CN212334877U - Medical wastewater treatment device - Google Patents

Abstract

The application discloses medical wastewater treatment device. The medical wastewater treatment device comprises a sand filtration tank, a filter and an electrolytic sterilizer, wherein a water inlet of the sand filtration tank is connected with a medical wastewater source water pipe, a water outlet of the sand filtration tank is connected with a water inlet of the filter, a water outlet of the filter is connected with a water inlet of the electrolytic sterilizer, and a water outlet of the electrolytic sterilizer is connected with a sewer or a sewage pool; the inside of sand filtration jar is filled with and filters the grit, and the inside intermediate position of filter is provided with the filter pulp, and the filter pulp is divided into upper portion cavity and lower part cavity with the inside of filter, and the water inlet of filter is located the top of filter and communicates with upper portion cavity, and the delivery port of filter is located the bottom of filter and communicates with lower part cavity. The application solves the technical problems that the sewage treatment effect of the medical institution is not good and the discharge standard can not be reached.

Description

Medical wastewater treatment device

Technical Field

The application relates to the technical field of water treatment, in particular to a medical wastewater treatment device.

Background

Medical wastewater is low-concentration sewage, such as wastewater containing various medicines or disinfectants and a certain amount of germs, and the wastewater directly discharged into a water body without treatment can cause a certain degree of pollution to surrounding water areas and soil and even harm the health of people.

With the environmental protection importance of China and the environmental condition concerns of people, the sewage discharge standard is increasingly strict, and the sewage of the medical institution contains a large amount of pathogenic microorganisms and toxic substances, and if the sewage is not effectively treated, the sewage pollutes the surrounding environment, so that the content of the pathogenic microorganisms and the toxic substances in the sewage discharged by the medical institution becomes an important judgment standard for judging whether the medical institution is qualified for the start-up.

At present, the sewage discharge of medical institutions meets the following standards:

firstly, sampling 500ml of sewage for random and continuous three times, and detecting without detecting intestinal pathogenic bacteria and tuberculosis bacilli;

secondly, the total coliform group number in the sewage sampled every time is not more than 500 per liter;

thirdly, the total residual chlorine amount in the sewage sampled every time is 4mg/L to 5 mg/L.

However, it is generally difficult to treat the generated wastewater by using large-scale wastewater treatment equipment in some existing medium and small-scale community medical clinics, oral clinics, hospital outpatients, plastic and beauty units, physical examination centers and laboratories, and the small-scale wastewater treatment equipment cannot meet the treatment requirements, so that the medical wastewater treatment of medium and small-scale medical institutions becomes a primary problem which restricts the normal development and development of the medium and small-scale medical institutions.

Aiming at the problems that the sewage treatment effect of medical institutions in the related technology is poor and the sewage treatment standard can not be met, no effective solution is provided at present.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a medical wastewater treatment device to solve medical institution not good, can't reach emission standard's problem to sewage treatment effect.

In order to achieve the above object, the present application provides a medical wastewater treatment apparatus.

According to the application, medical wastewater treatment device includes the sand filtration jar of large granule solid impurity in the filtering medical waste water, the filter of small granule solid impurity in the filtering medical waste water and the electrolytic disinfection ware that carries out disinfection treatment to medical waste water, wherein:

the water inlet of the sand filtration tank is connected with a medical wastewater source water pipe through a water inlet pipe, the water outlet of the sand filtration tank is connected with the water inlet of the filter through a first water conveying pipe, the water outlet of the filter is connected with the water inlet of the electrolytic sterilizer through a second water conveying pipe, and the water outlet of the electrolytic sterilizer is connected with a sewer or a sewage pool through a water outlet pipe;

the sand filtering tank is filled with filtering sand, the middle position in the filter is provided with filtering cotton, the filtering cotton divides the inside of the filter into an upper cavity and a lower cavity, the water inlet of the filter is positioned at the top of the filter and communicated with the upper cavity, and the water outlet of the filter is positioned at the bottom of the filter and communicated with the lower cavity.

Furthermore, a spray head is arranged in the upper cavity and is positioned right above the filter cotton, a water inlet of the spray head is connected with the first water delivery pipe, and a water spray nozzle of the spray head is aligned to the top surface of the filter cotton.

Furthermore, the height of the water outlet of the sand filtration tank is greater than that of the water inlet of the filter, and the first water conveying pipe is a straight pipeline, so that the medical wastewater discharged from the sand filtration tank flows into the filter through the self gravity.

Furthermore, a first booster pump is arranged on the water inlet pipe.

Furthermore, a back flush water pipe is arranged between the sand filter tank and the medical wastewater source water pipe, one end of the back flush water pipe is connected to the water inlet pipe between the first booster pump and the medical wastewater source water pipe, and the other end of the back flush water pipe is connected with a back flush water port of the sand filter tank.

Furthermore, the back washing water gap is arranged at the top of the sand filtering tank and communicated with the inside of the sand filtering tank.

Furthermore, a second booster pump is arranged on the back flushing water pipe.

Furthermore, a third booster pump is arranged on the second water delivery pipe.

Further, a chlorine sheet is added in the electrolytic sterilizer.

Furthermore, the top of the electrolytic sterilizer is provided with a dosing port for putting the chlorine tablets, the dosing port is communicated with the inside of the electrolytic sterilizer, and a top cover is covered at the dosing port.

In the embodiment of this application, the sand filtration jar has connected gradually between medical wastewater source water pipe and sewer or effluent water sump, filter and electrolytic disinfection ware, the inside at the sand filtration jar is filled with and filters the grit, inside at the filter is provided with the filter pulp, carry out the filtering through the large granule solid impurity in the sand filtration jar to medical wastewater, carry out the filtering through the filter to small granule solid impurity in the medical wastewater, carry out disinfection treatment through the electrolytic disinfection ware to medical wastewater, guarantee to carry out the mesh that fully purifies medical wastewater, make medical wastewater reach the requirement of external emission, and then solved medical institution not good to sewage treatment effect, can't reach emission standard's technical problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic structural view of the medical wastewater treatment apparatus of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, the present application relates to a medical wastewater treatment device, which comprises a sand filtration tank 1, a filter 2 and an electrolytic sterilizer 3, wherein the sand filtration tank 1 is used for filtering large-particle solid impurities in medical wastewater, the filter 2 is used for filtering small-particle solid impurities in medical wastewater, and the electrolytic sterilizer 3 is used for sterilizing medical wastewater, wherein: the water inlet of sand filtration jar 1 passes through inlet tube 6 and medical wastewater source water piping connection, and the delivery port of sand filtration jar 1 is connected with the water inlet of filter 2 through first raceway 7, and the delivery port of filter 2 passes through the water inlet of second raceway 8 and electrolytic disinfector 3 to be connected, and the delivery port of electrolytic disinfector 3 passes through outlet pipe 9 and is connected with sewer or effluent water sump. The inside of sand filtration jar 1 is filled with and is filtered the grit, and the inside intermediate position of filter 2 is provided with filter pulp 201, and filter pulp 201 is divided into upper portion cavity and lower part cavity with the inside of filter 2, and the water inlet of filter 2 is located the top of filter 2 and communicates with upper portion cavity, and the delivery port of filter 2 is located the bottom of filter 2 and communicates with lower part cavity.

The utility model discloses sand filtration jar 1 has connected gradually between medical wastewater source water pipe and sewer or effluent water sump, filter 2 and electrolytic disinfection ware 3, fill up in the inside of sand filtration jar 1 and filter the grit, be provided with the filter pulp in the inside of filter 2, carry out the filtering through large granule solid impurity in sand filtration jar 1 to medical wastewater, carry out the filtering through filter 2 to small granule solid impurity in medical wastewater, carry out disinfection treatment through electrolytic disinfection ware 3 to medical wastewater, guarantee can carry out the purpose of abundant purification to medical wastewater, make medical wastewater reach the requirement of external emission.

Further, as shown in fig. 1, a third booster pump 5 is disposed on the second water pipe 8.

In an optional embodiment of the utility model, as shown in fig. 1, be provided with shower nozzle 202 in the upper portion cavity, shower nozzle 202 is located filter pulp 201 directly over, the water inlet and the first raceway 7 of shower nozzle 202 are connected, the water jet of shower nozzle 202 aims at the top surface of filter pulp 201, medical wastewater evenly sprays on the top surface of filter pulp 201 through shower nozzle 202, medical wastewater slowly and even infiltration and pass filter pulp 201, finally drip to the lower part cavity in, ensure that filter pulp 201 carries out abundant filtration to medical wastewater, improve purifying effect.

Further, the height that highly is greater than the water inlet place of filter 2 at the delivery port place of sand filtration jar 1, and first raceway 7 is straight pipeline to make in flowing into filter 2 from the medical wastewater of sand filtration jar 1 exhaust through self gravity, avoid getting into the medical wastewater in filter 2 too concentrated, influence the filter effect.

Further, the filter cotton 201 may be, but is not limited to, 5 μmPP cotton.

Further, as shown in fig. 1, a first booster pump 4 is provided on the water inlet pipe 6.

In an optional embodiment of the utility model, as shown in fig. 1, be provided with back flush water pipe 11 between sand filtration jar 1 and the medical wastewater source water pipe, be provided with second booster pump 10 on back flush water pipe 11, the one end of back flush water pipe 11 is connected on inlet tube 6 between first booster pump 4 and the medical wastewater source water pipe, the other end of back flush water pipe 11 is connected with the back flush mouth of a river of sand filtration jar 1. Regularly close first booster pump 4 to open second booster pump 10, let in medical wastewater and wash, clear away the large granule impurity of filtering in the sand filtration jar 1 to sand filtration jar 1 in, prevent that impurity is too much to cause the jam, influence the filter effect of sand filtration jar 1.

Further, as shown in fig. 1, the back flushing water port is opened at the top of the sand filtration tank 1 and is communicated with the inside of the sand filtration tank 1.

In an optional embodiment of the utility model, as shown in fig. 1, the medicine adding opening has been seted up at the top of electrolysis sterilizer 3, and the medicine adding opening is linked together with the inside of electrolysis sterilizer 3, is equipped with top cap 301 at medicine adding opening department lid, regularly adds the chlorine piece to electrolysis sterilizer 3 in through adding the medicine adding opening, and on the basis of electrolysis disinfection, the accessible is dissolved the chlorine piece in medical waste water and is disinfected medical waste water, ensures that medical waste water can reach the emission requirement.

The working process of the medical wastewater treatment device is as follows: firstly, whether liquid level control is normal or not is checked, a water tap at a sewage source is opened to supply water into a water pipe of a medical wastewater source until medical wastewater flows into the sand filter tank 1, the water tap at the sewage source is closed, the device discharges the purified medical wastewater from a water outlet of the electrolytic sterilizer 3 after running for 5 to 10 minutes, and then the device runs normally. After the inspection device normally operates, the top cover 301 of the electrolytic sterilizer 3 can be screwed and taken down anticlockwise, chlorine tablets are put into the electrolytic sterilizer 3, then the top cover 301 is screwed and closed clockwise, wherein the chlorine tablets are in an effervescent tablet form, so that the chlorine tablets are dissolved in the medical wastewater conveniently, the chlorine tablets are added once every 20 days, and 10 tons of medical wastewater can be sterilized by each kilogram of chlorine tablets. In addition, the sand filtration tank 1 can be set to be automatically backwashed, the device runs for about 10 days, and the sand filtration tank 1 is backwashed for 5 minutes. The device runs for 1 month, and the filter cotton 202 in the filter 2 is replaced to ensure the filtering effect of the filter 2.

From the above description, it can be seen that the present invention achieves the following technical effects:

one, this medical wastewater treatment device carries out the filtering through sand filter 1 to large granule solid impurity in the medical waste water, carries out the filtering through filter 2 to small granule solid impurity in the medical waste water, carries out disinfection treatment to medical waste water through electrolysis sterilizer 3, guarantees to carry out the purpose of abundant purification to medical waste water, makes medical waste water reach the requirement of external emission.

Secondly, be provided with shower nozzle 202 in this medical wastewater treatment plant in the upper portion cavity, the water jet of shower nozzle 202 aims at the top surface of filter pulp 201, and medical wastewater evenly sprays on the top surface of filter pulp 201 through shower nozzle 202, and medical wastewater slowly and even infiltration passes filter pulp 201, finally drips to in the cavity of lower part, ensures that filter pulp 201 carries out abundant filtration to medical wastewater, improves purifying effect. In addition, the height that the delivery port place of sand filtration jar 1 is greater than the height that the water inlet of filter 2 was located to make from the medical wastewater who discharges in sand filtration jar 1 flow into filter 2 in through self gravity, avoid getting into the medical wastewater in filter 2 too concentrated, influence the filter effect.

Third, be provided with back flush water pipe 11 between sand filter tank 1 and the medical wastewater source water pipe among this medical wastewater treatment plant, can regularly let in medical wastewater through back flush water pipe 11 and wash sand filter tank 1 to sand filter tank 1 in to wash, clear away the large granule impurity of the interior filtering of sand filter tank 1, prevent that impurity is too much to cause the jam, guarantee that sand filter tank 1 can long-term, stable work.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The medical wastewater treatment device is characterized by comprising a sand filter tank (1) for filtering large-particle solid impurities in medical wastewater, a filter (2) for filtering small-particle solid impurities in medical wastewater and an electrolytic sterilizer (3) for sterilizing medical wastewater, wherein:

the water inlet of the sand filtration tank (1) is connected with a medical wastewater source water pipe through a water inlet pipe (6), the water outlet of the sand filtration tank (1) is connected with the water inlet of the filter (2) through a first water conveying pipe (7), the water outlet of the filter (2) is connected with the water inlet of the electrolytic sterilizer (3) through a second water conveying pipe (8), and the water outlet of the electrolytic sterilizer (3) is connected with a sewer or a sewage pool through a water outlet pipe (9);

the sand filtering tank (1) is filled with filtering sand, filtering cotton (201) is arranged in the middle of the inside of the filter (2), the filtering cotton (201) divides the inside of the filter (2) into an upper cavity and a lower cavity, a water inlet of the filter (2) is located at the top of the filter (2) and communicated with the upper cavity, and a water outlet of the filter (2) is located at the bottom of the filter (2) and communicated with the lower cavity.

2. The medical wastewater treatment device according to claim 1, wherein a spray head (202) is arranged in the upper chamber, the spray head (202) is positioned right above the filter cotton (201), a water inlet of the spray head (202) is connected with the first water delivery pipe (7), and a water spray opening of the spray head (202) is aligned with the top surface of the filter cotton (201).

3. The medical wastewater treatment device according to claim 2, wherein the water outlet of the sand filtration tank (1) is located at a height greater than the water inlet of the filter (2), and the first water delivery pipe (7) is a straight pipe, so that the medical wastewater discharged from the sand filtration tank (1) flows into the filter (2) by its own weight.

4. The medical wastewater treatment apparatus according to claim 1, wherein a first pressurizing pump (4) is provided on the water inlet pipe (6).

5. The medical wastewater treatment apparatus according to claim 4, wherein a backwash water pipe (11) is provided between the sand filtration tank (1) and the medical wastewater source water pipe, one end of the backwash water pipe (11) is connected to the water inlet pipe (6) between the first booster pump (4) and the medical wastewater source water pipe, and the other end of the backwash water pipe (11) is connected to a backwash water port of the sand filtration tank (1).

6. The medical wastewater treatment apparatus according to claim 5, wherein the back flush water port opens at the top of the sand filtration tank (1) and communicates with the inside of the sand filtration tank (1).

7. The medical wastewater treatment apparatus according to claim 5, wherein a second pressurizing pump (10) is provided on the backwash water pipe (11).

8. The medical wastewater treatment apparatus according to claim 1, wherein a third booster pump (5) is provided on the second water transport pipe (8).

9. The medical wastewater treatment apparatus according to claim 1, wherein a chlorine sheet is added to the inside of the electrolytic sterilizer (3).

10. The medical wastewater treatment device according to claim 9, wherein a dosing port for putting the chlorine tablet is formed at the top of the electrolytic sterilizer (3), the dosing port is communicated with the inside of the electrolytic sterilizer (3), and a top cover (301) is arranged at the dosing port in a covering manner.

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