CN215809034U - Safe energy-saving ventilation environmental system for negative pressure safety house - Google Patents

Safe energy-saving ventilation environmental system for negative pressure safety house Download PDF

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CN215809034U
CN215809034U CN202121460618.8U CN202121460618U CN215809034U CN 215809034 U CN215809034 U CN 215809034U CN 202121460618 U CN202121460618 U CN 202121460618U CN 215809034 U CN215809034 U CN 215809034U
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negative pressure
air
safety
room
sterilization
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丁学华
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Nanjing Benting Intelligent Technology Co ltd
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Nanjing Benting Intelligent Technology Co ltd
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract

The utility model discloses a safe, energy-saving and ventilation environment system for a negative pressure safety room, which comprises a negative pressure room and a centralized control system, wherein the negative pressure room comprises a negative pressure safety ward and/or a negative pressure safety laboratory, an air supply outlet is arranged above the negative pressure room, a sterilization UV discharge outlet is arranged below the negative pressure room, and the system also comprises a negative pressure room information centralized control system, a negative pressure room air ventilation and sterilization system, a toxic air closed treatment system, a heat recovery and utilization system and a waste heat recovery system. When in incineration and discharge, through preheating and heat recovery, the energy can be greatly saved, the safe discharge of biomedicine is also ensured, and a better matching solution is provided for a matching system of a negative pressure ward, a shelter hospital and a safety laboratory P3\ P4.

Description

Safe energy-saving ventilation environmental system for negative pressure safety house
Technical Field
The utility model relates to the technical field of biomedical negative pressure safety room environment, in particular to a negative pressure safety room safe energy-saving ventilation environment system.
Background
At present, factors such as serious virus and germ leakage harm, influence on surrounding environment, transmission harm to life and the like are considered in many biomedical negative pressure safety houses, the negative pressure safety houses are mostly built in remote wasteland, firstly, harmful exhaust gas cannot be effectively sterilized and treated, and firstly, a large amount of energy is consumed in the sterilizing process, so that a sufficient buffer zone is left after construction in the suburbs; for example, a biosafety P3\ P4 laboratory is basically built in the countryside to isolate people.
However, nowadays, due to rapid economic development, many places, particularly economically developed places, are densely populated, medical research institutions are tied up, and active people are disordered, such as developed areas in the east, so that the so-called suburbs do not exist.
Therefore, the biomedical negative pressure safety room needs to be popularized and operated at low cost by taking into account ventilation and exhaust safety (including ventilation, sterilization, disinfection, safe and effective distance maintenance of a fresh air inlet and an air outlet and the like) and economic and energy conservation, and a design concept of a novel negative pressure safety room safe and energy-saving ventilation environment system is developed. When the toxic air is incinerated and discharged at high temperature for sterilization, the discharged high-temperature waste gas preheats the toxic air, a large amount of energy can be saved in the preheating process, and the waste heat after heat exchange is recycled for the second time, so that the biomedical safety discharge of the toxic air is ensured, and the energy is saved.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model aims to provide a novel negative pressure safety room safe energy-saving ventilation environmental system different from the prior art.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme provided by the utility model is as follows: the utility model provides an energy-conserving ventilation environmental system of negative pressure safety room safety, includes negative pressure room and centralized control system, the negative pressure room includes negative pressure safety ward and/or negative pressure safety laboratory, negative pressure room top is equipped with the supply-air outlet, and the below is equipped with the sterilization UV discharge port, still includes:
the negative pressure room information centralized control system comprises an electric regulating valve for regulating air supply and exhaust flow so as to maintain negative pressure in a room;
the negative pressure room air exhaust and sterilization system is connected with the sterilization UV discharge port and sucks the toxic air into the toxic air closed treatment system through the sterilization UV discharge port;
the poisonous air closed processing system is provided with a full hot air-liquid exchange case, and the poisonous air is discharged after being processed and then being subjected to heat exchange and temperature reduction through the full hot air-liquid exchange case;
the heat recycling system is connected with the toxic air closed treatment system and is used for exchanging heat between high-temperature medium liquid after the heat exchange of the full-hot gas-liquid exchanger case and a full-fresh air medical air conditioning unit;
the waste heat recovery system is used for heating waste heat of brand new air sucked by the brand new air medical air conditioning unit and sending the heated brand new air into the negative pressure room.
As a further improvement of the utility model, the centralized control system comprises a controller, a plurality of sensors and actuators, wherein the plurality of sensors sense the change of parameters in different systems and feed the change back to the controller, and the controller drives the actuators of different systems to work.
As a further improvement of the utility model, the negative pressure room information centralized control system comprises a difference Δ p in the negative pressure room, an electric control valve and a centralized controller, wherein the centralized controller controls the opening and closing of the electric control valve.
As a further improvement of the utility model, the negative pressure room air exhaust and sterilization system comprises a sterilization UV discharge port which is communicated with a toxic air closed treatment system through a closed safe ventilation pipeline.
As a further improvement of the utility model, the toxic air closed treatment system comprises a preheating biological safety box, a biological safety incinerator and an all-hot gas-liquid exchange case, wherein one end of the preheating biological safety box is communicated with the closed safety ventilation pipeline, the other end of the preheating biological safety box is connected with the biological safety incinerator to form a circulation passage, and the preheating biological safety box is also communicated with the all-hot gas-liquid exchange case.
As a further improvement of the utility model, the heat recycling system comprises a full fresh air medical air conditioning unit which is communicated with a full hot air-liquid exchange case through a circulating liquid medium pipeline.
As a further improvement of the utility model, the waste heat recovery system comprises a full fresh air medical air conditioning unit which is connected with an air supply outlet through a purification heat preservation air supply pipeline.
As a further improvement of the utility model, the preheating biological safety box is communicated with the biological safety incinerator and the full-hot gas-liquid exchange case through a high-temperature resistant exhaust pipeline.
As a further improvement of the utility model, an intelligent fluid hydraulic module is arranged on the circulating liquid medium pipeline.
Has the advantages that: compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
in the working process of the toxic air closed treatment system, when the toxic air closed treatment system is incinerated and discharged, energy sources can be greatly saved through preheating and heat recovery, the safe discharge of biomedicine is also ensured, and a better matching solution is provided for a matching system of a negative pressure ward, a shelter hospital and a safety laboratory P3\ P4.
Drawings
FIG. 1 is a schematic structural diagram of a negative pressure safety room safety energy-saving ventilation environmental system of the present invention;
FIG. 2 is a schematic view of a negative pressure chamber;
FIG. 3 is a schematic view of a toxic air containment system.
The reference numerals in the schematic drawings illustrate:
1. a full fresh air medical air conditioning unit; 2. a negative pressure safety ward; 3. a negative pressure safety laboratory; 4. a biological safety air conditioner; 5. preheating a biological safety box; 7. an air supply outlet; 8. a biologically safe incinerator; 9. an intelligent fluid hydraulic module; 10. an all hot gas-liquid exchanger case; 11. a hospital bed; 12. a biological safety fume hood; 13. sterilizing the UV air outlet; 14. a circulating liquid medium conduit; 15. a centralized control system; 16. a terminal acquisition sensor; 17. a closed safe ventilation pipeline; 18. a high temperature resistant exhaust duct; 19. purifying and insulating an air supply pipeline; 20. an electric control valve; 21. a fresh air suction port; 22. a purified air outlet; 23. Δ Ρ air differential pressure sensor; 24. a temperature sensor; 25. temperature and humidity sensor.
Detailed Description
For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1-3, a negative pressure safety room safe energy-saving ventilation environmental system comprises a negative pressure room and a centralized control system, wherein the negative pressure room comprises a negative pressure safety ward 2 and/or a negative pressure safety laboratory 3, an air supply outlet 7 is arranged above the negative pressure room, a sterilization UV discharge outlet 13 is arranged below the negative pressure room, and the negative pressure room further comprises a negative pressure room information centralized control system, a negative pressure room air exhaust and sterilization system, a toxic air closed treatment system, a heat recovery utilization system and a waste heat recovery system. The negative pressure room information centralized control system comprises an electric regulating valve 20 for regulating air supply and exhaust flow so as to maintain negative pressure in a room; the negative pressure room air exhaust and sterilization system is connected with the sterilization UV discharge port 13, and toxic air is sucked into the toxic air closed treatment system through the sterilization UV discharge port 13; the poisonous air closed processing system is provided with a full hot gas-liquid exchanger case 10, and after being processed, the poisonous air is discharged after being subjected to heat exchange and temperature reduction through the full hot gas-liquid exchanger case 10; the heat recycling system is connected with the toxic air closed treatment system and is used for carrying out heat exchange on high-temperature medium liquid subjected to heat exchange of the full-hot-gas-liquid exchange case 10 and the full-fresh air medical air conditioning unit 1; the waste heat recovery system is used for heating waste heat of brand new air sucked by the brand new air medical air conditioning unit 1 and sending the heated brand new air into the negative pressure room.
The negative pressure ward is characterized in that the air pressure in the room is lower than the external air pressure so as to ensure that external fresh air can flow into the ward, polluted air in the ward cannot leak, and the negative pressure room information centralized control system adjusts the air supply and exhaust amount through the electric adjusting valve 20 so as to keep the negative pressure environment in the room; toxic gas in the room can be sucked into a toxic air closed treatment system for treatment through a negative pressure room air exhaust and disinfection system from a disinfection UV discharge port 13, and can be safely discharged into the atmosphere after reaching the standard without affecting the environment; the heat recycling system pumps medium liquid after heat exchange of the full hot gas-liquid heat exchange box 10 into the winter full fresh air medical air conditioning unit 1 for heat supply, and then liquid medium flows back to the full hot gas-liquid heat exchange box 10 to sequentially reciprocate, so that heat recycling is realized; and finally, after the medical air conditioning unit 1 with full fresh air sucks outdoor full fresh air, the air is heated by waste heat and then is sent into a negative pressure room, and the whole air exhaust environment system is adjusted.
The system also comprises a centralized control system, wherein the centralized control system comprises a controller, a plurality of sensors and actuators, the sensors sense the change of different system parameters and feed back the change to the controller, and the controller drives the actuators of different systems to work. The sensors are respectively arranged in different systems and comprise a temperature sensor 24, a temperature and humidity sensor 25, an Δ Ρ air pressure difference sensor 23 and a terminal acquisition sensor 16, when parameters fed back by the sensors in the systems need to be adjusted, a controller drives actuators of different systems to perform corresponding actions, such as flow adjustment and the like, the centralized control system is widely applied in the field, technicians in the field flexibly select different sensors and actuators according to needs, the following different systems select different sensors according to actual needs, the actuators are mutually matched, environmental system equipment is coordinated to work, and early warning, fault warning, storage, record analysis, internet of things controlled interconnection and the like are achieved. However, the components such as the sensors used in the centralized control system are not limited to those mentioned in the present invention.
In a preferred embodiment, the negative pressure room information centralized control system comprises a delta p air pressure difference sensor 23 arranged in the negative pressure room, the electric control valve 20 and a centralized controller, wherein the centralized controller controls the opening and closing of the electric control valve 20. According to the feedback of the delta p air pressure difference sensor 23 in the negative pressure room, the electric adjusting valve 20 is controlled by the centralized controller to adjust the air supply and exhaust flow rate and ensure the negative pressure in the ward. The negative pressure safety ward 2 does not require cleanliness and has problems of the number of patients and instruments, and the like, an independent biological safety air conditioner 4 needs to be configured, the negative pressure laboratory 3 has high requirements on cleanliness, and air can be sent to an air supply outlet after secondary efficient purification.
In a preferred embodiment, the negative pressure room air exhaust sterilization system comprises a sterilization UV discharge port 13, and the sterilization UV discharge port 13 is communicated with the toxic air closed treatment system through a closed safe ventilation pipeline 17. In the operation process, the sick bed 11 in the negative pressure safety ward 2 and the biological safety fume hood 12 in the biological safety laboratory 3 generate air with toxicity in the biological experiment, are drawn by the power negative pressure of the fan, pass through the sterilization UV discharge port 13, are killed by primary bacteria and viruses, are sucked into the closed safety ventilation pipeline 17, and enter the closed toxic air treatment system to treat the air with toxicity.
In a preferred embodiment, the toxic air closed treatment system comprises a preheating biological safety box 5, a biological safety burner 8 and a full hot gas-liquid exchange cabinet 10, wherein one end of the preheating biological safety box 5 is communicated with a closed safety ventilation pipeline 17, one end of the preheating biological safety box is connected with the biological safety burner 8 to form a circulation passage, and the preheating biological safety box 5 is also communicated with the full hot gas-liquid exchange cabinet 10. The preheating biological safety box 5 is communicated with the biological safety incinerator 8 and the total hot gas-liquid exchanger case 10 through a high temperature resistant exhaust duct 18.
The air with toxicity entering the closed safe ventilation pipeline 17 firstly enters the preheating biological safe box 5 for preheating, enters the biological safe incinerator 8 for heating and incineration after preheating, the incineration temperature is 200-. In addition, the secondary high temperature air after heat exchange flows into the full hot gas-liquid exchange case 10, and is discharged into the atmosphere after heat exchange and temperature reduction.
In a preferred embodiment, the heat recycling system comprises a fresh air medical air conditioning unit 1, and the fresh air medical air conditioning unit 1 is communicated with a total hot gas-liquid exchange cabinet 10 through a circulating liquid medium pipeline 14. An intelligent fluid hydraulic module 9 is arranged on the circulating liquid medium pipeline 10. The medium liquid after heat exchange in the total hot gas-liquid heat exchange box 10 is pumped into the winter full fresh air medical air conditioning unit 1 through the circulating liquid medium pipeline 14 to supply heat, the centralized control system can adjust the heat exchange quantity according to the outdoor temperature and humidity sensor 25 and the air supply temperature and humidity sensor, and can also be used as a domestic hot water heat exchange station, and the liquid medium after heat exchange flows back to the total hot gas-liquid heat exchange box 10 to sequentially reciprocate.
When the air with toxicity in a general negative pressure sick house is discharged, the air is heated and incinerated at high temperature, generally 200-.
In a preferred embodiment, the waste heat recovery system comprises a fresh air medical air conditioning unit 1, and the fresh air medical air conditioning unit 1 is connected with an air supply outlet through a purifying and heat-preserving air supply pipeline 19. The medical air conditioning unit 1 with full fresh air sucks outdoor fresh air from a fresh air suction port 21, the fresh air is heated by waste heat and then undergoes sterilization, purification and pretreatment, a fan blows in a purification, heat preservation and air supply pipeline 19 from a purified air outlet 22 and then is supplied to a negative pressure room, and the pretreated air is respectively supplied to a negative pressure safety ward 2 or a negative pressure safety laboratory 3 through a top air supply port 7.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims (9)

1. The utility model provides an energy-conserving ventilation environmental system of negative pressure safety room safety, includes negative pressure room and centralized control system, the negative pressure room includes negative pressure safety ward and/or negative pressure safety laboratory, negative pressure room top is equipped with the supply-air outlet, and the below is equipped with sterilization UV discharge port, and its characterized in that still includes:
the negative pressure room information centralized control system comprises an electric regulating valve for regulating air supply and exhaust flow so as to maintain negative pressure in a room;
the negative pressure room air exhaust and sterilization system is connected with the sterilization UV discharge port and sucks the toxic air into the toxic air closed treatment system through the sterilization UV discharge port;
the poisonous air closed processing system is provided with a full hot air-liquid exchange case, and the poisonous air is discharged after being processed and then being subjected to heat exchange and temperature reduction through the full hot air-liquid exchange case;
the heat recycling system is connected with the toxic air closed treatment system and is used for exchanging heat between high-temperature medium liquid after the heat exchange of the full-hot gas-liquid exchanger case and a full-fresh air medical air conditioning unit;
the waste heat recovery system is used for heating waste heat of brand new air sucked by the brand new air medical air conditioning unit and sending the heated brand new air into the negative pressure room.
2. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 1, characterized in that: the centralized control system comprises a controller, a plurality of sensors and actuators, wherein the sensors sense the change of parameters in different systems and feed back the change to the controller, and the controller drives the actuators of the different systems to work.
3. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 1, characterized in that: the negative pressure room information centralized control system comprises a delta P air pressure difference sensor, an electric adjusting valve and a centralized controller, wherein the delta P air pressure difference sensor, the electric adjusting valve and the centralized controller are arranged in a negative pressure room, and the centralized controller controls the opening and closing of the electric adjusting valve.
4. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 1, characterized in that: the negative pressure room air exhaust and sterilization system comprises a sterilization UV discharge port, and the sterilization UV discharge port is communicated with a toxic air closed treatment system through a closed safe ventilation pipeline.
5. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 1, characterized in that: the toxic air closed treatment system comprises a preheating biological safety box, a biological safety incinerator and an all-hot-liquid exchange case, wherein one end of the preheating biological safety box is communicated with a closed safety ventilation pipeline, one end of the preheating biological safety box is connected with the biological safety incinerator to form a circulation passage, and the preheating biological safety box is also communicated with the all-hot-liquid exchange case.
6. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 1, characterized in that: the heat recycling system comprises a full fresh air medical air conditioning unit which is communicated with a full hot air-liquid exchange case through a circulating liquid medium pipeline.
7. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 1, characterized in that: the waste heat recovery system comprises a full fresh air medical air conditioning unit, and the full fresh air medical air conditioning unit is connected with an air supply outlet through a purification heat preservation air supply pipeline.
8. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 5, characterized in that: the preheating biological safety box is communicated with the biological safety incinerator and the full hot gas-liquid exchange case through a high-temperature resistant exhaust pipeline.
9. The negative pressure safety room safety energy-saving ventilation environmental system as claimed in claim 6, characterized in that: and an intelligent fluid hydraulic module is arranged on the circulating liquid medium pipeline.
CN202121460618.8U 2021-06-29 2021-06-29 Safe energy-saving ventilation environmental system for negative pressure safety house Active CN215809034U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121460618.8U CN215809034U (en) 2021-06-29 2021-06-29 Safe energy-saving ventilation environmental system for negative pressure safety house

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121460618.8U CN215809034U (en) 2021-06-29 2021-06-29 Safe energy-saving ventilation environmental system for negative pressure safety house

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CN215809034U true CN215809034U (en) 2022-02-11

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