CN111715056A - Special multi-effect fresh air purification device for cultivation and control method thereof - Google Patents
Special multi-effect fresh air purification device for cultivation and control method thereof Download PDFInfo
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- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
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- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/54—Nitrogen compounds
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- 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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Abstract
The invention discloses a special multi-effect fresh air purification device for breeding and a control method thereof, wherein the special multi-effect fresh air purification device comprises an air filtration module, a spray purification module, an exhaust treatment module and a control module, wherein the air filtration module conveys filtered air into a poultry house through an air supply pipeline; the spray purification module conveys a purifying agent to an atomization nozzle arranged in the poultry house through a high-pressure pipeline to purify air; the exhaust treatment module is used for treating and then discharging gas discharged from the poultry house; the air exhaust processing module is arranged at an air exhaust opening outside the poultry house; the air filtering module, the spraying purification module, the exhaust processing module and the control module are electrically connected. The invention purifies the waste gas in the field of livestock and poultry breeding, and has strong functionality; the purification effect is comprehensive, the aims of dust removal, sterilization and odor removal can be achieved simultaneously, and the dust and the waste gas inside and outside the breeding plant room can be efficiently purified; the purification area is wide, and the polluted gas inside and outside the poultry house can be circularly treated.
Description
Technical Field
The invention relates to a fresh air purification device and a control method, in particular to a special multi-effect fresh air purification device for cultivation and a control method thereof.
Background
A large amount of waste gas containing particle pollutants and odor components is discharged in the processes of agricultural production activities and livestock and poultry breeding. In europe, exhaust gas generated by intensive poultry and pig breeding accounts for 50% and 30% of the total particulate matter emission, respectively, but the exhaust gas is sufficiently purified and then emitted with little influence on air quality. In China, although the exhaust emission of livestock and poultry breeding exhaust only accounts for 8% of the total emission of PM10 and 4% of the total emission of PM2.5, the exhaust emission is directly emitted without purification treatment due to complex components, so that the exhaust emission is considered to have serious influence on the air quality of livestock and poultry breeding industrial places and surrounding areas, and is one of important causes of frequent haze weather in northern China.
The waste gas of the culture system has the characteristics of large air volume change, wide generated area source, complex components, large odor, serious air pollution influence and the like. But the application rate of the waste gas purification system in the field of agricultural incubation and cultivation at the present stage is not high; the system is unreasonable in installation mode, is generally directly and independently installed at the tail end of a ventilation system, and mostly adopts a treatment method of industrial waste gas; the waste gas purification pertinence is not strong, and the purification effect is not good; meanwhile, the air in the poultry breeding house cannot be purified, and the breeding environment cannot be improved. Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a special multi-effect fresh air purification device for breeding and a control method thereof.
The technical scheme adopted by the invention for solving the technical problems is to provide a special multi-effect fresh air purification device for cultivation, which comprises an air filtration module, a spray purification module, an exhaust treatment module and a control module, wherein the air filtration module conveys filtered air into a poultry house through an air supply pipeline; the spray purification module conveys a purifying agent to an atomization nozzle arranged in the poultry house through a high-pressure pipeline to purify air; the exhaust treatment module is used for treating and then discharging gas discharged from the poultry house; the air exhaust processing module is arranged at an air exhaust opening outside the poultry house; the air filtering module, the spraying purification module, the exhaust processing module and the control module are electrically connected.
Further, the air filtering module conveys the filtered air to a cloth bag air pipe of the poultry house through an air supply pipeline; the bag air pipes are arranged in multiple groups, the multiple groups of bag air pipes are uniformly arranged at the top in the poultry house, the bag air pipes are connected with a plurality of atomizing nozzles, and the plurality of atomizing nozzles are uniformly distributed on the bag air pipes; the spray purification module conveys a purifying agent to the atomizing nozzle through a high-pressure pipeline to be sprayed out, and filtered air enters the poultry house through an air outlet of the cloth bag air pipe.
Furthermore, the spray purification module is arranged in a purification room of the air inlet cabinet body; the spray purification module comprises a purifying agent tank and an automatic liquid adding device, and the automatic liquid adding device is connected to the purifying agent tank and automatically extracts the purifying agent from the purifying agent tank; the automatic liquid adding device also comprises a flow equalizing plate and a booster pump, wherein the automatic liquid adding device divides the extracted purifying agent by the flow equalizing plate and then conveys the purifying agent to an atomizing nozzle through a high-pressure pipeline by the booster pump, the atomizing nozzle is a rotational flow atomizing nozzle, and the purifying agent forms spray and is sprayed out after rotating at a high speed by the atomizing nozzle; the automatic liquid adding device is electrically connected with the control module.
Further, the automatic liquid adding device is connected with a gas concentration monitor, the gas concentration monitor is electrically connected with the control module, and the gas concentration monitor is connected with a plurality of gas concentration sensors; the gas concentration sensors are arranged in the poultry house, detect the concentrations of pollutant dust, hydrogen sulfide and ammonia gas in the poultry house and transmit the detection results to the gas concentration monitor; the gas concentration monitor sends the obtained detection value of the gas concentration sensor to the control module, and the control module controls the automatic liquid adding device to adjust the liquid adding amount of the purifying agent according to the comparison result of the gas concentration detection value and the set concentration value.
Furthermore, the air filtering module is arranged in an air filtering room of the air inlet cabinet body, the air supply pipeline comprises an air supply main pipe, one end of the air supply main pipe is arranged at the top of the air filtering room and is positioned at the inner side of the air filtering module, and the other end of the air supply main pipe is connected to a cloth bag air pipe; the ultraviolet sterilizing lamps are arranged in the air supply main pipe at equal intervals and are electrically connected with the control module.
Furthermore, the air filtering module comprises a primary filter, a secondary filter and an air supply fan which are sequentially arranged, the primary filter is arranged at an air inlet of the air filtering room, the secondary filter is arranged on the inner side of the primary filter, and the air supply fan is arranged on the inner side of the secondary filter; the primary filter comprises a first primary filter screen and a second primary filter screen, the first primary filter screen and the second primary filter screen are arranged in parallel, and the first primary filter screen and the second primary filter screen are metal filter screens or nylon filter screens; the middle-effect filter comprises a middle-effect filter screen, and the middle-effect filter screen is a fiber cotton filter screen or a non-woven fabric filter screen; the air supply fan is electrically connected with the control module, and the air supply fan is started, so that fresh air outside the poultry house is filtered by the primary filter and the intermediate filter in sequence through the air inlet and then is conveyed to a cloth bag air pipe of the poultry house through the air supply main pipe.
Further, the primary filter is provided with a pressure difference alarm device, the pressure difference alarm device is electrically connected with the control module, and the pressure difference alarm device detects the pressure difference between the air inlet end and the air outlet end of the primary filter.
Furthermore, the exhaust treatment module comprises a chemical adsorption processor and an exhaust fan, the chemical adsorption processor and the exhaust fan are arranged in an exhaust cabinet body, one end of the exhaust cabinet body is communicated with an exhaust outlet of the poultry house, the other end of the exhaust cabinet body is connected with an exhaust pipe, the chemical adsorption processor is arranged at one end close to the exhaust outlet of the poultry house, and the exhaust fan is arranged at one end close to the exhaust pipe; an adsorption filter material is arranged in the chemical adsorption processor, a filter material life indicator is arranged in the chemical adsorption processor, and the filter material life indicator is electrically connected with the control module; the exhaust fan is electrically connected with the control module; the air exhaust fan is started, so that air in the poultry house is treated by the chemical adsorption processor and then is exhausted through the exhaust pipe.
Further, the air inlet cabinet body is provided with an access door.
The technical scheme adopted by the invention for solving the technical problems is to provide a control method of a special multi-effect fresh air purification device for cultivation, which specifically comprises the following steps: s1: setting concentration values of pollutant dust, hydrogen sulfide and ammonia gas in the poultry house through a control module, wherein the concentration values comprise standard limit concentration and deviation concentration; s2: the gas concentration monitor reads the current concentration of the pollutant detected by the gas concentration sensor and sends the current concentration to the control module; s3: the control module compares the detected current concentration of any pollutant with the standard limit concentration and the deviation concentration set by the pollutant; s4: the control module controls the starting and stopping of the automatic liquid adding device and the liquid adding times according to the comparison and calculation result, adjusts the current liquid adding amount, and controls the booster pump to adjust the spraying amount and the spraying time of the atomizing nozzle; s5: and starting the air supply fan and the air exhaust fan to start purification.
Further, the step S4 specifically includes: s41: starting the automatic liquid adding device and the booster pump when the concentration of any pollutant is greater than the sum of the standard limit concentration and the deviation concentration set by the pollutant, and setting the liquid adding frequency and the single liquid adding amount of the automatic liquid adding device as rated values; setting the pressure and the working frequency of the booster pump as rated values; s42: 1/2 setting the frequency and single liquid quantity of the automatic liquid adding device as rated values when the concentration of any pollutant is equal to or less than the sum of the standard limit concentration and the deviation concentration set by the pollutant; 1/2 setting the pressure and operating frequency of the booster pump to nominal values; s43: 1/4 setting the frequency and single liquid quantity of the automatic liquid adding device as rated values when the concentration of any pollutant is equal to or less than the standard limit concentration set by the pollutant; 1/4 setting the pressure and operating frequency of the booster pump to nominal values; s44: when the concentration of any pollutant is equal to or less than the standard limit value concentration minus the deviation concentration set by the pollutant, the automatic liquid adding device and the booster pump are stopped.
Further, the standard limit concentration of the pollutant concentration value in the step S1 is set to be 2mg/m ammonia gas3～25mg/m31mg/m of hydrogen sulfide3～10mg/m31mg/m of dust3～8mg/m3The deviation concentration of the pollutant concentration value is set to be 1mg/m of ammonia3～12.5mg/m30.5mg/m hydrogen sulfide3～5mg/m30.5mg/m of dust3～4mg/m3。
Furthermore, the control module is also provided with an alarm prompt, and when the pressure difference detected by the pressure difference alarm device is greater than a set pressure difference value, the alarm is given to prompt that the filter screen of the primary filter is cleaned; when the filter material life indicator indicates that the adsorption filter material in the chemical adsorption processor reaches the service life, the alarm is given to prompt that the adsorption filter material in the chemical adsorption processor is replaced.
Compared with the prior art, the invention has the following beneficial effects: the special multi-effect fresh air purification device for cultivation and the control method thereof provided by the invention have the following advantages: 1. the device has strong pertinence in purification function and is specially designed for the characteristics of waste gas in the field of livestock and poultry breeding; 2. the purification effect is comprehensive, the aims of dust removal, sterilization and odor removal can be achieved simultaneously, and the dust and the waste gas inside and outside the breeding plant room can be efficiently purified; 3. the purification area is wide, and the polluted gas inside and outside the poultry house can be circularly treated; 4. the fan, each purification unit, the spraying device, the cabinet body and the like are integrated into one device, so that the device is simple and attractive, and the occupied area is reduced; 5. the device is simple to operate, mild in use condition and free of potential safety hazards.
Drawings
FIG. 1 is a schematic structural view of a multi-effect fresh air purification device for cultivation in an embodiment of the present invention;
fig. 2 is a schematic structural view of an air filtering room and a purifying room of the air intake cabinet body in the embodiment of the invention.
In the figure:
1. a primary filter; 2. a medium-efficiency filter; 3. an air supply fan; 4. a main air supply pipe; 5. an ultraviolet germicidal lamp; 6. a cloth bag air pipe; 7. a purifying agent tank; 8. an automatic liquid adding device; 9. a gas concentration monitor; 10. a high pressure line; 11. an atomizing nozzle; 12. a gas concentration sensor; 13. a chemisorption processor; 14. an exhaust fan; 15. an exhaust duct; 16. an air filtering room; 17. a clean room.
Detailed Description
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic structural view of a multi-effect fresh air purification device special for cultivation in an embodiment of the invention.
Referring to fig. 1, the special multi-effect fresh air purification device for cultivation in the embodiment of the invention comprises an air filtration module, a spray purification module, an exhaust treatment module and a control module, wherein the air filtration module delivers filtered air to a poultry house through an air supply pipeline; the spray purification module conveys a purifying agent to an atomization nozzle 11 arranged in the poultry house through a high-pressure pipeline 10 to purify air; the exhaust treatment module is used for treating and then discharging gas discharged from the poultry house; the air exhaust processing module is arranged at an air exhaust opening outside the poultry house; the air filtering module, the spraying purification module, the exhaust processing module and the control module are electrically connected.
Specifically, the air filtering module conveys the filtered air to a cloth bag air pipe 6 of the poultry house through an air supply pipeline; the bag air pipes 6 are in multiple groups, the multiple groups of bag air pipes 6 are uniformly arranged at the top in the poultry house, the bag air pipes 6 are connected with a plurality of atomizing nozzles 11, and the plurality of atomizing nozzles 11 are uniformly distributed on the bag air pipes 6; the spray purification module conveys a purifying agent to the cloth bag air pipe 6 through the high-pressure pipeline 10 to be mixed with the filtered air, and then the purifying agent is sprayed out through the atomizing nozzle 11, and the filtered air enters the poultry house through the air outlet of the cloth bag air pipe. The outside air enters the poultry house after being filtered, and the cleanliness of the air is further ensured. The air is uniformly filtered through the same uniformly distributed cloth bag air pipes 6, so that the cost is low; the air purifier can be used for mixing the filtered air with the purifying agent in the poultry house, so that the filtered air is purified, and the efficiency is high.
Referring to fig. 2, in the multi-effect fresh air purification device for cultivation of the embodiment of the invention, the spray purification module is arranged in the purification room 17 of the air intake cabinet body; the spray purification module comprises a purifying agent tank 7 and an automatic liquid adding device 8, wherein the automatic liquid adding device 8 is connected to the purifying agent tank 7 and automatically extracts a purifying agent from the purifying agent tank 7; the automatic liquid adding device 8 further comprises a flow equalizing plate and a booster pump, the extracted purifying agent is divided by the flow equalizing plate and then is conveyed to an atomizing nozzle 11 through a high-pressure pipeline 10 by the booster pump through the automatic liquid adding device 8, the atomizing nozzle 11 is a rotational flow atomizing nozzle, and the purifying agent forms spray and is sprayed out after rotating at a high speed through the atomizing nozzle 11; the automatic liquid adding device 8 is electrically connected with the control module.
Specifically, the automatic liquid adding device 8 is connected with a gas concentration monitor 9, the gas concentration monitor 9 is electrically connected with the control module, and the gas concentration monitor 9 is connected with a plurality of gas concentration sensors 12; a plurality of gas concentration sensors 12 are arranged in the poultry house, detect the concentrations of pollutant dust, hydrogen sulfide and ammonia gas in the poultry house, and transmit the detection results to a gas concentration monitor 9; the gas concentration monitor 9 sends the obtained detection value of the gas concentration sensor 12 to a control module, and the control module controls the automatic liquid adding device 8 to adjust the liquid adding amount of the purifying agent according to the comparison result of the gas concentration detection value and the set concentration value.
Specifically, the air filtering module is arranged in an air filtering room 16 of the air inlet cabinet body, the air supply pipeline comprises an air supply main pipe 4, one end of the air supply main pipe 4 is arranged at the top of the air filtering room 16 and is positioned at the inner side of the air filtering module, and the other end of the air supply main pipe 4 is connected to a cloth bag air pipe 6; the ultraviolet sterilizing lamps 5 are arranged in the air supply main pipe 4 at equal intervals, and the ultraviolet sterilizing lamps 5 are electrically connected with the control module.
Specifically, the air filtering module comprises a primary filter 1, a secondary filter 2 and an air supply fan 3 which are sequentially arranged, wherein the primary filter 1 is arranged at an air inlet of the air filtering room 16, the secondary filter 2 is arranged on the inner side of the primary filter 1, and the air supply fan 3 is arranged on the inner side of the secondary filter 2; the primary filter 1 comprises a first primary filter screen and a second primary filter screen which are arranged in parallel, and the first primary filter screen and the second primary filter screen are metal filter screens or nylon filter screens and are used for filtering poultry hair and large granular dust substances in outdoor air and poultry house return air; the medium-effect filter 2 comprises a medium-effect filter screen, and the medium-effect filter screen is a fiber cotton filter screen or a non-woven fabric filter screen and is used for filtering small particle dust substances in fresh air and return air; air supply fan 3 is connected with the control module electricity, air supply fan 3 starts for the outer fresh air of pouity dwelling place filters through primary filter 1 and median filter 2 in proper order the back through air supply person in charge 4 carries the sack tuber pipe 6 of pouity dwelling place. The primary filter 1 department is equipped with pressure differential alarm device, pressure differential alarm device is connected with the control module electricity, pressure differential alarm device detects the pressure differential of primary filter 1 air inlet end and air-out end.
Specifically, the exhaust treatment module comprises a chemical adsorption processor 13 and an exhaust fan 14, the chemical adsorption processor 13 and the exhaust fan 14 are arranged in an exhaust cabinet body, one end of the exhaust cabinet body is communicated with an exhaust outlet of the poultry house, the other end of the exhaust cabinet body is connected with an exhaust pipe 15, the chemical adsorption processor 13 is arranged at one end close to the exhaust outlet of the poultry house, and the exhaust fan 14 is arranged at one end close to the exhaust pipe 15; an adsorption filter material is arranged in the chemical adsorption processor 13, a filter material life indicator is arranged in the chemical adsorption processor 13, and the filter material life indicator is electrically connected with the control module; the exhaust fan 14 is electrically connected with the control module; the exhaust fan 14 is started to discharge the air in the poultry house through the exhaust pipe 15 after being processed by the chemisorption processor 13.
Preferably, the air filtering room 16 and the purifying room 17 of the air inlet cabinet body are both provided with access doors, so that later maintenance is facilitated.
The control method of the special multi-effect fresh air purification device for cultivation provided by the embodiment of the invention specifically comprises the following steps:
s1: setting concentration values of pollutant dust, hydrogen sulfide and ammonia gas in the poultry house through a control module, wherein the concentration values comprise standard limit concentration and deviation concentration;
the standard limit concentration of the pollutant concentration value is set within the range of 2mg/m 3-25 mg/m3 of ammonia gas and 1mg/m of hydrogen sulfide3～10mg/m3The concentration of the dust (TSP) is 1mg/m 3-8 mg/m3, and the deviation concentration of the concentration value of the pollutant is set to be 1mg/m ammonia3～12.5mg/m30.5mg/m hydrogen sulfide3～5mg/m3Dust (TSP)0.5mg/m3～4mg/m3。
S2: the gas concentration monitor 9 reads the current concentration of the pollutant detected by the gas concentration sensor 12 and sends the current concentration to the control module;
s3: the control module compares the detected current concentration of any pollutant with the standard limit concentration and the deviation concentration set by the pollutant;
s4: the control module controls the starting and stopping of the automatic liquid adding device 8 and the liquid adding times according to the comparison and calculation result, adjusts the current liquid adding amount, and controls the booster pump to adjust the spraying amount and the spraying time of the atomizing nozzle 11;
starting the automatic liquid adding device 8 and the booster pump when the concentration of any pollutant is greater than the sum of the standard limit concentration and the deviation concentration set by the pollutant, and setting the liquid adding frequency and the single liquid adding amount of the automatic liquid adding device 8 as rated values; setting the pressure and the working frequency of the booster pump as rated values;
1/2 setting the frequency and single liquid quantity of the automatic liquid adding device 8 as rated values when the concentration of any contaminant is equal to or less than the sum of the standard limit concentration and the deviation concentration set by the contaminant; 1/2 setting the pressure and operating frequency of the booster pump to nominal values;
1/4 setting the frequency and single liquid-adding quantity of the automatic liquid-adding device 8 as rated values when the concentration of any pollutant is equal to or less than the standard limit concentration set by the pollutant; 1/4 setting the pressure and operating frequency of the booster pump to nominal values;
when the concentration of any pollutant is equal to or less than the standard limit value concentration minus the deviation concentration set by the pollutant, the automatic liquid adding device 8 and the booster pump are stopped.
S5: the air supply fan 3 and the air exhaust fan 14 are started to start purification.
Preferably, the control module is further provided with an alarm prompt, when the pressure difference detected by the pressure difference alarm device is greater than a set pressure difference value, the alarm is given to prompt that the filter screen of the primary filter 1 is cleaned; when the filter screens of the primary filter 1 are cleaned, the first primary filter screen and the second primary filter screen are cleaned in turn, and when one filter screen is cleaned, the other filter screen continues to work; when the filter material life indicator indicates that the adsorption filter material in the chemisorption processor 13 reaches the service life, an alarm is given to prompt that the adsorption filter material in the chemisorption processor 13 is replaced.
In summary, according to the multi-effect fresh air purification device special for cultivation provided by the embodiment of the invention, the air filtration module filters fresh air entering the poultry house to remove dust, the spray purification module purifies, sterilizes and deodorizes the fresh air entering the poultry house and air in the poultry house, and the exhaust treatment module treats exhaust gas discharged from the poultry house, so that indoor and outdoor exhaust gas of the hatching and cultivating plant is efficiently purified, the environmental quality of the hatching and cultivating plant and surrounding areas is fully improved, the disease rate and the death and culling rate are reduced, the hatching rate, the healthy chick rate, the survival rate, the product quality and the biological safety are improved, meanwhile, the building energy-saving requirement is met, and the device has a great value for promoting future sustainable and healthy development of the livestock and poultry hatching and cultivating industry in China.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (13)
1. The special multi-effect fresh air purification device for the breeding is characterized by comprising an air filtration module, a spray purification module, an exhaust treatment module and a control module, wherein the air filtration module conveys filtered air into a poultry house through an air supply pipeline; the spray purification module conveys a purifying agent to an atomization nozzle arranged in the poultry house through a high-pressure pipeline to purify air; the exhaust treatment module is used for treating and then discharging gas discharged from the poultry house; the air exhaust processing module is arranged at an air exhaust opening outside the poultry house; the air filtering module, the spraying purification module, the exhaust processing module and the control module are electrically connected.
2. The multi-effect fresh air purification device special for cultivation of claim 1, wherein the air filtration module delivers the filtered air to a cloth bag air pipe of a poultry house through an air supply pipeline; the bag air pipes are arranged in multiple groups, the multiple groups of bag air pipes are uniformly arranged at the top in the poultry house, the bag air pipes are connected with a plurality of atomizing nozzles, and the plurality of atomizing nozzles are uniformly distributed on the bag air pipes; the spray purification module conveys a purifying agent to the atomizing nozzle through a high-pressure pipeline to be sprayed out, and filtered air enters the poultry house through an air outlet of the cloth bag air pipe.
3. The multi-effect fresh air purification device special for cultivation of claim 2, wherein the spray purification module is arranged in the purification room of the air intake cabinet body; the spray purification module comprises a purifying agent tank and an automatic liquid adding device, and the automatic liquid adding device is connected to the purifying agent tank and automatically extracts the purifying agent from the purifying agent tank; the automatic liquid adding device comprises a flow equalizing plate and a booster pump, wherein the automatic liquid adding device divides the extracted purifying agent by the flow equalizing plate and then conveys the purifying agent to an atomizing nozzle through a high-pressure pipeline by the booster pump, the atomizing nozzle is a rotational flow atomizing nozzle, and the purifying agent forms spray and is sprayed out after rotating at a high speed by the atomizing nozzle; the automatic liquid adding device is electrically connected with the control module.
4. The multi-effect fresh air purification device special for aquaculture of claim 3, wherein the automatic liquid adding device is connected with a gas concentration monitor, the gas concentration monitor is electrically connected with the control module, and the gas concentration monitor is connected with a plurality of gas concentration sensors; the gas concentration sensors are arranged in the poultry house, detect the concentrations of pollutant dust, hydrogen sulfide and ammonia gas in the poultry house and transmit the detection results to the gas concentration monitor; the gas concentration monitor sends the obtained detection value of the gas concentration sensor to the control module, and the control module controls the automatic liquid adding device to adjust the liquid adding amount of the purifying agent according to the comparison result of the gas concentration detection value and the set concentration value.
5. The multi-effect fresh air purification device special for aquaculture of claim 2, wherein the air filtering module is arranged in the air filtering room of the air intake cabinet body, the air supply pipeline comprises an air supply main pipe, one end of the air supply main pipe is arranged at the top of the air filtering room and is positioned at the inner side of the air filtering module, and the other end of the air supply main pipe is connected to the cloth bag air pipe; the ultraviolet sterilizing lamps are arranged in the air supply main pipe at equal intervals and are electrically connected with the control module.
6. The multi-effect fresh air purification device special for aquaculture of claim 5, wherein the air filtration module comprises a primary filter, a middle filter and an air supply fan, which are arranged in sequence, the primary filter is arranged at the air inlet of the air filtration room, the middle filter is arranged at the inner side of the primary filter, and the air supply fan is arranged at the inner side of the middle filter; the primary filter comprises a first primary filter screen and a second primary filter screen, the first primary filter screen and the second primary filter screen are arranged in parallel, and the first primary filter screen and the second primary filter screen are metal filter screens or nylon filter screens; the middle-effect filter comprises a middle-effect filter screen, and the middle-effect filter screen is a fiber cotton filter screen or a non-woven fabric filter screen; the air supply fan is electrically connected with the control module, and the air supply fan is started, so that fresh air outside the poultry house is filtered by the primary filter and the intermediate filter in sequence through the air inlet and then is conveyed to a cloth bag air pipe of the poultry house through the air supply main pipe.
7. The multi-effect fresh air purification device special for aquaculture of claim 6, wherein a pressure difference alarm device is arranged at the primary filter, the pressure difference alarm device is electrically connected with the control module, and the pressure difference alarm device detects the pressure difference between the air inlet end and the air outlet end of the primary filter.
8. The multi-effect fresh air purification device special for cultivation of claim 1, wherein the exhaust air treatment module comprises a chemical adsorption processor and an exhaust air blower, the chemical adsorption processor and the exhaust air blower are arranged in an exhaust air cabinet, one end of the exhaust air cabinet is communicated with an exhaust outlet of the poultry house, the other end of the exhaust air cabinet is connected with an exhaust pipe, the chemical adsorption processor is arranged at one end close to the exhaust outlet of the poultry house, and the exhaust air blower is arranged at one end close to the exhaust pipe; an adsorption filter material is arranged in the chemical adsorption processor, a filter material life indicator is arranged in the chemical adsorption processor, and the filter material life indicator is electrically connected with the control module; the exhaust fan is electrically connected with the control module; the air exhaust fan is started, so that air in the poultry house is treated by the chemical adsorption processor and then is exhausted through the exhaust pipe.
9. The multi-effect fresh air purification device special for cultivation of claim 1, wherein the air intake cabinet body is provided with an access door.
10. The control method of the special multi-effect fresh air purification device for cultivation, which adopts the special multi-effect fresh air purification device for cultivation as claimed in any one of claims 1 to 9, is characterized by comprising the following steps:
s1: setting concentration values of pollutant dust, hydrogen sulfide and ammonia gas in the poultry house through a control module, wherein the concentration values comprise standard limit concentration and deviation concentration;
s2: the gas concentration monitor reads the current concentration of the pollutant detected by the gas concentration sensor and sends the current concentration to the control module;
s3: the control module compares the detected current concentration of any pollutant with the standard limit concentration and the deviation concentration set by the pollutant;
s4: the control module controls the starting and stopping of the automatic liquid adding device and the liquid adding times according to the comparison and calculation result, adjusts the current liquid adding amount, and controls the booster pump to adjust the spraying amount and the spraying time of the atomizing nozzle;
s5: and starting the air supply fan and the air exhaust fan to start purification.
11. The control method of the special multi-effect fresh air purification device for aquaculture of claim 10, wherein the step S4 specifically comprises:
s41: starting the automatic liquid adding device and the booster pump when the concentration of any pollutant is greater than the sum of the standard limit concentration and the deviation concentration set by the pollutant, and setting the liquid adding frequency and the single liquid adding amount of the automatic liquid adding device as rated values; setting the pressure and the working frequency of the booster pump as rated values;
s42: 1/2 setting the frequency and single liquid quantity of the automatic liquid adding device as rated values when the concentration of any pollutant is equal to or less than the sum of the standard limit concentration and the deviation concentration set by the pollutant; 1/2 setting the pressure and operating frequency of the booster pump to nominal values;
s43: 1/4 setting the frequency and single liquid quantity of the automatic liquid adding device as rated values when the concentration of any pollutant is equal to or less than the standard limit concentration set by the pollutant; 1/4 setting the pressure and operating frequency of the booster pump to nominal values;
s44: when the concentration of any pollutant is equal to or less than the standard limit value concentration minus the deviation concentration set by the pollutant, the automatic liquid adding device and the booster pump are stopped.
12. The control method of the special multi-effect fresh air purification device for aquaculture of claim 10, wherein the standard limit concentration of the pollutant concentration value in the step S1 is set within the range of 2mg/m ammonia gas3～25mg/m31mg/m of hydrogen sulfide3～10mg/m31mg/m of dust3～8mg/m3Deviation of concentration value of contaminantThe difference concentration is set within the range of 1mg/m of ammonia gas3～12.5mg/m30.5mg/m hydrogen sulfide3～5mg/m30.5mg/m of dust3～4mg/m3。
13. The control method of the special multi-effect fresh air purification device for aquaculture of claim 10, wherein the control module is further provided with an alarm prompt, when the pressure difference detected by the pressure difference alarm device is greater than a set pressure difference value, the alarm is given to prompt the cleaning of the filter screen of the primary filter; when the filter material life indicator indicates that the adsorption filter material in the chemical adsorption processor reaches the service life, the alarm is given to prompt that the adsorption filter material in the chemical adsorption processor is replaced.
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Application publication date: 20200929 |