CN220745613U

CN220745613U - Waste water treatment equipment

Info

Publication number: CN220745613U
Application number: CN202322221040.6U
Authority: CN
Inventors: 边调调
Original assignee: Yulin Traditional Chinese Medicine Hospital
Current assignee: Yulin Traditional Chinese Medicine Hospital
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-09
Anticipated expiration: 2033-08-17

Abstract

The utility model provides wastewater treatment equipment, which belongs to the technical field of wastewater treatment and comprises: the device comprises a disinfection tank, a dechlorination tank, an activated sludge reaction tank and a sedimentation tank which are sequentially communicated, wherein the activated sludge reaction tank comprises an aerobic tank and an anaerobic tank, and one side of the disinfection tank is connected with a water inlet pipe; when the sewage treatment device works, the sewage is firstly treated by the disinfection tank and the dechlorination tank, then the treated sewage flows into the activated sludge reaction tank, under the action of the inflating piece and the stirring piece, the organic matters in the sewage fully contact with the activated sludge, so that the organic matters are decomposed and absorbed, then the decomposed and absorbed muddy water mixed solution flows into the sedimentation tank, the clarified water is partially discharged through the water outlet pipe, the activated sludge is partially discharged through the mud outlet, and the part of the activated sludge is returned to the activated sludge reaction tank by the suction piece for recycling, and the discharged sewage does not contain the organic matters and cannot cause pollution.

Description

Waste water treatment equipment

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to wastewater treatment equipment.

Background

The clinical laboratory of the hospital is an important auxiliary department of medical institutions, and mainly bears the detection work of various physical examination and various human and animal specimens of scientific research, and a certain amount of detection waste liquid is generated during detection, wherein the detection waste liquid contains a large amount of pathogenic microorganisms, chemical agents, detergents and other organic matters and can be discharged into a sewer after sewage treatment.

When the existing wastewater treatment equipment works, wastewater is discharged into a water collecting tank through a pipeline, then the wastewater is treated sequentially through an adjusting tank, an acid-base neutralization tank and a disinfection tank, and the wastewater treatment equipment can realize disinfection treatment of the wastewater, but the disinfected wastewater still contains organic matters such as chemical agents, detergents and the like, and can still cause pollution after being discharged.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects that the waste water after disinfection treatment still contains organic matters such as chemical agents, detergents and the like in the prior art and can cause pollution after being discharged, thereby providing the waste water treatment equipment.

In order to solve the above technical problems, the present utility model provides a wastewater treatment apparatus comprising:

the disinfection tank is provided with a water inlet pipe;

the activated sludge reaction tank is communicated with the dechlorination tank through a first pipeline, the inner ring is an anaerobic tank, the outer ring is an aerobic tank, and activated sludge for absorbing organic matters is arranged in the activated sludge reaction tank;

the air outlet end of the air charging piece is communicated with the activated sludge reaction tank, and the air charging piece is used for providing oxygen necessary for microorganism growth and organic matter decomposition;

the first stirring piece is used for enabling the muddy water mixed solution in the activated sludge reaction tank to be in a severe mixing state, so that the activated sludge, dissolved oxygen and organic matters in sewage can be fully contacted;

the sedimentation tank is communicated with the activated sludge reaction tank through a second pipeline, the sedimentation tank is provided with a water outlet pipe and a sludge outlet, the sludge outlet is positioned at the bottom of the sedimentation tank, the water outlet pipe is positioned on the side wall of the sedimentation tank, and the position of the water outlet pipe is higher than that of the second pipeline;

one end of the suction piece is communicated with the bottom of the sedimentation tank, and the other end of the suction piece is communicated with the aerobic tank.

Optionally, the anaerobic tank is provided with an exchange port which is used for communicating with the aerobic tank, and the exchange port is used for enabling the muddy water mixed solution to flow from the anaerobic tank to the aerobic tank.

Optionally, the aerobic tank and/or the anaerobic tank is a circular tank.

Optionally, the first stirring piece is provided with at least two symmetrically arranged on two sides of the anaerobic tank.

Optionally, the first stirring piece adopts a motor, the driving end of the first stirring piece is connected with an aerator, and the air outlet end of the aeration piece is communicated with the aerobic tank through the aerator.

Optionally, the method further comprises: and the stirring end of the second stirring piece stretches into the anaerobic tank, and the second stirring piece is used for improving the fluidity of the mud-water mixture.

Optionally, the method further comprises: the disinfection pond is located the top of dechlorination pond, connects through the solenoid valve between the two.

Optionally, the bottom of the sedimentation tank is in an inverted trapezoid shape.

Optionally, a filter is connected to the disinfection tank, and the filter is located below one end of the water inlet pipe extending to the inner part of the disinfection tank.

Optionally, the method further comprises: the automatic dosing device is respectively arranged in the disinfection tank and the dechlorination tank.

The technical scheme of the utility model has the following advantages:

1. the wastewater treatment equipment provided by the utility model is characterized in that when in operation, wastewater is firstly treated by the disinfection tank and the dechlorination tank, then the treated wastewater flows into the activated sludge reaction tank, organic matters in the wastewater fully contact with activated sludge under the action of the inflating piece and the stirring piece, and then the organic matters are decomposed and absorbed, then the decomposed and absorbed muddy water mixed solution flows into the sedimentation tank, a clarified water part is discharged through the water outlet pipe, an activated sludge part is discharged through the sludge outlet, and a part returns to the activated sludge tank for recycling through the suction piece, so that the discharged wastewater does not contain organic matters and cannot cause pollution.

2. According to the wastewater treatment equipment provided by the utility model, under the action of microorganisms, anaerobic hydrolysis acidification and denitrification are carried out in the anaerobic tank, aerobic oxidation and nitrification of ammonia nitrogen are carried out in the aerobic tank, so that complex organic matters are degraded into simple molecules.

3. According to the wastewater treatment equipment provided by the utility model, the filtering piece can carry out solid-liquid separation before wastewater enters the disinfection tank, so that the phenomenon that solid impurities enter the disinfection tank to cause blockage inside the disinfection tank is avoided, and meanwhile, the solid impurities are more convenient to clean because the filtering piece is concentrated together.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a wastewater treatment apparatus provided in a first embodiment of the present utility model;

fig. 2 is an enlarged schematic view of the first stirring member of fig. 1.

Reference numerals illustrate:

1. a sterilizing pool; 2. a dechlorination pool; 3. a water inlet pipe; 4. an activated sludge reaction tank; 5. a first pipe; 6. an inflatable member; 7. a first stirring member; 8. a sedimentation tank; 9. a second pipe; 10. a water outlet pipe; 11. a mud outlet; 12. an aerobic tank; 13. an anaerobic tank; 14. an exchange port; 15. an aerator; 16. a second stirring member; 17. a suction member; 18. a filter; 19. an automatic medicine adding device.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, a specific embodiment of the wastewater treatment apparatus provided in this embodiment includes: the disinfection pond 1, dechlorination pond 2, activated sludge reaction pond 4, sedimentation tank 8 that communicate in proper order, activated sludge reaction pond 4 includes good oxygen pond 12 and anaerobism pond 13, wherein one side of disinfection pond 1 is connected with inlet tube 3, the one end of inlet tube 3 is located the external world, the other end is located disinfection pond 1, activated sludge has been placed to the inside of activated sludge reaction pond 4, activated sludge can absorb, decompose the organic matter, first stirring piece 7 stretches into good oxygen pond 12, drive activated sludge and waste water fully fuse, contact, sedimentation tank 8 has outlet pipe 10 and outlet 11, the clear water part after the processing is discharged through outlet pipe 10, remaining activated sludge can pass through outlet 11 and discharge, set up suction piece 17 between sedimentation tank 8 and good oxygen pond 12, in this embodiment, the air pump can be used to aerify piece 6, with external oxygen to good oxygen pond 12 inside, suction piece 17 can be the air pump, both ends connecting tube.

The wastewater treatment equipment provided by this embodiment, during operation waste water is first treated through disinfection pond 1 and dechlorination pond 2, then make the waste water after the treatment flow into activated sludge reaction tank 4, under the effect of inflatable member 6 and stirring spare, the organic matter in the waste water fully contacts with activated sludge, and then decompose the absorption with the organic matter, then make the muddy water mixed solution after decomposing the absorption flow into sedimentation tank 8, clear water part is discharged through outlet pipe 10, activated sludge part is discharged through outlet mud mouth 11, part returns to the activated sludge reaction tank through suction member 17 and recycles, the organic matter is not contained in the waste water after the discharge, can not cause the pollution.

As shown in fig. 1, in the wastewater treatment apparatus provided in this embodiment, the anaerobic tank 13 is provided with an exchange port 14 for communicating with the aerobic tank, and the exchange port 14 is used for allowing the muddy water mixture to flow from the anaerobic tank 13 to the aerobic tank 12. The circulation of the muddy water mixed flow can be completed through the exchange port 14, other tools are not needed, the treatment effect can be ensured, and the energy consumption can be reduced, so that the use cost is saved. In addition, as an alternative embodiment, a water pump may be used instead of the exchange port 14 to accelerate the flow rate of the muddy water mixture, thereby accelerating the processing speed.

As shown in fig. 1, in the wastewater treatment apparatus provided in this embodiment, the anaerobic tank 13 and/or the aerobic tank 12 are circular tanks, and in this embodiment, both are circular tanks. When the mud-water mixture flows in the interior, the blocking force on the mud-water mixture is small because the shape of the pool is round, the first stirring piece 7 is convenient to work, the energy consumption is saved, and the use cost is reduced. In addition, as an alternative embodiment, the anaerobic tank 13 is circular, the aerobic tank 12 is rectangular, triangular, or the like, or the aerobic tank 12 is circular, and the anaerobic tank 13 is rectangular, triangular, or the like.

As shown in fig. 1, in the wastewater treatment apparatus provided in this embodiment, the first stirring members 7 are at least two symmetrically disposed on two sides of the anaerobic tank 13, in this embodiment, the number of the first stirring members 7 is two, and the plurality of first stirring members 7 can make the activated sludge in the aerobic tank 12 and the wastewater in a very severe mixed state, so as to promote the absorption effect on the organic matters in the wastewater. In addition, as an alternative embodiment, the number of the first stirring members 7 may be three or four, and the stirring members may be arranged centering on the anaerobic tank 13.

As shown in fig. 1 and 2, in the wastewater treatment apparatus provided in this embodiment, the first stirring member 7 adopts a motor, the driving end thereof is connected with an aerator 15, the air outlet end of the aerator 6 is communicated with the aerobic tank 12 through the aerator 15, specifically, the aerator 15 includes stirring rods and a post rod, each stirring rod is provided with an air outlet hole, the aerator 6 is mounted on the first stirring member 7, the middle of the main rod is provided with a flexible rotating part, the flexible rotating part is connected with the air outlet end, the connection of the aerator 6 is avoided due to the rotation of the main rod, the main rod of the aerator 15 is connected with the first stirring member 7, the activated sludge can be fully contacted with the wastewater along with the rotation of the aerator 15, and oxygen is continuously added into the wastewater in the stirring process under the action of the aerator 6, so that the organic matters in the wastewater are fully absorbed. In addition, as an alternative embodiment, the air outlet end of the air charging member 6 can also be directly inserted into the aerobic tank 12 and connected with other external mechanisms so as to enable the air charging member 6 to perform circular motion.

As shown in fig. 1, in the wastewater treatment apparatus provided in this embodiment, the apparatus further includes a second stirring member 16, where a stirring end of the second stirring member 16 extends into the anaerobic tank 13, in this embodiment, the second stirring member 16 may be a motor, and a driving end of the second stirring member is connected with a stirring rod, where the stirring rod extends into the anaerobic tank 13, and under the action of the second stirring member 16, a flow speed of a mud-water mixture between the aerobic tank 12 and the anaerobic tank 13 is increased, so that a wastewater treatment speed is increased, and a working efficiency is improved. Alternatively, the activated sludge reaction tank 4 may be inclined, and the wastewater in the anaerobic tank 13 may be introduced into the aerobic tank 12 through the exchange port 14 by gravity.

As shown in fig. 1, in the wastewater treatment equipment provided in this embodiment, the disinfection tank 1 is located above the dechlorination tank 2, and is connected through the solenoid valve between the two, and the solenoid valve can automatically control the mobility of wastewater, need not the manual care, and is more automatic to wastewater can enter into the dechlorination tank 2 through gravity, and its velocity of circulation is faster. In addition, as an alternative embodiment, the disinfection tank 1 and the dechlorination tank 2 can be horizontally arranged, and the two tanks are connected through a pipeline.

As shown in fig. 1, in the wastewater treatment apparatus provided in this embodiment, the bottom of the sedimentation tank 8 is in an inverted trapezoid shape. The inverted trapezoid can concentrate the activated sludge together, the concentrated activated sludge is more convenient to sink, and the activated sludge is discharged through the sludge outlet 11 or reentered into the activated sludge reaction tank 4 according to different conditions, so that the fluidity of the activated sludge is improved. In addition, as an alternative embodiment, the bottom of the sedimentation tank 8 may be of a regular shape, for example, rectangular, and a vibration device is connected to the outside thereof, so that the fluidity of the activated sludge is improved by vibrating the sedimentation tank 8.

As shown in fig. 1, in the wastewater treatment apparatus provided in this embodiment, a filter 18 is connected to the disinfection tank 1, the filter 18 is located below the water inlet pipe 3, and in this embodiment, the filter 18 may be a hanging basket assembled by a filter screen. The filter 18 can carry out solid-liquid separation before entering into disinfection pond 1 with waste water, avoids solid impurity to enter into disinfection pond 1 in, leads to inside to take place to block up, and solid impurity is because filter 18 is concentrated together, and it is also more convenient when clear up simultaneously. In addition, as an alternative embodiment, the filter element 18 may also be a filter plate with a filter aperture structure.

As shown in fig. 1, in the wastewater treatment apparatus provided in this embodiment, an automatic chemical adding device 19 is installed in each of the disinfection tank 1 and the dechlorination tank 2, the chemical added in the disinfection tank 1 is a chlorine-containing disinfectant, and the chemical added in the dechlorination tank 2 is sodium thiosulfate. The automatic medicine feeding device 19 is a shell, a plurality of medicines are installed in the shell, the medicines are sequentially arranged along the vertical direction, an electric baffle is arranged at the bottom of the shell, and the medicines can fall into a corresponding reaction tank by moving the electric baffle, and work is performed by manual control or automatic control of a system. Through automatic medicine adding device 19 to the inside medicament that adds of corresponding pond, need not the manual work and add, more intelligent improves the convenience of use. In addition, as an alternative embodiment, the agent may be added manually.

The working flow of the wastewater treatment equipment provided by the embodiment is as follows:

1. the wastewater enters the disinfection tank 1 through the water inlet pipe 3, and the automatic dosing device 19 adds chlorine-containing disinfectant into the wastewater to sterilize pathogenic microorganisms and the like.

2. The treated wastewater enters the dechlorination tank 2 through a first pipeline 5, and an automatic dosing device 19 adds sodium thiosulfate into the wastewater; the sodium thiosulfate is a common dechlorinating agent, has strong reducibility, and can reduce sodium hypochlorite in water.

3. The treated wastewater enters the anaerobic tank 13 through the second pipeline 9, then enters the aerobic tank 12 through the exchange port 14 by stirring of the second stirring piece 16, and organic matters in the wastewater are decomposed and absorbed under the action of activated sludge.

4. The mud-water mixture enters the sedimentation tank 8, the activated sludge is settled at the bottom, clarified water is discharged through the water outlet pipe 10, part of the activated sludge is discharged through the mud outlet 11, and the other part of the activated sludge is re-entered into the aerobic tank 12 through the suction piece 17 for recycling.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A wastewater treatment facility, comprising:

a disinfection tank (1) and a dechlorination tank (2) communicated with the disinfection tank (1), wherein the disinfection tank (1) is provided with a water inlet pipe (3);

the activated sludge reaction tank (4) is communicated with the dechlorination tank (2) through a first pipeline (5), an inner ring is an anaerobic tank (13), an outer ring is an aerobic tank (12), and activated sludge for absorbing organic matters is arranged in the activated sludge reaction tank (4);

the air outlet end of the air charging piece (6) is communicated with the aerobic tank (12), and the air charging piece (6) is used for providing oxygen necessary for microorganism growth and organic matter decomposition;

the stirring end of the first stirring piece (7) extends into the aerobic tank (12), and the first stirring piece (7) is used for enabling the muddy water mixed solution in the aerobic tank (12) to be in a severe mixing state so that the activated sludge, dissolved oxygen and organic matters in sewage can be fully contacted;

the sedimentation tank (8) is communicated with the aerobic tank (12) through a second pipeline (9), the sedimentation tank (8) is provided with a water outlet pipe (10) and a mud outlet (11), the mud outlet (11) is positioned at the bottom of the sedimentation tank (8), the water outlet pipe (10) is positioned on the side wall of the sedimentation tank (8), and the position of the water outlet pipe (10) is higher than that of the second pipeline (9);

and one end of the suction piece (17) is communicated with the bottom of the sedimentation tank (8), and the other end of the suction piece is communicated with the aerobic tank (12).

2. The wastewater treatment apparatus according to claim 1, characterized in that the anaerobic tank (13) is provided with an exchange port (14) for communicating with the aerobic tank (12), and the exchange port (14) is used for flowing muddy water mixture from the anaerobic tank (13) to the aerobic tank (12).

3. The wastewater treatment plant according to claim 1, characterized in that the aerobic tank (12) and/or the anaerobic tank (13) are circular tanks.

4. The wastewater treatment plant according to claim 1, characterized in that the first stirring element (7) has at least two symmetrically arranged on both sides of the anaerobic tank (13).

5. The wastewater treatment device according to claim 4, wherein the first stirring piece (7) adopts a motor, the driving end of the motor is connected with an aerator (15), and the air outlet end of the aerator (6) is communicated with the aerobic tank (12) through the aerator (15).

6. The wastewater treatment apparatus according to claim 2, further comprising: and the stirring end of the second stirring piece (16) extends into the anaerobic tank (13), and the second stirring piece (16) is used for improving the fluidity of the mud-water mixture.

7. The wastewater treatment device according to claim 1, characterized in that the disinfection tank (1) is located above the dechlorination tank (2), which are connected by means of a solenoid valve.

8. The wastewater treatment plant according to any one of claims 1 to 7, characterized in that the bottom of the sedimentation tank (8) is inverted trapezoidal.

9. The wastewater treatment plant according to any one of claims 1-7, characterized in that a filter element (18) is connected in the disinfection tank (1), which filter element (18) is located below the end of the water inlet pipe (3) extending to the inner part of the disinfection tank (1).

10. The wastewater treatment apparatus according to claim 9, further comprising: the automatic dosing device (19) is respectively arranged in the disinfection tank (1) and the dechlorination tank (2).