CN221182268U - Cascade type consumable-free deodorizing and dedusting system for livestock facility - Google Patents
Cascade type consumable-free deodorizing and dedusting system for livestock facility Download PDFInfo
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to the technical field of air dust removal and deodorization, in particular to a deodorizing and dedusting system of a cascade consumable-free livestock facility, which comprises a variable-frequency fan subsystem, a cascade air processing subsystem, a signal control subsystem, an intelligent regulation subsystem and a distributed sensor subsystem; the plasma dust-removing and sterilizing unit, the high-frequency sedimentation unit and the photocatalyst air treatment unit in the cascade air treatment subsystem are arranged in the air purification channel in a cascade way, so that the defects of secondary pollution and solid waste generated by the traditional method are overcome, and consumable-free air purification is realized; an air electric field sensor is introduced into the cascade air treatment subsystem, so that the electric field intensity and leakage current intensity in the air purification channel are monitored in real time, and the safety of the system is improved; the distributed environment sensor is adopted to monitor the air pollution condition in the facility at multiple points, and based on feedback control and regulation and control as required, the system has better comprehensive energy efficiency and system robustness, and realizes comprehensive and efficient treatment of air pollutants in the livestock facility.
Description
Technical Field
The utility model relates to the technical field of air dust removal and deodorization, in particular to a deodorizing and dedusting system of a cascading consumable-free livestock facility.
Background
With the rapid development of animal husbandry, a great number of problems are highlighted to be solved, animal husbandry facilities are an important part of animal husbandry production, and the problem of environmental pollution is not ignored due to high animal raising density and large industrial scale.
Most livestock facilities remove pollutants in the facilities in a ventilation mode, but the methods do not eliminate pollution and discharge the pollutants to the external environment, the periphery of the facilities is easy to influence, and the method is contrary to the concept of full-process green production, and meanwhile, the method is easy to cause microorganism diffusion, generates potential epidemic risks, endangers the health of peripheral personnel and brings negative effects to the safe production of other livestock facilities.
The other type of treatment mode adopts a filtration type purification device, the device is mainly designed aiming at particle pollutants, the purification device has short service life due to flow passage resistance and pollutant accommodation limit, frequent maintenance is needed, the polluted filter plate is cleaned or replaced, the comprehensive cost is high, secondary pollution such as waste water, waste residue and the like is easily caused, and the large-scale application is limited. For gaseous pollutants, the prior related literature reports that physical adsorption or chemical reaction is adopted for elimination, but the methods have the defects of low purification efficiency, large consumption of consumables, waste emission and the like, and are difficult to popularize and use.
In addition, research has been carried out on applying the high-voltage electrostatic precipitator to livestock facilities at present, but the conventional high-voltage electrostatic precipitator operates based on fixed voltage, so that the high-humidity and high-particulate-content air treatment performance is poor, the breakdown and ignition phenomena are easy to occur, the overall efficiency of the system is reduced, the electric leakage is increased, the electrode is locally overheated and even fire hazards occur, a large amount of electromagnetic interference and discharge noise are generated when the device is abnormal, and the safety operation of the facilities is very unfavorable.
Disclosure of utility model
The utility model aims to solve the problems, and provides a deodorizing and dedusting system of a cascade consumable-free livestock facility, which sequentially carries out digestion treatment on coarse particles, fine particles, microorganisms and gaseous pollutants in the air, does not need disposable filter materials or gas adsorption materials, and realizes consumable-free air purification; and the air electric field sensor is adopted to timely feed back the electric field intensity and leakage current intensity in the system, so that the phenomenon of electric leakage increase, local overheating of electrodes and breakdown and fire disaster are avoided.
The utility model provides a deodorizing and dedusting system of a cascade consumable-free livestock facility, which comprises a variable frequency fan subsystem (1), a cascade air treatment subsystem (2), a signal control subsystem (3), an intelligent regulation subsystem (4) and a distributed sensor subsystem (5); the variable-frequency fan subsystem (1) and the distributed sensor subsystem (5) are respectively in information connection with the intelligent regulation subsystem (4) to realize bidirectional information transmission and control; the cascade air processing subsystem (2) is in information connection with the signal control subsystem (3) to realize bidirectional information transmission and control.
The cascade air treatment subsystem (2) comprises a plasma dust removal and disinfection unit (13), an ozone sensor (17), a high-frequency sedimentation unit (18), an air electric field sensor (21) and a photocatalyst air treatment unit (22); the plasma dust removal and disinfection unit (13), the ozone sensor (17), the high-frequency sedimentation unit (18), the air electric field sensor (21) and the photocatalyst air treatment unit (22) are sequentially and cascade-mounted in the air purification channel (35); an ozone sensor (17) senses the operating voltages of the plasma dust-removing and sterilizing unit (13) and the high-frequency sedimentation unit (18) and the generated ozone amount; an air electric field sensor (21) senses electric field intensity and leakage current intensity in an air cleaning passage (35).
Further, the variable frequency fan subsystem (1) comprises a variable frequency fan (8), a rotating speed sensor (9), a wind pressure sensor (10), a variable frequency driver (11) and a fan controller (12); the variable frequency driver (11) is electrically connected with the variable frequency motor (65), and the variable frequency fan (8) is electrically connected with the variable frequency driver (11), so that the variable frequency driver (11) controls the variable frequency motor (65) to drive the variable frequency fan (8) to perform variable frequency operation; the rotating speed sensor (9) and the wind pressure sensor (10) are electrically connected with the fan controller (12) and are used for measuring the rotating speed and the air flow rate and feeding back signals to the fan controller (12), the fan controller (12) stably controls the air quantity and the running speed of the variable-frequency fan (8), and meanwhile feeds back signals to the intelligent regulation subsystem (4) and receives control instructions from the intelligent regulation subsystem (4).
Further, the signal control subsystem (3) comprises a plasma dust removal and disinfection unit controller (25), a high-frequency sedimentation unit controller (26) and a photocatalyst air treatment unit controller (27); the input ports of the plasma dust removal and disinfection unit controller (25), the high-frequency sedimentation unit controller (26) and the photocatalyst air treatment unit controller (27) are respectively and electrically connected with the intelligent regulation subsystem (4) and receive control instructions from the intelligent regulation subsystem (4); the output ports of the plasma dust-removing and sterilizing unit controller (25), the high-frequency sedimentation unit controller (26) and the photocatalyst air processing unit controller (27) are respectively and electrically connected with the plasma dust-removing and sterilizing unit (13), the high-frequency sedimentation unit (18) and the photocatalyst air processing unit (22) and are used for controlling the operation states of the plasma dust-removing and sterilizing unit (13), the high-frequency sedimentation unit (18) and the photocatalyst air processing unit (22).
Further, the intelligent regulation subsystem (4) comprises a user operation panel (28), a main CPU unit (29), a wireless network adapter (30) and a radio frequency communication antenna (31); the main CPU unit (29) is electrically connected with the input ports of the plasma dust removal and disinfection unit controller (25), the high-frequency sedimentation unit controller (26) and the photocatalyst air treatment unit controller (27) and the fan controller (12); the user operation panel (28) is electrically connected with the main CPU unit (29) and is used for displaying the information such as the running state of the whole system, environmental pollution data and the like, so that the control of the whole system by a user is realized; the wireless network adapter (30) is electrically connected with the main CPU unit (29) and is used for realizing the modulation and demodulation of wireless network signals; the radio frequency communication antenna (31) is electrically connected with the wireless network adapter (30) and is used for transmitting and receiving radio signals to realize radio communication between the distributed sensor subsystem (5) and the intelligent regulation subsystem (4);
Further, the distributed sensor subsystem (5) comprises an air inlet pollutant sensor (6), an air outlet pollutant sensor (7) and at least two air pollutant sensor nodes (32); the air pollutant sensor node (32) adopts a wireless communication method, establishes a radio channel with the radio frequency communication antenna (31), realizes information communication with the intelligent regulation subsystem (4), measures concentration information of pollutants such as dust, peculiar smell molecules and the like in the environment in real time, and sends the concentration information to the intelligent regulation subsystem (4); the air inlet pollutant sensor (6) and the air outlet pollutant sensor (7) are respectively and electrically connected with the main CPU unit (29) to form a differential detection structure for respectively detecting the pollutant content in the air entering the system and the treated air.
Further, the plasma dust-removing and sterilizing unit (13) comprises a negative electrode bus plate (14), a positive electrode bus plate (15), a discharge electrode plate (16), an electric field shielding cover plate (40) and a high-voltage wiring port (41) of the plasma dust-removing and sterilizing unit; the discharge electrode plates (16) are provided with a plurality of positive potential-negative potential which are arranged in a crossed sequence and are respectively electrically connected with the negative electrode bus plate (14) and the positive electrode bus plate (15) and used for forming a high-voltage electric field after the plasma dust-removing and sterilizing unit (13) is electrified to excite low-temperature plasma so as to realize the functions of air sterilization and electrostatic dust removal; the electric field shielding cover plate (40) is arranged on the surface of the plasma dust-removing and sterilizing unit (13), is electrically connected with the equipotential grounding terminal (37), keeps the ground potential and is used for shielding a strong electric field in the plasma dust-removing and sterilizing unit (13); the high-voltage wiring port (41) of the plasma dedusting and sterilizing unit is respectively and electrically connected with the negative electrode bus plate (14) and the positive electrode bus plate (15) for transmitting high-voltage direct current.
Further, the high-frequency sedimentation unit (18) comprises a discharge needle array (19), a ground potential bus plate (20), an insulating frame (42), a discharge gap (43) and a potential balance polar plate (44); the discharge needle array (19) is mechanically connected with the insulating frame (42) and is electrically insulated from the air purifying channel (35) and the ground potential bus plate (20); a discharge gap (43) is arranged between the discharge needle array (19) and the ground potential bus plate (20) to form a capacitor for constructing a high-frequency electric field and provide a physical space required by settling of ultrafine particles in the high-frequency electric field; the ground potential collector plate (20) is mounted on the front end of the potential balance electrode plate (44), and the equipotential ground terminal (37) is grounded to maintain the ground potential.
Further, the photocatalyst air treatment unit (22) comprises an ultraviolet array (24), a photocatalytic medium (23), a photocatalytic reaction cavity (45) and an ultraviolet tube seat (46); the photocatalysis reaction cavity (45) is in a cylindrical barrel-shaped structure, and a porous photocatalysis medium (23) is coated in the photocatalysis reaction cavity; the ultraviolet array (24) is electrically connected with the electric part of the ultraviolet tube seat (46) and is arranged in the photocatalytic reaction cavity (45) for emitting ultraviolet rays after being electrified to excite the photocatalytic reaction; the mechanical part of the ultraviolet tube seat (46) is mechanically connected with the tail end of the photocatalytic reaction cavity (45) and is used for fixing the ultraviolet array (24) and keeping the relative position of the ultraviolet array (24) and the inner wall of the photocatalytic reaction cavity (45) unchanged.
Further, the lower part of the air purifying channel (35) is provided with at least two dust collecting grooves and an air outlet electric field neutralization grid (36); the dust collecting tank is used for collecting the settled particulate matters; the air purifying channel (35) adopts a rigid metal structure, the front end of the air purifying channel (35) is mechanically connected with the variable frequency fan (8), and the rear end is mechanically connected with the air outlet electric field neutralization grid (36) to form an air flow channel; the air outlet electric field neutralization grid (36) is electrically connected with the air purification channel (35) and then connected to the equipotential grounding terminal (37), so that the system is grounded, and the air purification channel (35) is kept at the ground potential.
Compared with the prior art, the utility model has the following beneficial effects:
1) The plasma dedusting and sterilizing unit, the high-frequency sedimentation unit and the photocatalyst air treatment unit are cascaded, and digestion treatment is sequentially carried out on coarse particles, fine particles, microorganisms and gaseous pollutants in the air, so that disposable filter materials or gas adsorption materials are not needed, and consumable-free air purification is realized;
2) The system adopts the combination of the ultraviolet array, the Fresnel lens and the reflecting layer to form the photocatalyst air treatment unit, so that ultraviolet rays are focused on the catalytic unit, the utilization rate of a light source is improved, and compared with the traditional photocatalyst equipment, the ultraviolet leakage rate is reduced, and the system is safer and more environment-friendly;
3) The system adopts an air electric field sensor to monitor the electric field intensity and leakage current intensity in the air purification channel in real time, and if the field intensity is too high or the leakage current is too large, the output voltages of the high-voltage direct current driver and the high-frequency electric field driver are automatically regulated, so that the spark discharge or the local overheating phenomenon of the polar plate is avoided, and the reliability and the safety of the system are improved;
4) The system adopts a distributed sensor subsystem to realize indoor multipoint environmental pollution monitoring of the livestock shed, and avoids the problem that the traditional single-point sensing system is easily interfered by local air flow, thereby causing misoperation or premature shutdown of the purifying device.
Drawings
Fig. 1 is a block diagram of a deodorizing and dedusting system for a cascading consumable-free livestock facility according to an embodiment of the present utility model;
FIG. 2 is a schematic external architecture of a cascade air treatment subsystem provided in accordance with an embodiment of the utility model;
FIG. 3 is a schematic diagram of the internal architecture of a cascade air treatment subsystem provided in accordance with an embodiment of the utility model;
Fig. 4 is a power distribution schematic diagram of a deodorizing and dedusting system of a cascading consumable-free livestock facility according to an embodiment of the present utility model.
Reference numerals: variable frequency fan sub-system 1, cascade air handling sub-system 2, signal control sub-system 3, intelligent regulation sub-system 4, distributed sensor sub-system 5, air inlet pollutant sensor 6, air outlet pollutant sensor 7, variable frequency fan 8, rotation speed sensor 9, wind pressure sensor 10, variable frequency driver 11, fan controller 12, plasma dust removal disinfection unit 13, negative electrode bus plate 14, positive electrode bus plate 15, discharge electrode plate 16, ozone sensor 17, high frequency sedimentation unit 18, discharge needle array 19, ground potential bus plate 20, air electric field sensor 21, photocatalyst air handling unit 22, photocatalytic medium 23, ultraviolet array 24, plasma dust removal disinfection unit controller 25, high frequency sedimentation unit controller 26, photocatalyst air handling unit controller 27, user operation panel 28, main CPU unit 29, electric field controller 29, and electric field controller the wireless network adapter 30, the radio frequency communication antenna 31, the air pollutant sensor node 32, the dust collecting tank (1) 33, the dust collecting tank (2) 34, the air purifying channel 35, the air outlet electric field neutralization grid 36, the equipotential grounding terminal 37, the pre-filter 38, the device mounting plate 39, the electric field shielding cover plate 40, the high-voltage interface 41 of the plasma dust removal disinfection unit, the insulating frame 42, the discharge gap 43, the potential balance polar plate 44, the photocatalytic reaction cavity 45, the ultraviolet tube seat 46, the main power interface 47, the fuse 48, the surge absorber 49, the main breaker 50, the active PFC unit 51, the direct current bus interface 52, the direct current power supply change-over switch 53, the direct current bus 54, the fan overload protector 55, the plasma dust removal disinfection unit overload protector 56, the high-frequency sedimentation unit overload protector 57, the control power overload protector 58, an ultraviolet tube protector 59, a control power supply 60, a high-frequency electric field driver 61, a shield cable 62, a high-voltage direct current driver 63, a high-voltage cable 64, and a variable frequency motor 65.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limiting the utility model.
According to the deodorizing and dedusting system for the cascade consumable-free livestock facility, provided by the embodiment of the utility model, coarse particles, fine particles, microorganisms and gaseous pollutants in the air are sequentially digested, a disposable filter material or a gas adsorption material is not needed, and consumable-free air purification is realized; and the air electric field sensor is adopted to timely feed back the electric field intensity and leakage current intensity in the system, so that the phenomenon of electric leakage increase, local overheating of electrodes and breakdown and fire disaster are avoided.
Fig. 1 shows a structure of a deodorization and dust removal system of a cascade type consumable-free livestock facility according to an embodiment of the present utility model.
As shown in fig. 1, the deodorizing and dedusting system of the cascade consumable-free livestock facility provided by the utility model comprises a variable frequency fan subsystem 1, a cascade air processing subsystem 2, a signal control subsystem 3, an intelligent regulation subsystem 4 and a distributed sensor subsystem 5; the variable-frequency fan subsystem 1 and the distributed sensor subsystem 5 are respectively in information connection with the intelligent regulation subsystem 4, so that bidirectional information transmission and control are realized; the cascade air processing subsystem 2 is in information connection with the signal control subsystem 3, so that bidirectional information transmission and control are realized.
The cascade air treatment subsystem 2 comprises a plasma dust removal and disinfection unit 13, an ozone sensor 17, a high-frequency sedimentation unit 18, an air electric field sensor 21 and a photocatalyst air treatment unit 22; the plasma dust-removing and sterilizing unit 13, the ozone sensor 17, the high-frequency sedimentation unit 18, the air electric field sensor 21 and the photocatalyst air treatment unit 22 are sequentially arranged in cascade in the air purifying channel 35; the ozone sensor 17 senses the operation voltages of the plasma dust removal and disinfection unit 13 and the high-frequency sedimentation unit 18 and the amount of ozone generated; the air electric field sensor 21 senses the electric field intensity and the leakage current intensity in the air cleaning passage 35.
The variable frequency fan subsystem 1 comprises a variable frequency fan 8, a rotating speed sensor 9, a wind pressure sensor 10, a variable frequency driver 11 and a fan controller 12; the variable frequency driver 11 is electrically connected with the variable frequency motor 65, and the variable frequency fan 8 is electrically connected with the variable frequency driver 11, so that the variable frequency driver 11 controls the variable frequency motor 65 to drive the variable frequency fan 8 to perform variable frequency work; the rotation speed sensor 9 and the wind pressure sensor 10 are electrically connected with the fan controller 12 and are used for measuring the rotation speed and the air flow speed and feeding back signals to the fan controller 12, the fan controller 12 stably controls the air quantity and the running speed of the variable-frequency fan 8, and meanwhile feeds back signals to the intelligent regulation subsystem 4 and receives control instructions from the intelligent regulation subsystem 4.
The signal control subsystem 3 comprises a plasma dust removal and disinfection unit controller 25, a high-frequency sedimentation unit controller 26 and a photocatalyst air treatment unit controller 27; the input ports of the plasma dust removal and disinfection unit controller 25, the high-frequency sedimentation unit controller 26 and the photocatalyst air treatment unit controller 27 are respectively and electrically connected with the intelligent regulation subsystem 4 and receive control instructions from the intelligent regulation subsystem 4; the output ports of the plasma dust-removing sterilizing unit controller 25, the high-frequency sedimentation unit controller 26 and the photocatalyst air treatment unit controller 27 are respectively electrically connected with the plasma dust-removing sterilizing unit 13, the high-frequency sedimentation unit 18 and the photocatalyst air treatment unit 22 for controlling the operation states of the plasma dust-removing sterilizing unit 13, the high-frequency sedimentation unit 18 and the photocatalyst air treatment unit 22.
The intelligent regulation subsystem 4 comprises a user operation panel 28, a main CPU unit 29, a wireless network adapter 30 and a radio frequency communication antenna 31; the main CPU unit 29 is electrically connected with the input ports of the plasma dust removal and disinfection unit controller 25, the high-frequency sedimentation unit controller 26 and the photocatalyst air treatment unit controller 27 and the fan controller 12; the user operation panel 28 is electrically connected with the main CPU 29 and is used for displaying the whole running state of the system, environmental pollution data and other information, so as to realize the control of the user on the whole system; the wireless network adapter 30 is electrically connected to the main CPU unit 29, and is used for implementing modulation and demodulation of wireless network signals; the radio frequency communication antenna 31 is electrically connected with the wireless network adapter 30 and is used for transmitting and receiving radio signals to realize radio communication between the distributed sensor subsystem 5 and the intelligent regulation subsystem 4;
the distributed sensor subsystem 5 comprises an air inlet pollutant sensor 6, an air outlet pollutant sensor 7 and at least two air pollutant sensor nodes 32; the air pollutant sensor node 32 adopts a wireless communication method, establishes a radio channel with the radio frequency communication antenna 31, realizes information communication with the intelligent regulation subsystem 4, measures concentration information of pollutants such as dust, odor molecules and the like in the environment in real time, and sends the concentration information to the intelligent regulation subsystem 4; the air inlet pollutant sensor 6 and the air outlet pollutant sensor 7 are respectively and electrically connected with the main CPU unit 29 to form a differential detection structure for respectively detecting the pollutant content in the air entering the system and the treated air.
FIG. 2 illustrates an external architecture of a cascade air treatment subsystem provided in accordance with an embodiment of the utility model.
As shown in fig. 1 and 2, the plasma dust-removing sterilizing unit 13 includes a negative electrode bus plate 14, a positive electrode bus plate 15, a discharge electrode plate 16, an electric field shielding cover plate 40, and a plasma dust-removing sterilizing unit high voltage connection terminal 41; the discharge electrode plates 16 are provided with a plurality of positive potential-negative potential which are arranged in a crossed sequence, are respectively electrically connected with the negative electrode bus plate 14 and the positive electrode bus plate 15 and are used for forming a high-voltage electric field after the plasma dust-removing and sterilizing unit 13 is electrified, exciting low-temperature plasmas and realizing the functions of air sterilization and electrostatic dust removal; the electric field shielding cover plate 40 is installed on the surface of the plasma dust-removing and sterilizing unit 13, is electrically connected with the equipotential grounding terminal 37, keeps the ground potential and is used for shielding a strong electric field in the plasma dust-removing and sterilizing unit 13; the high-voltage wiring terminal 41 of the plasma dust removing and sterilizing unit is electrically connected to the negative electrode bus plate 14 and the positive electrode bus plate 15, respectively, for transmitting the high-voltage direct current generated from the high-voltage direct current driver 63 through the high-voltage cable 64.
The high-frequency sedimentation unit 18 comprises a discharge needle array 19, a ground potential bus plate 20, an insulating frame 42, a discharge gap 43 and a potential balance polar plate 44; the discharge needle array 19 is mechanically connected to the insulating frame 42 and is electrically insulated from the air cleaning tunnel 35 and the ground potential bus plate 20; a discharge gap 43 exists between the discharge needle array 19 and the ground potential bus plate 20 to form a capacitor for constructing a high-frequency electric field and provide a physical space required by settling extremely fine particles in the high-frequency electric field; the ground potential collector plate 20 is mounted on the front end of the potential balance plate 44, and the equipotential ground terminal 37 is grounded to hold the ground potential.
The photocatalyst air treatment unit 22 comprises an ultraviolet array 24, a photocatalytic medium 23, a photocatalytic reaction cavity 45 and an ultraviolet tube seat 46; the photocatalytic reaction cavity 45 is in a cylindrical barrel-shaped structure, and is internally coated with a porous photocatalytic medium 23; the ultraviolet array 24 is electrically connected with the electrical part of the ultraviolet tube seat 46, and is arranged inside the photocatalytic reaction cavity 45, and is used for emitting ultraviolet rays after being electrified to excite the photocatalytic reaction; the mechanical part of the ultraviolet tube seat 46 is mechanically connected with the end of the photocatalytic reaction cavity 45 and is used for fixing the ultraviolet array 24, so that the relative position of the ultraviolet array 24 and the inner wall of the photocatalytic reaction cavity 45 is kept unchanged.
In the embodiment of the utility model, the photocatalytic medium 23 adopts nano TiO2 doped with rare earth ions as an active center, is attached to the surface of the porous aluminosilicate ceramic, and is prepared into the photocatalytic medium material through a co-sintering process.
The co-sintering process can adopt a low-temperature co-sintering or high-temperature co-sintering method, and the low-temperature co-sintering method can obtain better catalytic activity, but the mechanical strength of the material is lower; the catalytic medium material with higher mechanical strength can be obtained by adopting high-temperature co-sintering, but the active center distortion is larger, and the ultraviolet light activity is reduced. Therefore, two sintering processes or a combination of processes can be flexibly selected according to actual requirements to prepare the composite gradient material.
FIG. 3 illustrates the internal architecture of a cascade air handling subsystem provided in accordance with an embodiment of the utility model.
As shown in fig. 2 and 3, the air cleaning passage 35 is provided at a lower portion thereof with at least two dust collection grooves and an air outlet electric field neutralization grid 36; the dust collecting tank is used for collecting the settled particulate matters; the air purifying channel 35 adopts a rigid metal structure, the front end of the air purifying channel 35 is mechanically connected with the variable frequency fan 8, and the rear end of the air purifying channel 35 is mechanically connected with the electric field neutralization grid 36 of the air outlet to form an air flow channel; the exhaust electric field neutralization grid 36 is electrically connected with the air purification channel 35 and then connected to the equipotential grounding terminal 37, so as to realize the system grounding and keep the air purification channel 35 at the ground potential.
In the embodiment of the present utility model, a dust collection tank (1) 33 and a dust collection tank (2) 34 are provided.
The flow path of the air cleaning passage 35 is: untreated air is sucked in by the variable frequency fan 8 and flows through the air purification channel 35 to finish cascade purification, and finally is discharged after being neutralized by the electric field neutralization grid 36 of the air outlet.
Fig. 4 shows a power distribution principle of a deodorization and dust removal system of a cascading consumable-free livestock facility according to an embodiment of the present utility model.
The deodorizing and dedusting system of the cascade consumable-free livestock facility provided by the embodiment of the utility model adopts the active PFC unit 51 to realize wide-voltage and wide-frequency input so as to improve the environmental compatibility of a power grid and the total power factor; meanwhile, the power supply system is provided with a direct current bus interface 52, and is compatible with a solar micro-grid system, so that self-powered operation is realized.
The ac input end of the active PFC unit 51 is connected in series with the main breaker 50, and the two are connected in series and then electrically connected to the main power interface 47. The main breaker 50 is connected in parallel with the fuse 48, and the surge absorber 49 is connected in series with the fuse 48 and then electrically connected to the main power supply interface 47.
The output port of the active PFC unit 51 is used for outputting direct current, and is electrically connected to the direct current bus 54. The dc bus interface 52 is electrically connected to the dc bus 54 after being connected in series with the dc power supply changeover switch 53, the dc power supply changeover switch 53 is used for switching the power input mode, and the dc bus interface 52 is used for directly inputting dc power to the dc bus 54 of the system by an external power supply.
The dc bus 54 includes five channels, respectively: the fan overload protector 55, the plasma dust removal and disinfection unit overload protector 56, the high-frequency sedimentation unit overload protector 57, the control power supply overload protector 58 and the ultraviolet tube protector 59 are electrically connected in parallel connection and are electrically connected with the direct current bus 54.
The fan overload protector 55, the plasma dust removal and disinfection unit overload protector 56, the high-frequency sedimentation unit overload protector 57 and the control power supply overload protector 58 can adopt a quick fuse, and abnormal current during fault is cut off in time; and an overload protection switch with thermomagnetic tripping can also be adopted to realize overload and short-circuit protection.
The input end of the variable frequency driver 11 is connected with the fan overload protector 55 in series and then connected to the direct current bus 54, and the output end of the variable frequency driver 11 is electrically connected with the variable frequency motor 65 and is used for providing multiphase alternating current with controllable frequency, voltage and waveform for the variable frequency motor 65 to drive the variable frequency motor 65 to operate.
The input end of the high-voltage direct current driver 63 is connected with the overload protector 56 of the plasma dedusting and sterilizing unit in series and then connected to the direct current bus 54, low-voltage electricity of the direct current bus 54 is converted into high-voltage electricity, the high-voltage electricity is electrically connected to the plasma dedusting and sterilizing unit 13 through the high-voltage cable 64, a strong electrostatic field is built on the discharge electrode plate 16 by using the high-voltage electricity, low-temperature plasma is excited, and the functions of electrostatic dedusting and low-temperature plasma sterilizing and deodorizing are realized.
Preferably, the input end of the high-frequency electric field driver 61 is connected with the high-frequency sedimentation unit overload protector 57 in series and then connected to the direct current bus 54, so that the low-voltage direct current of the direct current bus 54 is converted into high-voltage high-frequency current, and the high-frequency electric field driver is electrically connected with the high-frequency sedimentation unit 18 through the shielding cable 62.
The boost devices of the high-voltage direct current driver 63 and the high-frequency electric field driver 61 adopt resonant ceramic transformers, and boost driving is realized through an electric-ultrasonic-electric conversion path, so that the transformer has better volume advantage and reliability compared with a traditional iron core transformer.
The control power supply 60 is electrically connected to the dc bus 54 via the control power overload protector 58 for supplying power to the intelligent control subsystem 4 and the signal control subsystem 3.
The ultraviolet tube protector 59 is connected in series between the ultraviolet array 24 and the dc bus 54, and is used for limiting the working current and the tube voltage of the ultraviolet array 24 and keeping the working state stable.
In order to clearly explain the deodorizing and dedusting system of the cascade type consumable-free livestock facility provided by the embodiment of the utility model in detail, the working process of the deodorizing and dedusting system of the cascade type consumable-free livestock facility provided by the embodiment of the utility model is provided.
The working process of the deodorizing and dedusting system of the cascade consumable-free livestock facility provided by the embodiment of the utility model comprises a system preparation stage, a system starting process, a system steady-state operation process and a system dynamic regulation and control process.
In the system preparation phase, the air pollution sensor node 32 is deployed at a proper position in the animal husbandry facility as required, and the working power supply of the air pollution sensor node 32 is turned on, at which time the air pollution sensor node 32 is automatically started and enters a waiting connection state. An ac power source is connected to the main power interface 47 of the system or a dc power source is connected to the dc bus interface 52, and if the ac power source is used for supplying power, the main circuit breaker 50 is closed and the dc power supply changeover switch 53 is opened; if the dc power supply is used, the dc power supply changeover switch 53 is closed and the main breaker 50 is opened, and the system preparation stage is completed and the start-up process is entered.
During system start-up, when the system is powered on, the main CPU 29 begins to run, and the user operation panel 28 is then started to display system self-test and running status information. The main CPU unit 29 automatically loads a self-checking program, and sequentially sends self-checking instructions to the fan controller 12, the plasma dust-removing and sterilizing unit controller 25, the high-frequency sedimentation unit controller 26 and the photocatalyst air processing unit controller 27, and the system controls the variable-frequency fan subsystem 1, the plasma dust-removing and sterilizing unit 13, the high-frequency sedimentation unit 18 and the photocatalyst air processing unit 22 to sequentially complete self-checking.
In the self-checking process of the variable frequency fan subsystem 1, the fan controller 12 sends an initialization instruction to the rotating speed sensor 9 and the wind pressure sensor 10, the rotating speed sensor 9 and the wind pressure sensor 10 count to zero, initial value data are fed back to the fan controller 12, if the initial value data are within a program allowable range, the rotating speed sensor 9 and the wind pressure sensor 10 are initialized to be normal, and otherwise, the fan controller 12 records the abnormality. Then the fan controller 12 sends a self-checking instruction to the variable frequency driver 11, the variable frequency driver 11 automatically detects the state of the variable frequency motor 65 in the variable frequency fan 8, and detects the state of the loop insulation and the power device, if no error exists, the variable frequency driver 11 self-checking information is fed back to the fan controller 12, and if abnormality exists, the variable frequency driver 11 automatically breaks the power loop and feeds back the abnormality to the fan controller 12. If the self-checking flow is completed, the variable frequency drive 11 performs inching test operation, at this time, the variable frequency motor 65 in the variable frequency fan 8 is briefly operated, the fan controller 12 monitors the values of the rotation speed sensor 9 and the wind pressure sensor 10, if the inching test operation is normal, the fan controller 12 automatically feeds back the self-checking normal information to the main CPU unit 29, and then enters a hot standby state to wait for an operation instruction; if there are one or more anomalies in the variable frequency fan subsystem 1, the fan controller 12 gathers all the error information and feeds back, and then enters a shutdown state, the system is suspended, and the main CPU unit 29 sends out a corresponding warning prompt through the user operation panel 28.
In the self-checking process of the plasma dust-removing and sterilizing unit 13, the plasma dust-removing and sterilizing unit controller 25 gives a self-checking instruction to the high-voltage direct current driver 63, the high-voltage direct current driver 63 automatically detects the self state, if the self-checking is passed, the plasma dust-removing and sterilizing unit 13 is operated in a test mode, the high-voltage direct current driver 63 outputs a test voltage, the plasma dust-removing and sterilizing unit 13 is briefly electrified and operated, the system automatically completes the impedance tuning of the plasma dust-removing and sterilizing unit 13 for a plurality of times, so as to adapt to the relative humidity and pollution degree of different environments, if the plasma dust-removing and sterilizing unit 13 has short circuit or serious pollutant accumulation, the plasma dust-removing and sterilizing unit controller 25 feeds back related error information to the main CPU unit 29, and the plasma dust-removing and sterilizing unit 13 enters a shutdown state; if the self-test passes, a "self-test normal" message is fed back to the main CPU unit 29, and then a hot standby state is entered, waiting for an operation instruction.
In the self-checking process of the high-frequency sedimentation unit 18, the high-frequency sedimentation unit controller 26 sends a self-checking instruction to the high-frequency electric field driver 61, and the high-frequency electric field driver 61 self-checks; if the self-check is passed, carrying out impedance matching detection on the shielding cable 62, and automatically adjusting the carrier frequency according to the impedance state so as to avoid resonance points and avoid resonance overvoltage; after the impedance matching detection is completed, the high-frequency electric field driver 61 is briefly electrified to perform test operation, and the high-frequency sedimentation unit controller 26 automatically completes the power calibration of the high-frequency electric field driver 61 according to the test operation state. If the above flow is completed normally, the high frequency sedimentation unit controller 26 feeds back the "self-checking normal" information to the main CPU unit 29, then enters a hot standby state, waits for an operation instruction, and if one or more anomalies exist, the high frequency sedimentation unit controller 26 gathers all the error information and feeds back to the main CPU unit 29, and then enters a shutdown state.
In the self-checking process of the photocatalyst air treatment unit 22, the photocatalyst air treatment unit controller 27 firstly performs static detection to detect whether the ultraviolet tube seat 46 is provided with the available ultraviolet array 24, if the ultraviolet array 24 is installed in a ready state, the ultraviolet tube protector 59 is started, the ultraviolet tube protector 59 is electrified, the working voltage and the working current of the ultraviolet array 24 are automatically tested and adapted, if one group of ultraviolet tubes in the ultraviolet array 24 are aged and fail, the standby ultraviolet tube is started and the self-checking is performed again, and if the two groups of ultraviolet tubes are aged and fail, the photocatalyst air treatment unit controller 27 automatically feeds back the abnormality to the main CPU unit 29, and the photocatalyst air treatment unit 22 enters a shutdown state; if the self-test passes, the "self-test normal" information is fed back to the main CPU unit 29, and the hot standby state is entered, waiting for an operation instruction.
When the self-checking process described above is completed, the main CPU unit 29 performs initialization of the air intake port contaminant sensor 6, the air outlet port contaminant sensor 7, the ozone sensor 17, and the air electric field sensor 21. If the initialization is normally completed, the main CPU unit 29 loads the operation control program and displays the system start-up related information on the aforementioned user operation panel 28.
During steady state operation of the system, the main CPU 29 sends operation instructions to the fan controller 12, the plasma dust removal and disinfection unit controller 25, the high-frequency sedimentation unit controller 26 and the photocatalyst air treatment unit controller 27. The fan controller 12 sends a frequency given signal and a starting signal to the variable frequency drive 11, the variable frequency fan 8 rotates to operate, and the external air flow is sent to the cascade air treatment subsystem 2 for treatment.
The air entering the cascade air treatment subsystem 2 is passed through a pre-filter 38 to remove large particulate impurities, to perform a primary dust removal function, and then through the plasma dust removal and sterilization unit 13. The high-voltage direct current driver 63 is electrified to run, low-voltage electricity on the direct current bus 54 is converted into high-voltage electricity, a strong electrostatic field is established between the discharge electrode plates 16 in the plasma dedusting and sterilizing unit 13, low-temperature plasma is excited, a plasma pair is generated, and oxygen and water vapor contained in air are ionized into high-activity intermediate products such as atomic oxygen, hydroxyl free radicals, peroxy free radicals and the like. The high-activity intermediate product acts on microorganisms to oxidize and destroy biological macromolecules necessary for survival of the microorganisms, so that protein denaturation is caused, and the biological activities of the microorganisms (bacteria, viruses and part of fungal spores) are stopped or cannot reproduce, thereby realizing disinfection and sterilization. Meanwhile, the strong electric field charges the particle pollutants in the air, and the particle pollutants are adsorbed in the dust collecting tank (1) 33 under the action of the electrostatic field, so that the primary dust removing function is realized.
The air after primary dust removal enters the high-frequency sedimentation unit 18, the high-frequency electric field driver 61 outputs high-voltage high-frequency electricity, a high-frequency variable strong electric field is established between the discharge needle array 19 and the ground potential bus plate 20 in the high-frequency sedimentation unit 18, the charges of fine particles contained in the air are neutralized, meanwhile, the effective collision probability of the fine particles is increased, the coagulation occurs, namely the equivalent particle size of the particles is obviously increased, the particles are adsorbed by the ground potential bus plate 20, and the particles fall into the dust collecting groove (2) 34 under the influence of wind power and gravity after the size is increased to a certain extent, so that the secondary dust removal function is realized.
The air after secondary dust removal enters the photocatalyst air treatment unit 22, the ultraviolet tube protector 59 is electrified to operate, the ultraviolet array 24 is used as an ultraviolet light source to emit ultraviolet rays with the wavelength of 238nm-254nm, tiO 2 in the photocatalytic medium 23 is excited to generate hole-electron pairs, and the photocatalyst reduces the reaction activation energy on one hand and provides the reaction energy on the other hand, so that the digestion reaction is carried out rapidly and efficiently. When pollutant gas and oxygen in the air are contacted with the surface of the TiO 2, a surface adsorption effect is generated, electrons are lost and transferred to holes by the reducing pollutants, and organic molecules are excited to an unstable intermediate state; meanwhile, oxygen and oxidative pollutants are reduced by electron transfer to obtain electrons, the process is a chain reaction, and the chain reaction is continuously carried out under the excitation of light until stable products are obtained, and at the moment, the pollutants are thoroughly decomposed, and the products are harmless H 2O、N2、CO2, sulfate and the like.
In the dynamic regulation and control process of the system, the pollutant concentration and ventilation quantity in the actual environment have time variability, so that the system is in the dynamic regulation and control process in actual operation. The main CPU unit 29 monitors the content of air pollutant fine particles, NH 3、H2 S, organic pollutants etc. in the livestock facility through the air pollutant sensor node 32, and regulates the operation mode of the cascade air treatment subsystem 2 according to different pollutant compositions and concentrations. Meanwhile, the main CPU 29 monitors the pollutant concentration difference of the pollutant sensor 6 at the air inlet and the pollutant sensor 7 at the air outlet, and the feedback control regulates and controls the actual purification performance of the cascade air treatment subsystem 2 and the air intake quantity of the variable frequency fan 8, so that the energy consumption is reduced while the purification efficiency is ensured.
During operation of the plasma dust removal and disinfection unit 13 and the high frequency sedimentation unit 18, if the applied voltage is too high, O 3 is generated and the output air is excessively electrostatically charged, causing secondary pollution and degrading the system performance. The main CPU unit 29 thus monitors the O 3 concentration and the air field strength in the air-cleaning passage 35 in real time by the ozone sensor 17 and the air field sensor 21, and feedback-controls the high-frequency electric field driver 61 and the high-voltage direct current driver 63 to control the O 3 concentration and the air field strength generated by the apparatus within safe ranges.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. The deodorizing and dedusting system of the cascade consumable-free livestock facility is characterized by comprising a variable-frequency fan subsystem (1), a cascade air treatment subsystem (2), a signal control subsystem (3), an intelligent regulation subsystem (4) and a distributed sensor subsystem (5); the variable-frequency fan subsystem (1) and the distributed sensor subsystem (5) are respectively in information connection with the intelligent regulation subsystem (4) to realize bidirectional information transmission and control; the cascade air processing subsystem (2) is in information connection with the signal control subsystem (3) to realize bidirectional information transmission and control;
The cascade air treatment subsystem (2) comprises a plasma dust removal and disinfection unit (13), an ozone sensor (17), a high-frequency sedimentation unit (18), an air electric field sensor (21) and a photocatalyst air treatment unit (22); the plasma dust removal and disinfection unit (13), the ozone sensor (17), the high-frequency sedimentation unit (18), the air electric field sensor (21) and the photocatalyst air treatment unit (22) are sequentially arranged in the air purification channel (35) in a cascading manner; the ozone sensor (17) senses the operating voltages of the plasma dust-removing and sterilizing unit (13) and the high-frequency sedimentation unit (18) and the amount of generated ozone; the air electric field sensor (21) senses electric field intensity and leakage current intensity in the air cleaning passage (35).
2. The cascade type consumable-free livestock facility deodorizing and dedusting system according to claim 1, wherein the variable frequency fan subsystem (1) comprises a variable frequency fan (8), a rotating speed sensor (9), a wind pressure sensor (10), a variable frequency driver (11) and a fan controller (12); the variable frequency drive (11) is electrically connected with the variable frequency motor (65), and the variable frequency fan (8) is electrically connected with the variable frequency drive (11), so that the variable frequency drive (11) controls the variable frequency motor (65) to drive the variable frequency fan (8) to perform variable frequency adjustment; the rotating speed sensor (9) and the wind pressure sensor (10) are electrically connected with the fan controller (12) and are used for measuring rotating speed and air flow rate and feeding back signals to the fan controller (12), the fan controller (12) stably controls the air quantity and the running speed of the variable-frequency fan (8), and simultaneously feeds back the signals to the intelligent regulation subsystem (4) and receives control instructions from the intelligent regulation subsystem (4).
3. The deodorizing and dedusting system for a cascading consumable-free livestock facility according to claim 2, characterized in that the signal control subsystem (3) comprises a plasma dedusting and sterilizing unit controller (25), a high-frequency sedimentation unit controller (26) and a photocatalyst air treatment unit controller (27); the input ports of the plasma dust removal and disinfection unit controller (25), the high-frequency sedimentation unit controller (26) and the photocatalyst air treatment unit controller (27) are respectively and electrically connected with the intelligent regulation subsystem (4) and receive control instructions from the intelligent regulation subsystem (4); the plasma dust removal disinfection unit controller (25), the high-frequency sedimentation unit controller (26) and the photocatalyst air treatment unit controller (27) are respectively and electrically connected with the plasma dust removal disinfection unit (13), the high-frequency sedimentation unit (18) and the photocatalyst air treatment unit (22) and are used for controlling the running states of the plasma dust removal disinfection unit (13), the high-frequency sedimentation unit (18) and the photocatalyst air treatment unit (22).
4. A cascade type consumable-free livestock facility deodorizing and dedusting system according to claim 3, characterized in that the intelligent regulation subsystem (4) comprises a user operation panel (28), a main CPU unit (29), a wireless network adapter (30) and a radio frequency communication antenna (31); the main CPU unit (29) is electrically connected with the input ports of the plasma dust removal and disinfection unit controller (25), the high-frequency sedimentation unit controller (26) and the photocatalyst air treatment unit controller (27) and the fan controller (12); the user operation panel (28) is electrically connected with the main CPU unit (29) and is used for displaying the whole running state of the system, environmental pollution data and other information, so as to realize the control of the user on the whole system; the wireless network adapter (30) is electrically connected with the main CPU unit (29); the radio frequency communication antenna (31) is electrically connected with the wireless network adapter (30) and is used for transmitting and receiving radio signals to realize radio communication between the distributed sensor subsystem (5) and the intelligent regulation subsystem (4).
5. The system according to claim 4, wherein the distributed sensor subsystem (5) comprises an air intake contaminant sensor (6), an air outlet contaminant sensor (7) and no less than and two air contaminant sensor nodes (32); the air pollutant sensor node (32) establishes a radio channel with the radio frequency communication antenna (31) to realize information communication with the intelligent regulation subsystem (4); the air inlet pollutant sensor (6) and the air outlet pollutant sensor (7) are respectively and electrically connected with the main CPU unit (29) to form a differential detection structure for respectively detecting the pollutant content in the air entering the system and the treated air.
6. The deodorization and dust removal system of the cascading consumable-free livestock facility according to claim 1, wherein the plasma dust removal and disinfection unit (13) comprises a negative electrode bus plate (14), a positive electrode bus plate (15), a discharge electrode plate (16), an equipotential grounding terminal (37), an electric field shielding cover plate (40) and a high voltage wiring port (41); the discharge electrode plates (16) are provided with a plurality of positive potential-negative potential which are arranged in a crossed sequence, are respectively and electrically connected with the negative electrode bus plate (14) and the positive electrode bus plate (15) and are used for forming a high-voltage electric field after the plasma dust-removing and sterilizing unit (13) is electrified to excite low-temperature plasma so as to realize the functions of air sterilization and electrostatic dust removal; the electric field shielding cover plate (40) is arranged on the surface of the plasma dust-removing and sterilizing unit (13), is electrically connected with the equipotential grounding terminal (37), keeps the ground potential and is used for shielding a strong electric field in the plasma dust-removing and sterilizing unit (13); the high-voltage wiring port (41) is electrically connected with the negative electrode bus plate (14) and the positive electrode bus plate (15) respectively and is used for transmitting high-voltage direct current.
7. The deodorizing and dedusting system for a cascading consumable-free livestock facility according to claim 6, characterized in that the high-frequency sedimentation unit (18) comprises a discharge needle array (19), a ground potential bus plate (20), an insulating frame (42), a discharge gap (43) and a potential balance plate (44); the discharge needle array (19) is mechanically connected with the insulating frame (42) and is electrically insulated from the air purification channel (35) and the ground potential bus plate (20); the discharge gap (43) exists between the discharge needle array (19) and the ground potential bus plate (20) to form a capacitor for constructing a high-frequency electric field, and a physical space required by settling extremely fine particles in the high-frequency electric field is provided; the ground potential bus plate (20) is mounted at the front end of the potential balance electrode plate (44), and the equipotential ground terminal (37) is grounded to maintain the ground potential.
8. The deodorizing and dedusting system for a cascading consumable-free livestock facility according to claim 1, characterized in that said photocatalytic air treatment unit (22) comprises an ultraviolet array (24), a photocatalytic medium (23), a photocatalytic reaction chamber (45) and an ultraviolet tube seat (46); the photocatalytic reaction cavity (45) is of a cylindrical barrel-shaped structure, and a porous photocatalytic medium (23) is coated inside the photocatalytic reaction cavity; the ultraviolet array (24) is electrically connected with the ultraviolet tube seat (46) and is arranged in the photocatalytic reaction cavity (45) and used for emitting ultraviolet rays after being electrified to excite a photocatalytic reaction; the mechanical part of the ultraviolet tube seat (46) is mechanically connected with the tail end of the photocatalytic reaction cavity (45) and is used for fixing the ultraviolet array (24), and the relative position of the ultraviolet array (24) and the inner wall of the photocatalytic reaction cavity (45) is kept unchanged.
9. The deodorization and dust removal system of the cascade type consumable-free livestock facility according to claim 6, wherein not less than two dust collection grooves and exhaust outlet electric field neutralization grids (36) are installed at the lower part of the air purification channel (35); the dust collecting tank is used for collecting settled particles; the air purification channel (35) adopts a rigid metal structure, the front end of the air purification channel (35) is mechanically connected with the variable frequency fan (8), and the rear end of the air purification channel is mechanically connected with the air outlet electric field neutralization grid (36) to form an air flow channel; the exhaust electric field neutralization grid (36) is electrically connected with the air purification channel (35) and then connected to the equipotential grounding terminal (37), so that the system grounding is realized, and the air purification channel (35) is kept at the ground potential.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202323175249.XU CN221182268U (en) | 2023-11-23 | 2023-11-23 | Cascade type consumable-free deodorizing and dedusting system for livestock facility |
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| CN202323175249.XU CN221182268U (en) | 2023-11-23 | 2023-11-23 | Cascade type consumable-free deodorizing and dedusting system for livestock facility |
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| CN202323175249.XU Active CN221182268U (en) | 2023-11-23 | 2023-11-23 | Cascade type consumable-free deodorizing and dedusting system for livestock facility |
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