CN214936653U - Medical wastewater treatment device - Google Patents

Medical wastewater treatment device Download PDF

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Publication number
CN214936653U
CN214936653U CN202121312872.3U CN202121312872U CN214936653U CN 214936653 U CN214936653 U CN 214936653U CN 202121312872 U CN202121312872 U CN 202121312872U CN 214936653 U CN214936653 U CN 214936653U
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gas
storage tank
medical wastewater
filter layer
temporary storage
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CN202121312872.3U
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张利方
凌晓
周志明
刘凯丽
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Guangdong Puhua Testing Technology Co ltd
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Guangdong Puhua Testing Technology Co ltd
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Abstract

The application provides a medical wastewater treatment device, it is through the medical wastewater in the jar special pipeline of storage medical wastewater of keeping in storage, lets in the jar of keeping in with the chlorine-containing gas in the gas holder through the three-way valve and mixes with medical wastewater in order to destroy aquatic pollutant. When the gas content in water is close to saturation, the opening and closing directions of the three-way valve are switched, and the gas and the liquid in the temporary storage tank are conveyed into the gas-dissolved water storage tank through the supercharging device and are temporarily stored in a gas-dissolved water mode. In the next aeration period of the treatment device, the gas-dissolving water in the gas-dissolving water storage tank is discharged to the pressure reduction tank, so that a large number of micro bubbles are formed due to sudden pressure reduction, the micro bubbles adhere to condensed substances generated by macromolecular organic matters in the medical wastewater, the relative density of pollutants is reduced and the pollutants float on the water surface, and then the pollutants are adsorbed by the condensed substance collection device and are discharged. The medical wastewater treatment system can reduce leakage risks in the processes of medical wastewater collection, transportation and transportation, and avoids cross infection caused by the fact that the medical wastewater pollutes the external environment.

Description

Medical wastewater treatment device
Technical Field
The application relates to the field of sewage treatment, in particular to a medical wastewater treatment device.
Background
Medical wastewater contains a large amount of proteins, viruses and pathogenic bacteria, so that the medical wastewater needs to be subjected to harmless treatment to prevent environmental pollution or cross infection. The existing medical wastewater treatment device can carry out harmless treatment only by uniformly conveying collected medical wastewater into a treatment plant. The collection, transportation and transportation process of the device has leakage risk, and the pollution to the external environment is difficult to be completely avoided.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the application aims to provide a medical wastewater treatment device. This application is through special pipeline collection medical waste water to setting up degassing unit at the jar entry end of keeping in, can solving medical waste water and collecting the problem that pollutes the external environment in the transportation.
To achieve the above object, the present application provides a medical wastewater treatment apparatus comprising: the temporary storage tank is connected with the medical wastewater special pipeline and is used for receiving and temporarily storing the medical wastewater; the first end of the three-way valve is communicated with the gas inlet of the temporary storage tank, the second end of the three-way valve is connected with a gas storage tank to convey gas of the gas storage tank into the temporary storage tank, and the third end of the three-way valve is connected with a supercharging device; the pressurizing device is used for pressurizing the medical wastewater mixed with the gas in the gas storage tank in the temporary storage tank to form gas-dissolved water; the gas-dissolved water storage tank is connected with the output end of the supercharging device and is used for receiving and storing the supercharged gas-dissolved water; the top of the pressure reducing pool is closed, the bottom of the pressure reducing pool is provided with a dissolved gas releaser, the dissolved gas releaser is communicated with the output end of the dissolved gas water storage tank, and the dissolved gas water is discharged to the pressure reducing pool; and the condensate collecting device is arranged at the top of the decompression tank and is used for adsorbing, conveying and collecting the condensate formed in the decompression tank.
Optionally, the medical wastewater treatment device as described in any of the above, wherein the top of the temporary storage tank is further provided with a disinfection device at a position close to the end of the medical wastewater special pipe.
Optionally, the medical wastewater treatment device as described in any of the above, wherein the disinfection device comprises any one or a combination of the following: high-pressure steam sterilizer, ultraviolet lamp tube and ozone generator.
Optionally, the medical wastewater treatment apparatus as described in any of the above, wherein a first filter layer and a second filter layer are disposed inside the temporary storage tank, wherein the first filter layer is horizontally disposed above the second filter layer, and the second filter layer is obliquely disposed at a lower portion of the temporary storage tank and located above a water level line of the temporary storage tank; the gas inlet is arranged between the first filter layer and the second filter layer and is close to the top end of the second filter layer; the filter pore size of the first filter layer is larger than that of the second filter layer.
Optionally, as in any one of the above medical wastewater treatment devices, the temporary storage tank is further provided with a discharge outlet, and the first filter layer and the second filter layer are respectively detachably mounted on the upper side and the lower side of the discharge outlet.
Optionally, the medical wastewater treatment apparatus as described in any of the above, wherein the pressure boosting device comprises: the gas booster pump is arranged between the third end of the three-way valve and the first inlet of the dissolved gas water storage tank; and a liquid booster pump arranged between the lower part of the water level line of the temporary storage tank and the second inlet of the dissolved gas water storage tank.
Optionally, the medical wastewater treatment apparatus of any of the above, wherein the condensate collection apparatus comprises: the electrostatic adsorption conveying belt is horizontally arranged in the pressure reduction tank and is positioned above the liquid level in the pressure reduction tank; a scraper horizontally arranged above the electrostatic adsorption conveying belt and abutted against the electrostatic adsorption conveying belt to scrape condensate on the electrostatic adsorption conveying belt; a transfer mechanism connected to the rear side of the scraper and receiving the condensate scraped by the scraper; and the collecting device is arranged above the outside of the decompression pool, and a receiving port of the collecting device is connected with the tail end of the transfer mechanism and used for receiving the condensate conveyed by the transfer mechanism.
Optionally, the medical wastewater treatment device as described in any of the above, wherein a cover plate is disposed on the top of the pressure reduction tank, a discharge port is disposed on the rear portion of the cover plate, and the end of the transfer mechanism extends out of the discharge port and is connected to the inside of the receiving port of the collection device.
Optionally, the medical wastewater treatment device as described in any of the above, wherein the receiving opening of the collecting device is hermetically connected with the discharging opening of the cover plate.
Compared with the prior art, the method has the following technical effects:
the application provides a medical wastewater treatment device, it is through the medical wastewater in the jar special pipeline of storage medical wastewater of keeping in storage, lets in the jar of keeping in with the chlorine-containing gas in the gas holder through the three-way valve and mixes with medical wastewater in order to destroy aquatic pollutant. When the gas content in water is close to saturation, the opening and closing directions of the three-way valve are switched, and the gas and the liquid in the temporary storage tank are conveyed into the gas-dissolved water storage tank through the supercharging device and are temporarily stored in a gas-dissolved water mode. In the next aeration period of the treatment device, the gas-dissolving water in the gas-dissolving water storage tank is discharged to the pressure reduction tank, so that a large number of micro bubbles are formed due to sudden pressure reduction, the micro bubbles adhere to condensed substances generated by macromolecular organic matters in the medical wastewater, the relative density of pollutants is reduced and the pollutants float on the water surface, and then the pollutants are adsorbed by the condensed substance collection device and are discharged. The medical wastewater treatment system can reduce leakage risks in the processes of medical wastewater collection, transportation and transportation, and avoids cross infection caused by the fact that the medical wastewater pollutes the external environment.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application and not limit the application. In the drawings:
FIG. 1 is a medical wastewater treatment apparatus according to the present application.
In the drawings, 1 denotes a sterilizing device; 2 represents a temporary storage tank; 21 denotes a first filter layer; 22 denotes a second filter layer; 3 denotes a three-way valve; 31 denotes an air tank; 4 denotes a gas booster pump; 41 denotes a liquid booster pump; 42 denotes a dissolved gas water storage tank; 5 denotes a pressure reduction cell; reference numeral 51 denotes an electrostatic adsorption conveyor belt; numeral 52 denotes a squeegee; 53 denotes a transport mechanism; and 54 denotes a collecting device.
Detailed Description
The preferred embodiments of the present application will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein only to illustrate and explain the present application and not to limit the present application.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
The meaning of "up and down" in this application means that the direction from the top of the ground buffer tank to the disinfection device is up, or down, when the user is facing the medical wastewater treatment device, and not specifically limited to the device mechanism of this application.
The medical wastewater treatment device provided by the application can be shown by referring to fig. 1 and is provided with:
a temporary storage tank 2, the top of which is connected with a medical wastewater special pipeline and receives and temporarily stores medical wastewater at the bottom thereof;
a three-way valve 3, the first end of which is communicated with the gas inlet in the middle of the temporary storage tank 2, the second end of which is connected with the gas storage tank 31 to convey the chlorine-containing gas in the gas storage tank into the temporary storage tank 2, and the third end of which is connected with a supercharging device, wherein the three-way valve can be driven by a motor to switch the conduction state between the gas storage tank 32 and the supercharging device, so that the chlorine-containing gas is conveyed to the temporary storage tank 2 for disinfection and sewage pretreatment or medical wastewater is discharged to the supercharging device;
the pressurizing device is used for pressurizing the medical wastewater of the gas in the medium-mixing gas storage tank to form gas-dissolved water when the three-way valve 3 is switched to be communicated with the temporary storage tank 2;
the gas-dissolved water storage tank 42 is connected with the output end of the supercharging device and is used for receiving and storing the supercharged gas-dissolved water;
a pressure reduction tank 5, the top of which is closed, the bottom of which is provided with a dissolved gas releaser which is communicated with the output end of the dissolved gas water storage tank 42 and discharges the dissolved gas water to the pressure reduction tank 5, at the moment, the dissolved gas water forms a large amount of micro bubbles due to sudden pressure reduction, and the micro bubbles adhere to condensed matters generated by macromolecular organic matters in the medical wastewater, so that the relative density of pollutants is reduced and the pollutants float to the water surface;
and a condensate collecting device which is arranged at the top of the decompression tank 5 and is used for adsorbing, conveying and collecting the condensate formed in the decompression tank and discharging the condensate.
In a preferable mode, the top of the temporary storage tank 2 is further provided with a high-pressure steam sterilizer, an ultraviolet lamp tube, an ozone generator and other disinfection devices 1 at a position close to the tail end of the medical wastewater special pipeline, so as to primarily disinfect the medical wastewater and reduce the activity of pathogenic bacteria, microorganisms or viruses in the medical wastewater. The gas in the gas storage tank can be used for secondary disinfection, and simultaneously modify macromolecules such as protein in the wastewater, so that the macromolecules can be condensed into condensed substances through intermolecular action.
For avoiding the medical waste or impurity influence device influence of adulteration in the waste water, this application still can be in the inside of temporary storage tank 2 sets up first filter layer 21 and second filter layer 22 respectively: the first filter layer 21 is horizontally arranged above the second filter layer 22 and used for filtering foreign matters in the sewage, and the second filter layer 22 is obliquely arranged at the lower part of the temporary storage tank 2 and is positioned above the water level line of the temporary storage tank 2 and used for filtering impurity precipitates;
the gas inlet is arranged between the first filter layer 21 and the second filter layer 22, close to the top end of the second filter layer 22, to supply gas into the tank;
the filter pore size of the first filter layer 21 may be generally set larger than that of the second filter layer 22.
For conveniently clearing up the foreign matter on the filter layer, the temporary storage tank 2 is still provided with the bin outlet in one side that its lateral wall is just to gas inlet, first filter layer 21 and second filter layer 22 are respectively accessible grafting mode detachably install the upper and lower both sides of bin outlet. After the discharge opening is opened, maintenance personnel can clean the two filter layers by disassembling the two filter layers and remove the sediment on the filter layers.
Generally, the gas water that dissolves need pressurize simultaneously in the jar gas and liquid jointly and just can form, consequently, this application can be further set up supercharging device as including:
a gas booster pump 4 arranged between the third end of the three-way valve 3 and the first inlet of the dissolved gas water storage tank 42;
and a liquid booster pump 41 provided between the discharge port below the water level line of the temporary storage tank 2 and the second inlet of the dissolved gas water storage tank 42:
in the first ventilation period, the three-way valve 3 rotates to communicate the temporary storage tank and the gas storage tank, chlorine gas contained in the gas storage tank is conveyed into the temporary storage tank 2 until the gas in the temporary storage tank approaches a saturation state, and at the moment, the second ventilation period is triggered; in the second ventilation period, the three-way valve 3 is switched to a state of closing the gas storage tank and conducting the temporary storage tank and the gas booster pump, and at the moment, the gas booster pump boosts the gas output by the gas storage tank, so that the high-pressure medical wastewater discharged by the mixed liquid booster pump is stored as gas-dissolved water in the gas-dissolved water storage tank.
Therefore, after the dissolved gas water storage tank discharges the dissolved gas water through the dissolved gas releaser at the bottom of the decompression pool 5 in a decompression way, a large amount of bubbles can be generated in the decompression pool, and the coagulated matters formed by the coagulation of macromolecules such as protein in the treated medical wastewater are pushed to the upper part of the pool water by the bubbles, so that the coagulated pollutants can be collected by the coagulated matter collecting device arranged at the upper part of the decompression pool. The condensate collection apparatus includes:
the electrostatic adsorption conveyor belt 51 is horizontally arranged in the pressure reduction tank 5, is positioned above the liquid level in the pressure reduction tank 5, is powered by a direct-current low-voltage power supply and is maintained in a charge state capable of attracting the condensed objects, so that the condensed objects are adsorbed and conveyed to the top of the conveyor belt in the process of rotating along the liquid level at the bottom of the conveyor belt;
a scraper 52 horizontally disposed above the electrostatic adsorption conveyor belt 51, and having a leading end abutting against the electrostatic adsorption conveyor belt 51 to scrape off the aggregates on the electrostatic adsorption conveyor belt 51;
a transfer mechanism 53 connected to the rear side of the scraper 52, receiving the condensate scraped by the scraper 52 and transporting the condensate upward to a discharge port of a cover plate at the top of the vacuum tank;
and the collecting device 54 is arranged above the outside of the pressure reduction tank 5 and is connected with the discharge port, the receiving port of the collecting device 54 is matched and connected with the tail end of the transfer mechanism 53 to receive the condensate conveyed by the transfer mechanism 53, and an absorbing device containing chlorine gas can be pre-stored in the collecting device 54 to prevent the chlorine gas in the pressure reduction tank from separating out and polluting the environment.
Specifically, the discharge port of the decompression tank may be disposed at the rear of the cover plate, and the end of the transfer mechanism 53 extends from the discharge port and is connected to the inside of the receiving port of the collection device 54; and the receiving opening of the collecting device 54 is matched with the discharging opening of the cover plate through a slot and a sealing ring to realize sealing connection. After the condensate is transported out of the discharge port through the transfer mechanism, the condensate can directly fall into the receiving port of the collecting device 54 to avoid contacting with the external environment of the discharge port, so that pollution is avoided.
The application has the advantages that:
the medical wastewater is harmlessly treated by the special medical wastewater pipeline and the closed treatment device, so that leakage risks in the processes of collection, transportation and transportation can be avoided, and environmental pollution or cross infection can be prevented.
Those of ordinary skill in the art will understand that: although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (9)

1. A medical wastewater treatment apparatus, comprising:
the temporary storage tank (2) is connected with the medical wastewater special pipeline and is used for receiving and temporarily storing the medical wastewater;
the first end of the three-way valve (3) is communicated with the gas inlet of the temporary storage tank (2), the second end of the three-way valve is connected with a gas storage tank (31) to convey gas in the temporary storage tank (2), and the third end of the three-way valve is connected with a supercharging device;
the pressurizing device is used for pressurizing the medical wastewater mixed with the gas in the gas storage tank in the temporary storage tank (2) to form gas-dissolved water;
the gas-dissolved water storage tank (42) is connected with the output end of the supercharging device and is used for receiving and storing the supercharged gas-dissolved water;
the top of the pressure reduction pool (5) is closed, the bottom of the pressure reduction pool is provided with a dissolved gas releaser, the dissolved gas releaser is communicated with the output end of the dissolved gas water storage tank (42), and the dissolved gas water is discharged to the pressure reduction pool (5);
and the condensate collecting device is arranged at the top of the decompression tank (5) and is used for adsorbing, conveying and collecting the condensate formed in the decompression tank.
2. The medical waste water treatment apparatus as claimed in claim 1, wherein the top of the temporary storage tank (2) is further provided with a sterilizing device (1) at a position close to the end of the medical waste water exclusive pipe.
3. The medical wastewater treatment apparatus of claim 2, wherein the disinfection apparatus comprises any one or a combination of:
high-pressure steam sterilizer, ultraviolet lamp tube and ozone generator.
4. The medical wastewater treatment device according to claim 1, wherein a first filter layer (21) and a second filter layer (22) are arranged inside the temporary storage tank (2), wherein the first filter layer (21) is horizontally arranged above the second filter layer (22), and the second filter layer (22) is obliquely arranged at the lower part of the temporary storage tank (2) and is positioned above the water level line of the temporary storage tank (2);
the gas inlet is arranged between the first filter layer (21) and the second filter layer (22), close to the top end of the second filter layer (22);
the filter pore size of the first filter layer (21) is larger than that of the second filter layer (22).
5. The medical wastewater treatment device according to claim 4, wherein the temporary storage tank (2) is further provided with a discharge outlet, and the first filter layer (21) and the second filter layer (22) are detachably mounted on the upper and lower sides of the discharge outlet, respectively.
6. The medical wastewater treatment apparatus according to claim 1, wherein the pressure increasing means comprises:
the gas booster pump (4) is arranged between the third end of the three-way valve (3) and the first inlet of the dissolved gas water storage tank (42);
and a liquid booster pump (41) arranged between the lower part of the water level line of the temporary storage tank (2) and the second inlet of the dissolved gas water storage tank (42).
7. The medical wastewater treatment apparatus of claim 1, wherein the condensate collection apparatus comprises:
the electrostatic adsorption conveying belt (51) is horizontally arranged in the decompression tank (5) and is positioned above the liquid level in the decompression tank (5);
a scraper (52) horizontally arranged above the electrostatic adsorption conveyor belt (51) and abutting against the electrostatic adsorption conveyor belt (51) to scrape the condensate on the electrostatic adsorption conveyor belt (51);
a transfer mechanism (53) which is connected to the rear side of the scraper (52) and receives the aggregate scraped by the scraper (52);
and the collecting device (54) is arranged above the outside of the decompression pool (5), and a receiving opening of the collecting device (54) is connected with the tail end of the transfer mechanism (53) and receives the condensate conveyed by the transfer mechanism (53).
8. The medical wastewater treatment apparatus according to claim 7, wherein the top of the pressure reduction tank (5) is provided with a cover plate, the rear part of the cover plate is provided with a discharge port, and the end of the transfer mechanism (53) extends out of the discharge port and is connected to the inside of the receiving port of the collection device (54).
9. The medical wastewater treatment apparatus according to claim 8, wherein the receiving opening of the collecting device (54) is in sealing connection with the discharge opening of the cover plate.
CN202121312872.3U 2021-06-12 2021-06-12 Medical wastewater treatment device Active CN214936653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121312872.3U CN214936653U (en) 2021-06-12 2021-06-12 Medical wastewater treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121312872.3U CN214936653U (en) 2021-06-12 2021-06-12 Medical wastewater treatment device

Publications (1)

Publication Number Publication Date
CN214936653U true CN214936653U (en) 2021-11-30

Family

ID=79050085

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121312872.3U Active CN214936653U (en) 2021-06-12 2021-06-12 Medical wastewater treatment device

Country Status (1)

Country Link
CN (1) CN214936653U (en)

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