CN215489776U - Medical waste and domestic waste burn concurrent processing system - Google Patents
Medical waste and domestic waste burn concurrent processing system Download PDFInfo
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- CN215489776U CN215489776U CN202121532791.4U CN202121532791U CN215489776U CN 215489776 U CN215489776 U CN 215489776U CN 202121532791 U CN202121532791 U CN 202121532791U CN 215489776 U CN215489776 U CN 215489776U
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Abstract
The embodiment of the utility model provides a medical waste and household garbage incineration cooperative processing system, which comprises: the system comprises medical waste disinfection equipment, domestic waste incineration equipment and sewage treatment equipment, wherein the medical waste disinfection equipment is respectively connected with the domestic waste incineration equipment and the sewage treatment equipment; the medical waste disinfection equipment conveys solid slag generated by medical waste disinfection and crushing treatment to the household waste incineration equipment, and conveys generated wastewater to the sewage treatment equipment; the household garbage incineration equipment incinerates the household garbage and the solid slag to obtain electric energy; the sewage treatment equipment treats the wastewater to obtain liquid meeting the treatment standard. The medical waste and the household garbage are incinerated and treated cooperatively, so that the problems of high medical waste treatment cost and high pollution in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a medical waste and household garbage incineration cooperative treatment system.
Background
Medical waste refers to waste products of medical and health institutions with direct or indirect infectious, toxic, and other hazardous properties during medical, preventive, health, and other related activities. Medical waste has the characteristics of high corrosivity, flammability, infectivity, high toxicity and the like, and can cause great damage to the natural environment and human bodies, so that attention needs to be paid to the treatment of the medical waste.
The centralized disposal of medical waste is mainly by incineration and high-temperature steam sterilization. The incineration method is a treatment method for safely incinerating medical waste in a rotary furnace or a hot furnace, and has the characteristics of all-kind treatment and high volume reduction rate. The high-temperature steam disinfection method is a method for utilizing latent heat released by water vapor to denature and solidify pathogenic microorganisms, kill or eliminate the pathogenic microorganisms in medical waste and eliminate potential infectious hazards.
The medical waste separate incineration facility has the defects of large investment, small medical project scale, relatively unstable raw materials, larger fluctuation of tail gas treatment, pollution in the intermittent process of frequent furnace start and furnace shutdown, extremely high cost of auxiliary fuel required by combustion maintenance and difficult standard discharge realization. A single high-temperature steam sterilization facility needs a large amount of steam and electric power, and sewage and residues after sterilization also need to be treated, so that the pollution problem also exists.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a medical waste and household garbage incineration cooperative processing system, which has solved the problems of high cost and high pollution of the existing medical waste processing system.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a medical waste and household garbage incineration cooperative processing system comprises:
the system comprises medical waste disinfection equipment, domestic waste incineration equipment and sewage treatment equipment, wherein the medical waste disinfection equipment is respectively connected with the domestic waste incineration equipment and the sewage treatment equipment;
the medical waste disinfection equipment conveys solid slag generated by medical waste disinfection and crushing treatment to the household waste incineration equipment, and conveys generated wastewater to the sewage treatment equipment; the household garbage incineration equipment incinerates the household garbage and the solid slag to obtain electric energy; the sewage treatment equipment treats the wastewater to obtain liquid meeting the treatment standard.
Optionally, the medical waste sterilization apparatus comprises:
the system comprises a refrigeration system, a high-temperature steam disinfection and sterilization system, a crushing system, an automatic track turnover system of a sterilization vehicle, an automatic turnover box carrying and cleaning system, a waste gas treatment system and a waste water pretreatment system; wherein, high temperature steam disinfection and sterilization system with broken system connects gradually, waste water pretreatment system with sewage treatment device connects.
Optionally, the high temperature steam sterilization system comprises:
high-temperature steam disinfection and sterilization cabinet, sterilization car, catch water, vacuum pump, steam control system and automatic control system.
Optionally, the sterilizing vehicle brake track turnaround system comprises:
roller conveyor, carousel and material automatic lifting mechanism.
Optionally, the automatic transfer box conveying and cleaning system includes:
the automatic turnover box unloading device, the automatic turnover box conveying system, the automatic turnover box cleaning system and the chlorine dioxide generator.
Optionally, the exhaust treatment system comprises:
waste gas collecting system, draught fan, biological filtration membrane device and active carbon adsorption equipment.
Optionally, the wastewater pretreatment system comprises:
the device comprises a regulating tank and an ozone catalytic tower, wherein the outlet of the ozone catalytic tower is connected with the sewage treatment equipment.
Optionally, the household garbage incineration device transmits the generated steam and electric energy to the medical waste sterilization device, so that the medical waste sterilization device performs steam sterilization of the medical waste using the steam, and supplies power to the medical waste sterilization device using the electric energy.
Optionally, the sterilization vehicle is made of 316 stainless steel, and the interior of the sterilization vehicle is coated with a high-temperature-resistant tetrafluoro plate.
Optionally, the crushing system comprises a twin shaft crusher and a screw conveyor.
It can be seen from the above technical solutions that, an embodiment of the present invention provides a medical waste and domestic waste incineration cooperative processing system, including: the system comprises medical waste disinfection equipment, domestic waste incineration equipment and sewage treatment equipment, wherein the medical waste disinfection equipment is respectively connected with the domestic waste incineration equipment and the sewage treatment equipment; the medical waste disinfection equipment conveys solid slag generated by medical waste disinfection and crushing treatment to the household waste incineration equipment, and conveys generated wastewater to the sewage treatment equipment; the household garbage incineration equipment incinerates the household garbage and the solid slag to obtain electric energy; the sewage treatment equipment treats the wastewater to obtain liquid meeting the treatment standard. The medical waste and the household garbage are incinerated and treated cooperatively, so that the problems of high medical waste treatment cost and high pollution in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a medical waste and household garbage incineration cooperative processing system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the utility model provides a medical waste and household garbage incineration cooperative processing system, and referring to fig. 1, the system comprises:
a medical waste sterilizing apparatus 11, a domestic waste incineration apparatus 12 and a sewage treatment apparatus 13, wherein the medical waste sterilizing apparatus 11 is connected with the domestic waste incineration apparatus 12 and the sewage treatment apparatus 13, respectively.
The medical waste disinfection equipment 11 conveys solid slag generated by the medical waste disinfection and crushing treatment to the household garbage incineration equipment 12, and conveys generated wastewater to the sewage treatment equipment 13; the household garbage incineration equipment 12 incinerates the household garbage and the solid slag to obtain electric energy; the sewage treatment device 13 treats the wastewater to obtain a liquid meeting the treatment standard.
Wherein, the medical waste disinfection equipment refers to medical waste high-temperature steam disinfection equipment.
Further, the medical waste sterilizing apparatus includes:
the system comprises a refrigeration system, a high-temperature steam disinfection and sterilization system, a crushing system, an automatic track turnover system of a sterilization vehicle, an automatic turnover box carrying and cleaning system, a waste gas treatment system and a waste water pretreatment system; wherein, high temperature steam disinfection and sterilization system with broken system connects gradually, waste water pretreatment system with sewage treatment device connects.
Wherein the high-temperature steam sterilization system comprises: high-temperature steam disinfection and sterilization cabinet, sterilization car, catch water, vacuum pump, steam control system and automatic control system. Specifically, the working temperature of the high-temperature steam disinfection and sterilization cabinet is more than or equal to 134 ℃, the sterilization time is more than or equal to 45min, the microorganism inactivation rate is more than or equal to 99.99%, the working pressure of the disinfection treatment is more than or equal to 220kPa (gauge pressure), dynamic vacuum is adopted, and the vacuum degree is more than or equal to 0.08 Mpa. The steam-water separator is used for vacuumizing the room, condensing steam and performing steam-water separation treatment; the sterilization vehicle is made of 316 stainless steel, the interior of the sterilization vehicle is coated with a high-temperature tetrafluoro plate, so that the medical sterilization waste can be effectively prevented from being adhered, and the bottom of the sterilization vehicle is provided with a water outlet; the steam regulating system consists of a steam cylinder, a steam stop valve, a steam pressure regulating valve and a pipeline pipe fitting; the automatic control system adopts a PLC control technology to complete the automatic control of the whole treatment process, including vacuum preheating control, temperature rise and pressurization, automatic start and stop, drying, waste liquid and waste gas treatment control and the like.
Further, the crushing system comprises a material double-shaft crusher and a screw conveyer; the double-shaft crusher crushes medical waste to be less than 50 mm; the screw conveyer sends the crushed medical waste into a garbage pit or a discharge vehicle.
Further, the sterilization vehicle braking track turnover system includes: roller conveyor, carousel and material automatic lifting mechanism. Wherein, the carousel can make sterilization car horizontal rotation 90 degrees, material automatic lifting mechanism is suitable for promoting the sterilization car after the high temperature steam disinfection to the biax breaker.
Further, the exhaust treatment system includes: waste gas collecting system, draught fan, biological filtration membrane device and active carbon adsorption equipment.
Further, the wastewater pretreatment system includes: the device comprises a regulating tank and an ozone catalytic tower, wherein the outlet of the ozone catalytic tower is connected with the sewage treatment equipment.
In one implementation of the embodiment of the utility model, the household garbage incineration device transmits the generated steam and electric energy to the medical waste disinfection device, so that the medical waste disinfection device performs steam disinfection on the medical waste by using the steam and supplies power to the medical waste disinfection device by using the electric energy.
In the medical waste and household garbage incineration cooperative processing system provided by the utility model, medical waste is subjected to high-temperature steam sterilization in medical waste sterilization equipment, and then the medical waste and household garbage subjected to high-temperature steam sterilization are subjected to incineration cooperative processing.
The medical waste is stored in the medical waste turnover box, the medical waste turnover box enters the material loading and unloading unit through the automatic conveying system, the medical waste is loaded into the sterilizing vehicle, and the emptied turnover box is conveyed into the automatic cleaning system to be cleaned, sterilized, dried and collected, so that the medical waste turnover box is convenient to use next time.
The automatic conveying system of the sterilization vehicle conveys the sterilization vehicle filled with medical waste into the high-temperature steam sterilization cabinet, the high-temperature steam sterilization cabinet automatically closes and locks the cabin door, and the automatic control system automatically controls the whole high-temperature steam sterilization process.
And then entering a pre-vacuum stage, pumping the pressure in the high-temperature steam sterilization cabinet to-0.09 MPa through a vacuum pump, pumping out air, mixing with high-temperature steam for sterilization, and then discharging into a condenser for rapid condensation to form condensed water and waste gas.
And in the steam treatment stage, high-temperature steam generated by burning the household garbage is introduced into a high-temperature steam sterilization cabinet, the temperature in the cabinet is increased to 134 ℃, the pressure is increased to 0.22MPa, and the medical waste in the cabinet is subjected to high-temperature steam sterilization treatment and reaches the sterilization index specified by the national standard after 45 minutes.
After the high-temperature steam treatment process is finished, the pot is subjected to post-vacuum treatment, water vapor in the pot is pumped out, the medical waste is dried, the temperature of the medical waste is reduced, and the peculiar smell of the medical waste is reduced.
In the crushing treatment stage, after the internal pressure and the external pressure of the sterilization cabinet are consistent, the cabin door is automatically opened, and the sterilized medical waste is sent into a crusher system through an automatic conveying system of a sterilization vehicle to be crushed and destroyed to be less than 50mm, so that the aim of incapability of recycling is achieved, and the garbage is called that the common urban garbage is sent to a household garbage incineration plant to be incinerated.
In the waste gas treatment process, after odor is collected by adopting a mode of local suction and integral ventilation, an activated carbon filtering device and a biological filtering membrane are adopted for treatment, and the odor is delivered to a garbage pit after reaching the standard and finally enters an incinerator for incineration.
And in the wastewater pretreatment stage, wastewater is regulated and stored in a regulating tank and then is sent to an ozone oxidation tower, antibiotics in the wastewater are removed, and the wastewater after the antibiotics are removed is sent to a sewage treatment unit.
The cooperative treatment of the medical waste sterilized by the high-temperature steam and the household garbage incineration facility specifically comprises the following steps:
the medical waste sterilized by high-temperature steam enters a household garbage incineration treatment system for incineration treatment, and the wastewater enters sewage treatment equipment for treatment after pretreatment; and sending the steam and the electric power generated by the household garbage incineration unit to medical waste disinfection equipment for use.
The embodiment of the utility model provides a medical waste and household garbage incineration cooperative treatment system, which can solve the 'adjacency effect' of a single medical waste treatment project. The medical waste is sterilized by high-temperature steam, and then is treated cooperatively with a general municipal refuse and household refuse incineration plant after sterilization, so that the reduction, recycling and harmlessness of the medical waste are better realized, and the applicability is strong. And the medical waste high-temperature steam disinfection system shares the sewage treatment unit, the steam system and the electric power system of the household garbage incineration equipment, shares the infrastructure of the project, saves the project investment, reduces the operation cost and improves the economic benefit of the project. Compared with an independent incineration technology, the method has the advantages of intermittent operation, low operation cost, strong adaptability, less secondary pollution, no generation of pollutants such as dioxin, easy operation and management, stable operation effect and the like. Meanwhile, automatic control in the medical waste treatment process is realized, human factors are avoided, the medical waste infection risk in the treatment process is greatly reduced, and the safety of staff is effectively protected.
For example, the medical waste and domestic waste incineration co-processing system of the utility model will be described by taking an example of a 10t/d medical waste and 1000t/d domestic waste incineration co-processing disposal project in a certain city.
The system comprises:
the system comprises medical waste disinfection equipment, domestic waste incineration equipment and sewage treatment equipment, wherein the medical waste disinfection equipment is respectively connected with the domestic waste incineration equipment and the sewage treatment equipment;
the medical waste disinfection equipment conveys solid slag generated by medical waste disinfection and crushing treatment to the household waste incineration equipment, and conveys generated wastewater to the sewage treatment equipment; the household garbage incineration equipment incinerates the household garbage and the solid slag to obtain electric energy; the sewage treatment equipment treats the wastewater to obtain liquid meeting the treatment standard.
In this embodiment, the medical waste disinfection equipment is arranged below the discharging platform of the household garbage incineration equipment. The household garbage incineration equipment provides 0.5MPa saturated steam and a 380VAC power supply for the medical waste disinfection equipment; the medical waste is sterilized by high-temperature steam, then is crushed and destroyed, is conveyed to a garbage pit corresponding to the household garbage incineration equipment for storage and then is incinerated, and the treated odor is collected by a pipeline and then is conveyed to the garbage pit for incineration; the wastewater is sent to a sewage treatment device for treatment after being pretreated.
Specifically, the medical waste disinfection apparatus is a medical waste high-temperature steam disinfection apparatus, which includes: refrigerating system, high temperature steam disinfection and sterilization system, broken system, the automatic track turnover system of sterilization car, turnover case automatic handling and cleaning and disinfecting system, exhaust-gas treatment system, waste water pretreatment system, high temperature steam disinfection and sterilization system, broken system connect gradually, waste water pretreatment system is connected with sewage treatment device.
In this embodiment, the refrigeration system includes a refrigerator and a compression condensing unit. The volume of the cold storage is 480m3The refrigeration temperature is less than or equal to 5 ℃.
In this embodiment, the high-temperature steam sterilization system includes a high-temperature steam sterilization cabinet, a sterilization vehicle, a steam-water separator, a vacuum pump, a steam regulation system, and an automatic control system; the high-temperature steam disinfection and sterilization cabinet has the working temperature of more than or equal to 134 ℃, the sterilization time of more than or equal to 45min, the microorganism inactivation rate of more than or equal to 99.99 percent, the disinfection treatment working pressure of more than or equal to 220kPa (gauge pressure), the dynamic vacuum and the vacuum degree of more than or equal to 0.08 Mpa. The steam-water separator is used for vacuumizing the inner chamber, condensing steam and performing steam-water separation treatment; the sterilization vehicle is made of 316 stainless steel, the interior of the sterilization vehicle is coated with a high-temperature-resistant tetrafluoro plate, the sterilization medical waste can be effectively prevented from being adhered, and the bottom of the sterilization vehicle is provided with a water outlet; the steam regulating system consists of a steam cylinder, a steam stop valve, a steam pressure regulating valve and a pipeline pipe fitting; the automatic control system adopts a PLC control technology to complete the automatic control of the whole treatment process, including vacuum preheating control, temperature rise and pressurization, automatic start and stop, drying, waste liquid and waste gas treatment control and the like.
In this embodiment, the crushing system comprises a twin-shaft crusher, a screw conveyor; the double-shaft crusher crushes medical waste to be less than 50 mm; the screw conveyer sends the crushed medical waste into a garbage pit or a discharge vehicle.
In this embodiment, the automatic track turnover system of sterilization car includes roller conveyor, carousel, material automatic lifting mechanism. The rotary disc can enable the sterilization vehicle to horizontally rotate by 90 degrees; the automatic material lifting mechanism is suitable for lifting the sterilized vehicle sterilized by high-temperature steam to the double-shaft crusher;
in this embodiment, the automatic transfer box conveying, cleaning and disinfecting system mainly includes an automatic transfer box loading and unloading unit, an automatic transfer box conveying system, an automatic transfer box cleaning system and a chlorine dioxide generator.
In this embodiment, the exhaust treatment system includes waste gas collecting system, draught fan, biological filtration membrane device, active carbon adsorption equipment. And waste gas generated by the high-temperature steam sterilization cabinet is treated by adopting a biofiltration treatment process, enters a workshop waste gas collection treatment system after being treated and is treated by using an activated carbon adsorption device. The removal rate of pollutants such as microorganisms, Volatile Organic Compounds (VOCs) and the like is more than 99.99%, the filter device is a hydrophobic mesoporous material which can meet the temperature resistance requirement, the filter aperture is not more than 0.2 mu m, and the filter efficiency of the device is more than 99.999%; the waste gas treatment meets the integrated emission standard of air pollutants (GB16297-1996) and the emission standard of malodorous pollutants (GB 14554-1993).
In this embodiment, the wastewater pretreatment system comprises a regulating reservoir and an ozone catalytic tower. The outlet of the ozone catalytic tower is connected with sewage treatment equipment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A medical waste and domestic waste incineration cooperative processing system is characterized by comprising:
the system comprises medical waste disinfection equipment, domestic waste incineration equipment and sewage treatment equipment, wherein the medical waste disinfection equipment is respectively connected with the domestic waste incineration equipment and the sewage treatment equipment;
the medical waste disinfection equipment conveys solid slag generated by medical waste disinfection and crushing treatment to the household waste incineration equipment, and conveys generated wastewater to the sewage treatment equipment; the household garbage incineration equipment incinerates the household garbage and the solid slag to obtain electric energy; the sewage treatment equipment is used for treating the wastewater to obtain liquid meeting the treatment standard;
the medical waste sterilization apparatus includes:
the system comprises a refrigeration system, a high-temperature steam disinfection and sterilization system, a crushing system, an automatic track turnover system of a sterilization vehicle, an automatic turnover box carrying and cleaning system, a waste gas treatment system and a waste water pretreatment system; the high-temperature steam sterilization system is sequentially connected with the crushing system, and the wastewater pretreatment system is connected with the sewage treatment equipment;
the high-temperature steam sterilization system comprises:
the high-temperature steam sterilization cabinet, the sterilization vehicle, the steam-water separator, the vacuum pump, the steam regulating system and the automatic control system, wherein the steam regulating system consists of a steam cylinder, a steam stop valve, a steam pressure regulating valve and a pipeline pipe fitting.
2. The system of claim 1, wherein the sterilizing vehicle brake track turnaround system comprises:
roller conveyor, carousel and material automatic lifting mechanism.
3. The system of claim 1, wherein the automated tote handling and cleaning system comprises:
the automatic turnover box unloading device, the automatic turnover box conveying system, the automatic turnover box cleaning system and the chlorine dioxide generator.
4. The system of claim 1, wherein the exhaust treatment system comprises:
waste gas collecting system, draught fan, biological filtration membrane device and active carbon adsorption equipment.
5. The system of claim 1, wherein the wastewater pretreatment system comprises:
the device comprises a regulating tank and an ozone catalytic tower, wherein the outlet of the ozone catalytic tower is connected with the sewage treatment equipment.
6. The system of claim 1, wherein the garbage incineration device transmits the generated steam and electric power to the medical waste sterilization device, so that the medical waste sterilization device performs steam sterilization of the medical waste using the steam and supplies power to the medical waste sterilization device using the electric power.
7. The system of claim 1, wherein the sterilization cart is made of 316 stainless steel and coated with high temperature resistant tetrafluoro plates.
8. The system of claim 1, wherein the crushing system comprises a twin shaft crusher and a screw conveyor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121532791.4U CN215489776U (en) | 2021-07-06 | 2021-07-06 | Medical waste and domestic waste burn concurrent processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121532791.4U CN215489776U (en) | 2021-07-06 | 2021-07-06 | Medical waste and domestic waste burn concurrent processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259558A (en) * | 2022-07-29 | 2022-11-01 | 中国人民解放军陆军工程大学 | Underground cooperative collection and treatment system for medical wastewater and garbage |
| CN116066833A (en) * | 2022-12-23 | 2023-05-05 | 重庆市涪陵区三峰环保发电有限公司 | Medical waste incineration method and feeding conveying system |
-
2021
- 2021-07-06 CN CN202121532791.4U patent/CN215489776U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259558A (en) * | 2022-07-29 | 2022-11-01 | 中国人民解放军陆军工程大学 | Underground cooperative collection and treatment system for medical wastewater and garbage |
| CN115259558B (en) * | 2022-07-29 | 2023-08-11 | 中国人民解放军陆军工程大学 | Medical wastewater and garbage underground cooperative collection treatment system |
| CN116066833A (en) * | 2022-12-23 | 2023-05-05 | 重庆市涪陵区三峰环保发电有限公司 | Medical waste incineration method and feeding conveying system |
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