CN212833296U

CN212833296U - Medical wastewater treatment device

Info

Publication number: CN212833296U
Application number: CN202021065686.XU
Authority: CN
Inventors: 刘晗月; 魏红; 刘同泽
Original assignee: Nanjing Amethyst Vine Energy Conservation Technology Co ltd
Current assignee: Nanjing Amethyst Vine Energy Conservation Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-30
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a medical wastewater treatment device, which comprises a filter box, a wastewater treatment chamber, a reaction chamber, a hydrolysis acidification chamber and a disinfection tank, wherein support rods are arranged on two sides above the filter box, a medicine bin is arranged above the filter box and positioned on the support rods, the medicine bin is connected with the filter box through a medicine conveying pipeline, a medicine injection port is arranged at the top of the medicine bin, a first filter screen is arranged in the middle of the filter box, and a second filter screen is arranged below the first filter screen; the middle part of the wastewater treatment chamber is provided with a porous sieve plate unit; a first motor is arranged above the reaction chamber, the output end of the first motor is connected with a first rotating shaft, and the surface of the rotating shaft is provided with a stirring rod; the hydrolysis acidification chamber is internally provided with a packing layer, and the packing layer is provided with a biological film layer. The utility model discloses medical wastewater treatment device loops through rose box, waste water treatment room, reacting chamber, hydrolysis acidification room and disinfection pond and handles medical wastewater, handles solid, chemical, bacterium, the virus in the medical wastewater, makes it reach the waste water that accords with the standard.

Description

Medical wastewater treatment device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to medical wastewater treatment device.

Background

Medical wastewater has attracted public attention for many times, and the discharge of medical wastewater has great harm to water resources and becomes a source of harm to the health of the public; only a few hospital indexes that can really reach the national emission standard in some areas. At present, the medical wastewater is directly discharged and the current situations of high pollution and low treatment exist in various hospitals due to the non-normative laws and the weak environmental protection consciousness. However, at present, medical waste water with serious hazard is not reasonably treated in all hospitals, and water pollution vicious events possibly caused by virus infection in the waste water are ignored.

Relevant data indicate that medical wastewater has a greater impact and greater harm on the environment than industrial wastewater. The medical wastewater is mainly various toxic and harmful bacteria wastewater generated in the operation process of medical institutions, the water quality of the wastewater varies with the properties and scales of different hospitals and the regions where the hospitals are located, the daily sewage discharge amount of each sickbed is about 200 plus one 1000L, the sources and components of the wastewater are complex, the wastewater mainly comprises the wastewater discharged from diagnosis and treatment rooms, sickrooms, pathological anatomy rooms, radiation rooms, X-ray photography rooms, operating rooms and the like, and a small amount of wastewater discharged from offices, washes and the like is also contained. The medical wastewater contains a large amount of pathogenic bacteria, viruses, ova and other pathogens, and also contains chemical agents and radioactive isotopes, so that the medical wastewater has the characteristics of space pollution, acute infection and latent infection. The total bacteria content in the untreated medical wastewater reaches 10⁸More than one/L.

Medical waste water is one of main sources of toxicity risks in water environment, toxic pollutants enter aquatic ecological balance and drinking water sources to cause potential negative effects, and if medical waste water containing pathogenic microorganisms is directly discharged into urban sewers without harmless treatment such as disinfection, inactivation and the like, water and soil pollution is often caused, various diseases are seriously caused, or outbreak of water-mediated infectious diseases is caused. The national ministry of environmental protection and quality alkalinity inspection and quarantine jointly release the medical institution pollutant discharge standard of 'medical institution water pollution discharge standard' (GB18466-2005) in 7 months in 2005, the standard puts forward the requirements of comprehensive control on pollutants such as medical institution sewage, waste gas generated by sewage treatment stations, sludge and the like, and emphasizes the disinfection effect on the sewage containing pathogens.

The hospital wastewater treatment in the prior art has the following defects: at present, sewage in most hospitals in China is directly disinfected and then discharged, only a few hospitals are disinfected through secondary biological treatment, the concentration of suspended matters in effluent of the existing sewage treatment process is high, and bacteria and viruses can be attached to or wrapped in suspended flocs and are not easily inactivated by disinfectants; the existing hospital wastewater treatment carries out disinfection treatment under the condition that organic matters are not removed or the removal efficiency is low, not only is the disinfection effect poor, but also a large amount of disinfection byproducts are generated.

SUMMERY OF THE UTILITY MODEL

To the problem that the efficiency is low is got rid of to above-mentioned current medical wastewater treatment plant, the utility model provides a medical wastewater treatment plant.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a medical wastewater treatment apparatus, wherein: including rose box, waste water treatment room, reacting chamber, hydrolysis acidification room and disinfection pond, its characterized in that: support rods are further arranged on two sides above the filter box, a medicine bin is arranged above the filter box and is positioned on the support rods, the medicine bin is connected with the filter box through a medicine conveying pipeline, a medicine injection port is formed in the top of the medicine bin, a first filter screen is arranged in the middle of the filter box, and a second filter screen is arranged below the first filter screen; a water inlet is formed in the side face of the filter box, and a water outlet is formed in the bottom of the filter box; the water inlet of the wastewater treatment chamber is connected with the water outlet of the filter box through a first connecting pipeline; the wastewater treatment chamber is connected with the reaction chamber through a second connecting pipeline; the reaction chamber is connected with the hydrolysis acidification chamber through a third connecting pipeline; the hydrolysis acidification chamber is connected with the disinfection tank through a fourth connecting pipeline; the middle part of the wastewater treatment chamber is provided with a porous sieve plate unit; the porous sieve plate unit divides the wastewater treatment chamber into a first treatment chamber and a second treatment chamber; a first motor is arranged above the reaction chamber, the output end of the first motor is connected with a first rotating shaft, the first rotating shaft penetrates through the top of the reaction chamber and extends into the reaction chamber, and a stirring rod is arranged on the surface of the rotating shaft; the hydrolysis acidification chamber is internally provided with a packing layer, and the packing layer is provided with a biological film layer.

Preferably, the medical wastewater treatment apparatus, wherein: the inner wall of the filter box and the first filter screen form a first filter chamber; the inner wall of the filter box, the first filter screen and the second filter screen form a second filter chamber.

Preferably, the medical wastewater treatment apparatus, wherein: first filter chamber right side wall is equipped with the second motor, second motor output is connected with the second pivot, the right side wall that the second pivot runs through the rose box stretches into in the rose box, the surface of second pivot is equipped with the puddler.

Preferably, the medical wastewater treatment apparatus, wherein: the right side wall of the second filtering chamber is provided with a third motor, the output end of the third motor is connected with a third rotating shaft, the third rotating shaft penetrates through the right side wall of the filtering box and extends into the filtering box, and a stirring rod is arranged on the surface of the third rotating shaft.

Preferably, the medical wastewater treatment apparatus, wherein: and the first treatment chamber and the second treatment chamber are both provided with adsorbent layers.

Preferably, the medical wastewater treatment apparatus, wherein: and a dosing box is arranged above the reaction chamber and is connected with the reaction chamber through a dosing pipeline.

Preferably, the medical wastewater treatment apparatus, wherein: the bottom of the hydrolysis acidification chamber is provided with an aeration unit which consists of an air supply pipeline and a plurality of aeration discs arranged on the air supply pipeline, and the air supply pipeline is connected with an air supply facility outside the hydrolysis acidification chamber.

Has the advantages that:

the medical wastewater treatment device of the utility model processes medical wastewater sequentially through the filter box, the wastewater treatment chamber, the reaction chamber, the hydrolysis acidification chamber and the disinfection tank, the filter box filters out solids in the medical wastewater through the first filter screen and the second filter screen, and the solid matter in the wastewater is adsorbed in the wastewater treatment chamber; in the reaction chamber, add different medicaments through adding the pencil in to the reaction chamber, through medicament and medical sewage mixing reaction in the reaction chamber, impel medical sewage and medicament homogeneous mixing under the effect of first motor and puddler, the reaction is abundant, the deposit accumulation that medicament and sewage formed is in the bottom of reaction chamber, the bottom of reaction chamber is equipped with the mud pipe, discharge the precipitate through the mud pipe, the microorganism in the biofilm layer on the hydrolytic acidification room packing layer removes the waste water, disinfect waste water in the disinfection pond, solid in with medical waste water, the chemical, the bacterium, the virus is handled, make it reach the waste water that accords with the standard, reduce the propagation of disease and infectious disease.

Drawings

Fig. 1 is a schematic structural view of the medical wastewater treatment device of the utility model.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the utility model provides a medical wastewater treatment device, wherein: including rose box 1, waste water treatment room 2, reacting chamber 3, hydrolysis acidification room 4 and disinfection pond 5, wherein: support rods 6 are further arranged on two sides above the filter box 1, a medicine bin 7 is arranged above the filter box 1, the medicine bin 7 is located on the support rods 6, the medicine bin 7 is connected with the filter box 1 through a medicine conveying pipeline 8, a medicine injection port is formed in the top of the medicine bin, a first filter screen 11 is arranged in the middle of the filter box 1, and a second filter screen 12 is arranged below the first filter screen 11; a water inlet is formed in the side surface of the filter box 1, and a water outlet is formed in the bottom of the filter box 1; the water inlet of the wastewater treatment chamber 2 is connected with the water outlet of the filter box 1 through a first connecting pipeline 21; the wastewater treatment chamber 2 and the reaction chamber 3 are connected through a second connecting pipe 22; the reaction chamber 3 and the hydrolysis acidification chamber 4 are connected through a third connecting pipeline 31; the hydrolysis acidification chamber 4 and the disinfection tank 5 are connected through a fourth connecting pipeline 41; a porous sieve plate unit 23 is arranged in the middle of the wastewater treatment chamber 2; the porous sieve plate unit 23 divides the wastewater treatment chamber into a first treatment chamber 24 and a second treatment chamber 25; a first motor 32 is arranged above the reaction chamber 3, the output end of the first motor 32 is connected with a first rotating shaft 33, the first rotating shaft 33 penetrates through the top of the reaction chamber 3 and extends into the reaction chamber 3, and a stirring rod 34 is arranged on the surface of the rotating shaft 33; a packing layer 42 is arranged in the hydrolysis acidification chamber 4, and a biological film layer 43 is arranged on the packing layer 42.

Specifically, wherein: the inner wall of the filter box 1 and the first filter screen 11 form a first filter chamber; the inner wall of the filter box 1, the first filter screen 11 and the second filter screen 12 form a second filter chamber.

Specifically, wherein: first filter chamber right side wall is equipped with second motor 13, second motor 13 output is connected with second pivot 14, second pivot 14 runs through the right side wall of rose box and stretches into rose box 1 in, the surface of second pivot 14 is equipped with puddler 15.

Specifically, wherein: the right side wall of the second filtering chamber is provided with a third motor 16, the output end of the third motor 16 is connected with a third rotating shaft 17, the third rotating shaft 17 penetrates through the right side wall of the filtering box 1 and extends into the filtering box 1, and the surface of the third rotating shaft 17 is provided with a stirring rod 18.

Specifically, wherein: and the first treatment chamber and the second treatment chamber are both provided with adsorbent layers.

Specifically, wherein: a dosing box 35 is arranged above the reaction chamber 3, and the dosing box 35 is connected with the reaction chamber 3 through a dosing pipeline.

Specifically, wherein: the bottom of the hydrolysis acidification chamber 4 is provided with an aeration unit which consists of an air supply pipeline 44 and a plurality of aeration discs 45 arranged on the air supply pipeline, and the air supply pipeline 44 is connected with an air supply facility outside the hydrolysis acidification chamber 4.

The medical wastewater treatment device of the utility model processes medical wastewater sequentially through a filter box 1, a wastewater treatment chamber 2, a reaction chamber 3, a hydrolysis acidification chamber 4 and a disinfection tank 5, the filter box 1 filters out solids in the medical wastewater through a first filter screen and a second filter screen, the first treatment chamber and the second treatment chamber of the wastewater treatment chamber 2 are both provided with adsorbent layers which are made of porous materials, specifically porous ceramics, activated carbon, zeolite molecular sieves, carbon molecular sieves, alumina and the like, in the reaction chamber 3, different medicaments are added into the reaction chamber 3 through a medicament adding pipe, the medicaments and the medical wastewater are mixed and reacted in the reaction chamber 3, the medical wastewater and the medicaments are uniformly mixed under the action of a first motor 32 and a stirring rod 34, the reaction is complete, and precipitates formed by the medicaments and the wastewater are accumulated at the bottom of the reaction chamber 3, the bottom of the reaction chamber 3 is provided with a sludge discharge pipe, sediment is discharged through the sludge discharge pipe, the biological film layer 43 on the packing layer of the hydrolytic acidification chamber removes microorganisms in the wastewater, the wastewater is disinfected in the disinfection tank, and solid matters, chemical matters, bacteria and viruses in the medical wastewater are treated to ensure that the wastewater meets the standard, thereby reducing the spread of diseases and infectious diseases.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A medical wastewater treatment device is characterized in that: the device comprises a filter box, a wastewater treatment chamber, a reaction chamber, a hydrolysis acidification chamber and a disinfection tank, wherein support rods are further arranged on two sides above the filter box, a medicine bin is arranged above the filter box and positioned on the support rods, the medicine bin and the filter box are connected through a medicine conveying pipeline, a medicine injection port is formed in the top of the medicine bin, a first filter screen is arranged in the middle of the filter box, and a second filter screen is arranged below the first filter screen; a water inlet is formed in the side face of the filter box, and a water outlet is formed in the bottom of the filter box; the water inlet of the wastewater treatment chamber is connected with the water outlet of the filter box through a first connecting pipeline; the wastewater treatment chamber is connected with the reaction chamber through a second connecting pipeline; the reaction chamber is connected with the hydrolysis acidification chamber through a third connecting pipeline; the hydrolysis acidification chamber is connected with the disinfection tank through a fourth connecting pipeline; the middle part of the wastewater treatment chamber is provided with a porous sieve plate unit; the porous sieve plate unit divides the wastewater treatment chamber into a first treatment chamber and a second treatment chamber; a first motor is arranged above the reaction chamber, the output end of the first motor is connected with a first rotating shaft, the first rotating shaft penetrates through the top of the reaction chamber and extends into the reaction chamber, and a stirring rod is arranged on the surface of the rotating shaft; the hydrolysis acidification chamber is internally provided with a packing layer, and the packing layer is provided with a biological film layer.

2. The medical wastewater treatment apparatus according to claim 1, characterized in that: the inner wall of the filter box and the first filter screen form a first filter chamber; the inner wall of the filter box, the first filter screen and the second filter screen form a second filter chamber.

3. The medical wastewater treatment apparatus according to claim 2, characterized in that: first filter chamber right side wall is equipped with the second motor, second motor output is connected with the second pivot, the right side wall that the second pivot runs through the rose box stretches into in the rose box, the surface of second pivot is equipped with the puddler.

4. The medical wastewater treatment apparatus according to claim 2, characterized in that: the right side wall of the second filtering chamber is provided with a third motor, the output end of the third motor is connected with a third rotating shaft, the third rotating shaft penetrates through the right side wall of the filtering box and extends into the filtering box, and a stirring rod is arranged on the surface of the third rotating shaft.

5. The medical wastewater treatment apparatus according to claim 1, characterized in that: and the first treatment chamber and the second treatment chamber are both provided with adsorbent layers.

6. The medical wastewater treatment apparatus according to claim 1, characterized in that: and a dosing box is arranged above the reaction chamber and is connected with the reaction chamber through a dosing pipeline.

7. The medical wastewater treatment apparatus according to claim 1, characterized in that: the bottom of the hydrolysis acidification chamber is provided with an aeration unit which consists of an air supply pipeline and a plurality of aeration discs arranged on the air supply pipeline, and the air supply pipeline is connected with an air supply facility outside the hydrolysis acidification chamber.