CN214009480U

CN214009480U - Air purification system and air conditioner

Info

Publication number: CN214009480U
Application number: CN202022114943.0U
Authority: CN
Inventors: 王鹏; 崔琳; 吴黎男; 常景彩
Original assignee: Shandong University
Current assignee: Shandong University
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-08-20
Anticipated expiration: 2030-09-23

Abstract

The disclosure relates to the field of indoor air purification, and particularly provides an air purification system and an air conditioner. The air purification system sequentially comprises a filtering section, an air return section, a jet flow synergistic grid and an atomization humidifying section according to the air inlet direction, the air return section is also connected with an air supply system, airflow in the air return section enters the air supply system to generate airflow carrying hydroxyl radicals, and the airflow carrying the hydroxyl radicals is sent to the jet flow synergistic grid. The problem of possess the air purification device of disinfection and sterilization usually adopt irradiation or ionization treatment among the prior art, be difficult to regulate and control and bring the burden for air conditioner temperature regulating system is solved.

Description

Air purification system and air conditioner

Technical Field

The disclosure relates to the field of indoor air purification, and particularly provides an air purification system and an air conditioner.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

Along with the popularization of health knowledge, public pay more and more attention to the health and sanitation problem of closed space air, especially in public spaces with dense people flows, such as hospitals, restaurants, hotels and the like, and an air purification system nested with a traditional combined air conditioning system is urgently needed in order to ensure a sterile, nontoxic and dust-free clean environment for air flow in places.

At present, the indoor purification technology mainly comprises the following steps: the inventor finds that some of the technologies can not be used for disinfection and sterilization, such as filtration, adsorption, purification, electrostatic dust removal and the like, some of the technologies need to completely irradiate or ionize required purified air, and the treatment of the total air volume can cause sudden change of local effect of air flow, which can not be accurately grasped, the equipment is poor in operation and huge in energy consumption, and huge burden is brought to an air-conditioning temperature regulation system.

SUMMERY OF THE UTILITY MODEL

The air purification device aims at the problems that in the prior art, an air purification device with a disinfection and sterilization effect usually adopts irradiation or ionization treatment, is difficult to regulate and control and brings burden to an air conditioner temperature regulation system.

In one or some embodiments of the present disclosure, an air purification system is provided, which sequentially includes a filtering section, an air return section, a jet flow synergistic grid, and an atomization humidifying section according to an air inlet direction, wherein the air return section is further connected to an air supply system, airflow in the air return section enters the air supply system to generate airflow carrying hydroxyl radicals, and the airflow carrying the hydroxyl radicals is sent to the jet flow synergistic grid.

In one or some embodiments of the present disclosure, an air conditioner is provided, which includes the above air purification system, and an air temperature adjusting block is further connected to an air outlet of the air purification system.

One or more of the above technical solutions have the following advantages or beneficial effects:

1) this openly changes traditional plasma and to all need air-purifying's purification mode that discharges, utilizes the air that the part needs to be handled to carry out the quenching and tempering with steam, carries indirect plasma generating device, produces efficient hydroxyl free radical, and the air that has the pollutant to new entering in the system disinfects disinfection and VOCs degradation, the mode need not to carry out the steam quenching and tempering to all air that take the pollutant, and is less to the pressure of quality control system, lets in air purification system once more with the air current of the hydroxyl free radical that the reaction produced, when getting rid of VOCs, offsets the hydroxyl free radical that produces, avoids hydroxyl free radical to get into external environment and brings new pollution.

2) The method aims to activate and degrade VOCs in airflow by using high-energy electrons of indirect non-equilibrium plasma, and simultaneously destroy the structure and composition of genetic materials in bacteria and viruses in the airflow to achieve the effect of broad-spectrum killing, and finally achieve the aim of air purification. The air purification system can be matched with a combined air conditioning system for use, namely, the sterilization effect can be controlled by controlling the air flow entering and exiting the air supply system, ionization or radiation is not needed, the control method is simple, the energy consumption is low, and great burden can not be brought to an air conditioning temperature regulation system.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the disclosure and, together with the description, serve to explain the disclosure and not to limit the disclosure.

Fig. 1 is a structural diagram of an air purification system according to embodiment 1 of the present disclosure.

Wherein: 1. a steam generator; 2. an indirect plasma generator; 3. an air supply system; 4. a plasma generator; 5. a filtration section; 6. a return air section; 7. a jet flow synergistic grid; 8. an atomization humidifying section; 9. an adsorption attenuation section; 10. a feedback device is detected.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

The disclosure aims to provide an air purification system, which utilizes high-energy electrons of indirect non-equilibrium plasma to activate and degrade VOCs in airflow, and simultaneously destroys the structure and composition of genetic materials in bacteria and viruses in the airflow to achieve the effect of broad-spectrum killing, and finally achieves the purpose of air purification. And the air purification system is used by matching with a combined air conditioning system, and plays a role in adjusting temperature and humidity in the air conditioner.

As shown in fig. 1, the present embodiment provides an air purification system, which sequentially includes a filtering section 5, an air return section 6, a jet synergistic grid 7, and an atomization humidification section 8 according to an air intake direction, where the air return section 6 is further connected to an air supply system 3, and an air flow in the air return section 6 enters the air supply system 3 to generate an air flow carrying hydroxyl radicals, and the air flow carrying hydroxyl radicals is sent to the jet synergistic grid 7.

The main air carrying sand dust and VOCs pollutants enters a cloth bag filtering section 5 to remove a large amount of dust, and then enters an air return section 6, an air supply system 3 is arranged on the side wall of the air return section 6, and the air supply system 3 is respectively connected with a steam generator 1 and a plasma generator 2. Airflow enters the ion generator 2 from the air supply system 3, and the steam generator 1 provides steam for the air supply system 3.

Specifically, the filtering section 5 can be a cloth bag filter, the cloth bag filter has a good effect of filtering particles in the air, and cloth bag filters of various types and powers can be selected according to actual conditions.

The filtering section 5 and the air return section 6 can directly open the adjacent surfaces, and the filtered gas can directly enter the air return section 6 or be connected through a pipeline. The jet flow synergistic grid 7 can be independently arranged in a closed space, and can also be arranged at the main air outlet of the return air section 6. The jet flow synergistic grating is a metal grid woven structure filled with 7 fillers, the structure can perform reaction synergism, and the principle is that airflow repeatedly shuttles in the metal grid woven structure, hydroxyl radicals are repeatedly mixed with main air flow, turbulence is generated, the hydroxyl radicals react with pollutants such as VOCs in the main air, and pollutant removal and air purification are achieved.

The airflow enters the plasma generator 4 from the air supply system 3, and airflow carrying hydroxyl radicals is generated in the plasma generator 4 and enters the jet flow synergistic grid 7. The gas flow is discharged in the plasma generator 4, electrons collide frequently in the gas, the temperature rises, and hydroxyl radicals are generated.

The steam generator 1 is further included for supplying steam to the air supply system 3. The steam from the steam generator 1 is mixed with the air flow entering the air supply system 3 from the return air section 6 as a mixed air flow. The mixed gas flow enters an indirect plasma generator 2 to generate gas flow carrying high-efficiency hydroxyl radicals. The steam generator 1 provides steam to improve the discharge capacity in the plasma generator 4, and increases the moisture content in the air flow to increase the humidity of the purified air and regulate the air humidity.

The air supply system 3 is composed of an axial flow fan and a flow pressure controller which are arranged in an induced air pipeline, and the axial flow fan and the flow pressure controller regulate and control the air flow entering the indirect plasma generator 2.

The steam generator 1 also provides steam to the atomizing humidification stage 8. The rear main air flow passes through the atomization humidification section 8 to adjust the moisture content of the air flow, specifically, the steam generator 1 is connected with the atomization humidification section 8 through a pipeline, a valve is arranged on the pipeline, and the size of steam is controlled by controlling the size of the valve, so that the air humidity is adjusted. In addition, the steam generator 1 has two purposes, and can save the humidifying device of the atomization humidifying section 8

The air supply section 3 is positioned on the side wall of the return section 6. The gas from the reflux section 6 directly enters the air supply section 3 on the side wall to form right-angle turbulence and increase the wind speed.

The atomization and humidification section 8 is sequentially provided with an adsorption attenuation section 9 and a detection feedback device 10. Before entering the atmosphere, the main air flow passes through the adsorption attenuation section 9 to be purified again to remove residual reaction products, so that the air is ensured to be healthier and cleaner.

And finally, detecting the content of pollutants by the air flow through the detection feedback device 10, if the content of pollutants does not reach the standard, feeding the air flow back to the air supply system 3, and reprocessing the air flow by the indirect plasma generator 2 and the steam generating device 1.

Specifically, a secondary air return inlet is formed in the air return section 6, and unqualified air flow detected by the detection feedback device is introduced into the secondary air return inlet. The secondary air return inlet is positioned on the side wall of the air return section 6, and the side wall where the secondary air return inlet is positioned is opposite to the side wall where the air supply system 3 is positioned. The secondary return air entering the return air section 6 and the main air flow can form better turbulent flow. The air flow which is detected in the feedback device 10 and does not reach the standard enters the secondary air return inlet, and together with the main air flow, the pollutants are removed again.

The detection feedback device 10 includes a sensor that is capable of determining the level of a contaminant.

The using method of the air purification system comprises the following steps that main air carrying sand dust and VOCs pollutants enters a cloth bag filtering section 5 to remove a large amount of dust, then enters an air supply system 3 through an air return section 6, steam is provided for the air supply system 3 by a steam generator 1, enters an indirect plasma generator 2 together with the main air containing the VOCs, hydroxyl is generated in the plasma generator 2, enters a jet flow synergistic grid 7 along with air flow from an indirect plasma maintaining and conveying system 4, is mixed with the main air, the VOCs in the main air are removed by utilizing the hydroxyl to realize air purification, the purified air enters an atomization humidification section 8 through the jet flow synergistic grid 7, the steam generator 1 provides required steam for the atomization humidification section 8, the humidified steam enters an adsorption attenuation section 9 to remove residual products, and when the main air flows out from an air outlet, a detection feedback device 10 detects the content of the pollutants, if the air is qualified, discharging, if the air is not qualified, returning to a secondary air return opening, continuously purifying, and discharging from the air purification system until the air is qualified.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. The air purification system is characterized by sequentially comprising a filtering section, an air return section, a jet flow synergistic grating and an atomization humidifying section according to an air inlet direction, wherein the air return section is also connected with an air supply system, airflow in the air return section enters the air supply system to generate airflow carrying hydroxyl radicals, and the airflow carrying the hydroxyl radicals is sent to the jet flow synergistic grating.

2. The air purification system of claim 1, wherein the airflow enters the plasma generator from the air supply system, and the airflow carrying hydroxyl radicals is generated in the plasma generator and enters the jet synergistic grid.

3. The air purification system of claim 1, further comprising a steam generator to provide steam to the air supply system.

4. The air purification system of claim 3, wherein the steam generator further provides steam to the atomizing humidification stage.

5. The air purification system of claim 1, wherein the air supply system is located on a side wall of the return section.

6. The air purification system of claim 1, further comprising an adsorption decay section and a detection feedback device in sequence after the atomization humidification section.

7. The air purification system of claim 6, wherein the return air section is provided with a secondary return air inlet, and the air flow which is detected to be unqualified by the detection feedback device is introduced into the secondary return air inlet.

8. The air purification system as recited in claim 7, wherein said secondary air return opening is located in a side wall of the return section.

9. The air purification system as recited in claim 7, wherein said air supply system is located on a side wall of the return section, and said secondary air return opening is located on a side wall of the return section opposite the side wall where the air supply system is located.

10. An air conditioner, characterized in that, comprising the air purification system of any one of claims 1-9, an air temperature adjusting block is connected to the air outlet of the air purification system.