CN209974495U - Medical wastewater advanced treatment disinfecting equipment - Google Patents

Abstract

The utility model discloses a medical wastewater advanced treatment disinfecting equipment, it is including a jar body, ultraviolet tube, the little electrolysis filler of copper iron, and the copper iron electrolysis filler is filled at a jar internal, and ultraviolet tube installs at a jar internal, and ultraviolet tube's bottom is located the little electrolysis filler of copper iron. The oxidation-reduction reaction is generated in the copper-iron micro-electrolysis filler, and the anode generates a large amount of Fe²⁺Into the waste water, Fe²⁺Is oxidized into Fe by water body³⁺To form a flocculating agent with higher adsorption and flocculation activityFlocculation of impurities in medical wastewater and cathodic reaction to produce large amounts of nascent [ H ]]And [ O]So that the organic macromolecules are broken and degraded, thereby eliminating the chromaticity of the medical wastewater, and the ultraviolet lamp tube can strengthen the oxidation-reduction reaction, thereby generating more and continuously released nascent state [ H ]]And [ O]Further, the worm eggs, spores and refractory organic matters are oxidized, and the aims of removing the refractory organic matters and sterilizing are fulfilled.

Description

A kind of medical wastewater advanced treatment and disinfection equipment

technical field

The utility model relates to the technical field of sewage treatment, in particular to a disinfection device for advanced treatment of medical waste water.

Background technique

In addition to a large number of bacteria, viruses, eggs and other pathogens, medical wastewater also contains chemical agents and radioisotopes, which has several characteristics of space pollution, acute infection and latent infection. If the medical sewage containing pathogenic microorganisms is directly discharged into urban sewers without disinfection, inactivation and other harmless treatment, it will often cause water and soil pollution, which will seriously cause various diseases, or lead to water-borne infectious diseases outbreaks. Traditional disinfection mostly uses liquid chlorine, sodium hypochlorite, chlorine dioxide and ultraviolet disinfection. The main problem of chlorine-based disinfection is that it is easy to remain in the wastewater, the eggs are not easy to kill, and it is easy to cause secondary pollution, and the ultraviolet disinfection device is not completely disinfected. Without sustainability, the disinfection wastewater contains trace amounts of refractory organic pollutants, which are not easily removed by the previous biological treatment, and will also cause serious pollution to the water body.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the prior art and provide a medical wastewater advanced treatment and disinfection equipment.

The purpose of the utility model is achieved through the following technical solutions: a medical wastewater advanced treatment and disinfection equipment, which includes a tank body, an ultraviolet lamp tube, and copper-iron micro-electrolytic fillers, the copper-iron electrolytic filler is filled in the tank body, and the ultraviolet lamp tube is installed in the tank. inside the tank, and the bottom of the ultraviolet lamp tube is located in the copper-iron micro-electrolytic filler.

Preferably, a filter layer is also provided at the bottom of the inner cavity of the tank body, and the copper-iron microelectrolytic filler is located above the filter layer.

Preferably, the filter layer includes a first filter layer and a second filter layer, and the first filter layer is located above the second filter layer.

Preferably, an upper water distributor is installed on the top of the inner cavity of the tank body, and a multi-way valve is installed at the water inlet end of the upper water distributor, and the multi-way valve is located outside the tank body.

Preferably, a central pipe is also installed in the tank, the water outlet end of the central pipe is communicated with the multi-way valve, and the water inlet end of the central pipe is located in the second filter layer.

Preferably, the bottom of the central pipe is provided with a lower water distributor, and the lower water distributor is located in the second filter layer.

Preferably, the multi-way valve is provided with a water inlet for entering medical waste water, a water outlet for discharging backwash water, and a water outlet for discharging disinfected water.

Preferably, the first filter layer is 2-4mm pebbles, and the second filter layer is 4-8mm pebbles.

The utility model has the following advantages:

1. In the medical wastewater advanced treatment and disinfection equipment of the present invention, redox reaction occurs in the copper-iron micro-electrolysis filler, and the anode produces a large amount of Fe ²⁺ to enter the wastewater, and Fe ²⁺ is oxidized into Fe ³⁺ by the water body, thereby forming a high Adsorbs flocculating active flocculants, thereby flocculating impurities in medical wastewater, and the cathode reaction produces a large amount of new ecological [H] and [O], which can degrade organic macromolecules by chain scission, thereby eliminating the chromaticity of medical wastewater, In addition, the utility model is provided with an ultraviolet lamp tube, which can strengthen the redox reaction, thereby generating more and continuously releasing new ecological [H] and [O], and then oxidizing the eggs, spores and refractory organic matter, and realizing the removal of refractory degradation. Organic matter and sterilization purposes;

2. A multi-way valve is provided. Through the control of the multi-way valve, the continuous sterilization and disinfection of medical wastewater can be realized, thereby improving the sterilization and disinfection efficiency of medical wastewater.

3. Through the upper water distributor and the lower water distributor, uniform water distribution can be achieved, and water can also be distributed through the lower water distributor to achieve backwashing of the tank, thereby improving the cleaning efficiency of the tank and realizing medical treatment. Continuous and durable sterilization and disinfection of wastewater.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic top view of the utility model

In the figure, 1-tank, 2-ultraviolet lamp, 3-multi-way valve, 4-upper water distributor, 5-central pipe, 6-copper iron micro-electrolytic filler, 7-first filter layer, 8-th Two filter layers, 9-lower water distributor, 10-water outlet, 11-water inlet, 12-drainage outlet, 13-filter layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figure 1, a medical wastewater advanced treatment and disinfection equipment, which includes a tank 1, an ultraviolet lamp 2, a copper-iron micro-electrolytic filler 6, the copper-iron electrolytic filler 6 is filled in the tank 1, and the ultraviolet lamp 2 is installed In the tank body 1, and the bottom of the ultraviolet lamp 2 is located in the copper-iron micro-electrolytic filler 6, after the medical wastewater enters the tank body 1, a redox reaction occurs in the copper-iron micro-electrolytic filler 6, and the anode reaction generates a large amount of Fe ²⁺ enters the wastewater, and Fe ²⁺ is oxidized to Fe ³⁺ in the water body to form a flocculant with high adsorption and flocculation activity. The cathodic reaction produces a large amount of new ecological [H] and [O]. These active ingredients can undergo redox reactions with components in wastewater, causing chain scission and degradation of organic macromolecules, thereby eliminating the chromaticity of medical wastewater. It is killed under the irradiation of ultraviolet light, and ultraviolet light can also strengthen the redox reaction, so that it can produce more and continuously release new ecological [H] and [O], and then oxidize the eggs, spores and refractory organic matter, and finally achieve It can remove the refractory organic matter and sterilize, thus realizing the disinfection of medical wastewater and avoiding the pollution of medical wastewater to the water body.

In this embodiment, a filter layer 13 is also provided at the bottom of the inner cavity of the tank body 1, and the copper-iron microelectrolytic filler 6 is located above the filter layer 13. The waste water is gradually flocculated under the flocculation effect of Fe ³⁺ , and the waste water passes through Ultraviolet sterilization, and finally filter through the filter layer 13, the filtered water from the filter layer 13 will not cause pollution to the water body. Further, the filter layer 13 includes the first filter layer 7 and the second filter layer 8, and The first filter layer 7 is located above the second filter layer 8. Preferably, the first filter layer 7 is a 2-4mm cobblestone, the second filter layer 8 is a 4-8mm cobblestone, and the water after disinfection and sterilization passes through the filter layer. After 13 filtration, the flocculant is retained by the filter layer 13 .

In this embodiment, an upper water distributor 4 is installed on the top of the inner cavity of the tank body 1, and a multi-way valve 3 is installed at the water inlet end of the upper water distributor 4. The multi-way valve 3 is located outside the tank body 1. The waste water is controlled by the multi-way valve 3, and finally enters the tank 1 through the upper water distributor 4, and the water is distributed through the upper water distributor 4, so that the medical waste water can be evenly distributed on the copper-iron micro-electrolysis packing, so that Fe ³⁺ The formed flocculant can be evenly distributed in the medical wastewater, thereby improving the disinfection efficiency and disinfection effect of the medical wastewater.

In this embodiment, a central pipe 5 is also installed in the tank body 1. The water outlet end of the central pipe 5 is communicated with the multi-way valve 3, and the water inlet end of the central pipe 5 is located in the second filter layer 9. Further, the central pipe The bottom of 5 is provided with a lower water distributor 9, and the lower water distributor 9 is located in the second filter layer 9. As shown in FIG. 2, the multi-way valve 3 is provided with a water inlet 11 for entering medical waste water and discharging backwash water. The water outlet 12 and the water outlet 10 for discharging the disinfected water, the water outlet 10 is connected to the water outlet pipe, the water outlet 12 is connected to the drainage pipe, and the water inlet is connected to the water inlet pipe, and a pump assembly is arranged on the water outlet pipe. The filtered water enters the central pipe 5 through the lower water distributor 9, and then passes through the multi-way valve 3, and finally is discharged from the water outlet 10. In this embodiment, the multi-way valve adopts the F67B-A type multi-way valve. valve.

In this embodiment, when the flocs increase and the filtration efficiency decreases, the water inlet 11 can be closed through the multi-way valve 3, so that the medical waste water does not enter the tank 1, and then the clean water is passed through the multi-way valve 3, The central pipe 5 and the lower water distributor 9 enter the second filter layer 9, and the lower water distributor 9 distributes water to the tank body 1 from bottom to top, so that the filter layer 13 is backwashed by the water and trapped in the filter layer. The flocs on the layer 13 are taken away by the backwash water, and finally enter the multi-way valve 3 through the upper water distributor 4, and finally discharge through the drain port 12. Further, in order to save water resources, the backwash water is used from the outlet. Disinfected and sterilized water discharged from the water outlet.

The working process of the present utility model is as follows:

1. Disinfection and sterilization process: The medical waste water enters the multi-way valve 3 through the water inlet 11, and then enters the upper water distributor 4 through the multi-way valve 3. The upper water distributor 4 evenly distributes the medical waste water on the copper-iron On the electrolytic filler 6, a redox reaction occurs in the copper-iron micro-electrolytic filler 6, and the anode reaction generates a large amount of Fe ²⁺ into the wastewater, and the Fe ²⁺ is oxidized to Fe ³⁺ in the water body, forming a flocculant with high adsorption and flocculation activity. , the cathodic reaction produces a large amount of new ecological [H] and [O]. Under acidic conditions, these active components can undergo redox reactions with the components in the wastewater, causing chain scission and degradation of organic macromolecules. The chromaticity of medical wastewater, and at the same time as the redox reaction occurs, the ultraviolet lamp 2 emits ultraviolet rays, and microorganisms are killed under the irradiation of ultraviolet rays, and the ultraviolet rays can also strengthen the redox reaction, making it produce more and continuously release new Ecological [H] and [O], and then oxidize the eggs, spores and refractory organic matter, and finally achieve the effect of removing refractory organic matter and sterilization, thus realizing the disinfection of medical wastewater, and the disinfected water will pass through the filter layer 13 Filter, and finally enter into the central pipe 5 through the lower water distributor 9, and finally discharge through the water outlet of the multi-way valve 3 to complete the sterilization and disinfection process of the medical wastewater;

2. Backwashing process: the multi-way valve 3 closes the water inlet 11, and then the water enters the multi-way valve 3 through the water outlet, and enters the lower water distributor 9 through the central pipe 5, and the lower water distributor 9 will reverse The flushing water is arranged from bottom to top, so that the water backwashes the filter layer 13, and the flocs trapped on the filter layer 13 are taken away by the backwashing water and enter the multi-way valve through the upper water distributor 4 3, and finally discharged through the drain port of the multi-way valve 3 to complete the backwashing of the tank 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (8)

1. A medical wastewater advanced treatment and disinfection equipment, characterized in that: it comprises a tank body (1), an ultraviolet lamp tube (2), a copper-iron micro-electrolytic filler (6), and the copper-iron electrolytic filler (6) is filled in Inside the tank body (1), the ultraviolet lamp tube (2) is installed in the tank body (1), and the bottom of the ultraviolet lamp tube (2) is located on the copper-iron microelectrolytic filler (6) Inside. 2. The equipment for advanced treatment and disinfection of medical wastewater according to claim 1, characterized in that: the bottom of the inner cavity of the tank body (1) is further provided with a filter layer (13), and the copper-iron microelectrolytic filler ( 6) Above the filter layer (13). 3. The equipment for advanced treatment and disinfection of medical wastewater according to claim 2, wherein the filter layer (13) comprises a first filter layer (7) and a second filter layer (8), and the first filter layer (13) comprises a first filter layer (7) and a second filter layer (8). A filter layer (7) is located above the second filter layer (8). 4. A medical wastewater advanced treatment and disinfection equipment according to claim 3, characterized in that: an upper water distributor (4) is installed on the top of the inner cavity of the tank body (1), and the upper water distributor ( 4) A multi-way valve (3) is installed at the water inlet end, and the multi-way valve (3) is located outside the tank body (1). 5 . The equipment for advanced treatment and disinfection of medical wastewater according to claim 4 , wherein a central pipe ( 5 ) is further installed in the tank body ( 1 ), and the water outlet end of the central pipe ( 5 ) is connected to the The multi-way valve (3) is communicated, and the water inlet end of the central pipe (5) is located in the second filter layer (9). 6. The equipment for advanced treatment and disinfection of medical wastewater according to claim 5, characterized in that: a lower water distributor (9) is provided at the bottom of the central pipe (5), and the lower water distributor (9) located in the second filter layer (9). 7 . The equipment for advanced treatment and disinfection of medical wastewater according to claim 6 , wherein the multi-way valve ( 3 ) is provided with a water inlet ( 11 ) for entering medical wastewater and a drain for discharging backwash water. 8 . A port (12) and a water outlet (10) for discharging the disinfected water. 8. A medical wastewater advanced treatment and disinfection equipment according to any one of claims 3 to 7, characterized in that: the first filter layer (7) is 2-4mm pebbles, and the second filter layer ( 8) It is 4~8mm cobblestone.

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