water inlet pipe 21 and the purification cylinder 1 can prolong the service life of the waste water inlet pipe 21 and the purification cylinder 1, and prolong the service life of the primary purification treatment device for domestic waste water.

Please refer to FIG. 2 and FIG. 4 , the first filter frame 42 and the second filter frame 43 both include a No. 1 filter screen 421 and a No. 2 filter screen 422, and the No. 1 filter screen 421 is laterally fixed on the left side of the stirring shaft 41, The No. 2 filter screen 422 is located below the No. 1 filter screen 421 and is laterally fixed to the right side of the stirring shaft 41; the top-view shapes of the No. 1 filter screen 421 and the No. The left side wall and the right side wall of the No. 2 filter screen 422 are not attached to the inner cylinder wall of the mixing drum 2; The connecting block 4212 facing the middle of the side of the plate 4211, and the shaft hole 4213 opened in the middle of the connecting block 4212 for the stirring shaft 41 to pass through vertically; the top view shape of the filter plate 4211 is a semicircular structure; the top view shape of the connecting block 4212 is a circle The connecting block 4212 and the screen plate 4211 are integrally connected.

Please refer to FIGS. 1 , 2 and 5 , the top view of the stirring plate 45 is a “ten” or “X”-shaped structure, and the stirring plate 45 includes a fixed block 451 that is fixedly sleeved on the outer surface of the stirring shaft 41 , and a The four groups of rotating plates 452 are distributed on the outer side wall of the fixed block 451 in a ring shape; the side walls of the rotating plates 452 of each group are not attached to the inner wall of the purification cylinder 1, and the main view of the rotating plates 452 of each group is a rectangular structure, and the rectangular structure The setting of the rotating plate 452 can increase the contact area between the rotating plate 452 and the wastewater, so that the rotating plate 452 can quickly rotate the wastewater to the filter screen 12 for solid-liquid separation when the motor 3 is running.

The utility model adopts the motor 3 of Y80M1-2 type and the synchronous speed of 3000r/minD as the power of the waste water purification and treatment device to carry out the purification and treatment of waste water; An AD402-A type drain valve is installed to control the discharge of treated wastewater to the subsequent wastewater treatment process; the specific structure and operation principle of the drain valve are well-known technologies, so they will not be repeated here.

The operating principle of the primary purification treatment device for domestic wastewater: start the motor 3 when in use, when the motor 3 is running, the output shaft 31 rotates and under the transmission action of the coupling 32, the stirring shaft 41 rotates synchronously with the rotation of the output shaft 31; During the rotation of the stirring shaft 41, each component of the water purification paddle 4 is driven to rotate, that is, the circular rotation of the first filter frame 42 and the second filter frame 43 and the circular rotation of the stirring plate 45 are driven; through the circular rotation of the water purification paddle 4 Purify wastewater;

In the process of wastewater purification treatment, the motor 3 is started in advance, and then the wastewater to be treated is introduced into the mixing drum 2 through the wastewater introduction pipe 21, and the wastewater falls freely into the mixing drum 2 under the action of gravity. The frame 42 and the second filter frame 43 rotate circularly under the action of the motor 3, that is, the No. 1 filter screen 421 and the No. 2 filter screen 422 also rotate accordingly, and the waste water is generated by the rotation of the No. 1 filter screen 421 and the No. 2 filter screen 422. Centrifugal force, the suspended particles in the waste water are centrifugally separated, and the centrifugal separation of the No. 1 filter screen 421 and the No. 2 filter screen 422 is carried out, that is, the waste water is subjected to the first-level centrifugal filtration treatment;

The wastewater after the first-level centrifugal filtration treatment freely falls onto the baffle net 44 again, and through the solid-liquid separation action of the baffle net 44, the solid suspended particles in the wastewater are filtered out, that is, the wastewater is subjected to a second-level solid-liquid separation and purification treatment; The waste water after the solid-liquid separation and purification treatment falls freely again and is concentrated in the purification cylinder 1, and the circular stirring of the waste water is performed by the circular rotation of the stirring plate 45 to produce centrifugal separation, and the suspended particles in the waste water and the waste liquid are centrifuged again; While the waste water is centrifugally separated by the stirring plate 45, the rotating plate 452 of the stirring plate 45 will fan the waste water to the filter screen 12. At this time, the waste water will collide with the filter screen 12, so that the suspended particles in the waste water will be filtered by the filter screen. 12 is blocked in the inner cavity of the purification cylinder 1, that is, the wastewater is subjected to three-stage centrifugal solid-liquid separation and purification; The first-stage centrifugal filtration treatment rotating with the second filter frame 43, the second-stage purification treatment of solid-liquid separation of the baffle 44, and the third-stage centrifugal solid-liquid separation purification treatment of the stirring plate 45 in cooperation with the filter screen 12; The pipe 11 discharges the treated wastewater to the subsequent wastewater treatment process, that is, the primary purification treatment of the wastewater is completed.

The utility model integrates the functions of filtration and stirring, centrifugal separation and solid-liquid separation for three-stage wastewater purification and treatment, and the operation is simple and convenient, and the wastewater can be sequentially subjected to the first-stage centrifugal filtration treatment, the second-stage solid-liquid separation and purification treatment, and the third-stage centrifugal solid-liquid treatment. Separation and purification treatment can speed up the efficiency of wastewater purification, greatly reduce the content of suspended particles in wastewater, improve the purification effect of wastewater, reduce the difficulty of subsequent wastewater purification treatment, facilitate the rapid progress of the subsequent wastewater purification treatment process, and is conducive to the The popularization and use of the primary purification treatment device for domestic wastewater solves the problems that the existing primary purification treatment device for domestic wastewater has a single function, a large amount of suspended solids contained in the wastewater, low wastewater purification efficiency and poor purification effect.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A primary purification treatment device for domestic wastewater, comprising a purification cylinder (1), a stirring cylinder (2) vertically fixed to the top of the purification cylinder (1) and communicated with the inner cavity of the purification cylinder (1), and a vertically fixed mixing cylinder (2) A motor (3) connected to the top of the mixing drum (2); characterized in that: the inner cavity of the mixing drum (2) is connected with a water purifying paddle (4), and the water purifying paddle (4) is used to rotate the waste water Purification treatment; the output shaft (31) of the motor (3) is drive-connected to the top of the water purification paddle (4) through a coupling (32). 2 . The primary purification treatment device for domestic wastewater according to claim 1 , wherein the water purifying paddle ( 4 ) comprises a stirring shaft ( 41 ) vertically extending into the inner cavity of the stirring drum ( 2 ), from top to bottom. 3 . The first filter frame (42) and the second filter frame (43) that are sleeved on the outer surface of the stirring shaft (41) in turn, and the stopper located below the second filter frame (43) and sleeved on the outer surface of the stirring shaft (41) A net (44) and a stirring plate (45) located in the inner cavity of the purification cylinder (1) and sleeved on the bottom end of the stirring shaft (41); the top of the stirring shaft (41) extends above the stirring cylinder (2) The output shaft (31) of the motor (3) is connected to the output shaft (31) through a coupling (32); the outer side wall of the blocking net (44) is in close contact with the inner cylinder wall of the mixing drum (2). 3 . The primary purification treatment device for domestic wastewater according to claim 2 , wherein the first filter frame ( 42 ) and the second filter frame ( 43 ) both comprise a No. 1 filter screen ( 421 ) and a No. 2 filter Net (422), the No. 1 strainer (421) is laterally fixed to the left side of the stirring shaft (41), and the No. 2 strainer (422) is located below the No. 1 strainer (421) and is laterally fixed to the stirring shaft (422). 41) to the right. 4. The primary purification treatment device for domestic wastewater according to claim 3, characterized in that: the top view shapes of the No. 1 filter screen (421) and the No. 2 filter screen (422) are both semicircular structures, and the No. 1 filter screen (422) Neither the left side wall of the net (421) nor the right side wall of the No. 2 strainer (422) are fitted to the inner wall of the mixing drum (2); the No. 1 strainer (421) and the No. 2 strainer (422) 422) all include a screen plate (4211), a connecting block (4212) fixed in the middle of the side straight surface of the screen plate (4211), and a shaft opened in the middle of the connecting block (4212) for the stirring shaft (41) to pass through vertically hole (4213); the top view shape of the screen plate (4211) is a semicircle structure; the top view shape of the connecting block (4212) is a circular structure, the connecting block (4212) and the screen plate (4211) adopt All-in-one connection. 5 . The primary purification treatment device for domestic wastewater according to claim 2 , wherein the top-view shape of the stirring plate (45) is in a “ten” or “X” shape, and the stirring plate (45) includes a fixed socket. 6 . The fixed block (451) on the outer surface of the stirring shaft (41), and four sets of rotating plates (452) distributed on the outer side wall of the fixed block (451) in a ring shape; the side walls of the rotating plates (452) of each group are not attached On the inner wall of the purifying cylinder (1), each group of rotating plates (452) has a rectangular structure in front view. 6 . The primary purification treatment device for domestic wastewater according to claim 1 , wherein a drain pipe ( 11 ) is connected to the bottom surface of the right side of the purification cylinder ( 1 ), and the inner cavity of the purification cylinder ( 1 ) is connected vertically. 7 . There is a filter screen (12); the filter screen (12) is located on the right side of the stirring plate (45) and is close to the water inlet of the drain pipe (11), and the filter screen (12) is used to cooperate with the water purification paddle (4) Carry out wastewater purification treatment. 7. The primary purification treatment device for domestic waste water according to claim 1, characterized in that: a waste water introduction pipe (21) is fixedly connected to the top surface of the left side wall of the mixing drum (2), and the waste water introduction pipe (21) The inner cavity of the mixing drum (2) communicates with the inner cavity of the mixing drum (2), and the cross-sectional shape of the waste water introduction pipe (21) is an "L"-shaped structure.

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