Method to treat and condition air in closed rooms and device for its realisation

FIELD: ventilation.

SUBSTANCE: method and device that implements it are designed for produce air suitable in sanitary respect for human breathing, comfortable both in absolute humidity and oxygen content in it. Air treatment in accordance with the proposed method is executed due to air contact with large water surface (water fog), as a result of which most mechanical, biological and chemical admixtures, contained in air, are moistened and lose static charge, coagulate (enlarge), dissolve in moisture and deposit from air onto a sorting surface. The device comprises a conditioner 8 for thermal treatment of water, humidifiers 6 for air treatment with conditioned water and deposition of dust and other admixtures from air. The device also comprises moistened absorbing surfaces 11 for collection of dust and other admixtures deposited from air, and a tray 15 with water, for moistening of absorbing surfaces with conditioned water and accumulation of contaminants in water with their further removal.

EFFECT: increased efficiency of room humidification due to more accurate maintenance of specified humidity parameters.

15 cl, 3 dwg

 

The present invention relates to methods and means for ventilation and air-conditioning air in the state, the most suitable for sanitary conditions, breathing people, and more precisely to a method for cleaning and conditioning of atmospheric air in confined spaces and device for its implementation. The premises can be: coupe, cabins, private rooms, apartments, offices, halls, metro station, shops.

As you know, sanitary-hygienic norms along with other characteristics of the air regulate its temperature, humidity, percentage of oxygen, the content of ions and dust, toxic gases and vapors of substances in the air that people breathe in industrial and domestic premises.

Currently, various methods and devices for cleaning and conditioning of the air in closed spaces, designed to ensure compliance with accepted health and safety standards.

One of them (SU 635352 And 24.11.1975) provides for the use of the spray device. The spray device may be installed in such a way as to inject water into the pipeline or air channel. The basic principles of operation of the spray device are that the filter captures dirt, is the quiet are in the air, using fine particles of the liquid and at the same time allows you to adjust the humidity.

A disadvantage of the known method and device for its implementation is the limited scope of its application, high energy consumption and low efficiency air cleaning.

The closest to the technical nature of the claimed invention is a method of cleaning and conditioning the air in the premises, namely, that from the premises divert polluted air and direct it into the camera moisture where it removes impurities by processing air sprayed water, then washed the air return in the room.

EN 2377052 C1, 27.12.2009.

The disadvantages of the known method and device for its implementation are limited the scope of its application - indoors, occupying large areas. Other disadvantages of the method and device are large dimensions of the device, and when used in small rooms, the device has a low degree of purification of the air.

And the closest device to its technical nature of the claimed invention is a device for cleaning and conditioning of a closed space containing a building with Windows and air ducts to supply air into the room through the fan discharge in which Suha, ultrasonic humidifier with capacity for storage and conditioning of water.

EN 2223203 C1, 10,02,2004.

The disadvantages of this device are that it is mainly designed for ventilation, heating or cooling the air and causing it not economical for treatment and conditioning of air.

The present invention is to design a better and economical method and apparatus for cleaning and conditioning of atmospheric air, which would be consistent with the requirements of sanitary-hygienic norms for breathing people and served in the quantity required to maintain compliance in the air.

To develop a method of cleaning air in a closed room, we will analyze how the process of cleaning atmospheric air in nature.

First, in nature, constantly in the process of deposition of dust from the air. In calm weather, in the air, dust particles larger than 10 microns are missing.

Secondly, nature is constantly undergoing cyclical changes in temperature and relative humidity. These changes have a daily period, the seasonal period, the annual period, etc.

Let the season - summer. For this question it is necessary and sufficient to describe the daily cycle of change is of temperature and relative humidity. Is the place where all this happens. Let this occurs near a water body (river, lake, sea), is an unlimited source of moisture.

In the morning, at sunrise, the temperature increases and relative humidity decreases. Daytime temperature reaches its maximum for 14 hours and remains approximately constant, usually up to ~16 hours. As long as the temperature increases, so does the absolute moisture content in the air due to evaporation from water bodies and soils. The absolute moisture content in the air is rising up until the relative humidity reaches 100%. After that, if the temperature increases, relative humidity tends to 100%. If the temperature begins to fall - falls the dew. The minimum air temperature during the day, usually occurs in 4-6 hours in the morning, when cools the soil to its natural temperature. If by the time the temperature drops, the relative humidity was close to 100%, up to 4-6 hours in the morning continuously from the air the dew falls, and the process air cleaning, as dust particles in the air are centers of condensation water. The higher the absolute moisture content in the air, the more purified the air of dust. So there is a natural process of air purification from dust and gases (not natural components of air).

Typically, 4-6 o'clock in the morning has cleaned (washed) from dust and other gases air with 100% relative humidity and high oxygen content. Depending on how fast growing morning temperature and the process of evaporation of dew (as compensator relative humidity), a feeling of unusual freshness lasts no more than 1-2 hours. Especially long this feeling lasts, if the observation is in the middle of the water body (river, lake, sea, such as fishing).

A very important parameter in the sense of comfort is the minimum temperature at which was the dew, the dew point, because it shows the actual water content in the air ("Relative Humidity...Relative to What? The Dew Point Temperature...a better approach". Steve Horstmeyer, Meteorologist, WKRC-TV, Cincinnati, Ohio, USA., http://www.shorstmeyer.com/wxfaqs/humidity/humidity.html). [1], which remains constant at all temperatures above the dew point. If you take the sanitary norms (SanPiN 2.2.4.548-96 "Hygienic requirements for microclimate in industrial premises. SSBT GOST 12.1.005-88 General sanitary-hygienic requirements to the air of the working area"). [2, 3], the optimal values of parameters of microclimate in relation to the premises vary:

temperature from 18C to 26C, and taking into account the information presented in [1], up to 32C,

- relative humidity from 40% to 60%, as given in the information presented in [1], from 30%.

If you look at the relative and absolute humidity on temperature (see figure 1), the curve with a dew point of 10C is essentially a diagonal above the above range of temperature and relative humidity. As shown in [1] the air with a dew point of between 16C and 18C is perceived as comfortable for most, but humid, and the air with a dew point less than 10C feels a bit dry for some".

So comfortable, in terms of absolute water content in the air is dew point in the range from 10C to 16C (range comfortable minimum temperature of the night), and the absolute water content in the air will be changed from 10 g/m3up to 16 g/m3. All the above allows to generate requirements for the device to realize the natural way of cleaning the air.

The device must humidify the air to a dew point of 10C to 16C with simultaneous, the sink, then increase the temperature to the preset value in the range from 18C to 26C and, if necessary, to enrich it with oxygen. While the device in the operational mode to control the temperature, relative importance, and the oxygen content in the air at the inlet of the device and to maintain specified values of parameters of the air exiting from it.

To reproduce the natural process clear the air and when condensation is possible with the help of ultrasonic humidification, common and widely used at the present time.

Ultrasonic method of humidification is typically used for direct humidification using highly dispersed aerosol - cold vapor. From 1 ml. of water, the result is a spray containing up to 15 billion water particles (mist) of size less than 5 microns, with a total surface of about 12000 CVS (1,2 m). Due to the contact of air with a large surface water (water mist) most mechanical, biological and chemical contaminants contained in the air, wet coagulates (coarsens), is dissolved in the moisture and deposited from the air, as in a situation with falling dew at night.

In order to normalize the moisture it needs to produce limited - camera hydrate, at a known flow rate. Chamber volume humidification should be minimal on the basis primarily of layout solutions, the placement of the main elements of the device for humidifying air and structural elements for the sorption of contaminants from the air.

If humidification chamber which is supplied with water spray and air, at the bottom there is a large area of the sorbing surface (wet disks), for example, as in the classical (traditional) humidifier, almost all of the impurities contained in the air will be deposited on this surface is STI, will mocatta (stick to the disc surface) and will sink in water, in the pan.

Get washed air, with a relative humidity of about 100%, set temperature and dew point, you can use the heating/cooling to the desired temperature of the water sprayed into the device through the modules uuv and the same water, placed in the pan.

In large cities, low oxygen content in the air, in the air, it is necessary to add oxygen from oxygen concentrators. Oxygen from the hub will need to be submitted (to inject) to the input device. It is necessary to monitor the percentage of oxygen in the air and if the oxygen concentration at the inlet of the device will exceed the permissible (for example, 23%), oxygen from the concentrator should be stopped. To coordinate the work of all parts of such a device, you must supply a microprocessor control system.

The technical result of the proposed method and device is to create the most comfortable conditions in confined spaces.

The problem is solved and the technical result is achieved due to the fact that the method of cleaning and conditioning of the air in closed spaces, reproducing the natural process of air purification with the fall of dew, is that from the premises assign the boot is being emitted by contaminated air and direct it into the camera hydrate, where it removes impurities by processing air sprayed water, then washed the air return in the room, while the new is that the camera moisture sprayed water is fed in the form of a fine water spray predetermined temperature in the deposition from the air dew, with the resulting mixture is sent on the sorbent surface.

And the fact that the air output from the device is received with the specified dew point.

And the fact that the air outlet of the device are obtained from the set temperature.

And the fact that the air exiting the device receive a specified percentage of oxygen.

And the fact that the sorbent surface is made in the form of at least one porous disk and/or tray with water.

The problem is solved and the technical result is achieved due to the fact that the device for cleaning and conditioning of air in confined spaces includes a housing with Windows and air ducts to supply air into the room through the fan to blow air ultrasonic humidifier with capacity for storage and conditioning of water, while the new is that it has air conditioning for the heat treatment of the water, the camera humidification, absorption hydrated di the kami with the rotation drive and the installation lodgement, the tray with water and a heat exchanger for conditioning water, with a valve and a pump, with ultrasonic humidifiers are made with ejectors, facing the camera humidification.

And the fact that the conditioner for conditioning of water placed in a separate unit outside the room and through the inlet and outlet coolant pipes connected with the heat exchangers in the device.

And also because for monitoring and control process for cleaning and conditioning at the entrance to the unit is installed, the air temperature sensor and relative humidity sensor air.

And also because for monitoring and control process for cleaning and conditioning the output from the device is installed the air temperature sensor and relative humidity sensor air.

And the fact that for mode control applied to a microprocessor control unit and a display operatively associated with the fan, sensors, heat exchangers of air conditioners, valve actuators and pumps.

And the fact that under the tray has a storage tank for dirty water sensor filling, operatively associated with the microprocessor, remote control and display.

As well as that of the pallet dirty water is removed in the sanitary sewer pump device according to the signal d is tcheka filling of the pallet, operatively associated with the microprocessor.

And the fact that the external unit is also mounted unit membrane filters for air, enriched with oxygen and pump this air humidification device.

And the fact that the inlet device has a sensor of oxygen concentration in the air, which is operatively associated with the microprocessor, remote control and display.

And also the fact that in the catchment area, the height of human growth, installed additional units of sensors for measuring parameters of air, operatively associated with the microprocessor device.

The essence of the present invention and its advantages will become clearer from the following description of examples of its implementation with reference to the drawings, in which:

figure 1 shows the dependence of relative humidity on air temperature for different dew points;

2 and 3 the diagram of a device for cleaning and conditioning of air in a confined space in accordance with the invention;

As shown in figure 2, the intake from the room and exhausts it into the device is carried out by using 1 fan installed in the housing of the device 2, while, at the entrance to the device, using the appropriate sensors operatively associated with the microprocessor control is to be placed, is determined by the temperature, the relative humidity of the charge air. If the device contains an oxygen concentrator, then the input to the device, using the oxygen sensor is determined and the percentage of oxygen in the air.

In the upper part of the body 2 of the device are placed tank 3 with the heat exchanger 4 for the storage and conditioning of stock of clean water. Tap water used in the device, the pre-filtered: from mechanical dust from mineral salts, toxic gases and substances.

Lower tank 3 between the ducts of the air supply 5 to the premises are modules uuv 6 (see figure 3). Modules uuv 6 are arranged in such a way that the ejectors out of the camera humidification 7, where the process of humidification and air purification.

Water for wetting (spray with uuv 6, and in the pan to moisten the disks) is cooled/heated to a predetermined temperature by means of liquid (antifreeze)supplied from the outdoor unit 8. In the outdoor unit 8 installed outside (on the street, on the outer wall), is the conditioning 9 for thermal preparation of the fluid supplied to the heat exchangers 4 and 16. The value specified for the water temperature is calculated by the microprocessor according to the analysis of temperature and relative humidity without the ha, coming out of the device.

In the outer block are blocks of molecular membrane 10 to a vacuum pump and a fan for supplying air, oxygen-enriched, device cleaning and moisturizing, where this option is provided in the device. As shown in figure 2, the air with a high oxygen content from an external unit is blown into the device on the camera input moisture where it is mixed and moistened with the bulk of the processed air. The flow of this air is controlled by a sensor of oxygen concentration at the exit of the air from the device for preassigned value.

Further, during movement of air, are packages moisturizing disk 11 mounted on a common axis 12, on the lodgement 13. Packages moisturizing disks 11 have a large surface moisture exchange and are constantly wet, so mechanical, biological and chemical impurities contained in the air, wetted, loose static charge, coagulated, dissolved and deposited from the air on the surface of the disk 11. Packages of disks 11 are rotated by the actuator 14 and by rotating constantly soaked in water, poured in the tray 15. The water in the sump 15, through heat exchanger 16, is continuously cooled to a predetermined temperature. When wetting the disks 11 in the water pan is flush is their dirt from their surfaces. The mud washed away from the disks 11, naturally settles to the bottom of the tray and periodically, together with water through the valve 17 by a pump 18 is removed to the sanitary sewer or, depending on the configuration, capacity for storage of waste 19 with sensor filling. The cleaned air passes through the window 20, is placed in the plane perpendicular to the plane of rotation of the discs 11 and four ducts 5 is brought into the room. Depending on what cover 21 removed from the Windows 22, through these open air and will flow into the room. With the passage of the air through the ducts 5 are measured, with appropriate sensors, the temperature and relative humidity. The results of these measurements is calculated dew point in coming out of the device the air. If coming from the device the air exceeded the specified dew point, proportionally decreases the temperature of the discharge water from WOW and in the pan. For more precise control and maintain the parameters of the atmosphere in the entire volume of the serviced area, for example, hospital wards, blocks are used remote sensors for measuring parameters of air operatively associated with the microprocessor control device.

1. The method of cleaning and conditioning of the air in closed spaces, reproducing the natural process of air purification with the fall of dew, zakluchali the Xia is what premises divert polluted air and direct it into the camera moisture where it removes impurities by processing air sprayed water, then washed the air return in the room, characterized in that the camera moisture sprayed water is fed in the form of a fine water spray predetermined temperature in an amount necessary to drop out of the air, the dew, the obtained mixture is sent on the sorbent surface.

2. The method according to claim 1, characterized in that the air outlet of the device are obtained from the specified dew point.

3. The method according to claim 2, characterized in that the air outlet of the device are obtained from the set temperature.

4. The method according to claim 3, characterized in that the air outlet of the device receive a specified percentage of oxygen.

5. The method according to any one of claims 1 to 4, characterized in that the sorbent surface is made in the form of at least one porous disk and/or tray with water.

6. Device for cleaning and conditioning of the air in the closed space containing the case with Windows and air ducts to supply air into the room through the fan to blow air ultrasonic humidifier with capacity for storage and conditioning of water, characterized in that it is equipped with air conditioning for the terminology is eskay water treatment camera humidification, hydrated sorbent disks with rotation drive and the installation lodgement, the tray with water and a heat exchanger for conditioning water, with a valve and a pump, with ultrasonic humidifiers are made with ejectors, facing the camera humidification.

7. The device according to claim 6, characterized in that the air-conditioning of water placed in a separate unit outside the room and through the inlet and outlet coolant pipes connected with the heat exchangers in the device.

8. The device according to claim 6 or 7, characterized in that for monitoring and control process for cleaning and conditioning at the entrance to the unit is installed, the air temperature sensor and relative humidity sensor air.

9. The device according to claim 8, characterized in that for monitoring and control process for cleaning and conditioning the output from the device is installed the air temperature sensor and relative humidity sensor air.

10. The device according to claim 9, characterized in that the mode control applied to a microprocessor with a control panel and display, operatively associated with the fan, sensors, heat exchangers of air conditioners, valve actuators and pumps.

11. The device according to claim 10, characterized in that under the pallet ustanovlenytakie tank for dirty water sensor filling, operatively associated with the microprocessor, remote control and display.

12. The device according to claim 10, characterized in that from the tray of dirty water is removed in the sanitary sewer pump device according to the sensor signal content of the pallet, operatively associated with the microprocessor.

13. The device according to claim 10, wherein the external unit is also mounted unit membrane filters for air enriched with oxygen, and the supply pump of the air moistening device.

14. The device according to item 13, wherein the input device includes a probe concentration of oxygen in the air, which is operatively associated with the microprocessor, remote control and display.

15. The device according to 14, characterized in that service area at the height of human growth, installed additional units of sensors for measuring parameters of air, operatively associated with the microprocessor device.



 

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