Dust hood for feed opening
By designing a dust collection hood for the discharge port, combined with an exhaust pipe and a vibration plug, the problems of low dust collection efficiency and difficult cleaning of existing dust collection hoods have been solved, achieving efficient dust collection and convenient cleaning, thus protecting the production environment and worker health.
Patent Information
- Application Number
- CN202423278396.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing dust collection hoods suffer from low dust collection efficiency and difficult maintenance during the loading process. In particular, they are difficult to completely capture drug dust with low density, and viscous drugs are prone to accumulation and difficult to clean, which affects production efficiency and safety.
A dust collection hood for a discharge port has been designed, including a hood body and a discharge port. The hood body is equipped with an air extraction pipe and a vibration plug. The air extraction pipe extends to both sides of the discharge port. The bottom is designed to be spacious to facilitate dust collection. The discharge port can be replaced with a spiral or flange structure for easy cleaning. The vibration plug can drive the discharge port to vibrate to prevent accumulation.
It effectively reduces dust diffusion, improves dust removal efficiency, simplifies the cleaning process, reduces the risk of environmental pollution, and ensures production stability and safety.
Smart Images
Figure CN223658460U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust removal equipment technical field, especially a kind of unloading port dust hood. BACKGROUND
[0002] Bagged powder pesticide is widely used in pest control, to protect crops and improve crop quality, food safety, promote the sustainable development of modern agriculture, while reducing the negative impact on the environment, to ensure the safety and quality of agricultural products.
[0003] Bagged pesticide in industrial production process, especially material conveying, bagging link, usually directly utilize unloading port to send pesticide into bag, unloading port is prone to a large amount of dust, not only pollute the working environment, the diffusion of dust will also pose a threat to the health of workers, so it is necessary to install dust hood to reduce the dispersion of drug dust in the air, reduce the risk of workers inhaling harmful dust, so as to protect the health of workers' respiratory system.
[0004] The dust hood commonly seen on the market is a square sealed box, an opening is provided at the top, so that the unloading port enters the box body from the opening, and the bagging operation is carried out in the box body. This design can reduce the dispersion of drug dust in the environment and reduce the damage to the environment and the harm to the human body.
[0005] However, for drugs with small density, the drug powder is easy to adhere to the inner wall of the box after scattering. Based on the dust hood of the above-mentioned sealed box type, an air extraction pipe is installed in the sealed box to form a negative pressure in the sealed box, and the drug dust is extracted through the air extraction pipe to reduce the adhesion of the dust in the box. However, continuous loading is required in the sealed box, and the loading bag needs to be continuously sent into the sealed box or sent out of the sealed box, so that the effect of forming negative pressure when completely sealed cannot be achieved, and the extraction and collection effect of the dust is difficult to achieve the expected effect.
[0006] At the same time, if some wet powder with relatively viscous texture is encountered, the drug is easy to accumulate in the unloading port when it falls off from the unloading port, which is difficult to clean. If only the sealed box with air extraction pipe is used, on the one hand, it cannot solve the problem of material adhesion at the unloading port, and on the other hand, it needs to be opened manually to clean the unloading port when the drug needs to be replaced, which is difficult to clean. If it is not cleaned in time, it will not only affect the amount of material coming out of the unloading port, leading to insufficient bagging amount, but also increase the risk of drug pollution.
[0007] In summary, the existing dust hood often has problems such as low dust removal efficiency and difficult maintenance, which cannot meet the current production needs. Therefore, there is an urgent need for an unloading port dust hood that can reduce the dispersion of drug during filling and is easy to clean and collect. UTILITY MODEL CONTENTS
[0008] To solve the problems mentioned in the background art, overcome the above shortcomings, the utility model provides the following technical scheme:
[0009] A blanking port dust cover, including dust cover cover body, blanking port, blanking port is connected with the blanking pipe discharge port, dust cover cover body is arranged above blanking port, and is fixed with blanking pipe, finally completes pesticide bag.
[0010] The dust cover cover body is internally hollow structure, the dust cover cover body top is equipped with opening, the blanking pipe is inserted through the top opening, the dust cover cover body is fixed on the blanking pipe, the connection of the dust cover cover body and blanking pipe is completed;
[0011] Further, the dust cover cover body is narrow in the upper part and wide in the lower part, the upper part is narrow and has an opening at the top, the inside of the top opening is provided with a spiral structure or a flange structure, the dust cover cover body gradually decreases from bottom to top, the lower part is wide, has a certain height and the bottom section is square or circular, which achieves the effect of completely covering the surrounding area of the blanking port.
[0012] Further, the top opening of the dust cover cover body is circular and has threads inside.
[0013] The dust cover cover body is provided with an air extraction pipe, the top of the air extraction pipe is connected to an air extraction device, the bottom of the air extraction pipe passes through the outer wall of the dust cover cover body and extends to the hollow area inside the dust cover cover body near the blanking port.
[0014] Further, the air extraction pipe has two, the two air extraction pipes each extend to the part of the internal area of the dust cover cover body and are arranged on the two sides of the bottom of the blanking port.
[0015] Further, the air extraction pipe is provided with a telescopic sleeve, the length of the air extraction pipe in the internal area of the dust cover cover body can be adjusted through the telescopic sleeve.
[0016] The top of the blanking port is provided with threads or a flange, the top threads or the flange are connected to the discharge port of the blanking pipe.
[0017] The bottom of the blanking port is of any shape, different forms of blanking ports can be selected according to the properties of the medicine, such as conical type, inclined conical type, etc.
[0018] Further, the connection position of the blanking port and the discharge port of the blanking pipe is not higher than the fixed position height of the dust cover cover body and the blanking pipe, or when the connection position of the blanking port and the discharge port of the blanking pipe needs to be higher than the fixed position height of the dust cover cover body and the blanking pipe, the dust cover cover body can be directly fixed on the top of the blanking port, that is, no matter in which way the blanking port is fixed, the bottom of the blanking port must be inside the dust cover cover body.
[0019] Further, the height ratio of the air extraction pipe in the dust cover housing to the height of the discharge port in the dust cover housing is 1:2-1:1.
[0020] Further, a fin with an air extraction hole is arranged at the bottom of the discharge pipe, and an auxiliary air extraction pipe is arranged in the air extraction hole, the top of the auxiliary air extraction pipe is connected with the air extraction device, and the bottom of the auxiliary air extraction pipe is connected with the air extraction hole.
[0021] When the powder medicine with small density is bagged, the dust cover housing completely covers the discharge port, which can prevent the medicine from flying and scattering on the bagging equipment or in the processing workshop during the bagging process, and the dust cover housing and the air extraction pipe can quickly collect the scattered medicine dust during the bagging process, reduce the phenomenon of dust scattering, effectively reduce the cleaning difficulty of the processing environment, and reduce the possibility of the workers accidentally inhaling the medicine dust.
[0022] During the bagging process, the discharge port is inserted into the packaging bag to convey the material, the packaging bag opening is in contact with the fin arranged on the discharge pipe, the air extraction hole of the fin is used for collecting the dust around the packaging bag in a small range, and the problem of dust flying is further reduced.
[0023] When the medicine to be bagged is a medicine with a relatively viscous property, a more suitable discharge port can be replaced as needed, such as a conical discharge port, which is more convenient and fast to replace, and can avoid the problem that the medicine with a relatively viscous property sticks to other medicine particles during the discharging process, causing the medicine to be contaminated, and the discharge port can be disassembled and cleaned after the medicine is bagged, facilitating cleaning and maintenance.
[0024] Further, a vibration plug is arranged on the side of the top of the dust cover housing, and the vibration plug can be inserted into the vibrator.
[0025] The vibration plug is inserted into the vibrator, so that the dust cover housing is vibrated, and the discharge port is vibrated, which is more conducive to the medicine with a relatively viscous property to flow out of the discharge port, reduces the accumulation of the medicine in the discharge port, and reduces the loss of the medicine.
[0026] Compared with the prior art, the dust cover housing of the utility model has the advantages that:
[0027] 1. The dust cover comprises a dust cover body and a discharge port, the dust cover body covers the discharge port to form a closed space, reduces dust overflow, and is provided with an air suction pipe extending to both ends of the discharge port, so as to absorb dust and discharge the collected dust, and realize centralized treatment of the dust.
[0028] 2. The dust cover body is designed to be narrow at the top and wide at the bottom, which helps to capture dust in the cover and reduce the spread of dust to the surrounding environment, especially at the dust generation site. The wide bottom design can provide more space to generate a buffer airflow during the air suction process of the air suction pipe, improve the dust capture efficiency, and the square or circular design of the bottom provides good structural stability to the overall dust cover body, which helps to withstand the pressure of the internal airflow and possible external impact.
[0029] 3. The discharge port is designed to be replaceable through a screw or a flange, which not only facilitates the selection and replacement of a more suitable discharge port according to different materials, but also facilitates replacement and cleaning, effectively preventing mutual contamination between different drugs during bagging.
[0030] 4. The air suction pipe is designed to be adjustable in height by stretching, which facilitates the adjustment of the position of the air suction pipe according to the position of the discharge port, and improves the collection effect of dust around the discharge port.
[0031] 5. The dust cover body is provided with a vibration plug, which can drive the dust cover body and the discharge port to vibrate to help dust fall off and be collected. In addition, the discharge pipe is also provided with a fin with an air suction hole, which can quickly collect dust from the bag opening and prevent dust from spreading widely. BRIEF DESCRIPTION OF DRAWINGS
[0032] Figure 1 It is a schematic diagram of the overall structure of the embodiment 1 of the present application.
[0033] Figure 2 It is a bottom view of the embodiment 1 of the present application.
[0034] Figure 3 It is a schematic diagram of the dust cover body structure in the embodiment 1 of the present application.
[0035] Figure 4 It is a slanting cone type discharge port in the embodiment 1 of the present application.
[0036] Figure 5 It is a top view of the dust cover body in the embodiment 2 of the present application.
[0037] Figure 6 It is a schematic diagram of the discharge pipe in the embodiment 1 of the present application.
[0038] 1-Dust collector cover, 2-Discharge port, 3-Exhaust pipe, 31-Right exhaust pipe, 32-Left exhaust pipe, 4-Discharge pipe, 41-Fin, 42-Exhaust hole, 5-Vibration plug. Detailed Implementation
[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0040] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.
[0041] Example 1
[0042] When pesticides are bagged after production, attention should be paid to the environmental pollution caused by pesticide dust during the bagging process, as well as the potential harm to workers if accidentally inhaled.
[0043] like Figure 1 , 2 As shown, this application discloses a dust removal hood for a discharge port. The outer part of the dust removal hood is a dust removal hood body 1. The outer part of the dust removal hood body 1 is a frustum-shaped structure that is narrow at the top and wide at the bottom. The dust removal hood body 1 has a certain thickness in its wall and is hollow inside. The bottom diameter of the dust removal hood body 1 is 20-30cm.
[0044] like Figure 4 As shown, the dust collector hood 1 has an opening at the top, and the discharge pipe 4 passes through the opening at the top of the dust collector hood 1. The dust collector hood 1 is fixed to the discharge pipe 4 using an internal spiral or flange structure. The bottom of the discharge pipe 4 is connected to a discharge port 2, which is a conical discharge port, or it can be as shown in the figure. Figure 5 The oblique cone-shaped feed port 2 shown can be selected and used according to the different properties of the drug and the current existing technology.
[0045] Regardless of whether it is the conical discharge port 2, the inclined conical discharge port 2, or other types of discharge port 2, it is movably connected to the discharge port at the bottom of the discharge pipe 4 through a spiral or flange structure set on the inner side of the top of the discharge port 2.
[0046] The dust removal hood 1 is also provided with an air extraction pipe 3. The top of the air extraction pipe 3 is connected to an air extraction device. The air extraction device is provided with an adjustment valve to control the airflow.
[0047] The bottom of the air exhaust pipe 3 extends into the dust cover body, and the overall structure is as shown in Figure 1 The air exhaust pipe 3 includes two air exhaust pipes 3, and the parts of the two air exhaust pipes 3 extending into the dust cover body 1 are respectively arranged on the two sides of the discharge port 2, which are a right air exhaust pipe 31 and a left air exhaust pipe 32. According to the height after the discharge port 2 is installed, the height relationship between the right air exhaust pipe 31 and the left air exhaust pipe 32 and the discharge port 2 is adjusted through the telescopic sleeve arranged on the air exhaust pipe 3, and the top view is as shown in Figure 3 , which is convenient for collecting dust generated during bagging.
[0048] Example 2
[0049] When the pesticide is bagged after production, in order to prevent the pesticide dust from polluting the environment during bagging and being inhaled by workers by accident, causing harm to the workers' bodies, the device in Example 1 can meet the requirements for processing the environmental pollution caused by bagging of most powdery pesticides. However, for pesticide materials with slightly higher viscosity, such as 58% mefenoxam · manganese zinc wettable powder, 20% morphanate · copper acetate wettable powder, 30% gelatinous fatty copper wettable powder, and 25% copper · morphanate wettable powder, although they are not prone to dust scattering, they are prone to be stacked and adhered on the discharge port 2, which not only affects the discharge amount of the discharge port 2, but also is not easy to clean and maintain.
[0050] As shown in Figure 6 , the dust cover body of the present application is further provided with a vibration plug 5. In use, the vibration plug 5 is connected with a vibrator, and the vibrator drives the entire dust cover body 1 to vibrate. Since the dust cover body 1 is connected with the discharge pipe 4, and the discharge pipe 4 is connected with the discharge port 2, when the dust cover body 1 vibrates, the discharge port 2 is also vibrated. This design facilitates the pesticide stacked on the discharge port 2 to smoothly enter the packaging bag, reducing the accumulation on the discharge port 2.
[0051] For such pesticides, the commonly used discharge port 2 is a conical discharge port as shown in Figure 1 , or a bevel conical discharge port 2 as shown in Figure 5 , wherein Figure 1The conical discharge port is convenient for conveying the medicine, and can effectively improve the discharging efficiency and reduce the accumulation of the medicine in the discharge port. However, for the conical discharge port 2 or the inclined conical discharge port 2, in order to control the discharging amount more accurately, the diameter of the discharge port 2 is 5-15 cm. Therefore, the medicine will inevitably accumulate in the discharge port 2. The thread or flange structure at the top of the discharge port 2 used for fixing the discharge pipe 4 can be loosened, the discharge port 2 can be disassembled and flushed, which is convenient for replacing, cleaning and maintaining the discharge port 2.
[0052] Embodiment 3
[0053] On the basis of the embodiments 1 and 2, the air extraction hole can be arranged on the discharge pipe 4, such as Figure 6 As shown in the structural diagram of the discharge pipe 4, two fins 41 are arranged at the bottom of the discharge pipe 4, the air extraction hole 42 is arranged on the fin 41, the auxiliary air extraction pipe is connected to the air extraction hole 42, the top of the auxiliary air extraction pipe is connected to the air extraction device, and the auxiliary adjusting valve is arranged on the air extraction device to adjust the air flow in the auxiliary air extraction pipe.
[0054] When the pesticide is bagged, the discharge port 2 is usually inserted into the packaging bag, the packaging bag opening is in contact with the fin 41 arranged at the bottom of the discharge pipe 4, the fine dust at the packaging bag opening can be extracted through the air extraction hole 42 on the fin 41, and if the dust is large, the pesticide dust overflowing from the packaging bag opening is dispersed into the dust removal cover 1, and the dust in the dust removal cover 1 is collected by the air extraction pipe 3 in the dust removal cover 1.
[0055] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should be considered as the protection scope of the present application.
Claims
1. A dust collector for a discharge port, comprising a discharge pipe (4), a dust collector body (1), a discharge port (2), and an air extraction device, characterized in that, The dust removal hood (1) is a hollow structure with an opening at the top. The feeding pipe (4) passes through the opening at the top of the dust removal hood (1) and is fixed to the dust removal hood (1). The feeding port (2) is connected to the discharge port at the bottom of the feeding pipe (4). The dust removal hood is also provided with an exhaust pipe (3). The top of the exhaust pipe (3) is connected to an external exhaust device. The bottom of the exhaust pipe (3) extends into the dust removal hood (1) and passes through the dust removal hood (1). The exhaust pipe (3) extends into the dust removal hood (1) to the vicinity of the feeding port (2).
2. The dust collector hood for the discharge port as described in claim 1, characterized in that, The dust collector cover (1) has a structure that is narrow at the top and wide at the bottom with a hollow interior. The top opening of the dust collector cover (1) is provided with a spiral structure or a flange structure.
3. The dust collector hood for the discharge port as described in claim 2, characterized in that, The dust collector cover (1) has a circular opening at the top with internal threads. The dust collector cover (1) gradually narrows from bottom to top, with a relatively wide lower part having a certain height and a square or circular bottom cross-section.
4. The dust collector hood for the discharge port as described in claim 1, characterized in that, The top of the discharge port (2) is provided with a spiral structure or flange structure that is connected to the bottom discharge port of the discharge pipe (4).
5. The dust collector cover for the discharge port as described in claim 1, characterized in that, There are two exhaust pipes (3), each of which extends into the dust removal hood and is respectively located on both sides of the bottom of the discharge port (2).
6. The dust collector hood for the discharge port as described in claim 5, characterized in that, The air extraction pipe (3) is equipped with a telescopic sleeve.
7. The dust collector cover for the discharge port as described in claim 1, characterized in that, The bottom of the feed inlet (2) is conical or oblique conical.
8. The dust collector hood for the discharge port as described in claim 1, characterized in that, The ratio of the height of the exhaust pipe (3) inside the dust collector hood (1) to the height of the discharge port (2) inside the dust collector hood (1) is 1:2-1:
1.
9. The dust collector hood for the discharge port as described in claim 1, characterized in that, The bottom of the feed pipe (4) is provided with fins (41), and the fins (41) are provided with air extraction holes (42). An auxiliary air extraction pipe is connected to the air extraction hole (42), and the top of the auxiliary air extraction pipe is connected to the air extraction device.
10. The dust collector hood for the discharge port as described in claim 1, characterized in that, A vibration plug (5) is also provided on the side of the top of the dust collector cover (1), and the vibration plug (5) is connected to a vibrator.