CN213090059U - High-pollution air exhaust multi-measure sterilization system - Google Patents
High-pollution air exhaust multi-measure sterilization system Download PDFInfo
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- CN213090059U CN213090059U CN202021897864.5U CN202021897864U CN213090059U CN 213090059 U CN213090059 U CN 213090059U CN 202021897864 U CN202021897864 U CN 202021897864U CN 213090059 U CN213090059 U CN 213090059U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides a high pollution air exhaust multi-measure killing system, which comprises a pollution area negative pressure metal ventilation pipe, wherein any position on the pollution area negative pressure metal ventilation pipe is communicated with the inlet end of a high resistance area heat insulation insulating layer ventilation pipe, the outlet end of the high resistance area heat insulation insulating layer ventilation pipe is connected to the inlet end of an outdoor negative pressure metal ventilation pipe through an electric backflow prevention valve, and the outlet end of the outdoor negative pressure metal ventilation pipe is connected to an air suction port of a high-efficiency variable frequency fan; and a plurality of virus killing devices are sequentially arranged at the rear end of the variable-efficiency variable-frequency fan. The utility model discloses earlier carry out high temperature to the air that probably contains the virus in the high pollution building space and disappear through electric heating pipeline, the air drainage after rethread negative pressure pipeline disappears the high temperature disappears to outdoor multiple virus disappears and kills the device and carry out diversified thorough elimination to the air of introducing and kill, can thoroughly clear away the virus in the high pollution building space air.
Description
Technical Field
The utility model relates to a high pollution is aired exhaust many measures and is disappears and kill system belongs to the indoor environmental processing field.
Background
In 2020, new coronavirus has abused worldwide, and a large number of people infected with virus have moved about to be killed, so as to avoid further spreading of virus. Viruses are extremely prone to survive in cold, humid environments for long periods of time, particularly in tight underground spaces or above-ground spaces where external windows cannot be opened. How to ventilate the airtight building space and avoid secondary pollution caused by virus leakage becomes a difficult problem to be solved in the industry.
Because secondary pollution caused by virus leakage is worried about, an air conditioner and an exhaust system of the underground trading hall are in a stop state, and people directly enter the underground trading hall to kill the viruses with high difficulty and high danger. How to ventilate the closed space in the shortest time to remove viruses and polluted gas creates relatively safe working conditions for the entrance of the disinfection personnel, and becomes the urgent priority of the war.
Research shows that the virus can be transmitted in the form of aerosol, the diameter of the new coronavirus is 60-220 nm, the survival ability in a humid low-temperature environment is extremely strong, the difficulty is high and the cost is high when the new coronavirus is completely filtered by the conventional high-efficiency filter, the new coronavirus cannot be killed, and incomplete filtration or secondary transmission is easily caused. In addition, the air duct in the uncontaminated area before the filter is polluted by virus, and an effective disinfection means is also lacked.
In view of this, it is necessary to develop a high-pollution air-exhausting multi-measure sterilizing system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high pollution is aired exhaust and is taken precautions against system more, carries out the high temperature to the air that probably contains the virus in the contaminated building space through electric heating pipeline earlier and disappears and kills, and the air drainage after rethread negative pressure pipeline disappears and kills the high temperature is to outdoor airtight tuber pipe, lays multiple virus in proper order in airtight tuber pipe and disappears and kill the device and carry out diversified killing to the air of introducing, can thoroughly clear away the virus in the high pollution building space air.
In order to achieve the purpose, the utility model provides a high pollution is aired exhaust many measures and is eliminated system of killing, including pollution area negative pressure metal ventilation pipe, pollution area negative pressure metal ventilation pipe's at least one end is connected with the wind gap of taking the primary filter, and the optional position on it communicates to the entry end of high resistance area thermal insulation layer air pipe, the exit end of high resistance area thermal insulation layer air pipe is connected to the entry end of outdoor negative pressure metal ventilation pipe through electronic back flow prevention valve, the exit end of outdoor negative pressure metal ventilation pipe is connected to the extraction opening of high-efficient frequency conversion fan; and two ends of the high-resistance ventilating pipeline with the heat-insulating layer are electrically connected to a power supply.
Furthermore, the high-efficiency frequency conversion fan is sealed in the square air pipe, a high-temperature electric heating section is arranged in the square air pipe and is close to the high-efficiency frequency conversion fan, an airflow electric heater is arranged in the high-temperature electric heating section, and the airflow electric heater is suitable for heating airflow to be higher than 65 ℃.
Furthermore, an ultraviolet lamp dense array is arranged in the square air duct and is close to the high-temperature electric heating section, and the ultraviolet lamp dense array comprises a plurality of ultraviolet lamp rods which are arranged in a staggered mode and is used for carrying out dense ultraviolet sterilization on air flow from the high-temperature heating section.
Furthermore, a temperature layering flow guide device is arranged between the high-temperature electric heating section and the ultraviolet lamp dense array in the square air duct; the temperature layering flow guide device is used for realizing position replacement of upper and lower layers of airflow so as to eliminate wall-attached airflow and strengthen heat exchange, and prevent part of airflow from being heated to influence the killing effect.
Furthermore, the temperature layering flow guide device comprises an upper-layer high-temperature air guide pipe, a lower-layer low-temperature air guide pipe and a central compression air duct; wall attaching air flow at the lower part of the air duct is compressed by the lower-layer low-temperature air guide pipe through the reduced section of the air duct and then guided to a downstream high position, the wall attaching air flow at the upper part of the air duct is compressed and accelerated by the upper-layer high-temperature air guide pipe and then guided to a downstream low position, and the wall attaching air flow at two sides enters a central compressed air duct after being blocked and compressed by the inclined sections of the upper-layer high-temperature air guide pipe and the lower-layer low-temperature air guide pipe, so that the wall attaching air flow is eliminated and the heat exchange is.
Furthermore, an electric backflow prevention valve is arranged at the joint of the high-resistance ventilation pipeline with the heat-insulating layer and the outdoor negative-pressure metal ventilation pipeline, and the electric backflow prevention valve is suitable for being closed in a linkage manner when the high-efficiency variable-frequency fan is shut down so as to effectively prevent airflow from flowing backwards into the high-resistance ventilation pipeline with the heat-insulating layer from the outdoor negative-pressure metal ventilation pipeline.
Further, on the outdoor negative pressure metal ventilation pipe with near the junction of high resistance area thermal insulation insulating layer air pipe is connected with electronic pressure measurement relief valve for measure the atmospheric pressure in the outdoor negative pressure metal ventilation pipe, when positive pressure appears in the outdoor negative pressure metal ventilation pipe, electronic pressure measurement relief valve is opened and is carried out the pressure release, prevents that the air current from following outdoor negative pressure metal ventilation pipe flows into high resistance area thermal insulation insulating layer air pipe backward.
Furthermore, a temperature control module is arranged on the high-resistance heat-insulation-layer ventilating duct and comprises a first controller and a temperature sensor arranged on the inner wall of the high-resistance heat-insulation-layer ventilating duct; the first controller is internally pre-stored with preset temperature, and is suitable for controlling the on-off of the power supply according to the comparison result of the real-time detection value of the temperature sensor and the preset temperature value so as to maintain the temperature of the high-resistance heat-insulation insulating layer ventilation pipeline within the preset temperature range.
Further, a building space negative pressure monitoring device is arranged in the polluted building space, and comprises a second controller and an air pressure sensor; the second controller is pre-stored with preset air pressure and is suitable for adjusting the rotating speed of the high-efficiency variable frequency fan according to the comparison result of the real-time detection value of the air pressure sensor and the preset air pressure value so as to maintain the air pressure in the polluted building space within the preset air pressure range.
Through the technical scheme, the utility model discloses following beneficial effect can be realized at least:
1. the air pipe in the non-polluted area can be sterilized. The air pipe in the uncontaminated area can be sterilized and killed by the high-resistance ventilating pipe with the heat-insulating layer, the first electrode contact of the current heating and sterilizing device and the second electrode contact of the current heating and sterilizing device. Specifically, an alternating current power supply in a building is respectively connected with a first electrode contact of the current heating and disinfecting device and a second electrode contact of the current heating and disinfecting device to form a power-on loop with the high-resistance heat-insulation-layer ventilating duct, the temperature of the heating inner wall of the high-resistance heat-insulation-layer ventilating duct is increased to be above 60 ℃ after the high-resistance heat-insulation-layer ventilating duct is powered on, and the temperature of 60-100 ℃ is continuously kept for 30 minutes under the control of the temperature control module, so that high-temperature killing of viruses adsorbed on the surface of the high-resistance heat-insulation.
2. Is provided with a high-temperature electric heating section. Related studies indicate that viruses are difficult to survive in high temperature environments. The utility model discloses be equipped with high temperature electrical heating section, can heat the air current, the temperature on air current electric heater's in the high temperature electrical heating section electrical heating stick surface can be up to hundreds of degrees centigrade, can kill the virus in the middle of with its direct contact's air current in the twinkling of an eye to heat the whole temperature of air current to more than 65 ℃. After the air flow is heated, the relative humidity is greatly reduced, and the chlorine-containing disinfection liquid drops in the air flow are further volatilized and gasified at high temperature. The relative humidity of the airflow is greatly reduced, so that the subsequent filtration treatment is facilitated. In addition, because the survival time of the virus is obviously shortened at the high temperature of more than 65 ℃, the risk of the virus remaining in the airflow is further reduced after the virus is heated by the high-temperature electric heating section.
3. A temperature layering flow guide device is arranged. The lower-layer low-temperature air flow enters the lower-layer low-temperature air guide pipe and then flows out of the temperature layering flow guide device from the upper part, and the upper-layer high-temperature air flow passes through the upper-layer high-temperature air guide pipe and then flows out of the temperature layering flow guide device from the lower part, so that the upper-layer air flow and the lower-layer air flow enter the ultraviolet lamp intensive array for killing after the upper-layer air flow and the lower-layer air flow are internally replaced and replaced in the temperature layering flow guide device, and the condition that. In addition, the air current at wind channel center receives the separation of the slant section of upper high temperature guide duct and lower floor's low temperature guide duct, after the compression, form the vortex, later get into narrow and small central compression wind channel, the wind speed improves, further aggravate the vortex, the vortex of air current can aggravate the air current at wind channel center and pass through the heat transfer of guide duct wall and upper high temperature guide duct and lower floor's low temperature guide duct for the air current of lower floor in the wind channel, the temperature of upper air current and central air current is closer. And the killing effect of the airflow with the vortex when flowing to the ultraviolet lamp dense array is better than the laminar flow effect. Due to the problem of the installation process, gaps can not be avoided between the heating device and the square air pipe or between the ultraviolet lamp dense array and the square air pipe. The air is a fluid and has certain viscosity, and the air has wall attaching airflow attached to the wall surface of the air pipe at the position contacted with the wall surface of the air pipe, and the wall attaching airflow has low flow rate and is easy to pass through a gap between the heating device and the wall surface of the square air pipe or between the ultraviolet lamp dense array and the wall surface of the square air pipe. This allows the coanda airflow to readily pass from the slot to the next process section without passing through a heating device or a dense array of ultraviolet lamps. This is unacceptable in systems that handle high risk viruses. The lower part of the air duct is compressed by the lower layer low-temperature air guide pipe through the reduction of the section of the air duct and then guided to the high position of the lower reaches, the upper part of the air duct is compressed and accelerated by the upper layer high-temperature air guide pipe and then guided to the low position of the lower reaches, and the wall-attached air flows at two sides enter the central compression air duct after being blocked and compressed by the inclined sections of the upper layer high-temperature air guide pipe and the lower layer low-temperature air guide pipe. Therefore, the wall attaching air flows on the four sides of the square air pipe are guided and compressed to form air flows without the wall attaching air flows and then are sent to the downstream, and the condition that the wall attaching air flows through gaps between the heating device and the square air pipe or gaps between the ultraviolet lamp dense array and the square air pipe and are not effectively disinfected is avoided. Because the upper-layer high-temperature air guide pipe, the lower-layer low-temperature air guide pipe and the central compression air channel are all provided with the structure that the cross sections of the air pipes are suddenly reduced, the air flow flowing through the upper-layer high-temperature air guide pipe, the lower-layer low-temperature air guide pipe and the central compression air channel can be compressed and accelerated and then is sprayed out at a high speed from the minimum cross section, and therefore the wall attachment air flow is eliminated. When the high-speed air flow is sprayed to the ultraviolet lamp dense array, serious vortex can be formed, and the killing effect is enhanced.
4. And a dense array of ultraviolet lamps is arranged. Ultraviolet lamp bars in the ultraviolet lamp dense array are arranged in a staggered mode, and dense ultraviolet rays are eliminated and killed in passing air flow. And the ultraviolet lamp rod adopts a high-power lamp rod, has a certain heating capacity while the ultraviolet emission power is strong, and can continuously maintain or improve the temperature of the air flow. The ozone generated by the high-power ultraviolet lamp ionizing the air can further kill viruses in the air flow and is beneficial to decomposing harmful substances in the air flow.
5. Is provided with a high-efficiency variable frequency fan. The rotating speed of the high-efficiency variable frequency fan can be adjusted according to the detected air quality of the polluted building space, so that the treatment air volume is changed, the air flow treatment effect is ensured, the treatment effect is not influenced by overlarge treatment air flow, the treatment air volume can be increased at proper time, and the ventilation efficiency is improved.
6. The system is provided with an air quality monitoring device and a building space negative pressure monitoring device, so that the air quality and the negative pressure condition in the polluted building space can be monitored in real time, equipment in the system is adjusted, the negative pressure in the polluted building space is ensured, and toxic and harmful gases are prevented from leaking.
Drawings
Fig. 1 is a plan layout view of an embodiment of the high-pollution air-exhaust multi-measure killing system of the utility model.
FIG. 2 is a right sectional view of a layered temperature diversion device in an embodiment of the high-pollution exhaust multi-measure killing system of the present invention;
FIG. 3 is a side sectional view of the layered temperature diversion device in an embodiment of the multi-measure high-pollution air-exhaust disinfecting and killing system of the present invention;
FIG. 4 is a top view of a layered temperature diversion device in an embodiment of the high-pollution air-exhaust multi-measure killing system of the present invention;
FIG. 5 is a right sectional view of an upper high temperature air duct of the layered temperature guiding device in an embodiment of the multi-measure disinfecting and sterilizing system for high pollution air discharge of the present invention;
FIG. 6 is a side view of a high-temperature air duct of an upper-layer layered flow guiding device in an embodiment of the high-pollution air-discharging multi-measure killing system of the present invention;
FIG. 7 is a top sectional view of an upper high temperature air duct of the layered temperature guiding device in an embodiment of the multi-measure disinfecting and sterilizing system for high pollution air discharge of the present invention;
FIG. 8 is a right sectional view of a lower-layer low-temperature air guiding duct of a layered temperature guiding device in an embodiment of the multi-measure highly polluted air-discharging disinfecting and killing system of the present invention;
FIG. 9 is a side view of a lower-layer low-temperature air guiding pipe of the layered temperature guiding device in an embodiment of the multi-measure high-pollution air-discharge disinfecting and killing system of the present invention;
fig. 10 is a top sectional view of the lower layer low temperature air guiding pipe of the layered temperature guiding device in one embodiment of the multi-measure disinfecting and killing system for high pollution exhaust of the present invention.
In the figure, a contaminated building space a; a non-contaminated area B; negative pressure metal ventilation pipe 2 in the polluted area; an air port 3 with a primary filter; a high-resistance ventilation duct 4 with a heat-insulating layer; a current heating disinfection device first electrode contact 5; a current heating disinfection device second electrode contact 6; an electric backflow prevention valve 7; an electric pressure measuring and relieving valve 8; an outdoor negative pressure metal ventilation pipe 9; a high-efficiency variable-frequency fan 10; a high temperature electrical heating section 13; a dense array of ultraviolet lamps 15; an air quality monitoring device 26; building space negative pressure monitoring devices 28; a temperature control module 29; a square wind pipe 30; a temperature stratification flow guide device 32; an upper high-temperature air duct 32-1; a lower low-temperature air guide pipe 32-2; the oblique section 32-2-1; a central compression tunnel 32-3.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the drawings and specific embodiments so that those skilled in the art can practice the invention.
As shown in fig. 1, the utility model discloses an embodiment of a high-pollution air exhaust multi-measure killing system, including pollution area negative pressure metal ventilation pipe 2, at least one end of pollution area negative pressure metal ventilation pipe 2 is connected with wind gap 3 with the primary filter, and the optional position on it communicates to the entry end of high resistance area heat insulation insulating layer ventilation pipe 4, the exit end of high resistance area heat insulation insulating layer ventilation pipe 4 is connected to the entry end of outdoor negative pressure metal ventilation pipe 9 through electronic back flow prevention valve 7, the exit end of outdoor negative pressure metal ventilation pipe 9 is connected to the extraction opening of high-efficient variable frequency fan 10; both ends of the high-resistance heat-insulating layer ventilation duct 4 are electrically connected to a power supply. In the figure 1, the two ends of the negative pressure metal ventilation pipe 2 in the pollution area are connected with air ports 3 with primary filters, the middle pipe wall of the negative pressure metal ventilation pipe 2 in the pollution area is communicated with the inlet end of the ventilation pipe 4 with the high-resistance heat-insulation insulating layer, and the joint is sealed to prevent gas leakage, so that a closed airflow passage is formed between the negative pressure metal ventilation pipe 2 in the pollution area and the ventilation pipe 4 with the high-resistance heat-insulation insulating layer.
The negative pressure metal ventilation pipe 2 in the pollution area is arranged at the high position of the pollution area, and air polluted by virus is discharged into the negative pressure metal ventilation pipe 2 in the pollution area from the air port 3 with the primary filter and then enters the ventilation pipe 4 with the high resistance and the heat insulation layer. A building space negative pressure monitoring device 28 is arranged in the polluted building space A, and the building space negative pressure monitoring device 28 comprises a second controller and a gas pressure sensor; the second controller is pre-stored with a preset air pressure, and is adapted to adjust the rotation speed of the high-efficiency variable frequency fan 10 according to the comparison result between the real-time detection value of the air pressure sensor and the preset air pressure value, so as to maintain the air pressure in the polluted building space a within the preset air pressure range. When the building space negative pressure monitoring device 28 monitors that the negative pressure in the polluted building space a does not reach the standard, that is, is higher than the preset air pressure value, the rotating speed of the high-efficiency variable-frequency fan 10 is increased, the air discharge amount is increased, the negative pressure in the polluted building space a is maintained, and the air in the polluted building space a is prevented from leaking. The negative pressure metal ventilation pipe 2 and the ventilation pipe 4 with the high resistance and the heat insulation layer in the pollution area keep the negative pressure in the pipe under the action of the high-efficiency variable frequency fan 10. The tuyere 3 with the primary filter is a tuyere provided with a primary filter or a filter screen. The high-resistance ventilating duct 4 with the heat-insulating layer is made of an austenite stainless steel pipe or other metal materials with high resistance, and the heat-insulating layer is wrapped outside the ventilating duct to prevent electric leakage and reduce heat loss during power-on. The two ends of the high-resistance heat-insulation insulating layer ventilation pipeline 4 are respectively connected with a first electrode contact 5 and a second electrode contact 6 of the current heating disinfection device, a live wire and a zero wire of a power supply of 380V or more are connected on the two electrodes to form a conductive path with the high-resistance heat-insulation insulating layer ventilation pipeline 4, and the high-resistance heat-insulation insulating layer ventilation pipeline 4 generates heat and the temperature rises during electrification. The first electrode contact 5 and the second electrode contact 6 of the current heating and disinfecting device are copper wiring terminals with protective covers, one end of each wiring terminal is connected with the ventilation pipeline 4 with the high-resistance heat-insulation insulating layer, and the other end of each wiring terminal is connected with a power supply. The ventilation pipeline 4 with the high-resistance heat-insulation insulating layer is provided with a temperature control module 29, and the temperature control module 29 comprises a first controller and a temperature sensor arranged on the inner wall of the ventilation pipeline 4 with the high-resistance heat-insulation insulating layer; the first controller is pre-stored with a preset temperature, and is suitable for controlling the on-off of the power supply according to the comparison result of the real-time detection value of the temperature sensor and the preset value, so as to maintain the temperature of the high-resistance heat-insulating-layer ventilation pipe 4 within the preset temperature range. The ventilation pipeline 4 with the high-resistance heat-insulation insulating layer generates heat after being electrified, the temperature of the inner wall is raised to be more than 60 ℃, and the temperature of 60-100 ℃ is continuously kept for 30 minutes under the control of the temperature control module 29, so that the high-temperature killing of the viruses adsorbed on the surface of the ventilation pipeline 4 with the high-resistance heat-insulation insulating layer can be realized. The electric backflow preventing valve 7 is arranged at the joint of the high-resistance ventilating pipeline 4 with the heat-insulating layer and the outdoor negative-pressure metal ventilating pipe 9. When the high-efficiency variable-frequency fan 10 is suddenly stopped in the high-speed operation process, the airflow pressure of the outdoor negative-pressure metal ventilation pipe 9 fluctuates, which may cause the airflow to flow backwards instantly and flow back into the high-resistance heat-insulation-layer ventilation pipe 4 from the outdoor negative-pressure metal ventilation pipe 9, so that the positive air pressure in the high-resistance heat-insulation-layer ventilation pipe 4 relative to the non-contaminated building space is formed instantly, which easily causes toxic and harmful substances such as viruses in the high-resistance heat-insulation-layer ventilation pipe 4 to diffuse out of the pipe from the inside of the pipe, thereby causing the contamination of the non-contaminated area B. Therefore, the electric backflow prevention valve 7 is arranged at the joint of the high-resistance ventilating duct 4 with the heat-insulating layer and the outdoor negative-pressure metal ventilating duct 9, and the electric backflow prevention valve 7 is closed in a linkage manner when the high-efficiency variable-frequency fan 10 stops, so that backflow is effectively prevented. In addition, an electric pressure-measuring pressure-releasing valve 8 is connected to the vicinity of the joint of the outdoor negative-pressure metal ventilation pipe 9 and the high-resistance heat-insulating layer ventilation pipe 4 and is used for measuring the air pressure in the outdoor negative-pressure metal ventilation pipe 9, and when positive pressure occurs in the outdoor negative-pressure metal ventilation pipe 9 and there is a risk that airflow flows backwards into the high-resistance heat-insulating layer ventilation pipe 4, the electric pressure-measuring pressure-releasing valve 8 is opened to release the pressure, so that the airflow is prevented from flowing backwards.
The utility model discloses an embodiment of high pollution is aired exhaust many measures and is disappears system of killing, high-efficient frequency conversion fan 10 is sealed in square air pipe 30, the next-door neighbour in the square air pipe 30 high-efficient frequency conversion fan 10 is equipped with high temperature electrical heating section 13, be equipped with airflow electric heater in the high temperature electrical heating section 13, airflow electric heater is suitable for and heats the air current to more than 65 ℃. After the airflow is heated, the relative humidity is greatly reduced. And at high temperature, the tiny droplets of the chlorine-containing disinfection solution in the air flow are further heated and gasified. In addition, the relative humidity of the airflow is greatly reduced, so that the next filtering treatment is facilitated. Meanwhile, because the survival time of the virus is obviously shortened at the high temperature of more than 65 ℃, the risk of virus remaining in the air flow is further reduced after the virus is heated by the high-temperature electric heating section 13. Moreover, the surface temperature of the electric heating rod of the airflow electric heater in the high-temperature electric heating section 13 can reach hundreds of degrees centigrade, and the electric heating rod has instant disinfection and killing effects on viruses in the airflow directly contacting with the electric heating rod.
The utility model discloses an embodiment of the high pollution many measures of airing exhaust system of killing, the next-door neighbour in the square duct 30 high temperature electric heating section 13 is equipped with the intensive array 15 of ultraviolet lamp, the intensive array 15 of ultraviolet lamp includes a plurality of ultraviolet lamp sticks of crisscross arrangement, is used for to coming from the air current of high temperature electric heating section 13 carries out intensive ultraviolet and kills. The ultraviolet lamp rod adopts a high-power lamp rod, has high ultraviolet emission power and certain heating capacity, and can continuously maintain or improve the temperature of the air flow.
In an embodiment of the high-pollution air-exhaust multi-measure killing system of the present invention, a temperature layered flow guiding device 32 is disposed in the square air duct 30 between the high-temperature electric heating section 13 and the intensive array 15 of ultraviolet lamps. As shown in fig. 2-10, arrows indicate the flowing direction of the air flow, and the temperature stratification air guiding device 32 includes an upper-layer high-temperature air guiding pipe 32-1, a lower-layer low-temperature air guiding pipe 32-2 and a central compressed air duct 32-3; the lower-layer low-temperature air flow flows out from the upper part after entering the lower-layer low-temperature air guide pipe 32-2, and the upper-layer high-temperature air flow flows out from the lower part after passing through the upper-layer high-temperature air guide pipe 32-1, so that the upper-layer air flow and the lower-layer air flow enter the ultraviolet lamp dense array 15 for killing after the upper-layer air flow and the lower-layer air flow are internally replaced in the temperature layering air guide device 32, and the condition that the temperature of the lower-layer air flow does not reach.
The air flow in the center of the air channel is separated and compressed by the inclined sections 32-2-1 of the upper high-temperature air guide pipe 32-1 and the lower low-temperature air guide pipe 32-2 to form a vortex, then the vortex enters the narrow central compressed air channel 32-3, the air speed is increased, the vortex is further intensified, the vortex can intensify the heat exchange of the air flow in the center of the air channel with the upper high-temperature air guide pipe 32-1 and the lower low-temperature air guide pipe 32-2 through the wall surfaces of the air guide pipes, and the temperatures of the lower air flow, the upper air flow and the central air flow in the air channel are closer. And the killing effect of the airflow with the vortex when flowing to the ultraviolet lamp dense array 15 is better than the laminar flow effect.
Due to the installation process problem, gaps inevitably exist between the heating device in the high-temperature electric heating section 13 and the square air duct 30 or between the ultraviolet lamp dense array 15 and the square air duct 30. The air is a fluid and has certain viscosity, and the air has wall-attached airflow attached to the wall surface at the position contacted with the inner wall of the square air duct 30, so that the wall-attached airflow has low flow rate and is easy to pass through a gap between the heating device and the square air duct 30 or between the ultraviolet lamp dense array 15 and the square air duct 30. This allows the coanda airflow to be readily passed from the slot to the next treatment section without passing through a heating device or a dense array of ultraviolet lamps 15. This is unacceptable in systems that handle high risk viruses. Wall attaching airflow at the lower part of the air duct is compressed by the reduced section of the air duct and then guided to a high position at the lower part through the lower-layer low-temperature air guide pipe 32-2, wall attaching airflow at the upper part of the air duct is compressed and accelerated by the upper-layer high-temperature air guide pipe 32-1 and then guided to a low position at the lower part, and wall attaching airflow at two sides enters the central compressed air duct 32-3 after being blocked and compressed by the upper-layer high-temperature air guide pipe 32-1 and the inclined section 32-2-1 of the lower-layer low-temperature air guide pipe 32-2. In this way, the coanda airflow of the four walls of the square air duct 30 is guided and compressed to form airflow without coanda airflow and then sent to downstream, so that the condition that the coanda airflow passes through the gap between the heating device and the square air duct 30 or the gap between the ultraviolet lamp dense array 15 and the square air duct 30 and is not effectively sterilized is avoided.
Because the upper-layer high-temperature air guide pipe 32-1, the lower-layer low-temperature air guide pipe 32-2 and the central compressed air duct 32-3 are all provided with the structure that the cross sections of the air ducts are suddenly reduced, the air flow passing through the upper-layer high-temperature air guide pipe 32-1, the lower-layer low-temperature air guide pipe 32-2 and the central compressed air duct 32-3 can be compressed and accelerated and then is ejected out from the minimum cross section at a high speed, and therefore wall-attached air flow is eliminated. When the high-speed airflow is sprayed to the ultraviolet lamp dense array 15, strong vortex can be formed, and the killing effect is enhanced. The temperature stratification guide device 32 eliminates the coanda airflow of all four walls of the square duct 30, and has great significance in preventing the coanda airflow and viruses possibly existing in the coanda airflow from entering the next section through gaps.
The utility model discloses in an embodiment of the high pollution many measures of airing exhaust system of killing, be equipped with air quality monitoring devices 26 in the polluted building space A, air quality monitoring devices 26 includes third controller and air quality sensor, there is the air quality parameter default in the third controller in advance, it is suitable for the basis air quality sensor's real-time detection value with the comparative result of air quality parameter default is opened and close electronic backflow valve 7, high-efficient frequency conversion fan 10 etc. kill or stop the work of killing.
The utility model discloses the working process of an embodiment of high pollution many measures of airing exhaust system of killing can go on according to following step: (1) monitoring the air quality in the building space polluted by the virus in real time, if the air quality does not reach the standard, conducting the air in the building space polluted by the virus to an outdoor square air pipe 30 through a negative pressure metal ventilation pipe 2 in a polluted area, a ventilation pipe 4 with a high-resistance heat-insulation insulating layer and an outdoor negative pressure metal ventilation pipe 9 in sequence, and electrifying and heating the ventilation pipe 4 with the high-resistance heat-insulation insulating layer to kill the virus attached to the pipe wall at high temperature; arranging a high-efficiency variable frequency fan 10 in the square air pipe 30, and connecting the outlet end of the outdoor negative-pressure metal ventilation pipe 9 to an air suction port of the high-efficiency variable frequency fan 10 to generate negative pressure on a drainage pipeline; an electric backflow prevention valve 7 is arranged at the joint of the high-resistance ventilating duct 4 with the heat-insulating layer and the outdoor negative-pressure metal ventilating duct 9, and when the high-efficiency variable-frequency fan 10 is stopped, the electric backflow prevention valve 7 is automatically closed so as to effectively prevent airflow from flowing backwards into the high-resistance ventilating duct 4 with the heat-insulating layer from the outdoor negative-pressure metal ventilating duct 9; an electric pressure measuring and relieving valve 8 is connected to the vicinity of the connection part of the outdoor negative pressure metal ventilation pipe 9 and the high-resistance heat insulation insulating layer ventilation pipe 4 and is used for measuring the air pressure in the outdoor negative pressure metal ventilation pipe 9, when positive pressure occurs in the outdoor negative pressure metal ventilation pipe 9, the electric pressure measuring and relieving valve 8 is opened for pressure relief, and airflow is prevented from flowing backwards into the high-resistance heat insulation insulating layer ventilation pipe 4 from the outdoor negative pressure metal ventilation pipe 9; (2) at least one of the following disinfecting and killing treatment modes is carried out on the air flow flowing through the square air pipe 30: high-temperature electric heating sterilization and ultraviolet sterilization.
The utility model relates to a control software adopts prior art.
Having shown and described the basic principles, essential features and advantages of the invention, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can modify or modify the technical content disclosed above to equivalent embodiments without departing from the technical scope of the present invention, but all the simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the technical scope of the present invention.
Claims (5)
1. The high-pollution air exhaust multi-measure killing system is characterized by comprising a pollution area negative-pressure metal ventilation pipe (2), wherein at least one end of the pollution area negative-pressure metal ventilation pipe (2) is connected with an air port (3) with a primary filter, any position on the pollution area negative-pressure metal ventilation pipe is communicated with the inlet end of a high-resistance area heat-insulation-layer ventilation pipe (4), the outlet end of the high-resistance area heat-insulation-layer ventilation pipe (4) is connected to the inlet end of an outdoor negative-pressure metal ventilation pipe (9) through an electric backflow prevention valve (7), and the outlet end of the outdoor negative-pressure metal ventilation pipe (9) is connected to an air suction port of a high-efficiency; both ends of the high-resistance ventilating duct (4) with the heat-insulating layer are electrically connected to a power supply;
the high-efficiency frequency conversion fan (10) is sealed in a square air pipe (30), a high-temperature electric heating section (13) is arranged in the square air pipe (30) and is close to the high-efficiency frequency conversion fan (10), an airflow electric heater is arranged in the high-temperature electric heating section (13), and the airflow electric heater is suitable for heating airflow to be higher than 65 ℃;
an ultraviolet lamp dense array (15) is arranged in the square air pipe (30) and is close to the high-temperature electric heating section (13), the ultraviolet lamp dense array (15) comprises a plurality of ultraviolet lamp rods which are arranged in a staggered mode and used for carrying out dense ultraviolet sterilization and killing on air flow from the high-temperature electric heating section (13);
a temperature layering flow guide device (32) is arranged in the square air pipe (30) between the high-temperature electric heating section (13) and the ultraviolet lamp dense array (15); the temperature layering flow guide device (32) is used for realizing position replacement of upper and lower layers of airflow so as to eliminate wall-attached airflow and strengthen heat exchange and avoid that part of the airflow is not heated to influence the killing effect;
the temperature layering flow guide device (32) comprises an upper-layer high-temperature air guide pipe (32-1), a lower-layer low-temperature air guide pipe (32-2) and a central compression air duct (32-3); wall attaching air flow at the lower part of the air duct is compressed by the lower-layer low-temperature air guide pipe (32-2) through the reduction of the section of the air duct and then guided to a downstream high position, the wall attaching air flow at the upper part of the air duct is compressed and accelerated by the upper-layer high-temperature air guide pipe (32-1) and then guided to a downstream low position, and the wall attaching air flow at two sides is blocked and compressed by the inclined sections (32-2-1) of the upper-layer high-temperature air guide pipe (32-1) and the lower-layer low-temperature air guide pipe (32-2) and then enters the central compressed air duct (32-3), so that the wall attaching air flow is eliminated and the heat.
2. The high-pollution exhaust multi-measure killing system according to claim 1, wherein an electric backflow prevention valve (7) is arranged at the joint of the high-resistance ventilation duct (4) with the heat-insulating layer and the outdoor negative-pressure metal ventilation duct (9), and the electric backflow prevention valve (7) is suitable for being closed in a linkage manner when the high-efficiency variable-frequency fan (10) is shut down, so that airflow is effectively prevented from flowing back into the high-resistance ventilation duct (4) with the heat-insulating layer from the outdoor negative-pressure metal ventilation duct (9).
3. The high-pollution exhaust multi-measure killing system according to claim 2, wherein an electric pressure-measuring relief valve (8) is connected to the outdoor negative-pressure metal ventilation pipe (9) near the joint with the high-resistance heat-insulation-layer-area ventilation pipe (4) for measuring the air pressure in the outdoor negative-pressure metal ventilation pipe (9), and when positive pressure occurs in the outdoor negative-pressure metal ventilation pipe (9), the electric pressure-measuring relief valve (8) is opened for pressure relief, so that air flow is prevented from flowing back into the high-resistance heat-insulation-layer-area ventilation pipe (4) from the outdoor negative-pressure metal ventilation pipe (9).
4. The high-pollution air exhaust multi-measure killing system according to claim 3, wherein a temperature control module (29) is arranged on the high-resistance air conduit (4) with the heat-insulating layer, and the temperature control module (29) comprises a first controller and a temperature sensor arranged on the inner wall of the high-resistance air conduit (4) with the heat-insulating layer; the first controller is internally pre-stored with preset temperature, and is suitable for controlling the on-off of the power supply according to the comparison result of the real-time detection value of the temperature sensor and the preset temperature value so as to maintain the temperature of the high-resistance heat-insulation insulating layer ventilation pipeline (4) within a preset temperature range.
5. The high-pollution air-discharge multi-measure sterilizing system according to claim 4, wherein a building space negative pressure monitoring device (28) is arranged in the polluted building space, and the building space negative pressure monitoring device (28) comprises a second controller and an air pressure sensor; the second controller is pre-stored with preset air pressure and is suitable for adjusting the rotating speed of the high-efficiency variable frequency fan (10) according to the comparison result of the real-time detection value of the air pressure sensor and the preset air pressure value so as to maintain the air pressure in the polluted building space within a preset air pressure range.
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| CN111878927A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | Air exhaust, disinfection and purification system and method for high-pollution building space |
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| CN111878932A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | High-pollution building space air exhaust multi-flow comprehensive killing system and method |
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