CN205045959U - Medical treatment waste water integration treatment device - Google Patents

Abstract

The utility model provides a medical treatment waste water integration treatment device belongs to medical effluent treatment plant field, including the device body, six regions are distinguished in block sediment district, sediment district, biochemical reactions district, settling zone, filtering area and the disinfection of intercommunication each other for the top to install the body partition, blocking the sediment district and including inlet tube and the vertical grid that sets up in blocking the sediment district that sets up in device body top, the grid will block the sediment district and split into two regions, block the bottom intercommunication that sediment district and sediment were distinguished, be provided with aeration equipment in the biochemical reactions district, transversely be provided with the filter material layer in the filtering area, the top of fourth baffle is provided with a pipe, and a pipe's play water end (W. E. ) stretches into the below on filter material layer, be provided with the outlet pipe on the lateral wall in disinfection district. Handle the regional structural style who adopts the integration for six among this technical scheme, not only area is little, and the preparation is simple and convenient in addition, integral hoisting is easy, the running cost is low.

Description

An integrated treatment device for medical wastewater

technical field

The utility model relates to the field of medical wastewater treatment devices, in particular to an integrated medical wastewater treatment device.

Background technique

At present, the treatment of medical wastewater mainly uses the principle of primary sedimentation disinfection treatment or secondary biochemical disinfection treatment process. Most of the sewage treatment structure units adopt the traditional civil construction form, such as the existing brick-concrete or steel-concrete structure construction, which meets the requirements of the construction structure. The unit covers a large area, its own gravity is large, the requirements for the bearing base are high, and the construction takes a long time, resulting in a corresponding increase in operating costs and a large impact on the surrounding environment.

Utility model content

The purpose of this utility model is to provide an integrated medical wastewater treatment device to improve the above problems.

The utility model is achieved in that:

The medical wastewater integrated treatment device provided by the utility model includes a device body, the device body is provided with a cavity, and five partitions are vertically arranged in the cavity, which are respectively the first partition, the second partition, the third partition, The fourth partition and the fifth partition, the tops of the five partitions are all provided with water holes, and the five partitions divide the cavity into six areas, which are respectively the slag blocking area, the sediment area, and the biochemical reaction area , sedimentation area, filtration area and disinfection area; the slag blocking area includes the water inlet pipe set on the top of the device body and the grille vertically arranged in the slag blocking area, and the slag blocking area is divided into two areas by the grid, and the slag blocking area area and the bottom of the sediment area are connected; the biochemical reaction area is provided with an aeration device; the filter area is provided with a filter material layer horizontally, and the water hole of the fourth partition is connected with the first water pipe, and the water outlet of the first water pipe Extending into the bottom of the filter material layer; the water hole of the fifth partition is connected with a second water pipe, and the side wall of the disinfection area is provided with a water outlet pipe.

The basic process principle of the utility model is: aerobic treatment-precipitation-disinfection process principle, using this principle, an integrated device for medical wastewater treatment is invented.

The slag blocking area is used to intercept large suspended solids in the medical wastewater. The medical wastewater enters the slag blocking area through the water inlet pipe, and the medical wastewater filtered by the grid enters the sediment area through the outlet; the medical wastewater flowing into the sediment area is in the Sedimentation is carried out in the sediment area. A certain quality of sediment in the medical wastewater is deposited at the bottom of the sediment area, and the water at the top of the sediment area enters the biochemical reaction area through the water outlet;

"Biochemical reaction" is a biochemical reaction, which refers to a chemical reaction carried out in a living body. The biochemical reaction zone of the present invention adopts the principle of aerobic biological treatment. "Aerobic biological treatment" is to use aerobic microorganisms (including facultative Microbes) carry out biological metabolism in the presence of oxygen to degrade organic matter. Microorganisms use organic pollutants in water as substrates for aerobic metabolism. After a series of biochemical reactions, energy is released step by step, and finally low-energy inorganic The substances are stabilized and meet the requirements of harmlessness in order to return to the natural environment or be further processed. Therefore, the biochemical reaction zone is mainly used to remove organic substances in medical wastewater. Among them, the "aerobic biological treatment method" includes activated sludge method and biofilm There are two types of methods, one of which can be selected in this program, and the microorganisms can be fixed on the membrane or on the cytoskeleton.

The aeration device installed in the biochemical reaction area is used to provide the oxygen required for the biochemical reaction. In addition, the aeration device can also fully mix the medical wastewater in the biochemical reaction area to improve the efficiency of the reaction.

The medical wastewater after the biochemical reaction enters the sedimentation area for re-sedimentation, and the clear water located in the upper layer of the sedimentation area after precipitation flows into the filter area through the first water pipe, and a filter material layer is set in the filter area to further remove particulate impurities such as suspended solids , the upper clear water in the filter area enters the disinfection area through the second water-passing pipe, and the medical wastewater after disinfection treatment in the disinfection area is discharged from the device body through the outlet pipe to complete the treatment of medical wastewater.

In this device, the six areas of slag blocking area, sediment area, biochemical reaction area, sedimentation area, filtration area and disinfection area are all set in the device body to realize the integrated structure of each area, which not only occupies a small area, but also is easy to manufacture , The overall hoisting is easy and the operating cost is low. This technical solution is mainly applicable to the treatment of small amount of medical wastewater, and the treated wastewater is discharged after reaching the corresponding discharge standard, thereby reducing the discharge of wastewater pollution and achieving the purpose of protecting the water environment.

Further, it also includes a sludge return device, the sludge return device includes a suction pump, a first return pipe and a second return pipe, the first return pipe communicates with the bottom of the biochemical reaction area, and the second return pipe communicates with the top of the sediment area Connected, the first return pipe and the second return pipe are connected by a dredge pump.

The sludge in the biochemical reaction area passes through the first return pipe and enters the sedimentation area through the second return pipe under the action of the suction pump. On the one hand, the amount of sludge in the biochemical reaction area is effectively reduced, and on the other hand, the sediment is effectively reduced The amount of sludge produced in the zone, filter zone and disinfection zone, thereby reducing the sludge production of the entire system.

Further, the sedimentation area is provided with two overflow weirs, and the two overflow weirs are respectively arranged at the water passage hole of the third partition and the water passage hole of the fourth partition.

The overflow weir is set up, on the one hand, to ensure that the treated medical wastewater overflows evenly, and on the other hand, to form a relatively clear layer of medical wastewater above the sedimentation area, and the medical wastewater accumulated there will enter the sedimentation area , to make the medical wastewater in the follow-up area clearer, further remove the particulate matter in the medical wastewater, and then improve the treatment effect of the medical wastewater.

Further, the top of the device body is provided with an aeration equipment hole located in the biochemical reaction zone, and an air delivery pipe is pierced through the aeration equipment hole, and the air delivery pipe extends into the bottom end of the biochemical reaction zone and is connected with the aerator.

The aeration device can adopt a blower aeration device or a mechanical aeration device. The utility model is provided with an air delivery pipe on the top of the device body and an aerator at the bottom of the biochemical reaction area, which can promote the aeration of oxygen, medical wastewater and microorganisms. Full contact to ensure that the oxidation reaction is fully carried out.

Further, the sedimentation area is provided with a water inlet pipe for the sedimentation area, a central cylinder and a reflection plate located below the central cylinder. The top wall of the reflection plate is an inclined surface, and the central cylinder is a vertical hollow cylinder. The ends are respectively connected with the water hole on the third separator and the central cylinder.

The medical wastewater entering the sedimentation area through the inlet pipe of the sedimentation area flows to the reflector through the central tube. The reflector can reduce the water inlet speed of the medical wastewater and make the medical wastewater evenly distributed, so that the sedimentation effect of the medical wastewater in the sedimentation area is better.

Further, the reflecting plate is conical.

The side wall of the reflecting plate is an inclined surface, and the medical wastewater flowing out from the central cylinder flows from the inclined surface to the bottom of the sedimentation area. The sediment at the bottom of the sedimentation area is mixed with the clear medical wastewater at the upper part, which affects the sedimentation effect of the sedimentation area.

Further, an emptying pipe is provided at the bottom of at least one of the slag blocking area, the sediment area, the biochemical reaction area, the sedimentation area, the filtering area and the disinfection area.

The emptying pipe is to timely empty the sediment deposited at the bottom of each area to ensure the smooth progress of each step of medical wastewater.

Further, an inspection hole is provided on the top of the slag blocking area and/or the sedimentation area.

The inspection hole is used for inspection and maintenance inside the device body, which is convenient for timely discharge of internal faults of the device and ensures the smooth progress of the wastewater treatment process.

Further, a grid net is arranged on the top of at least one of the sedimentation area, the filtering area and the disinfection area.

At least one of the settling area, the filtering area and the disinfection area adopts a semi-closed form, and a grid net is used on the top to facilitate the observation of the wastewater treatment water quality in the device body.

Further, a ladder is provided on the outer side wall of the device body.

Set up a ladder to facilitate the operator to operate up and down, saving maintenance time or inspection time.

Beneficial effects of the utility model: the six processing areas in the technical solution adopt an integrated structure, which not only occupies a small area, but also is easy to manufacture, easy to hoist as a whole, and low in operating costs.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Fig. 1 is a perspective view of the overall structure of the medical wastewater integrated treatment device provided by the embodiment of the present invention;

Fig. 2 is the perspective view of the top structure of Fig. 1;

FIG. 3 is a perspective view of the bottom structure of FIG. 1 .

In the picture:

Water inlet pipe 101; grille 102; water hole 103; water outlet pipe 104; aerator 105; first water pipe 106; filter material layer 107; inspection hole 109; Cylinder 202; reflection plate 203; emptying pipe 204; overflow weir 205; grid net 206; ladder 207; first return pipe 208; second return pipe 209; ; Precipitation area 303; Filtration area 304; Disinfection area 305; Suction pump 306;

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. In the description of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "vertical", "horizontal", "inner" and "outer" are based on the drawings. The orientation or positional relationship shown, or the orientation or positional relationship that the utility model product is usually placed in use, is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Examples, please refer to FIG. 1 to FIG. 3 .

The medical wastewater integrated treatment device provided in this embodiment includes a device body, and the device body is provided with a cavity. As shown in Figures 1 to 3, five partitions are vertically arranged in the cavity, and the tops of the five partitions are Both are equipped with water holes, which are respectively the first partition, the second partition, the third partition, the fourth partition and the fifth partition. The five partitions divide the cavity into six areas, respectively Slag area 300 , sediment area 301 , biochemical reaction area 302 , precipitation area 303 , filtration area 304 and disinfection area 305 .

The basic process principle of the utility model is: aerobic treatment-precipitation-disinfection process principle, using this principle, an integrated device for medical wastewater treatment is invented.

The slag blocking area 300 includes a water inlet pipe 101 arranged on the top of the device body and a grid 102 vertically arranged in the slag blocking area 300. The grid 102 divides the slag blocking area 300 into two areas, the slag blocking area 300 and the sedimentation area. The bottom of 301 is connected; the biochemical reaction zone 302 is provided with an aeration device; the filter material layer 107 is arranged horizontally in the filter zone 304, and the water hole of the fourth dividing plate is connected with the first water pipe 106, the first water pipe 106 The water outlet extends below the filter material layer 107; the water hole of the fifth partition is connected with a second water pipe 307, and the side wall of the disinfection zone 305 is provided with a water outlet pipe 104.

The slag blocking area 300 is used to intercept large suspended solids in the medical wastewater. The medical wastewater enters the slag blocking area through the water inlet pipe 101, and the medical wastewater filtered by the grid 102 enters the sediment area 301 through the outlet; it flows into the sediment area 301 The medical waste water inside is sedimented in the sediment area 301. The sediment of a certain quality in the medical wastewater is deposited at the bottom of the sediment area 301, and the water at the top of the sediment area 301 enters the biochemical reaction area 302 through the water outlet; "biochemical reaction" means biological Chemical reaction refers to the chemical reaction carried out in the living body. What the biochemical reaction zone 302 of the present invention adopts is the principle of aerobic biological treatment. "Aerobic biological treatment" is to use aerobic microorganisms (including facultative microorganisms) to Biometabolism is carried out under the condition of existence to degrade organic matter. Microbes use organic pollutants in water as substrates for aerobic metabolism. After a series of biochemical reactions, energy is released step by step, and finally stabilized with low-energy inorganic matter. Harmless requirements in order to return to the natural environment or further treatment, so the biochemical reaction zone 302 is mainly used to remove organic matter in medical wastewater, of which "aerobic biological treatment" has two categories: activated sludge method and biofilm method , This program can choose one of them, and the microorganisms in it can be fixed on the membrane or on the cytoskeleton.

The aeration device installed in the biochemical reaction area 302 is used to provide the oxygen required for the biochemical reaction. In addition, the aeration device can fully mix the medical wastewater in the biochemical reaction area 302 to improve the efficiency of the reaction. Wherein, the aeration device may adopt a blower aeration device, or a mechanical aeration device. The present embodiment is preferably as follows: as shown in FIG. The aeration device hole 200 is pierced with an air delivery pipe, and the air delivery pipe extends into the bottom of the biochemical reaction zone 302 and is connected with the aerator 105, wherein the aerator 105 is preferably arranged at the bottom of the biochemical reaction zone 302, which can promote oxygen and The full contact of medical wastewater and microorganisms ensures that the oxidation reaction is fully carried out.

The medical wastewater after the biochemical reaction enters the sedimentation area 303 for re-precipitation, and the clear water located on the upper layer of the sedimentation area 303 after precipitation flows into the filter area 304 through the first water pipe 106, and a filter material layer 107 is set in the filter area 304 to further remove Suspended solids and other particulate impurities, the upper clear water in the filter area 304 enters the disinfection area 305 through the second water pipe 307, and the medical wastewater after disinfection treatment in the disinfection area 305 is discharged from the device body through the outlet pipe 104 to complete the treatment of medical wastewater.

The slag blocking area 300, sedimentation area 301, biochemical reaction area 302, sedimentation area 303, filtration area 304 and disinfection area 305 in this device are all set in the device body to realize the integrated structure of each area, not only occupying an area The area is small, and the production is simple, the overall hoisting is easy, and the operating cost is low. This technical solution is mainly applicable to the treatment of small amount of medical wastewater, and the treated wastewater is discharged after reaching the corresponding discharge standard, thereby reducing the discharge of wastewater pollution and achieving the purpose of protecting the water environment.

In order to reduce the amount of sludge produced in the whole system, the technical solution also includes a sludge return device, as shown in Figure 1, the sludge return device includes a suction pump 306, a first return pipe 208 and a second return pipe 209, the first The return pipe 208 communicates with the bottom of the biochemical reaction zone 302, the second return pipe 209 communicates with the top of the sediment zone 301, and the first return pipe 208 and the second return pipe 209 are connected by a dredge pump 306; in the biochemical reaction zone 302 The sludge passes through the first return pipe 208, and enters the sediment area 301 through the second return pipe 209 under the action of the suction pump 306. On the one hand, the amount of sludge in the biochemical reaction area 302 is effectively reduced, and on the other hand, the amount of sludge in the biochemical reaction area 302 is effectively reduced. The amount of sludge produced in the sedimentation zone 303, the filtration zone 304 and the disinfection zone 305 further reduces the sludge production of the whole system.

As shown in Figure 1, the settling area 303 is provided with two overflow weirs 205, and the two overflow weirs 205 are respectively arranged at the water hole of the third dividing plate and the water passing hole of the fourth dividing plate, wherein the settling area 303 as a reference, the overflow weir located at the water hole of the third partition is the water inlet weir, and the medical wastewater treated in the biochemical reaction zone flows into the sedimentation area through the overflow weir, and is located at the water hole of the fourth partition The overflow weir is an outlet weir, and the medical wastewater treated in the sedimentation area flows into the first water pipe through the overflow weir, and then flows into the filter area. , the overflow weir 205 is set, on the one hand, to ensure that the treated medical wastewater overflows evenly, and on the other hand, to form a relatively clear medical wastewater layer above the sedimentation area 303, and the medical wastewater accumulated there will enter In the precipitation area 303, the medical wastewater in the subsequent area is clearer, and the particulate matter in the medical wastewater is further removed, thereby improving the treatment effect of the medical wastewater. An overflow weir 205 may also be arranged on the third partition.

In order to make the sedimentation effect of the sedimentation zone 303 better, as shown in Figure 1, the sedimentation zone water inlet pipe 201, the central cylinder 202 and the reflector 203 positioned at the center cylinder 202 below are arranged in the sedimentation zone 303, and the top wall of the reflector 203 is Inclined surface, the central cylinder 202 is a hollow cylinder arranged vertically, and the two ends of the water inlet pipe 201 in the sedimentation area are respectively connected with the water hole 103 on the third partition and the central cylinder 202; the water inlet pipe 201 enters the sedimentation area The medical wastewater in 303 flows to the reflection plate 203 through the central cylinder 202. The reflection plate 203 can reduce the inflow speed of the medical wastewater and make the medical wastewater evenly distributed, so that the sedimentation effect of the medical wastewater in the precipitation area 303 is better. Wherein, the reflective plate 203 is preferably conical. The advantage is that the side wall of the reflective plate 203 is an inclined surface, and the medical wastewater flowing out from the central cylinder 202 flows from the inclined surface to the bottom of the sedimentation area 303. The inclined surface can effectively slow down the flow of medical wastewater. Flow rate, to avoid the impact of high flow rate on the medical wastewater at the bottom of the sedimentation area 303, and mix the sediment deposited at the bottom of the sedimentation area 303 with the clear medical wastewater at the upper part, affecting the sedimentation effect of the sedimentation area 303.

In order to promptly empty the sediment deposited at the bottom of each area and ensure the smooth progress of each step of medical wastewater, as shown in Figures 1 to 3, the slag blocking area 300, the sediment area 301, the biochemical reaction area 302, the sedimentation area 303, the filter The bottom of at least one of the zone 304 and the disinfection zone 305 is provided with an emptying tube 204 .

In order to timely eliminate the internal faults of the device and ensure the smooth progress of the wastewater treatment process, as shown in FIG. 2 , an inspection hole 109 is provided on the top of the slag blocking area 300 and/or the sediment area 301 . The inspection hole 109 is used for inspection and maintenance inside the device body.

In order to facilitate the observation of the water quality of medical wastewater in the device body, as shown in Figure 2, the top of at least one of the settling area 303, the filtering area 304 and the disinfection area 305 is provided with a grille 206, the settling area 303, the filtering area 304 Any area in the disinfection zone 305 adopts a semi-enclosed form, and a grid net 206 is used on its top to facilitate the observation of the wastewater treatment water quality in the device body.

In order to facilitate the operator to operate up and down, as shown in Figure 1 and Figure 2, a ladder 207 is provided on the outer side wall of the device body, saving maintenance time or inspection time.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a medical waste water integrated treatment unit, it is characterized in that, comprise device body, described device body is provided with cavity, vertically be arranged side by side five dividing plates in described cavity, be respectively the first dividing plate, second partition, the 3rd dividing plate, the 4th dividing plate and the 5th dividing plate, the top of five described dividing plates is provided with water hole, described cavity is divided into six regions by five described dividing plates, is respectively debris retaining district, sediment district, biochemical reaction zone, settling region, filtrating area and sterilizating area;

Described debris retaining district comprises the water inlet pipe being arranged at described device body top and the grid be vertically arranged in described debris retaining district, and described debris retaining district is divided into two regions by described grid, and described debris retaining district is communicated with the bottom in described sediment district;

Aerating apparatus is provided with in described biochemical reaction zone; Be horizontally arranged with filter material layer in described filtrating area, the described water hole of described 4th dividing plate is communicated with first and crosses water pipe, and the below of described filter material layer is stretched in the described first water side crossing water pipe; The water hole of described 5th dividing plate is communicated with second and crosses water pipe, and the sidewall of described sterilizating area is provided with rising pipe.

2. medical waste water integrated treatment unit according to claim 1, it is characterized in that, also comprise sludge refluxing apparatus, described sludge refluxing apparatus comprises excavating pump, the first return line and the second return line, described first return line is communicated with the bottom of described biochemical reaction zone, described second return line is communicated with the top in described sediment district, is connected between described first return line and described second return line by excavating pump.

3. medical waste water integrated treatment unit according to claim 1, is characterized in that, described settling region is provided with two overflow weirs, and two described overflow weirs are arranged at the water hole of described 3rd dividing plate and the described water hole place of described 4th dividing plate respectively.

4. medical waste water integrated treatment unit according to claim 1, it is characterized in that, the top of described device body is provided with the aerator hole being positioned at described biochemical reaction zone, described aerator hole is equipped with pneumatic tube, and described pneumatic tube stretches into the bottom of described biochemical reaction zone and is connected with aerator.

5. medical waste water integrated treatment unit according to claim 1, it is characterized in that, the reflector being provided with settling region water inlet pipe, central tube in described settling region and being positioned at below described central tube, the roof of described reflector is scarp, described central tube is the vertical hollow circular cylinder arranged, and the two ends of described settling region water inlet pipe are connected with the described water hole on described 3rd dividing plate and described central tube respectively.

6. medical waste water integrated treatment unit according to claim 5, is characterized in that, described reflector is coniform.

7. medical waste water integrated treatment unit according to claim 1, it is characterized in that, the bottom at least one region in described debris retaining district, described sediment district, described biochemical reaction zone, described settling region, described filtrating area and described sterilizating area is provided with evacuated tube.

8. medical waste water integrated treatment unit according to claim 1, is characterized in that, the top in described debris retaining district and/or described sediment district is provided with inspection window.

9. medical waste water integrated treatment unit according to claim 1, is characterized in that, the top at least one region in described settling region, described filtrating area and described sterilizating area is provided with grid.

10. medical waste water integrated treatment unit according to claim 1, is characterized in that, the exterior side wall of described device body is provided with cat ladder.