Outdoor deodorizing box

Abstract

The utility model discloses an outdoor deodorizing box, which comprises a box body, an air inlet and an air outlet are arranged at two ends of the box body, a rat-proof net is mounted at the air outlet, and the air inlet is connected with a variable-diameter connecting section. Illuminating lamps and deodorizing filter screens are installed in the box body, modified photocatalyst titanium dioxide powder deodorants are attached to the deodorizing filter screens, and the illuminating lamps are arranged between the deodorizing filter screens. The number of the layers of the deodorizing filter screens is not more than five, and the deodorizing filter screens are installed on the inner frame or the insertion frame in the box body through the cooperation of the grooves and the rubber strips. And the plug-in frame is matched and sealed with the opening of the box body side plate. The device is simple in structure and can be mounted on an exhaust pipeline. The modified photocatalyst titanium dioxide can efficiently remove peculiar smell in a short time, and purification of exhausted air is achieved.

Description

Technical Field

[0001] The utility model is applied to the fields of poultry and livestock breeding, and relates to odor removal, in particular to an outdoor odor removal box installed on an indoor exhaust duct. Background Art

[0002] Modern poultry and livestock farming mostly adopts automated or semi-automated farming. For example, laying hen farming has a strong odor in the chicken house, and an exhaust device is needed to replace the air. The first is to reduce the odor in the chicken house by ventilation, and the second is to adjust the temperature in the chicken house to provide a more suitable environment for laying hens. However, the odor discharged from the outside is not treated, resulting in a serious odor around the chicken farm. Therefore, the chicken farm is required to be no less than 500 meters away from the village, especially in areas where chickens are concentrated. Even if it is built according to the above requirements, the surrounding area is still smelly.

[0003] There are many patent applications for deodorization, most of which are for indoor odor removal, and there are few odor removal devices for large spaces. The main methods for removing odor indoors are ventilation, adsorption, and covering. Open windows, exhaust fans, or other methods to achieve air circulation inside and outside the room, or spray scented chemical reagents to cover the odor, or use activated carbon adsorption to remove odors, such as CN218130922U, an activated carbon adsorption device. Or a combination of methods, such as CN104279636B, an air deodorization, purification, and humidification device and method, in addition to using activated carbon, also uses ultraviolet light sterilization to purify the air.

[0004] CN212997646U provides a deodorization system using two-way ventilation, including a blower, a bellows and a deodorant containing device for deodorizing a factory building. The bellows is arranged on the wall of the factory building, and is provided with an air outlet and an air inlet. The deodorant containing device is installed on the bellows, and a leakage hole is arranged at the bottom. The deodorant flows into the bellows through the leakage hole and is blown into the factory building to realize indoor ventilation and deodorization. The deodorant in the deodorization system is wrapped by the fresh air outside the factory building, and has no contact with the odor in the factory building, and does not play the role of removing the odor, but only replaces the fresh air and increases the fragrance.

[0005] CN219231970U discloses a nano photocatalyst air deodorization device, in which a deodorization box is provided with a suction fan, an exhaust fan and a primary filter screen, and the gas passes through a photocatalyst deodorization filter plate, and is irradiated by an ultraviolet lamp to produce a photocatalytic reaction, and the photocatalyst deodorization filter plate produces a strong catalytic degradation function, which can effectively degrade toxic and harmful gases in the air; it can effectively kill a variety of bacteria, and can decompose and harmlessly treat toxins released by bacteria or fungi, thereby achieving a deodorization effect, and at the same time, it also has the functions of removing formaldehyde, resisting pollution, purifying air, etc., and has a good treatment effect on the air. The gas purified by the photocatalyst deodorization filter plate is then discharged from the deodorization box through the exhaust fan in the air outlet pipe, thereby achieving a circulating deodorization effect on the air. The structure of the moving parts of the deodorization device is relatively complex, which is not conducive to marketization. Moreover, the photocatalyst deodorization filter plate has only one layer, and although it has a deodorization function, the deodorization effect is limited. Utility Model Content

[0006] The technical problem solved by the utility model is to provide an outdoor deodorizing box which is installed on an exhaust duct, and the air contacts with a modified photocatalyst titanium dioxide deodorizing agent on a multi-layer filter screen, and utilizes the principle of photocatalysis to degrade odor, thereby achieving the effect of efficiently removing odor.

[0007] The technical solution adopted by the utility model is: the outdoor deodorization box includes a box body, with air inlet and air outlet at both ends, and a radiation lamp and a deodorization filter are installed in the box body. The mesh of the deodorization filter is ventilated, and a deodorant is attached to the deodorization filter. The deodorant can be a photocatalyst titanium dioxide powder, and it is preferable to use modified photocatalyst titanium dioxide powder, which has a better deodorization effect. In the outdoor deodorization box, the radiation lamp is arranged between the deodorization filters to provide visible light or ultraviolet light for the deodorant. The deodorization filter should not exceed five layers to reduce ventilation resistance.

[0008] Preferably, a row of irradiation lamps and a layer of deodorizing filter are installed in the box, and the outdoor deodorizing box is formed by sealing and connecting multiple boxes with fasteners. An inner frame is fixed on the inner wall of the box, and a groove is designed around the inner frame. The groove cooperates with the rubber strip, and the deodorizing filter is installed on the inner frame by elastically deforming the rubber strip in the groove.

[0009] Preferably, the box body is square, and an opening is processed on the side panel, and the opening is inserted into the plug-in frame, and the plug-in frame is sealed with the opening; the deodorizing filter is installed on the plug-in frame. Inner frames are arranged on both sides of the opening; the spacing between the inner frames corresponds to the thickness of the plug-in frame. A groove is designed around the plug-in frame, and the groove cooperates with the rubber strip, and the deodorizing filter is installed on the plug-in frame by utilizing the elastic deformation of the rubber strip in the groove.

[0010] Preferably, in order to prevent animals such as rats and birds from damaging the filter in the box, a rat-proof net is installed at the air outlet.

[0011] Preferably, the air inlet is connected to a reducing connecting section, and the size of the reducing connecting section increases along the air flow direction to reduce the air flow rate and provide conditions for sufficient contact with the deodorant.

[0012] In addition, the deodorizing filter at the air inlet of the outdoor deodorizing box can be replaced with a filter that only filters the dust in the air to avoid dust covering the deodorizing function of the deodorizing filter.

[0013] The utility model has the following beneficial effects: the utility model has a simple structure and can be installed on the exhaust duct. The modified photocatalyst titanium dioxide can effectively and quickly remove odors and has a sterilization function to purify the exhaust air. It can also be installed on the air inlet window of the factory, which is helpful for air purification and sterilization in the factory. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a front view schematic diagram of embodiment 1;

[0015] Figure 2 yes Figure 1 Schematic diagram of the left side;

[0016] Figure 3 yes Figure 1 AA cross-sectional view of ;

[0017] Figure 4 yes Figure 1 BB cross-sectional view;

[0018] Figure 5 is a front view schematic diagram of Embodiment 2;

[0019] Figure 6 yes Figure 5 Schematic diagram of CC cross-section;

[0020] Figure 7 yes Figure 6 DD cross-sectional diagram;

[0021] Figure 8 is a front view schematic diagram of Embodiment 3;

[0022] Fig. 9 is a front view schematic diagram of Embodiment 4;

[0023] Fig.10 is a front view schematic diagram of Embodiment 5;

[0024] In the figure: 1-air duct, 2-connecting section, 3-flange, 4-fastener, 5-box, 6-insertion frame, 7-rat-proof net, 8-inner frame, 9-irradiation lamp, 10-deodorizing filter, 11-rubber strip, 12-filter;

[0025] 21-fixed shaft, 22-groove-shaped rotating arm, 23-moving shaft, 24-handle, 25-eccentric wheel;

[0026] 31-Ventilation main. DETAILED DESCRIPTION Example 1

[0027] The structure of the outdoor deodorizing box in this embodiment is shown in the attached Figure 1-4 As shown, it includes a box body 5, and an irradiation lamp 9 and a deodorizing filter 10 in the box body. The two ends of the box body 5 are air inlet and air outlet, and the side plate of the box body is processed with an opening and sealed with an insert frame 6, as shown in the attached Figure 1 As shown. The deodorizing filter 10 is attached with a modified photocatalyst titanium dioxide powder deodorizer, and the irradiation lamp 9 is fixed to the inner wall of the box 5 and arranged between the deodorizing filters 10, providing good lighting conditions for the modified photocatalyst titanium dioxide powder deodorizer on each layer of the deodorizing filter 10. When the mesh on the deodorizing filter passes through the air, the deodorizer attached to the filter can fully contact with the flowing air, which greatly increases the contact area between the odor in the air and the deodorizer, and enhances the deodorizing effect and deodorizing efficiency.

[0028] The deodorizing filter 10 is fixed on the insert frame 6. A groove is designed around the insert frame 6, and the groove cooperates with the rubber strip 11. The deodorizing filter 10 is fixed on the insert frame 2 through the elastic deformation of the rubber strip 11 in the groove. This fixed connection method facilitates the installation and replacement of the deodorizing filter 10.

[0029] An inner frame 8 is fixed on the inner wall of the box body. The inner frame 8 is located on both sides of the side panel opening. The distance between the two inner frames corresponds to the thickness of the insertion frame. After the insertion frame is inserted into the inner frame, the two form a curved surface seal. At the same time, the inner frame plays a guiding role in the insertion of the insertion frame.

[0030] Under the condition of the same floor space, the square ventilation area is the largest. The cross section of the box in this embodiment is square. According to the flow direction of air, it flows from front to back. Figure 3 As shown by the arrow. The air inlet of the box is a variable diameter connecting section 2 connected to the air duct 1. Along the air flow direction, the size of the variable diameter connecting section 2 gradually increases. Since the air duct 1 is circular and the box 5 is square, the connecting section 2 is a round-the-sky-square-square structure. The main function of the connecting section 2 is to expand the ventilation area. When the external exhaust air volume is constant, the wind speed in the box is reduced, and the ventilation speed of the deodorizing filter is reduced, which is conducive to the full contact and reaction between the odor in the air and the deodorizing agent, and enhances the degradation and sterilization function of the deodorizing agent. At the same time, the connecting section 2 converts the kinetic energy of the air circulating in the air duct 1 into potential energy, generates pressure, and is conducive to the gas passing through the deodorizing filter and being discharged from the air outlet.

[0031] To prevent animals such as rats and birds from damaging the filter screen in the box, install a rat-proof net 7 at the air outlet of the box. Figure 2The rodent-proof net 7, the connecting section 2 and the box body 5 are connected by a flange 3 and a fastener 4, and the installation is simple. The flange 3 is used for sealing connection, and the fastener 4 is detachable and replaceable.

[0032] The deodorizing filter at the front end of the box, that is, the deodorizing filter at the air inlet, can be replaced with a filter 12, whose main function is to purify dust in the exhaust air to prevent dust from covering the modified photocatalyst titanium dioxide powder on the deodorizing filter, causing the function of purifying odors to be weakened, and ensure that the deodorizing agent can continue to have a long-term deodorizing function. The deodorizing filter at the front end can also play an air filtering role, but it covers the deodorizing agent on its windward side, while the deodorizing agent on its leeward side can still play a role in removing odors.

[0033] In order to enhance the effect and efficiency of removing odor, the deodorizing filter should have 2-4 layers. Fewer layers means smoother ventilation, but the odor removal effect is slightly worse. More layers means that the odor is removed thoroughly, but the ventilation resistance increases. According to tests, three layers of filters have achieved an effect of removing more than 90% of odor (the test is only for ammonia and hydrogen sulfide gases). Standing at the air outlet, you can no longer smell the odor, so there is no need to set up five or more layers of filters. A spare plug-in frame is set in the box to facilitate the adjustment of the number of filter layers and the replacement of the filter.

[0034] Modified photocatalyst titanium dioxide is obtained by modifying photocatalyst titanium dioxide. Photocatalyst titanium dioxide is a photo-semiconductor material with photocatalytic function. Under the action of ultraviolet light or visible light, it produces strong catalytic degradation function, can effectively degrade toxic and harmful gases in the air, can effectively kill a variety of bacteria, and can decompose and harmlessly treat toxins released by bacteria or fungi. At the same time, it also has the functions of removing formaldehyde, deodorizing, anti-fouling, and purifying the air. Modified photocatalyst titanium dioxide is modified on the basis of photocatalyst titanium dioxide. The modified material is attached to the surface of photocatalyst titanium dioxide particles, so that the entire spherical surface of titanium dioxide particles has a catalytic effect. Regardless of the light side or the backlight side, the electron-hole pairs generated under ultraviolet or visible light conditions are doubled, and it has the function of rapid absorption and rapid degradation, thereby doubling the degradation rate of titanium dioxide for odor. In order to enhance the deodorizing effect and efficiency, and to remove odors after air flow, the deodorizer uses modified photocatalyst titanium dioxide.

[0035] The main components of modified photocatalyst titanium dioxide are photocatalyst titanium dioxide and modifying materials, and the modifying materials are light inducers and light absorbers. Photocatalyst titanium dioxide particles and modifying materials are mixed in a solvent, and are manufactured into modified photocatalyst titanium dioxide nanopowders through stirring, impregnation, grinding and other process flows. All processes are physical methods, and there is no chemical reaction. The purpose of stirring is to promote the dissolution of the modifying material in the solvent, and to promote the dispersion of titanium dioxide particles and full contact with the modifying material; the purpose of impregnation is to infiltrate the modifying material solution into the surface and cavities of titanium dioxide particles; the purpose of grinding is to evenly disperse the nano-scale titanium dioxide particles. The product is ground into a paste, and when used, it is diluted with water in proportion, and inorganic adhesives such as water glass, silica sol, etc. are added at the same time to become a deodorant liquid. Spray on the filter or directly immerse the filter in the evenly stirred deodorant liquid. After drying, the deodorant modified photocatalyst titanium dioxide powder is bonded to the filter by the inorganic adhesive to become a deodorant filter. After the deodorant liquid dries, the water and solvent evaporate, and the modified material precipitates as a solute and adheres to the surface and cavities of the nano-sized titanium dioxide particles, becoming modified photocatalyst titanium dioxide. Under the premise that the deodorant is not covered, the modified photocatalyst titanium dioxide can continue to deodorize for more than one year.

[0036] Modified photocatalyst titanium dioxide has photocatalytic properties. Its catalytic effect is best achieved under visible light or ultraviolet light. Therefore, an irradiation lamp is installed in the box to provide lighting conditions for the modified photocatalyst titanium dioxide and give full play to the catalytic effect of the photocatalyst titanium dioxide. The irradiation lamp uses a safe voltage and is preferably connected to the power supply using a USB interface. The USB ultra-low safety voltage will not cause leakage or fire accidents, thereby enhancing safety. The irradiation lamp can emit visible light or ultraviolet light, and its main function is to emit light. It is appropriate to use a low-power LED lamp.

[0037] When this embodiment is used, the connecting section is used to connect the outdoor air duct outlet and the air inlet of the box body, without involving modification of the exhaust device structure. Example 2

[0038] The structure of the outdoor deodorizing box in this embodiment is shown in the attached figure. Figure 5-7 As shown, multiple boxes 5 are connected by flanges 3 and fasteners 4. In each box 5, a row of irradiation lamps 9 and a layer of deodorizing filter 10 are installed. The row can be one, or multiple neatly arranged. The deodorizing filter 10 is installed on the inner frame 8, and the installation method is the same as the installation method of the deodorizing filter and the plug-in frame in Example 1. The inner frame 8 is fixed to the inner wall of the box and is sealed.

[0039] Compared with Example 1, this embodiment has no openings on the side panels of the box body, no plug-in plates, and the number of inner frames on the inner wall of the box body is reduced by half. The box body structure is simpler, interchangeable, and easy to mass produce. However, the fasteners on the flange need to be removed to replace the filter, which is slightly more troublesome than Example 1. However, the filter screen of the utility model is not frequently replaced, and is usually checked once every three months or more.

[0040] In this embodiment, since there is no plug-in plate, the deodorizing filter is installed on the square frame on the inner wall of the box. The cross-section of the box can be various shapes such as a circle, and in particular, it can be specially made according to the actual conditions of a specific site, without the shape restrictions in Embodiment 1. Example 3

[0041] This embodiment is an improvement on the fastener structure of embodiment 2. Figure 8 As shown. In the above embodiment, the fastener 4 adopts a bolt and nut structure, while the fastener 4 of this embodiment adopts a clamping structure, including a fixed shaft 21, a grooved rotating arm 22, a movable shaft 23, a handle 24, and an eccentric wheel 25. The fixed shaft 21 is fixedly mounted on the flange 3, one end of the grooved rotating arm 22 is rotatably connected to the fixed shaft 21, and the other end is fixedly connected to the movable shaft 23, the eccentric wheel 25 is rotatably connected to the movable shaft 23, and the handle 24 is fixedly mounted on the eccentric wheel 25. The eccentric wheel here does not mean that the wheel is eccentric, but that the center of the wheel does not coincide with the center of the movable shaft 23.

[0042] When the box bodies are connected, the grooved rotating arm 22 rotates around the fixed axis 21, rotating the movable axis 23 to the disk side of the other flange, and then the handle 24 is turned to drive the eccentric wheel 25 to rotate. The size of the eccentric wheel 25 from the disk side gradually decreases. When the eccentric wheel contacts the side of the disk, the elastic deformation of the eccentric wheel is used to achieve the purpose of fastening the two flanges.

[0043] The grooved rotating arm and the handle of the fastener of this embodiment have the same rotation direction for tightening and loosening, which is beneficial to the tightening and loosening operation of the fastener. Compared with embodiment 2, the tightening and loosening operation of this embodiment is more convenient. Example 4

[0044] This embodiment is an improvement on the embodiment 3. Since the pressing structure in the embodiment 3 has many parts and high manufacturing cost, it is changed to the plug-in structure of this embodiment. Fig. 9 As shown. The plug-in curved surface seal is used and connected with fasteners 4 to prevent separation. The fasteners are screws, and 2-4 screws are evenly distributed axially, so that the box can be easily disassembled and assembled. Example 5

[0045] This embodiment is an application embodiment. For example, in order to enhance the ventilation effect of a chicken house, the air volume of the exhaust fan is usually large. In order to meet the air volume requirements of the exhaust fan and the effect of removing odors, the deodorizing filter needs to have a larger ventilation area to reduce the wind speed of the exhaust air, which also requires the deodorizing filter to have a larger area. In order to prevent the filter from being damaged due to insufficient ventilation strength due to the increase in area, for this purpose, as shown in the attached Fig.10 As shown, multiple deodorizing boxes are installed on the ventilation main 31. By increasing the number of deodorizing boxes, the ventilation area of ​​the filter screen is increased. This installation method is not only conducive to reducing the size of the box body and the filter screen, but also can achieve the uniformity of the box body size, facilitate production and manufacturing, and have interchangeability.

[0046] It should be noted that: 1) Since there are irradiation lamps on both sides of the deodorizing filter, the deodorizer can be replaced by modified photocatalyst titanium dioxide to photocatalyst titanium dioxide, but the deodorizing effect and efficiency of photocatalyst titanium dioxide are not as good as those of modified photocatalyst titanium dioxide. The difference between modified photocatalyst titanium dioxide and photocatalyst titanium dioxide is whether the deodorizing liquid contains modified materials. The modified photocatalyst titanium dioxide is added to the deodorizing liquid. The method of attaching to the filter is the same. 2) In the utility model, if a soft rubber strip is set around the periphery of the insertion frame and the soft rubber strip is used to seal with the inner wall of the box, an inner frame may not be set, so as to simplify the box structure and facilitate the manufacture of the box. Because of the sealing of the inner frame, the function of forcing air to flow from the filter is the main function, and the insertion guide is only an auxiliary function.

[0047] The utility model has a simple structure and does not require the structure of the exhaust device to be changed. It can be installed on the exhaust duct. The modified photocatalyst titanium dioxide can effectively and quickly remove odors and eliminate the odors in the air around the farm. At the same time, the bactericidal function of the modified photocatalyst titanium dioxide can purify the air. If the utility model is installed on the air inlet window of the breeding plant and the connecting section is replaced with a rat-proof net, it will help purify and sterilize the air in the breeding plant.

Claims

1. An outdoor deodorizing box, comprising a box body, with air inlets and air outlets at both ends, characterized in that: An irradiation lamp (9) and a deodorizing filter (10) are installed in the box; the mesh of the deodorizing filter (10) is ventilated, and a deodorizing agent is attached to the deodorizing filter (10); in the outdoor deodorizing box, the irradiation lamp (9) is arranged between the deodorizing filters (10).

2. An outdoor deodorizing box according to claim 1, characterized in that: A row of irradiation lamps (9) and a layer of deodorizing filter (10) are installed in the box body, and the outdoor deodorizing box is formed by sealingly connecting the box body with fasteners.

3. An outdoor deodorizing box according to claim 2, characterized in that: An inner frame (8) is fixed to the inner wall of the box body, and the deodorizing filter (10) is mounted on the inner frame (8).

4. The outdoor deodorizing box according to claim 1, characterized in that: The box body is square, and an opening is processed on the side plate, the opening is inserted into the insertion frame (6), and the insertion frame (6) is sealed with the opening; the deodorizing filter (10) is installed on the insertion frame (6).

5. The outdoor deodorizing box according to claim 4, characterized in that: A groove is designed around the periphery of the insert frame (6), and the groove cooperates with the rubber strip. The rubber strip elastically deforms in the groove to fix the deodorizing filter (10) on the insert frame (6).

6. The outdoor deodorizing box according to claim 4, characterized in that: Inner frames (8) are arranged on both sides of the opening; the spacing between the inner frames (8) corresponds to the thickness of the insertion frame (6).

7. The outdoor deodorizing box according to claim 1, characterized in that: The air outlet is equipped with a rat-proof net.

8. The outdoor deodorizing box according to claim 1, characterized in that: The air inlet is connected to a variable diameter connecting section (2), and the variable diameter connecting section (2) increases in size along the air flow direction.

9. The outdoor deodorizing box according to claim 1, characterized in that: The deodorizing filter (10) at the air inlet is replaced with a filter.

10. The outdoor deodorizing box according to claim 1, characterized in that: The deodorizing filter (10) has no more than five layers.

Images