CN214457379U - Environment-friendly medical wastewater treatment device - Google Patents

Abstract

The utility model relates to an environment-friendly medical wastewater treatment device, including the disinfection processing unit, homogeneity filter unit and aeration treatment unit interconnect, wherein, the disinfection processing unit includes first disinfection processing apparatus and second disinfection processing apparatus at least, wherein, first disinfection processing apparatus and second disinfection processing apparatus are connected respectively to homogeneity filter unit's inlet tube, thereby disinfection processing unit is connected with homogeneity filter unit with the mode of independently disinfecting/killing virus to the waste water of different departments each other according to first disinfection processing unit and second disinfection processing unit. The operation cost of the whole device is favorably reduced, the wastewater of different departments is sterilized and disinfected more pertinently, and meanwhile, the treatment according to the objects can prevent the low treatment efficiency caused by too many strains in the device.

Description

Environment-friendly medical wastewater treatment device

Technical Field

The utility model relates to a medical environmental protection technical field especially relates to an environment-friendly medical wastewater treatment device.

Background

Medical wastewater comes from hospitals and needs to be treated by special processes. The medical wastewater mainly comes from sewage discharged by a diagnosis and treatment room, an operating room, a laboratory, a laundry room and the like. The sewage has very complex components, mainly comprises a large amount of pathogenic bacteria, viruses and chemical agents, and has the characteristics of space pollution, acute infection, latent infection and the like.

For example, chinese patent publication No. CN207483540U discloses an environment-friendly medical wastewater treatment apparatus. The water treatment device comprises an integrated treatment barrel, supporting blocks, a wastewater inlet pipe, a feeding maintenance window, a sealing cover, a residual sludge discharge pipe, a partition plate, a reclaimed water discharge pipe, a precipitate discharge pipe, a first contact oxidation chamber, activated sludge, a second contact oxidation chamber, a submerged chamber oxygenation aeration tank, a biomembrane net, a mixing reaction chamber, a coagulant, an online PH meter, a precipitation filtering chamber, a backwashing pipe, a disinfectant adding pipe and supporting blocks, wherein the supporting blocks are uniformly and equidistantly arranged below the integrated treatment barrel and are vertically connected with the integrated treatment barrel through electric welding. The utility model discloses a through being equipped with heavy hydroecium oxygenation aeration machine, when it adopted the aeration of oxygenating under water, reduced the aeration noise, made the aeration more abundant, improved and oxygenated efficiency, handled for biomembrane improves sufficient oxygen, carries out the processing of degree of depth to medical wastewater, improves medical wastewater treatment's play water quality of water, reinforcing medical wastewater treatment device's practicality.

At least, it can be known in the prior art that the medical wastewater is treated in a centralized manner, and the medical wastewater is not treated in a targeted manner. For example, in hospitals, medical wastewater is loaded with a large amount of bacteria and viruses. And bacteria and viruses are different for each department. If the wastewater from each department is simultaneously introduced into the apparatus, the propagation of the bacterial species and the propagation of viruses have a great influence on the wastewater.

For example, chinese patent CN206089267U (bulletin No. 2017.04.12) discloses a novel multiphase micro-nano bubble ozone sewage treatment device, which comprises a water collection tank, an ozone oxidation treatment device, a precipitation tank, a membrane permeation tank, a sludge treatment device, a clean water tank, a gas collection tank, an air pump, an ultraviolet catalytic oxidation tank and an ozone filter, wherein the ozone oxidation treatment device comprises an ozone generator, a micro-nano bubble generator, a compression pump, a pressurizing chamber, an air flow regulating valve and an ozone oxidation tank, and the micro-nano bubble generator comprises a shell, a partition board, a gas-liquid mixing vacuum pump, a vacuum water injector and an aeration head. The utility model discloses both can improve water treatment speed and can carry out deodorization and disinfection with the material that sewage volatilizees out again with the quick oxidative decomposition of organic matter in the sewage, utilize the organic matter in the micro-nano bubble rapid treatment sewage of ozone to can utilize the ozone in the mist after carrying out the oxidation treatment to the water to effectively get rid of and exterminate volatile harmful gas and bacterial virus in the sewage.

Chinese patent CN203558193U (bulletin day 2014.04.23) discloses a river comprehensive treatment ship, which comprises a ship body, a garbage collection system, a garbage conveying system, a micro-nano aeration system, a medicament adding system, a power system and the like. This river course is administered ship except can high-efficient collection river course rubbish, can also carry out omnidirectional improvement to river course quality of water through micro-nano aeration equipment cooperation chemical agent and microbial inoculant, can make black and odorous river course become clear, can disinfect and go out algae, effectively improve river course watershed face.

For example, chinese patent CN205528303U (publication No. 2016.08.31) discloses an environment-friendly medical wastewater treatment apparatus, comprising: a water inlet; the regulating tank is connected with the water inlet through a pipeline; the coagulation tank is connected with the regulating tank through a pipeline; the MBR membrane tank is communicated with the coagulation tank and comprises an air blower, an aeration head connected with the air blower, an MBR membrane and a self-priming pump connected with the MBR membrane; the disinfection tank is communicated with the MBR membrane tank; the precise filter is communicated with the disinfection tank; the RO device is communicated with the precision filter through a pipeline; the water outlet is communicated with the RO device through a pipeline; the dosing device comprises a first dosing device connected with the coagulation tank and a second dosing device connected with the disinfection tank; and the PLC control cabinet is connected with the air blower, the self-sucking pump and the dosing device. The utility model discloses beneficial effect: the device has the advantages of small occupied area, high efficiency, good effect, capability of reaching the water pollutant discharge standard of medical institutions, disease transmission reduction, low energy consumption, no secondary pollution, energy conservation and environmental protection.

Chinese patent CN207259224U (announcement day 2018.04.20) discloses an environment-friendly medical wastewater treatment equipment, its structure is including connecting the water service pipe, the control box, the host computer, the inlet tube, the water intaking valve, the host computer base, the base horizontal pole, a support frame, the quick-witted case pole, MBR membrane bioreactor, the water service pipe, the outlet valve, the auxiliary engine, control button, the lower extreme of host computer welds in the upper end of host computer base and structure as an organic whole, the upper end right side mechanical connection of support frame is in the lower extreme of auxiliary engine, the quick-witted case pole is equipped with two and the lower extreme and installs in the upper end middle part of base horizontal pole, the right-hand member threaded connection of water service pipe is in MBR membrane bioreactor's upper end left side, the upper end screwed connection of quick-witted case pole is in the lower extreme of control box, the beneficial effects of the utility model: the MBR membrane bioreactor is added to the equipment, so that bacteria and harmful substances in the medical wastewater can be filtered and removed, and the treatment working capacity of the wastewater treatment equipment is greatly improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an environment-friendly medical wastewater treatment device. The wastewater treatment device comprises an antivirus and sterilization treatment unit, a homogeneous filtering unit and an aeration treatment unit, wherein the homogeneous filtering unit is connected with the aeration treatment unit, the antivirus and sterilization treatment unit at least comprises a first antivirus and sterilization treatment device and a second antivirus and sterilization treatment device, a water inlet pipe of the homogeneous filtering unit is respectively connected with the first antivirus and sterilization treatment device and the second antivirus and sterilization treatment device, and therefore the antivirus and sterilization treatment unit is connected with the homogeneous filtering unit in a mode that the first antivirus and sterilization treatment unit and the second antivirus and sterilization treatment unit are independent from each other for sterilizing/sterilizing wastewater in different departments.

According to a preferred embodiment, the first disinfection treatment device comprises a water inlet, at least two photocatalyst plates which are arranged in a staggered manner in the vertical direction to enable the wastewater to flow in an S shape, an irradiation part for irradiating the photocatalyst plates, and a water outlet, wherein one end of the photocatalyst plates is detachably connected with the inner wall of the first disinfection treatment device; the irradiation part comprises a base beam with a plurality of light source interfaces and a plurality of light sources matched with the light source interfaces, and two ends of the base beam are connected to the inner wall of the first disinfection treatment device.

According to a preferred embodiment, the light sources are connected with an external power source through wires, wherein a knob/button for adjusting the illumination intensity of the light sources is arranged between the light sources and the external power source.

According to a preferred embodiment, the water inlet is connected to the top outer wall of the first disinfection and sterilization treatment device in an expansion mode; the water outlet is connected with the outer wall of the bottom of the first disinfection and sterilization treatment device in an expansion mode.

According to a preferred embodiment, the light source is an ultraviolet lamp.

According to a preferred embodiment, the first disinfection treatment apparatus further comprises a transparent waterproof cover configured as a waterproof space capable of separating the irradiation part from the wastewater flow path.

According to a preferred embodiment, the homogenizing filter unit comprises a homogenizing tank and a filtering tank; and a flow valve is arranged between the homogenizing tank and the filtering tank.

According to a preferred embodiment, the aeration treatment unit comprises a micro-nano aeration tank, and the aeration tank is provided with an air suction pipe; one end of the air suction pipe is connected with the bubble reaction tank of the micro-nano aeration tank, and the other end of the air suction pipe is connected with the micro-nano bubbling machine, so that the micro-nano aeration tank is connected with the micro-nano bubbling machine.

According to a preferred embodiment, a reverse osmosis treatment unit is arranged between the aeration treatment unit and the homogeneous filtration unit, wherein the reverse osmosis treatment unit comprises a low-pressure reverse osmosis device and a medium-pressure reverse osmosis device; a medium-pressure pump is arranged between the low-pressure reverse osmosis device and the medium-pressure reverse osmosis device; wherein the reverse osmosis treatment unit is provided with a medium aquatic product water tank.

According to a preferred embodiment, the water outlet pipe of the aeration treatment unit is connected with a discharge unit, and the discharge unit is provided with a water quality monitor, a sampling port and a discharge port, wherein the water quality monitor at least comprises a pH detector, a turbidimeter and a bacteria monitor.

The utility model provides an environment-friendly medical wastewater treatment device, at first carry out the disinfection and isolation processing in the disinfection and isolation device of difference to the waste water that different departments produced, be favorable to reducing the running cost of a whole set of device, more corresponding waste water to each different departments carries out the disinfection and disinfects, handles according to the object simultaneously and still can prevent because of the too much treatment effeciency that leads to of bacterial in the device low. The sterilized and disinfected wastewater can be collected into common wastewater, then is homogenized, filtered and aerated, and then is discharged to the environment or is subjected to further wastewater recovery treatment.

Drawings

FIG. 1 is a schematic view of the module connection of an environment-friendly medical wastewater treatment device provided by the present invention; and

FIG. 2 is a schematic view of a preferred sterilization treatment device of an environmentally friendly medical wastewater treatment device provided by the present invention.

Description of the reference numerals

1: the disinfection and sterilization processing unit 2 b: filtering tank

2: homogeneous filtration unit 3 a: low-pressure reverse osmosis device

3: reverse osmosis unit 3 b: medium-pressure reverse osmosis device

4: aeration treatment unit 3 c: water producing tank

5: discharge unit 1 a-1: photocatalyst plate

1 a: first disinfection/sterilization apparatus 1 a-2: light source

1 b: second disinfection/sterilization apparatus 1 a-3: base beam

1 c: third disinfection and sterilization treatment apparatus 1 a-4: water inlet

2 a: homogenizing pool 1 a-5: water outlet

Detailed Description

This is described in detail below with reference to figures 1 and 2.

In the description of the present invention, the terms "first", "second", "third" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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", "inner", etc. 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.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in FIG. 1, the present embodiment provides an environment-friendly medical wastewater treatment apparatus. The wastewater treatment device comprises a disinfection and sterilization treatment unit 1, a homogeneous filtering unit 2 and an aeration treatment unit 4. The homogeneous filtering unit 2 and the aeration treatment unit 4 are connected with each other. Preferably, the germicidal treatment unit 1 includes at least a first germicidal treatment device 1a and a second germicidal treatment device 1 b. Preferably, the water inlet pipes of the homogenizing filtering unit 2 are respectively connected with the first and second sterilizing treatment devices 1a and 1b, so that the sterilizing treatment unit 1 is connected with the homogenizing filtering unit 2 in a manner that the first and second sterilizing treatment units 1a and 1b sterilize/disinfect the wastewater of different departments independently. The species and viruses in wastewater produced by each department vary. The utility model discloses at first carry out the disinfection and isolation processing in the disinfection and isolation device of difference to the waste water that different departments produced, be favorable to reducing the running cost of a whole equipment, more corresponding waste water to each different departments carries out the disinfection and disinfects, still can prevent because of the too much treatment effeciency that leads to of bacterial low in the device according to the object processing simultaneously. The sterilized and disinfected wastewater can be collected into common wastewater, then is homogenized, filtered and aerated, and then is discharged to the environment or is subjected to further wastewater recovery treatment. For example, wastewater generated from an operating room may be discharged to the first disinfection treatment apparatus 1a, and wastewater generated from a clinical laboratory may be discharged to the second disinfection treatment apparatus 1 b. For another example, the wastewater generated from the laundry room may be discharged to the third sterilization/disinfection processing apparatus 1 c.

Preferably, as shown in fig. 2, the first disinfection treatment device 1a includes a water inlet 1a-4, at least two photocatalyst plates 1a-1 arranged in a staggered fashion in a vertical direction to enable the wastewater to flow in an S-shape, an irradiation section for irradiating the photocatalyst plates 1a-1, and a water outlet 1 a-5. Preferably, one end of the photocatalyst plate 1a-1 is detachably connected to the inner wall of the first sterilization treatment device 1 a. Preferably, the irradiation part comprises a base beam 1a-3 with a plurality of light source interfaces and a plurality of light sources 1a-2 matched with the light source interfaces, and two ends of the base beam 1a-3 are connected to the inner wall of the first disinfection and sterilization treatment device 1 a. A photocatalyst, such as a semiconductor material of titanium dioxide, zinc oxide, or the like, is laid on the photocatalyst plate. The photocatalyst has extremely strong virus killing and sterilizing capability under the condition of illumination, and can kill most of bacteria and viruses in the medical wastewater.

Preferably, the second and third sterilization treatment devices 1b and 1c have the same structure as the first sterilization treatment device 1 a. The specific number of the photocatalyst plates and the light sources can be set according to different departments. For example, the second disinfection treatment device 1b is used for treating wastewater in a laundry room, which has high bacterial content and virus content, 10 photocatalyst plates can be used, and 10 rows of light sources can be 1 row and 5 rows. And the third sterilization treatment device 1c is used for treating wastewater in a pharmacy, the pharmacy has low bacteria content and virus content, the number of the photocatalyst plates can be 2, and the number of the light sources can be 1 row, 45 rows and 2 rows.

Preferably, the plurality of light sources 1a-2 are connected to the external power source 1a-6 by wires. Preferably, a knob/button for adjusting the light intensity of the plurality of light sources 1a-2 is arranged between the plurality of light sources 1a-2 and the external power source 1 a-6. The intensity of the light determines the sterilizing and disinfecting capability. For example, for wastewater that does not require excessive sterilization or disinfection, the light intensity value may be set to a small value. And for the wastewater containing a large amount of bacteria and viruses, the illumination intensity can be adjusted to the maximum value.

Preferably, the water inlet 1a-4 is connected to the top outer wall of the first disinfection treatment device 1a in an expanded form. The water outlets 1a-5 are connected with the outer wall of the bottom of the first disinfection and sterilization treatment device 1a in an expansion mode.

Preferably, the light source 1a-2 is an ultraviolet lamp. The ultraviolet lamp can sterilize and disinfect when the photocatalyst plate has functions and can also sterilize and disinfect when the photocatalyst plate does not have functions

To prevent waste water from splashing on an irradiation part. Preferably, the first disinfection treatment device 1a further comprises a transparent waterproof cover. The transparent waterproof cover is configured as a waterproof space capable of separating the irradiation part from the waste water flow passage. The transparent waterproof cover may be made of glass.

Preferably, the homogenizing filtering unit 2 includes a homogenizing tank 2a and a filtering tank 2 b. A flow valve is arranged between the homogenizing pool 2a and the filtering pool 2 b. The homogenizing tank 2a is used for collecting the wastewater from different sterilization treatments, and has the functions of buffering and homogenizing the wastewater. The filtering tank 2b contains a filter screen for filtering solid particles in the wastewater.

Preferably, the aeration treatment unit 4 comprises a micro-nano aeration tank. The micro-nano aeration tank is provided with an air suction pipe. One end of the air suction pipe is connected with the bubble reaction tank of the micro-nano aeration tank, and the other end of the air suction pipe is connected with the micro-nano bubbling machine, so that the micro-nano aeration tank is connected with the micro-nano bubbling machine. The model of the micro-nano bubble machine is TL-HP 50-A. The micro-nano bubble machine can be one of TL-MBG50-A, TL-MBG20-A and TL-MBG 10-A.

Preferably, a reverse osmosis treatment unit 3 is arranged between the aeration treatment unit 4 and the homogeneous filtration unit 2. Preferably, the reverse osmosis treatment unit 3 comprises a low pressure reverse osmosis device 3a and a medium pressure reverse osmosis device 3 b. An intermediate pressure pump is arranged between the low pressure reverse osmosis device 3a and the intermediate pressure reverse osmosis device 3 b. Preferably, the reverse osmosis treatment unit 3 is provided with a medium water tank 3 c. The filtered sewage is further processed by reverse osmosis, and the generated concentrated water is discharged into the aeration processing unit 4. The produced water is discharged into the medium-water product tank 3 c. Reverse osmosis is a mature water treatment process, and the device thereof is mature. And need not be repeated here. The operating pressure of the low-pressure reverse osmosis device is 1.5-2 Mpa. The operating pressure of the medium-pressure reverse osmosis device is 2-3.5 Mpa. The outlet pressure of the medium pressure pump is 3.5 MPa.

Preferably, the water outlet pipe of the aeration treatment unit 4 is connected with a discharge unit 5. The discharge unit 5 is provided with a water quality monitor, a sampling port, and a discharge port. Preferably, the water quality monitor comprises at least a PH detector, a turbidimeter and a bacteria monitor.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (9)

1. An environment-friendly medical wastewater treatment device, which comprises a disinfection and sterilization treatment unit (1), a homogeneous filtration unit (2) and an aeration treatment unit (4), and is characterized in that the homogeneous filtration unit (2) and the aeration treatment unit (4) are connected with each other,

wherein the disinfection treatment unit (1) at least comprises a first disinfection treatment device (1a) and a second disinfection treatment device (1b),

wherein the water inlet pipe of the homogeneous filtering unit (2) is respectively connected with the first disinfection and sterilization treatment device (1a) and the second disinfection and sterilization treatment device (1b), so that the disinfection and sterilization treatment unit (1) is connected with the homogeneous filtering unit (2) in a way that the first disinfection and sterilization treatment unit (1a) and the second disinfection and sterilization treatment unit (1b) can independently disinfect/sterilize the wastewater of different departments,

the first disinfection and sterilization treatment device (1a) comprises a water inlet (1a-4), at least two photocatalyst plates (1a-1) which are arranged in a staggered mode in the vertical direction to enable the wastewater to flow in an S shape, an irradiation part for irradiating the photocatalyst plates (1a-1) and a water outlet (1a-5),

wherein one end of the photocatalyst plate (1a-1) is detachably connected with the inner wall of the first disinfection and sterilization treatment device (1 a);

wherein the irradiation part comprises a base beam (1a-3) with a plurality of light source interfaces and a plurality of light sources (1a-2) matched with the light source interfaces, two ends of the base beam (1a-3) are connected to the inner wall of the first disinfection and sterilization treatment device (1a),

the photocatalyst plate (1a-1) is laid with a photocatalyst.

2. The wastewater treatment plant according to claim 1, wherein the plurality of light sources (1a-2) are connected to an external power source (1a-6) by means of wires,

wherein, a knob/button for adjusting the illumination intensity of the plurality of light sources (1a-2) is arranged between the plurality of light sources (1a-2) and the external power supply (1 a-6).

3. The wastewater treatment plant according to claim 2, characterized in that the water inlet (1a-4) is connected to the top outer wall of the first disinfection treatment plant (1a) in an expanded form;

the water outlets (1a-5) are connected with the outer wall of the bottom of the first disinfection and sterilization treatment device (1a) in an expansion mode.

4. The wastewater treatment plant according to claim 3, characterized in that the light source (1a-2) is an ultraviolet lamp.

5. The wastewater treatment plant according to claim 4, characterized in that said first disinfection treatment plant (1a) further comprises a transparent waterproof cover,

the transparent waterproof cover is configured as a waterproof space capable of separating the irradiation part from the waste water flow passage.

6. The wastewater treatment plant according to claim 5, characterized in that the homogenizing filter unit (2) comprises a homogenizing tank (2a) and a filtering tank (2 b);

a flow valve is arranged between the homogenizing tank (2a) and the filtering tank (2 b).

7. The wastewater treatment plant according to claim 6, characterized in that the aeration treatment unit (4) comprises a micro-nano aeration tank provided with an air suction pipe,

one end of the air suction pipe is connected with the bubble reaction tank of the micro-nano aeration tank, and the other end of the air suction pipe is connected with the micro-nano bubbling machine, so that the micro-nano aeration tank is connected with the micro-nano bubbling machine.

8. The wastewater treatment plant according to claim 7, characterized in that a reverse osmosis treatment unit (3) is arranged between the aeration treatment unit (4) and the homogeneous filtration unit (2),

wherein the reverse osmosis treatment unit (3) comprises a low pressure reverse osmosis device (3a) and a medium pressure reverse osmosis device (3 b); a medium-pressure pump is arranged between the low-pressure reverse osmosis device (3a) and the medium-pressure reverse osmosis device (3 b);

wherein the reverse osmosis treatment unit (3) is provided with a medium aquatic product water tank (3 c).

9. The wastewater treatment plant according to claim 8, characterized in that the water outlet pipe of the aeration treatment unit (4) is connected with a discharge unit (5), the discharge unit (5) is provided with a water quality monitor, a sampling port and a discharge port,

wherein, the water quality monitor at least comprises a PH detector, a turbidimeter and a bacteria monitor.

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