CN111397022A - Air sterilizing device by high-temperature heating mode - Google Patents

Abstract

The invention relates to an air disinfection device treated by high temperature heating, comprising a fan installed at the front end of the device, the air outlet of the fan is connected to an electrostatic adsorption layer and an activated carbon adsorption layer in sequence, and the outlet of the activated carbon adsorption layer is connected to High temperature air heating sterilization chamber, electric heater is installed in the high temperature air heating sterilization chamber, and the high temperature air heating sterilization chamber is respectively connected with the main circuit solenoid valve and the circulating circuit solenoid valve, the high temperature air heating sterilization chamber The inner loop is formed by a loop solenoid valve, and the high temperature air heating and sterilization chamber is connected to the surface cooler through the main loop solenoid valve. The air disinfection device of the present invention can effectively remove mold, mites, various allergens, organic odor, ozone, pollen, dander, viruses, microorganisms and other harmful substances through continuous indoor air circulation and sterilization.

Description

Air disinfection device processed by high temperature heating

technical field

The invention relates to an air disinfection and purification device, in particular to an air disinfection device processed by high temperature heating.

Background technique

At present, there are many kinds of air purifiers on the market, and most of them use high-efficiency filters (HEPA) to filter particles, bacteria, pollen, various spores, etc. to achieve purification and disinfection effects. The purifier is simple in principle and simple in manufacture. However, the filter element is a consumable item that needs to be replaced frequently and is expensive. According to market research, most users did not replace the high-efficiency filter element in time according to the user manual, which eventually resulted in incomplete air purification and disinfection.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an air sterilization device processed by high temperature heating, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: an air disinfection device processed by high temperature heating, including a fan installed at the front end of the device, and the exhaust port of the fan is sequentially connected to the electrostatic adsorption layer and the activated carbon adsorption layer. , the outlet of the activated carbon adsorption layer is connected to a high-temperature air heating sterilization chamber, an electric heater is installed in the high-temperature air heating sterilization chamber, and the high-temperature air heating sterilization chamber is respectively connected to the main circuit solenoid valve and the circulating circuit solenoid valve The inside of the high-temperature air heating and sterilizing chamber is constituted by a circulating circuit solenoid valve, and the high-temperature air heating and sterilizing chamber is connected to the surface cooler through the main circuit electromagnetic valve.

Further, a temperature switch and a temperature probe are also provided on the high-temperature air heating and sterilizing chamber, and the temperature switch is used to prevent the danger caused by excessively high temperature during heating; the temperature probe is used to send temperature data to the control system in real time. Control the entire heating temperature.

Further, the control system is respectively connected to the main loop solenoid valve and the circulation loop solenoid valve, and is used to respectively control the opening of the main loop solenoid valve and the circulation loop solenoid valve to adjust the air circulation in the high temperature air heating and sterilizing chamber, so as to achieve the purpose of heating the air. The role of time control.

Further, the air heating temperature in the high temperature air heating sterilization chamber is 200-250 degrees Celsius.

Further, a wind pressure sensor is installed on the pipeline behind the activated carbon adsorption layer to detect the wind pressure of the exhaust air of the fan.

Further, there are two heat exchangers in the surface cooler, one of which is a water-cooled heat exchanger, and the hot air from the high-temperature air heating and sterilization chamber is heated by water to reduce the temperature of the hot air , the other heat exchanger is an air-cooled heat exchanger. The air-cooled heat exchanger cools the water that has absorbed the heat of the hot air. After the water is cooled, it returns to the water-cooled heat exchanger to continue cooling and heating from the high-temperature air. Hot air from the sterilization chamber.

Further, an exhaust temperature probe is connected to the air outlet of the surface cooler for measuring whether the final exhaust temperature reaches the standard for human breathing.

Further, the exhaust gas temperature probe is connected to the cooling fan and the alarm of the air-cooled heat exchanger through the control system, and when the air temperature exceeds the set temperature, the control system outputs a control signal for controlling and increasing the rotational speed of the cooling fan. To improve the cooling efficiency, when the cooling fan is increased to the highest power, when the air temperature has not yet dropped to the required value, the control system outputs a control signal to the alarm, and stops the work of the entire device to ensure safety. effect.

Compared with the prior art, the beneficial effects of the present invention are:

The structure principle of the present invention is reasonable in design and convenient in use. The sterilization method using high temperature heating is an effective secret method widely implemented in the food, medical and pharmaceutical industries. method, although the heating temperature and time of this device do not meet the requirements of the Pharmacopoeia for removing heat sources. However, after continuous indoor air circulation and sterilization, it can effectively remove mold, mites, various allergens, organic odors, ozone, pollen, dander, viruses, microorganisms and other harmful substances. Moreover, the high-efficiency filter does not need to be replaced frequently, which saves the user's expensive high-efficiency filter replacement and maintenance costs. Suitable for widespread promotion.

Description of drawings

Fig. 1 is the structural principle diagram of the air sterilizing device processed by the high temperature heating mode of the present invention;

In the picture: 1 fan, 2 electrostatic adsorption layer, 3 activated carbon adsorption layer, 4 wind pressure sensor, 5 high temperature air heating sterilization chamber, 6 temperature switch, 7 temperature probe, 8 circulation loop solenoid valve, 9 main loop solenoid valve, 10 Surface cooler, 11 exhaust temperature probe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 , the air disinfection device of the present invention treated by high temperature heating includes a fan 1, which is installed at the front end of the device to provide the power of air flow for the entire purification device. The air outlet of the fan 1 is installed with a The electrostatic adsorption layer 2 adopts the principle of electrostatic adsorption to remove dust substances with relatively large particles in the air. The activated carbon adsorption layer 3 is connected to the rear of the electrostatic adsorption layer 2, which is used to adsorb formaldehyde and other substances in the air that are harmful to the human body. The activated carbon adsorption layer 3. A wind pressure sensor 4 is installed on the rear pipe to detect the wind pressure of the exhaust air of the fan 1. It has two functions: one is to detect whether the fan 1 is working normally, and the other is to detect the adsorption on the electrostatic adsorption layer 2 and activated carbon. Whether there is any blockage in layer 3, the outlet of activated carbon adsorption layer 3 is connected to the core part of the device, the high temperature air heating sterilization chamber 5, and the high temperature air heating sterilization chamber 5 is equipped with electric heating, which can heat the air temperature Sterilize at 200-250 degrees Celsius. The high-temperature air heating sterilization chamber 5 is also equipped with a temperature switch 6 and a temperature probe 7. The temperature switch 6 prevents the danger caused by excessively high temperature during heating, and the temperature probe 7 is used for real-time transmission. The temperature data is used to control the entire heating temperature for the control system. The high temperature air heating and sterilizing chamber 5 is connected with two solenoid valves, the main loop solenoid valve 9 and the circulation loop solenoid valve 8. The diameter of the main loop solenoid valve 9 is larger than that of the circulation loop solenoid valve. Valve 8, the control system can separately control the opening of these two valves to adjust whether the air in the heating chamber circulates continuously in the heating chamber, so as to achieve the effect of controlling the air heating time. The control system adopts PLC controller or single-chip microcomputer; The back of the loop solenoid valve 9 is connected to the surface cooler 10, and the surface cooler 10 is used to cool the hot air discharged from the high temperature air heating and sterilizing chamber 5. There are two heat exchangers in the surface cooler, and the first heat exchanger The second heat exchanger uses air cooling to cool the water that has absorbed the heat of the hot air, and the water is cooled before Return to the work of the first heat exchanger, continue to cool the hot air from the high temperature air heating sterilization chamber 5, and finally connect an exhaust temperature probe 11 to the exhaust port of the surface cooler 10 to measure the final exhaust temperature Whether it has reached the standard for human breathing. If the temperature is too high, increase the speed of the cooling fan to improve the cooling efficiency. If the cooling fan has been increased to the maximum power, but the air temperature cannot be reduced to the required value, the alarm will be stopped. The work of the whole device also plays a certain role in safety protection.

Claims (8)

1. The utility model provides an air degassing unit through high temperature heating mode is handled, is including installing the fan at the foremost of device, the air exit of fan connects gradually electrostatic absorption layer, active carbon adsorption layer, its characterized in that: the exit linkage high temperature air heating sterilization room of active carbon adsorption layer, the electrical heating has been equipped with in the high temperature air heating sterilization room, main loop solenoid valve and circulation circuit solenoid valve are connected respectively to the high temperature air heating sterilization room, the indoor portion of high temperature air heating sterilization constitutes circulation circuit through the circulation circuit solenoid valve, the high temperature air heating sterilization room passes through the main loop solenoid valve and connects the surface cooler.

2. An air sterilizer according to claim 1, wherein: the high-temperature air heating sterilization chamber is also provided with a temperature switch and a temperature probe, and the temperature switch is used for preventing danger caused by overhigh temperature during heating; the temperature probe is used for sending temperature data to the control system in real time to control the whole heating temperature.

3. An air sterilizer according to claim 2, wherein: the control system is respectively connected with the main loop electromagnetic valve and the circulating loop electromagnetic valve and is used for respectively controlling the opening of the main loop electromagnetic valve and the circulating loop electromagnetic valve to adjust the air circulation in the high-temperature air heating sterilization chamber, so that the effect of controlling the air heating time length is achieved.

4. An air sterilizer according to claim 1, wherein: the air heating temperature in the high-temperature air heating sterilization chamber is 200-250 ℃.

5. An air sterilizer according to claim 1, wherein: and a wind pressure sensor is arranged on a pipeline behind the activated carbon adsorption layer and used for detecting the wind pressure of the air exhausted by the fan.

6. An air sterilizer according to claim 1, wherein: the surface air cooler is provided with two heat exchangers, wherein one heat exchanger is a water-cooling heat exchanger and is used for exchanging heat for hot air coming out of the high-temperature air heating sterilization chamber through water so as to reduce the temperature of the hot air, the other heat exchanger is an air-cooling heat exchanger, the air-cooling heat exchanger is used for cooling water which absorbs heat of the hot air, the water is cooled and then returns to the water-cooling heat exchanger to work, and the hot air coming out of the high-temperature air heating sterilization chamber is continuously cooled.

7. An air sterilizer according to claim 1, wherein: and an air outlet of the surface cooler is connected with an exhaust temperature probe for measuring whether the final exhaust temperature reaches the standard for human breathing.

8. An air sterilizer according to claim 7, wherein: the exhaust temperature probe is connected with a cooling fan and an alarm of the air-cooled heat exchanger through the control system, when the air temperature exceeds a set temperature, the control system outputs a control signal for controlling the increase of the rotating speed of the cooling fan to improve the cooling efficiency, and after the cooling fan is increased to the highest power, the air temperature is not reduced to a required value, the control system outputs a control signal to the alarm and stops the work of the whole device, so that the safety guarantee effect is achieved.

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