CN211283995U - A purification sedimentation tank for environmental protection engineering sewage treatment - Google Patents

Abstract

The utility model discloses a purification and sedimentation tank for environmental protection engineering sewage treatment. A conical filter screen is fixedly installed on the top of the annular support plate, a rotating shaft located above the conical filter screen is installed in the cabinet, a stirring rod is fixedly installed on the rotating shaft, and inclined rods located below the stirring rod are fixedly installed on both sides of the rotating shaft. The bottoms of the two inclined rods are fixedly installed with first scrapers, and the bottoms of the two first scrapers are both in contact with the conical filter screen. The sides of the two first scrapers that are far away from each other are fixedly installed with a second scraper , the top of the cabinet is fixedly installed with a motor. The utility model has the advantages of reasonable design, good practicability, good effect of sedimentation and purification of sewage, fast sedimentation speed, improved work efficiency, and convenient discharge of sediment impurities in the cabinet.

Description

A purification sedimentation tank for environmental protection engineering sewage treatment

technical field

The utility model relates to the technical field of sedimentation tank equipment, in particular to a purification sedimentation tank for environmental protection engineering sewage treatment.

Background technique

Sedimentation tank is a structure that uses sedimentation to remove suspended solids in water, equipment for purifying water quality, and uses natural precipitation or coagulation sedimentation of water to remove suspended solids in water. The project sewage is subjected to precipitation purification treatment, and then discharged to reduce pollution and damage to the ecological environment.

However, in the prior art, when the sewage is subjected to precipitation and purification treatment in the sedimentation tank, the mixing of the sewage and the flocculant is not uniform, and the reaction is not sufficient, resulting in a poor effect of precipitation and purification on the sewage, and the sedimentation speed is slow, resulting in reduced work efficiency. Moreover, it is inconvenient to discharge impurities such as sludge and sediment out of the sedimentation tank. Therefore, we propose a purification sedimentation tank for environmental protection engineering sewage treatment to solve the above problems.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a purification sedimentation tank for environmental protection engineering sewage treatment, which solves the problem that when the sewage is subjected to sedimentation and purification treatment in the sedimentation tank, the effect of sedimentation and purification of the sewage is not good, and the sedimentation speed is slow, resulting in The work efficiency is reduced, and it is inconvenient to discharge impurities such as sludge and sediment out of the sedimentation tank.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: a purification sedimentation tank for environmental protection engineering sewage treatment, including a cabinet body, a sewage pipe is fixedly installed on the top of the cabinet body, the sewage pipe is communicated with the inside of the cabinet body, and the cabinet body is A ring-shaped support plate is fixedly installed in the body, a conical filter screen is fixedly installed on the top of the ring-shaped support plate, a rotating shaft is arranged above the conical filter screen in the cabinet, a stirring rod is fixedly installed on the rotating shaft, and both sides of the rotating shaft are fixedly installed with The inclined rods located under the stirring rod, the bottoms of the two inclined rods are fixedly installed with first scrapers, and the bottoms of the two first scrapers are in contact with the conical filter screen. The side of the two first scrapers away from each other The second scraper is fixedly installed, the top of the cabinet is fixedly installed with the motor, the top inner wall of the cabinet is provided with a mounting hole, the top of the rotating shaft penetrates the mounting hole and is fixedly connected with the output shaft end of the motor, one side of the cabinet is The sewage pump is fixedly installed, the suction end of the sewage pump is fixedly installed with a first water pipe, the end of the first water pipe away from the sewage pump extends into the cabinet and is located under the annular support plate, the discharge end of the sewage pump is fixedly installed with a second water pipe, The end of the second water pipe away from the sewage pump extends into the cabinet and is located above the stirring rod. The side of the cabinet away from the sewage pump is fixedly installed with a water outlet pipe. A sludge discharge pump is installed. The suction end of the sludge discharge pump is fixedly installed with a first sludge pipe. One end of the first sludge pipe is fixedly installed on one side of the cabinet and communicated with the inside of the cabinet. The first sludge pipe is located at Above the annular support plate, a second sludge pipe is fixedly installed at the discharge end of the sludge discharge pump.

Preferably, a dosing pipe is fixedly installed on the top of the cabinet, and the dosing pipe communicates with the inside of the cabinet.

Preferably, activated carbon plates are fixedly installed on the inner walls of both sides of the cabinet body, the two activated carbon plates are inclined and both are located below the annular support plate.

Preferably, the number of the stirring rods is six, and the six stirring rods are arranged symmetrically in pairs.

Preferably, a bearing is fixedly sleeved on the rotating shaft, and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.

Preferably, a stop valve is fixedly installed on the water outlet pipe.

(3) Beneficial effects

The utility model provides a purification sedimentation tank for environmental protection engineering sewage treatment. Has the following beneficial effects:

(1) This kind of purification and sedimentation tank for sewage treatment in environmental protection projects flows into the cabinet through the sewage pipe, puts an appropriate amount of flocculation agent into the cabinet from the dosing pipe, starts the motor and the sewage pump, and the motor drives the rotating shaft, six The stirring rod, the two inclined rods, the two first scrapers and the two second scrapers rotate, and the sewage and the flocculation agent are stirred and mixed evenly by the rotation of the six stirring rods and the two inclined rods, and the sediment is fully produced. The two first scrapers and the two second scrapers can be used to clean the sediment avoided by the conical filter, so as to prevent the sediment from clogging the mesh holes of the conical filter. Under the action of the sewage pump, the cabinet can be cleaned. The sewage is circulated and flowed, so as to effectively filter the sewage, so that the sediment and impurities in the sewage remain above the conical filter screen, and the residual chlorine, colloid, organic matter and heavy metal ions in the sewage can be removed by using two activated carbon plates. , Small particle impurities, odors, etc. are adsorbed and purified. After stirring the sewage in the cabinet, stop the motor and sewage pump, open the stop valve, and the purified sewage is discharged from the outlet pipe.

(2) This kind of purification sedimentation tank for sewage treatment in environmental protection projects, by starting the motor regularly, makes the two first scrapers and the two second scrapers rotate, and then starts the sludge pump, using the two first scrapers The rotation of the plate and the two second scrapers pushes the sediment impurities remaining on the conical filter to rotate, and when the sediment impurities are pushed to the position of the first sludge pipe, the sludge discharge pump can be used to discharge the sediment impurities to the cabinet In vitro, so as to facilitate the discharge of sediment impurities in the cabinet.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the front view of the utility model;

FIG. 2 is an enlarged schematic view of part A in FIG. 1 .

In the figure: 1. Cabinet body; 2. Sewage pipe; 3. Ring support plate; 4. Conical filter screen; 5. Rotating shaft; 6. Stirring rod; 7. Inclined rod; Second scraper; 10, motor; 11, installation hole; 12, sewage pump; 13, first water pipe; 14, second water pipe; 15, water outlet pipe; 16, sludge pump; 17, first sludge pipe; 18 , the second sludge pipe; 19, the dosing pipe; 20, the activated carbon 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.

As shown in Figures 1-2, the present utility model provides a technical solution: a purification sedimentation tank for environmental protection engineering sewage treatment, comprising a cabinet 1, a sewage pipe 2 is fixedly installed on the top of the cabinet 1, and the sewage pipe 2 is connected to the cabinet. The interior of the body 1 is connected, the cabinet body 1 is fixedly installed with an annular support plate 3, the top of the annular support plate 3 is fixedly installed with a conical filter screen 4, and the cabinet body 1 is provided with a rotating shaft 5 above the conical filter screen 4, A stirring rod 6 is fixedly installed on the rotating shaft 5, an inclined rod 7 located below the stirring rod 6 is fixedly installed on both sides of the rotating shaft 5, and a first scraper 8 is fixedly installed at the bottom of the two inclined rods 7. The bottom of the scraper 8 is in contact with the conical filter screen 4. The two first scrapers 8 are fixedly installed on the sides away from each other. The second scraper 9 is fixedly installed. The top of the cabinet 1 is fixedly installed with a motor 10. The cabinet 1 There is a mounting hole 11 on the inner wall of the top of the cabinet. The top of the rotating shaft 5 penetrates the mounting hole 11 and is fixedly connected with the output shaft end of the motor 10. One side of the cabinet 1 is fixedly installed with a sewage pump 12, and the suction end of the sewage pump 12 is fixedly installed with a The first water pipe 13, the end of the first water pipe 13 away from the sewage pump 12 extends into the cabinet 1 and is located under the annular support plate 3, the discharge end of the sewage pump 12 is fixedly installed with a second water pipe 14, and the second water pipe 14 is far away from the sewage One end of the pump 12 extends into the cabinet 1 and is located above the stirring rod 6. The side of the cabinet 1 away from the sewage pump 12 is fixedly installed with an outlet pipe 15. The outlet pipe 15 communicates with the interior of the cabinet 1, and the cabinet 1 is far away from the A sludge discharge pump 16 is fixedly installed on one side of the sewage pump 12, a first sludge pipe 17 is fixedly installed at the suction end of the sludge discharge pump 16, and one end of the first sludge pipe 17 is fixedly installed on one side of the cabinet 1 and is connected with the cabinet 1. The interior of the cabinet 1 is communicated, the first sludge pipe 17 is located above the annular support plate 3 , and the discharge end of the sludge discharge pump 16 is fixedly installed with a second sludge pipe 18 .

The top of the cabinet body 1 is fixedly installed with a dosing tube 19. The dosing tube 19 is communicated with the inside of the cabinet body 1. Activated carbon plates 20 are fixedly installed on the inner walls of both sides of the cabinet body 1. The two activated carbon plates 20 are inclined. The activated carbon plates 20 are all located under the annular support plate 3, the number of stirring rods 6 is six, and the six stirring rods 6 are arranged symmetrically in twos. The rotating shaft 5 is fixedly sleeved with a bearing. The outer ring of the bearing and the mounting hole 11 The inner wall of the water outlet is fixedly connected, and the water outlet pipe 15 is fixedly installed with a stop valve.

When in use, a control switch and a power cord are installed on the cabinet 1. The motor 10, the sewage pump 12, the sludge pump 16, the control switch and the power cord are electrically connected in sequence to form a loop. The control switch can control the motor 10 and the sewage pump 12 respectively. , the start and stop of the sludge pump 16, the sewage flows into the cabinet 1 from the sewage pipe 2, the appropriate amount of flocculation agent is injected into the cabinet 1 from the dosing pipe 19, the motor 10 and the sewage pump 12 are started to work, and the motor 10 drives the rotating shaft 5 , six stirring rods 6 and two inclined rods 7 rotate, and the two inclined rods 7 drive the corresponding first scraper 8 and second scraper 9 to rotate respectively. Rotate, stir and mix the sewage and the flocculation agent evenly, and generate sediment. The two first scrapers 8 and the two second scrapers 9 can clean the sediment avoided by the conical filter screen 4 to avoid sediment blockage. Under the action of the sewage pump 12, the mesh holes on the conical filter screen 4, the sewage located under the conical filter screen 4 in the cabinet 1 is sequentially discharged into the cone through the first water pipe 13, the sewage pump 12 and the second water pipe 14. Above the filter screen 4, the sewage in the cabinet 1 is circulated, so as to effectively filter the sewage, so that the sediment and impurities in the sewage remain above the conical filter screen 4, and the two activated carbon plates 20 can be used. Absorb and purify residual chlorine, colloids, organic matter, heavy metal ions, fine particles of impurities, peculiar smell, etc. in the sewage. After stirring the sewage in the cabinet 1, stop the motor 10 and the sewage pump 12, and open the outlet pipe 15. The shut-off valve, the purified sewage is discharged from the water outlet pipe 15, and the sludge pump 16 and the motor 10 can be started to work regularly. The motor 10 drives the rotating shaft 5, six stirring rods 6, two inclined rods 7, and two first scrapers 8 It rotates with the two second scrapers 9, and the rotation of the two first scrapers 8 and the two second scrapers 9 can push the sediment impurities remaining on the conical filter screen 4 to rotate, and push the sediment impurities to When the first sludge pipe 17 is located, the sludge pump 16 can be used to discharge the sediment impurities to the outside of the cabinet 1, so as to facilitate the discharge of the sediment impurities in the cabinet 1, and the contents are not described in detail in this manual. All belong to the prior art known to those skilled in the art.

To sum up, in the purification and sedimentation tank for sewage treatment of environmental protection projects, sewage flows into the cabinet 1 from the sewage pipe 2, and an appropriate amount of flocculation agent is injected into the cabinet 1 from the dosing pipe 19, and the motor 10 and the sewage pump 12 are started. Work, the motor 10 drives the rotating shaft 5, six stirring rods 6, two inclined rods 7, two first scrapers 8 and two second scrapers 9 to rotate, using the rotation of six stirring rods 6 and two inclined rods 7 , the sewage and the flocculation agent are stirred and mixed evenly, and the sediment is fully produced. The two first scrapers 8 and the two second scrapers 9 can be used to clean the sediment avoided by the conical filter screen 4 to avoid sediment clogging. The mesh holes on the conical filter screen 4, under the action of the sewage pump 12, can make the sewage in the cabinet 1 circulate and flow, thereby effectively filtering the sewage, so that the sediment and impurities in the sewage remain in the conical Above the filter screen 4, two activated carbon plates 20 can be used to adsorb and purify residual chlorine, colloids, organic matter, heavy metal ions, fine particles of impurities, peculiar smell, etc. in the sewage. After stirring the sewage in the cabinet 1, stop the motor. 10 and the sewage pump 12 work, open the shut-off valve, the purified sewage is discharged from the water outlet pipe 15, and the motor 10 can be started to work regularly, so that the two first scrapers 8 and the two second scrapers 9 are rotated, and then the sludge discharge is started. The pump 16 uses the rotation of the two first scrapers 8 and the two second scrapers 9 to push the sediment impurities remaining on the conical filter screen 4 to rotate, and push the sediment impurities to the position of the first sludge pipe 17 When the sludge discharge pump 16 is used, the sediment impurities can be discharged to the outside of the cabinet body 1, so that the sediment impurities in the cabinet body 1 can be discharged conveniently. The precipitation speed is fast, the work efficiency is improved, and the sediment impurities in the cabinet 1 are easily discharged.

Claims (6)

1. The utility model provides an environmental protection engineering sewage treatment is with purifying sedimentation tank, includes the cabinet body (1), its characterized in that: the top of the cabinet body (1) is fixedly provided with a sewage pipe (2), the sewage pipe (2) is communicated with the inside of the cabinet body (1), the cabinet body (1) is internally and fixedly provided with an annular supporting plate (3), the top of the annular supporting plate (3) is fixedly provided with a conical filter screen (4), a rotating shaft (5) positioned above the conical filter screen (4) is arranged in the cabinet body (1), a stirring rod (6) is fixedly arranged on the rotating shaft (5), two sides of the rotating shaft (5) are both fixedly provided with inclined rods (7) positioned below the stirring rod (6), the bottoms of the two inclined rods (7) are both fixedly provided with first scraping plates (8), the bottoms of the two first scraping plates (8) are both contacted with the conical filter screen (4), one side of the two first scraping plates (8) far away from each other is both fixedly provided with a second scraping plate (9), the top of the cabinet, a mounting hole (11) is formed in the inner wall of the top of the cabinet body (1), the top end of the rotating shaft (5) penetrates through the mounting hole (11) and is fixedly connected with the output shaft end of the motor (10), a sewage pump (12) is fixedly mounted on one side of the cabinet body (1), a first water pipe (13) is fixedly mounted at the suction end of the sewage pump (12), one end, far away from the sewage pump (12), of the first water pipe (13) extends into the cabinet body (1) and is positioned below the annular supporting plate (3), a second water pipe (14) is fixedly mounted at the discharge end of the sewage pump (12), one end, far away from the sewage pump (12), of the second water pipe (14) extends into the cabinet body (1) and is positioned above the stirring rod (6), a water outlet pipe (15) is fixedly mounted on one side, far away from the sewage pump (12), of the cabinet body (1), the water outlet pipe (15) is communicated with the interior of the cabinet body (1), a sludge discharge pump (16), the suction end fixed mounting of sludge pump (16) has first sludge pipe (17), and the one end fixed mounting of first sludge pipe (17) is in one side of the cabinet body (1) and is linked together with the cabinet body (1) is inside, and first sludge pipe (17) are located the top of annular backup pad (3), and the discharge end fixed mounting of sludge pump (16) has second sludge pipe (18).

2. The purification and sedimentation tank for environmental protection engineering sewage treatment according to claim 1, wherein: the top of the cabinet body (1) is fixedly provided with a dosing pipe (19), and the dosing pipe (19) is communicated with the inside of the cabinet body (1).

3. The purification and sedimentation tank for environmental protection engineering sewage treatment according to claim 1, wherein: equal fixed mounting has activated carbon plate (20) on the both sides inner wall of the cabinet body (1), and two activated carbon plates (20) are the slope setting, and two activated carbon plates (20) all are located the below of annular support board (3).

4. The purification and sedimentation tank for environmental protection engineering sewage treatment according to claim 1, wherein: the number of the stirring rods (6) is six, and the six stirring rods (6) are arranged in a pairwise symmetrical mode.

5. The purification and sedimentation tank for environmental protection engineering sewage treatment according to claim 1, wherein: the rotating shaft (5) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole (11).

6. The purification and sedimentation tank for environmental protection engineering sewage treatment according to claim 1, wherein: and a stop valve is fixedly arranged on the water outlet pipe (15).

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