CN212179092U - Central air conditioning bacterium virus centralized killing system - Google Patents

Central air conditioning bacterium virus centralized killing system Download PDF

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Publication number
CN212179092U
CN212179092U CN202020509015.1U CN202020509015U CN212179092U CN 212179092 U CN212179092 U CN 212179092U CN 202020509015 U CN202020509015 U CN 202020509015U CN 212179092 U CN212179092 U CN 212179092U
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sterilizing
water
central air
electrostatic dust
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张吉礼
赵宇
王志强
朱凯
江超文
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Dalian Qunzhi Technology Co ltd
Dalian University of Technology
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Dalian Qunzhi Technology Co ltd
Dalian University of Technology
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • 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
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

A central air-conditioning bacteria and virus centralized sterilizing system comprises a primary effect filtering section, a spraying and sterilizing section, an electrostatic dust removing section, a sterilizing and disinfecting agent collecting section, a medium/high-efficiency filtering section and a negative pressure fan section; the primary filter section is provided with a primary filter screen, and the front end of the primary filter section is provided with a sealed door; the upper part of the pesticide spraying and sterilizing section is provided with a nozzle which is connected with a water storage tank and a pesticide storage tank; the middle part of the pesticide spraying and sterilizing section is provided with a packing layer; the lower part of the pesticide spraying and sterilizing section is provided with a water collecting tray which is connected with a wastewater and waste liquid treatment pipe and a collecting tank; the electrostatic dust removal section is divided into three electrostatic dust removal areas; the lower part of the virus killing and sterilizing agent collecting section is provided with a water collecting disc and is connected with a waste water and waste liquid treatment pipe and a collecting tank; the medium/high-efficiency filtering section is provided with a medium/high-efficiency filtering net; the negative pressure fan section is provided with a fan and a fastening door at the rear end. The utility model discloses a central air conditioning provides quick, high-efficient disinfection's technical measure, will greatly reduce the propagation of virus in central air conditioning system, provides safer, healthy environment for people.

Description

Central air conditioning bacterium virus centralized killing system
Technical Field
The utility model belongs to the technical field of air conditioning and public health, concretely relates to central air conditioning bacterium virus centralized killing system.
Background
The novel coronavirus pneumonia epidemic situation which is emergent in the early 2020 has strong spreading property and high diffusion speed, and has brought obvious impact on national economy, society and normal public order. Governments in various places successively start I-level responses of public health safety major emergent public health events, and strictly and medically isolate closely contacted personnel with diagnosed cases in transportation hubs such as large public buildings, airports, high-speed rail stations and the like, so that economic loss and social influence caused by the strict medical isolation are great. If the central air-conditioning system has the pollution problem of virus, bacteria and the like, the virus in the closed space is possibly spread and diffused. Therefore, how to develop key technologies and products for killing key equipment and components of the ventilation and air-conditioning system and how to realize technical measures and means for quickly and efficiently killing the ventilation and air-conditioning system in a large public building and a transportation hub greatly reduces the spread of viruses in the central air-conditioning system, reduces the infection risk of novel coronaviruses in the large public building and the transportation hub with high personnel density, and provides a safer and healthier environment for people.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, the utility model provides an intelligent degree is high, disinfection and dust removal effect is good, can open and close with three electrostatic precipitator district according to the different automatically regulated liquid medicine concentration of the air flow of handling, can carry out humidification and dust removal to the air under the situation of epidemic situation not, can disinfect and sterilize and the humidification dust removal to the air when the epidemic situation takes place, can show the propagation that reduces the virus in central air conditioning system, provide a central air conditioning bacterium virus centralized killing system of safer, healthy environment for people. The utility model is used for among the great or the high central air conditioning system of safety requirement of personnel's density, like hospital air conditioning system, public building air conditioning system etc..
The technical scheme of the utility model:
a central air-conditioning bacteria and virus centralized sterilizing system comprises a primary effect filtering section, a spraying and sterilizing section, an electrostatic dust removal section, a sterilizing and disinfecting agent collecting section, a medium/high-efficiency filtering section and a negative pressure fan section in sequence from front to back;
the primary filter section is provided with a primary filter screen, and the front end of the primary filter section is provided with a sealed door;
the upper part of the pesticide spraying and sterilizing section is provided with a nozzle; the middle part of the pesticide spraying and sterilizing section is provided with a packing layer; the lower part of the pesticide spraying and sterilizing section is provided with a water collecting tray which is sequentially connected with a wastewater and waste liquid treatment pipe and a collecting tank;
the electrostatic dust removal section is divided into three electrostatic dust removal areas;
the lower part of the virus killing and sterilizing medicament collecting section is provided with a water collecting tray which is connected with the water collecting tray at the lower part of the pesticide spraying and sterilizing section in parallel and is sequentially connected with a waste water and liquid treatment pipe and a collecting tank;
the middle/high-efficiency filtering section is provided with a middle/high-efficiency filtering net;
the negative pressure fan section is provided with a fan, and a fastening door is arranged at the rear end of the negative pressure fan section.
The spraying and sterilizing section is provided with a water storage tank and a medicine storage tank, the water storage tank is connected with the medicine storage tank in parallel, and is connected with a nozzle at the upper part of the spraying and sterilizing section through a water pump; under the command of the control center, the electric regulating valves at the outlets of the water storage tank and the medicine storage tank automatically regulate according to the air flow, so that liquid medicines with different concentrations are obtained and then are sprayed out through the nozzle; the utility model discloses an embodiment can divide into six different valve control schemes according to the difference of valve aperture.
The spray nozzle of the pesticide spraying and sterilizing section sprays liquid in a mist shape to be sprayed on the packing layer in the middle of the pesticide spraying and sterilizing section; the liquid medicine and the air are fully mixed in the packing layer to play a role of sterilization, and fall on a water collecting tray below the spraying sterilization section or enter the electrostatic dust removal section together with the air.
The water collecting tray at the lower part of the pesticide spraying and sterilizing section is connected with the wastewater and waste liquid treatment tank and the collecting tank, wastewater is led to the wastewater and waste liquid treatment tank for treatment under the action of the water pump, and then enters the collecting tank for storage and discharge.
The electrostatic dust removal section is divided into three electrostatic dust removal areas in total and adopts a parallel circuit. Control center can be according to the difference of air mass flow and control opening and close of three electrostatic precipitator district the utility model discloses an in the embodiment, start one, two, three electrostatic precipitator district respectively under little amount of wind operating mode, medium wind volume operating mode and the big amount of wind operating mode.
The water collecting tray at the lower part of the virus killing and sterilizing medicament collecting section is connected with the water collecting tray at the lower part of the pesticide spraying and sterilizing section in parallel and is connected with a waste water and liquid treatment pipe and a collecting tank. The liquid medicine waste water that partly passes through the electrostatic precipitator section along with the air can collect through this water-collecting tray, and waste water leads to waste water waste liquid treatment tank through the water pump effect and handles, and the back is gone into the collection tank and is stored and discharge.
The negative pressure fan section is provided with a fan, the rear end of the negative pressure fan section is provided with a fastening door, the fan can ensure that the inside of the central air-conditioning system and the front end of the negative pressure fan of the central air-conditioning bacteria and virus centralized killing system are both in a negative pressure state, and the negative pressure value in the central air-conditioning bacteria and virus centralized killing system is greater than that in the central air-conditioning system; the fan can also transmit an air flow signal to the control center, and the control center can automatically control the opening and closing of the electric regulating valves of the water storage tank and the medicine storage tank and the opening and closing of the three electrostatic dust removal areas according to the flow after obtaining the air flow signal.
The working process of the central air-conditioning bacterium and virus centralized killing system is as follows: the fan is started to ensure that the fans of the central air-conditioning bacterial and viral centralized sterilizing system are in a negative pressure state, air flow information is sent to the control center, the control center selects a control strategy according to the air flow information and whether epidemic situations occur and sends commands to the electric control valves of the water storage tank and the medicine storage tank and circuits of the electric dust removal area, and the electric control valves adjust the opening under the command of the control center to form liquid medicines with corresponding concentrations. The liquid medicine is pressurized and sprayed out by a water pump, the atomized liquid medicine is fully mixed and sterilized with air in a packing layer, part of the liquid medicine flows into a water collecting tray at the lower part of a pesticide spraying and sterilizing section, and is led to a waste water and liquid treatment tank for treatment under the action of the water pump, and then enters a collecting tank for storage and discharge; the other part of the liquid medicine enters the electrostatic dust removal area along with the air, and the dust in the air is combined with the small liquid drops to increase the dust removal efficiency. Before the middle (high) efficiency filtering area and in the virus killing and sterilizing agent collecting section, the liquid medicine is collected by a water collecting tray at the lower part of the virus killing and sterilizing agent collecting section under the action of the middle (high) efficiency filter screen, is led to a waste water and liquid treatment tank for treatment under the action of a water pump, and then enters the collecting tank for storage and discharge.
The utility model has the advantages that:
1. the installation is convenient, extensive applicability. The air return system can be used as a terminal device in a primary air return system to be installed at an air return position, and can also be used as a functional section of a fresh air system, so that the air return system has wide applicability.
2. The intelligent degree is higher, and energy-concerving and environment-protective. The opening and closing of the electrostatic dust collection area and the concentration of the liquid medicine can be automatically adjusted according to different air flows, so that the device is more energy-saving and environment-friendly.
3. The safety is higher. The utility model discloses a central air conditioning provides quick, high-efficient disinfection's technical measure, will greatly reduce the propagation of virus in central air conditioning system, provides safer, healthy environment for people.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a flow chart of the opening and closing of the electrostatic dust collection area and the valve control method according to the embodiment of the present invention.
Detailed Description
The following will further explain the embodiments of the present invention with reference to the drawings and technical solutions.
Referring to fig. 1 and 2, a central air-conditioning bacterial virus centralized sterilizing system comprises a primary effect filtering section, a spraying sterilizing section, an electrostatic dust removing section, a sterilizing agent collecting section, a medium (high) effect filtering section and a negative pressure fan section; the primary filter section is provided with a primary filter screen, and the front end of the primary filter section is provided with a sealed door; the upper part of the pesticide spraying and sterilizing section is provided with a nozzle which is connected with a water storage tank and a pesticide storage tank; the middle part of the pesticide spraying and sterilizing section is provided with a packing layer; the lower part of the pesticide spraying and sterilizing section is provided with a water collecting tray which is connected with a wastewater and waste liquid treatment pipe and a collecting tank; the electrostatic dust removal section is divided into three electrostatic dust removal areas; the lower part of the virus killing and sterilizing medicament collecting section is provided with a water collecting tray which is connected with the water collecting tray at the lower part of the pesticide spraying and sterilizing section in parallel and is connected with a waste water and liquid treatment pipe and a collecting tank; the middle (high) efficiency filtering section is provided with a middle (high) efficiency filtering net; the negative pressure fan section is provided with a fan, and a fastening door is arranged at the rear end of the negative pressure fan section.
In this embodiment, the electric control valves at the outlets of the water storage tank and the drug storage tank of the drug spraying and sterilizing section can automatically adjust according to the air flow under the instruction of the control center, so as to obtain the drug solutions with different concentrations, and then the drug solutions are sprayed out through the nozzle. In this embodiment, six different valve control schemes can be adopted according to the different valve opening degrees. The first valve control scheme is as follows: firstly, one third opening degree of the valve, and secondly, closing the valve; and a second valve control scheme: firstly, one third of the opening degree of the valve is calculated and determined according to the required dosage; and a third valve control scheme: firstly, two thirds of the opening degree of the valve, and secondly, closing the valve; and a fourth valve control scheme: firstly, two thirds of the opening degree of the valve, and secondly, the opening degree of the valve is determined by calculation according to the required dosage; and a valve control scheme V: firstly, fully opening the valve, and secondly, closing the valve; a valve control scheme six: the valve is fully opened, and the opening degree of the valve is determined according to the dosage required by calculation. The calculation method of the required dosage is determined according to the existing public health disinfection standard and is not repeated.
In this embodiment, the electrostatic dust removal section is divided into three electrostatic dust removal regions in total, and a parallel circuit is adopted. The control center can control the opening and closing of the three electrostatic dust removal areas according to the difference of air flow, and respectively starts the first electrostatic dust removal area, the second electrostatic dust removal area and the three electrostatic dust removal areas under the working conditions of small air flow, medium air flow and large air flow.
In this embodiment, the fan can transmit an air flow signal to the control center, and the control center can automatically control the opening and closing of the electric control valves of the water storage tank and the medicine storage tank and the opening and closing of the three electrostatic dust removal areas according to the size of the air flow signal in this embodiment, the air flow Q is a small air flow working condition when being smaller than Q1, the air flow Q is a medium air flow working condition when being between Q1 and Q2, the air flow Q is a large air flow working condition when being larger than Q2, and the sizes of specific Q1 and Q2 parameters are specifically analyzed when being specifically used.
Under the working condition of no epidemic situation, the central air-conditioning bacterial and virus centralized sterilizing system has the functions of humidifying and dedusting, and does not perform sterilizing operation of viruses. In the embodiment, the fan is started to ensure that the front part of the fan of the central air-conditioning bacterial and viral centralized sterilizing system is in a negative pressure state, and air flow information is sent to the control center, the control center selects a control strategy according to the air flow information and sends commands to an electric regulating valve of a water storage tank and a circuit of an electric dedusting area, the electric regulating valve enables water with different flow rates to be sprayed out through pressurization of a water pump under the command of the control center, atomized water is fully mixed and humidified with air in a packing layer, part of atomized water flows into a water collecting disc at the lower part of a pesticide spraying and sterilizing section, and is led to a waste water and waste liquid treatment tank for treatment under the action of the water pump, and; the other part enters the electrostatic dust collection area along with the air and is collected by the water collecting tray at the lower part of the sterilizing agent collection section, and the dust in the air is combined with the small liquid drops to increase the dust collection efficiency of the electrostatic dust collection area.
Under the working condition of epidemic situation, the central air-conditioning bacterium and virus centralized sterilizing system performs the sterilizing operation of the virus and has the functions of humidifying and dedusting. In the embodiment, the fans are started to ensure that the fans of the central air-conditioning bacterial and viral centralized sterilizing system are in a negative pressure state, air flow information is sent to the control center, the control center selects a control strategy according to the air flow information and whether an epidemic situation occurs and sends commands to the water storage tank, the electric regulating valves of the medicine storage tank and the circuits of the electric dust removal area, and the electric regulating valves adjust the opening under the command of the control center to form liquid medicine with corresponding concentration. The liquid medicine is pressurized and sprayed out by a water pump, the atomized liquid medicine is fully mixed and sterilized with air in a packing layer, part of the liquid medicine flows into a water collecting tray at the lower part of a pesticide spraying and sterilizing section, and is led to a waste water and liquid treatment tank for treatment under the action of the water pump, and then enters a collecting tank for storage and discharge; the other part of the liquid medicine enters the electrostatic dust removal area along with the air, and the dust in the air is combined with the small liquid drops to increase the dust removal efficiency. Before the middle (high) efficiency filtering area and in the virus killing and sterilizing agent collecting section, the liquid medicine is collected by a water collecting tray at the lower part of the virus killing and sterilizing agent collecting section under the action of the middle (high) efficiency filter screen, is led to a waste water and liquid treatment tank for treatment under the action of a water pump, and then enters the collecting tank for storage and discharge.

Claims (7)

1. A central air-conditioning bacteria and virus centralized sterilizing system is characterized in that the central air-conditioning bacteria and virus centralized sterilizing system sequentially comprises a primary effect filtering section, a spraying sterilizing section, an electrostatic dust removing section, a sterilizing agent collecting section, a medium/high efficiency filtering section and a negative pressure fan section from front to back;
the primary filter section is provided with a primary filter screen, and the front end of the primary filter section is provided with a sealed door;
the upper part of the pesticide spraying and sterilizing section is provided with a nozzle; the middle part of the pesticide spraying and sterilizing section is provided with a packing layer; the lower part of the pesticide spraying and sterilizing section is provided with a water collecting tray which is sequentially connected with a wastewater and waste liquid treatment pipe and a collecting tank;
the electrostatic dust removal section is divided into three electrostatic dust removal areas;
the lower part of the virus killing and sterilizing medicament collecting section is provided with a water collecting tray which is connected with the water collecting tray at the lower part of the pesticide spraying and sterilizing section in parallel and is sequentially connected with a waste water and liquid treatment pipe and a collecting tank;
the middle/high-efficiency filtering section is provided with a middle/high-efficiency filtering net;
the negative pressure fan section is provided with a fan, and a fastening door is arranged at the rear end of the negative pressure fan section.
2. The system as claimed in claim 1, wherein the spraying and sterilizing section is provided with a water storage tank and a drug storage tank, the water storage tank is connected in parallel with the drug storage tank, and is connected with a nozzle at the upper part of the spraying and sterilizing section through a water pump; under the command of the control center, the electric regulating valves at the outlets of the water storage tank and the medicine storage tank automatically regulate according to the air flow, so that liquid medicines with different concentrations are obtained and then are sprayed out through the nozzle.
3. The system for intensively killing bacteria and viruses of a central air conditioner according to claim 1 or 2, wherein the spray nozzles of the spraying and sterilizing section spray liquid in the form of mist, and the liquid is sprayed on the packing layer in the middle of the spraying and sterilizing section; the liquid medicine and the air are fully mixed in the packing layer to play a role of sterilization, and fall on a water collecting tray below the spraying sterilization section or enter the electrostatic dust removal section together with the air.
4. A central air-conditioning bacteria and virus centralized sterilizing system as claimed in claim 3, wherein the water collecting tray at the lower part of the spraying and sterilizing section is connected with the waste water and liquid treatment tank and the collecting tank, and the waste water is pumped to the waste water and liquid treatment tank for treatment and then enters the collecting tank for storage and discharge.
5. The system for intensively sterilizing bacteria and viruses of a central air conditioner according to claim 1, 2 or 4, wherein the electrostatic dust removal section is divided into three electrostatic dust removal areas in total, and adopts a parallel circuit; the control center controls the opening and closing of the three electrostatic dust removing areas according to different air flow rates.
6. The system of claim 5, wherein the water collecting tray at the lower part of the disinfecting and sterilizing agent collecting section is connected in parallel with the water collecting tray at the lower part of the pesticide spraying and sterilizing section, and is connected with the waste water and liquid treatment pipe and the collecting tank; part of the liquid medicine wastewater passing through the electrostatic dust removal section along with air is collected through a water collecting tray at the lower part of the virus killing and sterilizing agent collecting section, and the wastewater is led to a wastewater and waste liquid treatment tank for treatment under the action of a water pump and then enters the collecting tank for storage and discharge.
7. The central air-conditioning bacteria and viruses centralized sterilizing system according to claim 1, 2, 4 or 6, wherein the negative pressure fan section is provided with a fan, and a fastening door is arranged at the rear end of the negative pressure fan section, the fan can ensure that the inside of the central air-conditioning system and the front end of the negative pressure fan of the central air-conditioning bacteria and viruses centralized sterilizing system are both in a negative pressure state, and the negative pressure value inside the central air-conditioning bacteria and viruses centralized sterilizing system is greater than that inside the central air-conditioning system; the fan transmits an air flow signal to the control center, and the control center automatically controls the opening and closing of the water storage tank, the electric regulating valve of the medicine storage tank and the three electrostatic dust removal areas according to the flow after obtaining the air flow signal.
CN202020509015.1U 2020-04-09 2020-04-09 Central air conditioning bacterium virus centralized killing system Active CN212179092U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114941875A (en) * 2022-06-30 2022-08-26 上海戎和实业有限公司 Electronic purification virus killing equipment for central air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114941875A (en) * 2022-06-30 2022-08-26 上海戎和实业有限公司 Electronic purification virus killing equipment for central air conditioner

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